diff --git a/bootstrap.sh b/bootstrap.sh
new file mode 100755
index 000000000000..f09e5ece57b7
--- /dev/null
+++ b/bootstrap.sh
@@ -0,0 +1,18 @@
+#! /usr/bin/env bash
+
+export PKG_CONFIG_PATH="/usr/lib/pkgconfig/;/lib/pkgconfig/;/usr/share/pkgconfig/"
+
+# Delete existing buildfiles
+#---------------------------------------------------
+rm -rf build
+
+
+# Call meson
+#---------------------------------------------------
+meson setup build -Dprefix="/usr"
+
+
+# Build nix
+#---------------------------------------------------
+cd build
+ninja
\ No newline at end of file
diff --git a/dependencies/archive/meson.build b/dependencies/archive/meson.build
new file mode 100644
index 000000000000..efdfb26625b7
--- /dev/null
+++ b/dependencies/archive/meson.build
@@ -0,0 +1,7 @@
+# LibArchive Dependency File
+#============================================================================
+
+
+# Look for libarchive, a required dependency
+#--------------------------------------------------
+libarchive_dep = cpp.find_library('archive')
diff --git a/dependencies/aws-sdk-cpp/meson.build b/dependencies/aws-sdk-cpp/meson.build
new file mode 100644
index 000000000000..1a99321329df
--- /dev/null
+++ b/dependencies/aws-sdk-cpp/meson.build
@@ -0,0 +1,82 @@
+# aws s3 Dependency File
+#============================================================================
+
+#--------------------------------------------------
+# FIXME: aws-cpp-sdk should be an optional dependency Unfortunately, importing
+# it using the pkg-config option, which could be optional, fails because of
+# the cflags in the pkg-config. They contain "-fno-exceptions -std=c++11",
+# both of which break existing Nix code.
+#--------------------------------------------------
+
+# Look for aws-cpp-sdk
+#--------------------------------------------------
+aws_sdk_cpp_core_dep = declare_dependency(
+    dependencies : cpp.find_library('aws-cpp-sdk-core',
+        dirs : get_option('aws_sdk_cpp_lib_dir')),
+    include_directories : include_directories(
+        get_option('aws_sdk_cpp_include_dir')))
+
+aws_sdk_cpp_s3_dep = declare_dependency(
+    dependencies : cpp.find_library('aws-cpp-sdk-s3',
+        dirs : get_option('aws_sdk_cpp_lib_dir')),
+    include_directories : include_directories(
+        get_option('aws_sdk_cpp_include_dir')))
+
+aws_sdk_cpp_transfer_dep = declare_dependency(
+    dependencies : cpp.find_library('aws-cpp-sdk-transfer',
+        dirs : get_option('aws_sdk_cpp_lib_dir')),
+    include_directories : include_directories(
+        get_option('aws_sdk_cpp_include_dir')))
+
+
+aws_sdk_cpp_dep = [
+    aws_sdk_cpp_core_dep,
+    aws_sdk_cpp_s3_dep,
+    aws_sdk_cpp_transfer_dep,
+]
+
+# check if dependencies are found
+#--------------------------------------------------
+have_aws_sdk_cpp = true
+foreach dep : aws_sdk_cpp_dep
+    if not dep.found()
+        have_aws_sdk_cpp = false
+    endif
+endforeach
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'ENABLE_S3',
+    have_aws_sdk_cpp.to_int(),
+    description : 'Whether to enable S3 support via aws-sdk-cpp.')
+
+if have_aws_sdk_cpp
+    check_s3client = cpp.check_header(
+        'aws/s3/S3Client.h',
+        dependencies: aws_sdk_cpp_dep)
+
+    if check_s3client
+        config_h.set(
+            'HAVE_AWS_S3_S3CLIENT_H', 1,
+            description : 'Whether to enable S3 support via aws-sdk-cpp.')
+    endif
+
+    aws_version = meson.get_compiler('cpp').get_define(
+        'AWS_SDK_VERSION_STRING',
+        prefix : '#include <aws/core/VersionConfig.h>'
+        ).strip('"').split('.')
+
+    config_h.set(
+        'AWS_VERSION_MAJOR', aws_version[0],
+        description : 'Major version of aws-sdk-cpp.')
+
+    config_h.set(
+        'AWS_VERSION_MINOR', aws_version[1],
+        description : 'Minor version of aws-sdk-cpp.')
+    config_h.set(
+        'AWS_VERSION_PATCH', aws_version[2],
+        description : 'Patch version of aws-sdk-cpp.')
+
+endif
diff --git a/dependencies/bdw-gc/meson.build b/dependencies/bdw-gc/meson.build
new file mode 100644
index 000000000000..a9f32b0b8fff
--- /dev/null
+++ b/dependencies/bdw-gc/meson.build
@@ -0,0 +1,13 @@
+# Boehm-gc Dependency File
+#============================================================================
+
+
+# Look for Boehm garbage collector, an optional dependency
+#--------------------------------------------------
+gc_dep = dependency('bdw-gc', required: get_option('gc'))
+
+
+config_h.set(
+    'HAVE_BOEHMGC',
+    gc_dep.found().to_int(),
+    description : 'Whether to use the Boehm garbage collector.')
diff --git a/dependencies/boost/meson.build b/dependencies/boost/meson.build
new file mode 100644
index 000000000000..fd091aa22b7a
--- /dev/null
+++ b/dependencies/boost/meson.build
@@ -0,0 +1,22 @@
+# Boost Dependency File
+#============================================================================
+
+
+# Look for boost, a required dependency
+#----------------------------------------------------
+boost_mod_list = [
+  'system',
+  'context',
+  'thread']
+
+
+boost_dep = dependency(
+  'boost',
+  modules: boost_mod_list)
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_BOOST', 1,
+    description : 'Define if the Boost library is available.')
diff --git a/dependencies/brotli/meson.build b/dependencies/brotli/meson.build
new file mode 100644
index 000000000000..4dcf4af2f5a7
--- /dev/null
+++ b/dependencies/brotli/meson.build
@@ -0,0 +1,17 @@
+# LibBrotli Dependency File
+#============================================================================
+
+
+# Look for libbrotli{enc,dec}, a required dependency
+#--------------------------------------------------
+libbrotli_dep = declare_dependency(
+    dependencies: [
+        dependency('libbrotlienc'),
+        dependency('libbrotlidec')])
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_BROTLI', 1,
+    description : 'Define if the brotli library is available.')
diff --git a/dependencies/cpuid/meson.build b/dependencies/cpuid/meson.build
new file mode 100644
index 000000000000..218cab42c826
--- /dev/null
+++ b/dependencies/cpuid/meson.build
@@ -0,0 +1,13 @@
+# cpuid Dependency File
+#============================================================================
+
+
+# Look for cpuid, a required dependency
+#--------------------------------------------------
+libcpuid_dep = dependency('libcpuid')
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_LIBCPUID', 1,
+    description : 'Define if the CPUID is available.')
diff --git a/dependencies/curl/meson.build b/dependencies/curl/meson.build
new file mode 100644
index 000000000000..0759219d2e20
--- /dev/null
+++ b/dependencies/curl/meson.build
@@ -0,0 +1,14 @@
+# LibCurl Dependency File
+#============================================================================
+
+
+# Look for libcurl, a required dependency
+#--------------------------------------------------
+libcurl_dep = dependency('libcurl')
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_CURL', 1,
+    description : 'Define if the curl library is available.')
diff --git a/dependencies/dl/meson.build b/dependencies/dl/meson.build
new file mode 100644
index 000000000000..9e0954bb61d2
--- /dev/null
+++ b/dependencies/dl/meson.build
@@ -0,0 +1,7 @@
+# libdl Dependency File
+#============================================================================
+
+
+# Look for libdl, a required dependency
+#--------------------------------------------------
+libdl_dep = cpp.find_library('dl')
diff --git a/dependencies/editline/meson.build b/dependencies/editline/meson.build
new file mode 100644
index 000000000000..1c745969750e
--- /dev/null
+++ b/dependencies/editline/meson.build
@@ -0,0 +1,35 @@
+# Editline Dependency File
+#============================================================================
+
+
+# Look for editline, a required dependency
+#--------------------------------------------------
+# NOTE: The the libeditline.pc file was added only in libeditline >= 1.15.2, see 
+# https://github.com/troglobit/editline/commit/0a8f2ef4203c3a4a4726b9dd1336869cd0da8607,
+# but e.g. Ubuntu 16.04 has an older version, so we fall back to searching for
+# editline.h when the pkg-config approach fails.
+
+editline_dep = cpp.find_library('editline')
+
+if not (
+    cpp.has_header(
+        'editline.h',
+        dependencies : editline_dep))
+    error('Nix requires editline.h; however the header was not found.')
+endif
+
+
+if not (
+    cpp.has_function(
+        'read_history',
+        prefix : '#include <stdio.h>\n#include "editline.h"',
+        dependencies : editline_dep))
+    error('Nix requires libeditline; However, required functions do not work.' +\
+        'Maybe libeditline version is too old? >= 1.14 is required.')
+endif
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_EDITLINE_H', 1,
+    description : 'Define to 1 if you have the <editline.h> header file.')
diff --git a/dependencies/functions/meson.build b/dependencies/functions/meson.build
new file mode 100644
index 000000000000..323712038966
--- /dev/null
+++ b/dependencies/functions/meson.build
@@ -0,0 +1,40 @@
+# nix check functions
+#============================================================================
+
+
+# check for required functions
+#--------------------------------------------------
+required_functions = [
+    'lutimes',
+    'lchown',
+    'pipe2',
+    'posix_fallocate',
+    'setresuid',
+    'setreuid',
+    'statvfs',
+    'strsignal',
+    'sysconf']
+
+foreach f : required_functions
+    if cpp.has_function(f)
+        config_h.set(
+            'HAVE_@0@'.format(f.to_upper()), 1,
+            description : 'Define to 1 if you have the `@0@` function.'.format(f))
+    endif
+endforeach
+
+
+# compiler check for pubsetbuff
+#--------------------------------------------------
+pubsetbuff_c = '''
+#include <iostream>
+using namespace std;
+static char buf[1024];
+void func() {
+cerr.rdbuf()->pubsetbuf(buf, sizeof(buf));
+}'''
+
+check_pubsetbuff = meson.get_compiler('cpp').compiles(pubsetbuff_c, name : 'pubsetbuf')
+config_h.set(
+    'HAVE_PUBSETBUF', check_pubsetbuff.to_int(),
+    description : 'Define to 1 if you have the `pubsetbuf` function.')
diff --git a/dependencies/gtest/meson.build b/dependencies/gtest/meson.build
new file mode 100644
index 000000000000..45dc5c595f7f
--- /dev/null
+++ b/dependencies/gtest/meson.build
@@ -0,0 +1,24 @@
+# gtest Dependency File
+#========================================================================
+
+
+# check if gtest is already installed
+#---------------------------------------------------
+gtest_dep = dependency(
+    'gtest',
+    main : true,
+    required : false)
+
+gmock_dep = dependency(
+    'gmock',
+    main : true,
+    required : false)
+
+
+# If not, include the submodule
+#---------------------------------------------------
+if not gtest_dep.found()
+    gtest_proj = subproject('gtest')
+    gtest_dep = gtest_proj.get_variable('gtest_main_dep')
+    gmock_dep = gtest_proj.get_variable('gmock_dep')
+endif
diff --git a/dependencies/headers/meson.build b/dependencies/headers/meson.build
new file mode 100644
index 000000000000..9cfa730427f6
--- /dev/null
+++ b/dependencies/headers/meson.build
@@ -0,0 +1,45 @@
+# nix check headers
+#============================================================================
+
+# check for various headers
+#--------------------------------------------------
+project_header_deps = [
+    'sys/stat.h',
+    'sys/types.h',
+    'sys/dir.h',
+    'sys/ndir.h',
+    'dirent.h',
+    'locale.h',
+    'unistd.h',
+    'stdint.h',
+    'stdlib.h',
+    'strings.h',
+    'string.h',
+    'inttypes.h',
+    'memory.h']
+
+foreach f : project_header_deps
+  if cpp.has_header(f)
+    config_h.set(
+        'HAVE_@0@'.format(f.to_upper().underscorify()), 1,
+        description : 'Define to 1 if you have the `<@0@>` header file..'.format(f))
+  endif
+endforeach
+
+
+# TODO: this was carried over from the autotools buildsystem,
+# but i think it may no longer be needed.
+
+# compiler check for dirent.h
+#--------------------------------------------------
+dirent_h_prefix = '''
+  #include <sys/types.h>
+  #include <dirent.h>
+'''
+
+check_struct_dirent = meson.get_compiler('cpp').has_member(
+    'struct dirent', 'd_type', prefix: dirent_h_prefix)
+
+if ((config_h.get('HAVE_DIRENT_H') == 1) and (check_struct_dirent))
+  config_h.set('HAVE_STRUCT_DIRENT_D_TYPE', 1)
+endif
diff --git a/dependencies/lowdown/meson.build b/dependencies/lowdown/meson.build
new file mode 100644
index 000000000000..c18b185ff600
--- /dev/null
+++ b/dependencies/lowdown/meson.build
@@ -0,0 +1,11 @@
+# lowdown Dependency File
+#============================================================================
+
+
+# FIXME !! lowdown is seemingly a required dependency for building, but 
+# it isn't listed anywhere on documentation that i could find. dependency
+# object needs to be added to meson.
+
+# Look for lowdown, a required dependency
+#--------------------------------------------------
+liblowdown_dep = dependency('lowdown')
diff --git a/dependencies/meson.build b/dependencies/meson.build
new file mode 100644
index 000000000000..db1b4f89db15
--- /dev/null
+++ b/dependencies/meson.build
@@ -0,0 +1,46 @@
+# nix Dependencies
+#============================================================================
+
+
+# declare dependency types
+#---------------------------------------------------
+required_dep_dirs = [
+    'archive',
+    'boost',
+    'brotli',
+    'cpuid',
+    'curl',
+    'dl',
+    'editline',
+    'lowdown',
+    'nlohmann-json',
+    'openssl',
+    'pthread',
+    'rapidcheck',
+    'seccomp',
+    'sqlite']
+
+optional_dep_dirs = [
+    'aws-sdk-cpp',
+    'bdw-gc',
+    'gtest',
+    'sodium']
+
+check_dirs = [
+    'functions',
+    'headers']
+
+
+# Build dependencies
+#---------------------------------------------------
+foreach dir : required_dep_dirs
+    subdir(dir)
+endforeach
+
+foreach dir : optional_dep_dirs
+    subdir(dir)
+endforeach
+
+foreach dir : check_dirs
+    subdir(dir)
+endforeach
diff --git a/dependencies/nlohmann-json/meson.build b/dependencies/nlohmann-json/meson.build
new file mode 100644
index 000000000000..59c840d51e71
--- /dev/null
+++ b/dependencies/nlohmann-json/meson.build
@@ -0,0 +1,8 @@
+# Nlohmann JSON Dependency File
+#============================================================================
+
+
+# Look for nlohmann json, a required dependency
+#--------------------------------------------------
+nlohmann_dep = declare_dependency(
+    dependencies: dependency('nlohmann_json'))
diff --git a/dependencies/openssl/meson.build b/dependencies/openssl/meson.build
new file mode 100644
index 000000000000..128f0cb422c1
--- /dev/null
+++ b/dependencies/openssl/meson.build
@@ -0,0 +1,14 @@
+# OpenSSL Dependency File
+#============================================================================
+
+
+# Look for OpenSSL, a required dependency
+#--------------------------------------------------
+openssl_dep = dependency('openssl')
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_OPENSSL', 1,
+    description : 'Define if the OpenSSL library is available.')
diff --git a/dependencies/pthread/meson.build b/dependencies/pthread/meson.build
new file mode 100644
index 000000000000..7b4f7b6c849c
--- /dev/null
+++ b/dependencies/pthread/meson.build
@@ -0,0 +1,7 @@
+# pthread Dependency File
+#============================================================================
+
+
+# Look for pthread, a required dependency
+#--------------------------------------------------
+pthread_dep = dependency('threads')
diff --git a/dependencies/rapidcheck/meson.build b/dependencies/rapidcheck/meson.build
new file mode 100644
index 000000000000..ebfef5cb88be
--- /dev/null
+++ b/dependencies/rapidcheck/meson.build
@@ -0,0 +1,24 @@
+# rapidcheck Dependency File
+#========================================================================
+
+
+# First, attempt to find rapidcheck automatically:
+rapidcheck_dep = dependency('rapidcheck', required : false)
+
+# If not found, fallback to manual decleration
+if not rapidcheck_dep.found()
+
+    # fetch rapidcheck location
+    rapidcheck_dir = get_option('rapidcheck_dir')
+
+    # include rapidcheck directories
+    rapidcheck_inc = [
+        # include_directories(join_paths(rapidcheck_dir, 'extras', 'gtest', 'include')),
+        include_directories(get_option('rapidcheck_headers'))]
+
+    # declare rapidcheck dependency
+    rapidcheck_dep = declare_dependency(
+        dependencies : cpp.find_library('rapidcheck'),
+        include_directories : rapidcheck_inc)
+endif
+
diff --git a/dependencies/seccomp/meson.build b/dependencies/seccomp/meson.build
new file mode 100644
index 000000000000..e5dfcd4944fd
--- /dev/null
+++ b/dependencies/seccomp/meson.build
@@ -0,0 +1,22 @@
+# OS Specific checks 
+#============================================================================
+
+
+# Look for libsecppomp, required for Linux sandboxing
+#----------------------------------------------------
+if sys_name == 'linux'
+    libseccomp_dep = dependency(
+        'libseccomp',
+        version : '>= 2.3.1',
+        not_found_message : 'Nix requires libseccomp on a linux host system')
+else
+    libseccomp_dep = dependency('', required: false)
+endif
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_SECCOMP', 
+    libseccomp_dep.found().to_int(),
+    description : 'Define if the libseccomp is available.')
diff --git a/dependencies/sodium/meson.build b/dependencies/sodium/meson.build
new file mode 100644
index 000000000000..ee35b1a968b3
--- /dev/null
+++ b/dependencies/sodium/meson.build
@@ -0,0 +1,20 @@
+# LibSodium Dependency File
+#============================================================================
+
+# FIXME !! sodium is seemingly a required dependency for building, but 
+# it isn't listed anywhere on documentation that i could find. dependency
+# object needs to be added to meson.
+#
+# 0df69d96e02ce4c9e17bd33333c5d78313341dd3 made it required but docs were not
+# updated.
+
+# look for libsodium, a required dependency
+#--------------------------------------------------
+libsodium_dep = cpp.find_library('sodium')
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_SODIUM', 1,
+    description : 'Whether to use libsodium for cryptography.')
diff --git a/dependencies/sqlite/meson.build b/dependencies/sqlite/meson.build
new file mode 100644
index 000000000000..584f16c5a3b5
--- /dev/null
+++ b/dependencies/sqlite/meson.build
@@ -0,0 +1,16 @@
+# SQLite Dependency File
+#============================================================================
+
+
+# Look for sqlite3, a required dependency
+#--------------------------------------------------
+sqlite3_dep = declare_dependency(
+    dependencies: cpp.find_library('sqlite3'),
+    version : '>= 3.6.19')
+
+
+# set config variable(s)
+#--------------------------------------------------
+config_h.set(
+    'HAVE_SQLITE', 1,
+    description : 'Define if the SQLite3 is available.')
diff --git a/doc/manual/meson.build b/doc/manual/meson.build
new file mode 100644
index 000000000000..7421eae57997
--- /dev/null
+++ b/doc/manual/meson.build
@@ -0,0 +1,74 @@
+# Nix Manual
+#============================================================================
+
+
+doc_manual_inc = [include_directories('.')]
+doc_manual_dir =  meson.current_source_dir()
+
+if get_option('doc_generate').allowed()
+
+    # Provide a dummy environment for nix, so that it will not access files outside the macOS sandbox.
+    dummy_env = [
+        'HOME=/dummy',
+        'NIX_CONF_DIR=/dummy',
+        'NIX_SSL_CERT_FILE=/dummy/no-ca-bundle.crt',
+        'NIX_STATE_DIR=/dummy',
+    ]
+
+    foreach dir : ['src']
+        subdir(dir)
+    endforeach
+
+    # generate the web version of the manual
+    #---------------------------------------------------
+
+    custom_target(
+        'index.html',
+        input: src_markdown_files + [
+            summary_dot_md,
+            new_cli,
+            conf_file_dot_md,
+            builtins_dot_md,
+        ] + files(
+            'book.toml',
+            'custom.css',
+            join_paths('theme', 'highlight.js'),
+        ),
+        output: 'manual',
+        command: [
+            'mdbook',
+            'build',
+            meson.current_build_dir(),
+            '-d',
+            'manual',
+        ],
+        env: ['RUST_LOG=warn'],
+        install: true,
+        install_dir: docdir,
+        build_by_default: true,
+    )
+
+endif
+
+# targets
+#============================================================================
+
+# nix generators
+#---------------------------------------------------
+nix_generator_conf = configuration_data()
+nix_generator_conf.set('localstatedir', localstatedir)
+nix_generator_conf.set('coreutils', coreutils)
+
+
+
+# build
+#============================================================================
+
+
+
+# # install scripts
+# #---------------------------------------------------
+# install_data(
+#     scripts_data,
+#     install_mode : 'rwxr-xr-x',
+#     install_dir : profiledir)
diff --git a/doc/manual/misc/generate-manpage/meson.build b/doc/manual/misc/generate-manpage/meson.build
new file mode 100644
index 000000000000..94387ade0ef4
--- /dev/null
+++ b/doc/manual/misc/generate-manpage/meson.build
@@ -0,0 +1,12 @@
+# Nix Manual Generate-Manpage
+#============================================================================
+
+
+# configure generate-manpage.nix.gen.hh
+#---------------------------------------------------
+generate_manpage_nix = custom_target(
+  'generate-manpage.nix',
+  output : 'generate-manpage.nix.gen.hh',
+  input : 'generate-manpage.nix',
+  command : [bash, '-c', gen_rheader, 'sh', '@OUTPUT@'])
+  
\ No newline at end of file
diff --git a/doc/manual/misc/meson.build b/doc/manual/misc/meson.build
new file mode 100644
index 000000000000..7bb380cdc9d0
--- /dev/null
+++ b/doc/manual/misc/meson.build
@@ -0,0 +1,14 @@
+# Nix Manual Misc
+#============================================================================
+
+
+
+
+# configure utils.nix.gen.hh
+#---------------------------------------------------
+utils_nix = custom_target(
+  'utils.nix.gen.hh',
+  output : 'utils.nix.gen.hh',
+  input : 'utils.nix',
+  command : [bash, '-c', gen_rheader, 'sh', '@OUTPUT@'])
+  
\ No newline at end of file
diff --git a/doc/manual/misc/utils/meson.build b/doc/manual/misc/utils/meson.build
new file mode 100644
index 000000000000..1d6423576383
--- /dev/null
+++ b/doc/manual/misc/utils/meson.build
@@ -0,0 +1,11 @@
+# Nix Manual Misc
+#============================================================================
+
+# configure utils.nix.gen.hh
+#---------------------------------------------------
+utils_nix = custom_target(
+  'utils.nix.gen.hh',
+  output : 'utils.nix.gen.hh',
+  input : 'utils.nix',
+  command : [bash, '-c', gen_rheader, 'sh', '@OUTPUT@'])
+  
\ No newline at end of file
diff --git a/doc/manual/src/command-ref/meson.build b/doc/manual/src/command-ref/meson.build
new file mode 100644
index 000000000000..4ea499a5e309
--- /dev/null
+++ b/doc/manual/src/command-ref/meson.build
@@ -0,0 +1,160 @@
+doc_manual_src_command_ref_src =  meson.current_source_dir()
+
+# generate `doc/manual/src/command-ref/new-cli`
+#============================================================================
+
+nix_dot_json = custom_target(
+    'nix.json',
+    output: 'nix.json',
+    command: [
+        nix_bin,
+        '__dump-args',
+    ],
+    capture: true,
+    env: dummy_env,
+    install: true,
+    install_dir: mandir,
+    build_by_default: true,
+)
+
+new_cli = custom_target(
+    'new-cli',
+    input: [
+        nix_bin,
+        nix_dot_json,
+        join_paths(doc_manual_dir, 'generate-manpage.nix'),
+    ],
+    output: 'new-cli',
+    command: [
+        find_program(
+            'write-new-cli.sh',
+            dirs: [join_paths(scripts_dir, 'manual')],
+        ),
+        '@INPUT@',
+        '@OUTPUT@',
+    ],
+    env: dummy_env,
+    install: true,
+    install_dir: mandir,
+    build_by_default: true,
+)
+
+# generate `doc/manual/src/command-ref/conf-file.md`
+#============================================================================
+
+conf_file_dot_json = custom_target(
+    'conf-file.json',
+    output: 'conf-file.json',
+    command: [
+        nix_bin,
+        'show-config',
+        '--json',
+        '--experimental-features',
+        'nix-command',
+    ],
+    capture: true,
+    env: dummy_env,
+    install: true,
+    install_dir: mandir,
+    build_by_default: true,
+)
+
+conf_file_dot_md = custom_target(
+    'conf-file.md',
+    input: [
+        nix_bin,
+        conf_file_dot_json,
+        join_paths(doc_manual_dir, 'generate-options.nix')
+    ] + files(
+        'conf-file-prefix.md'
+    ),
+    output: 'conf-file.md',
+    command: [
+        find_program(
+            'write-conf-file.sh',
+            dirs: [join_paths(scripts_dir, 'manual')],
+        ),
+        '@INPUT@',
+    ],
+    capture: true,
+    install: true,
+    install_dir: mandir,
+    build_by_default: true,
+)
+
+# man pages
+#============================================================================
+
+prepend_title = generator(
+    find_program(
+        'prepend-title-to-manpage.sh',
+        dirs: [join_paths(scripts_dir, 'manual')],
+    ),
+    arguments: ['@BASENAME@', '@EXTRA_ARGS@', '@INPUT@'],
+    capture: true,
+    output: '@BASENAME@.tmp',
+)
+
+man_pages = {
+    '1': [
+        'nix-env',
+        'nix-build',
+        'nix-shell',
+        'nix-store',
+        'nix-instantiate',
+        'nix-collect-garbage',
+        'nix-prefetch-url',
+        'nix-channel',
+        'nix-hash',
+        'nix-copy-closure',
+    ],
+    '8': [
+        'nix-daemon',
+    ]
+}
+
+foreach section, pages : man_pages
+    foreach page : pages
+        man_dst = '@0@.@1@'.format(page, section)
+        man_src = files('@0@.md'.format(page))
+
+        custom_target(
+            man_dst,
+            input: prepend_title.process(man_src, extra_args: [section]),
+            output: man_dst,
+            command: [
+                'lowdown',
+                '-sT',
+                'man',
+                '-M section=@0@'.format(section),
+                '@INPUT@',
+                '-o',
+                '@OUTPUT@'
+            ],
+            install: true,
+            install_dir: mandir,
+            build_by_default: true,
+        )
+    endforeach
+endforeach
+
+custom_target(
+    'nix.conf.5',
+    input: prepend_title.process(
+        conf_file_dot_md,
+        extra_args: ['5']
+    ),
+    output: 'nix.conf.5',
+    command: [
+        'lowdown',
+        '-sT',
+        'man',
+        '-M section=5',
+        '@INPUT@',
+        '-o',
+        '@OUTPUT@',
+    ],
+    install: true,
+    install_dir: mandir,
+    build_by_default: true,
+)
diff --git a/doc/manual/src/language/meson.build b/doc/manual/src/language/meson.build
new file mode 100644
index 000000000000..8eaf159a5c96
--- /dev/null
+++ b/doc/manual/src/language/meson.build
@@ -0,0 +1,42 @@
+doc_manual_src_expressions_dir =  meson.current_source_dir()
+
+# Generate `doc/manual/src/expressions/builtins.md`
+#============================================================================
+
+builtins_dot_json = custom_target(
+    'builtins.json',
+    output: 'builtins.json',
+    command: [
+        nix_bin,
+        '__dump-builtins',
+    ],
+    capture: true,
+    env: dummy_env + ['NIX_PATH=nix/corepkgs=corepkgs'],
+    install: true,
+    install_dir: mandir,
+    build_by_default: true,
+)
+
+builtins_dot_md = custom_target(
+    'builtins.md',
+    input: [
+        nix_bin,
+        builtins_dot_json,
+        join_paths(doc_manual_dir, 'generate-builtins.nix')
+    ] + files(
+        'builtins-prefix.md',
+        'builtins-suffix.md',
+    ),
+    output: 'builtins.md',
+    command: [
+        find_program(
+            'write-builtins.sh',
+            dirs: [join_paths(scripts_dir, 'manual')],
+        ),
+        '@INPUT@',
+    ],
+    capture: true,
+    install: true,
+    install_dir: mandir,
+    build_by_default: true,
+)
diff --git a/doc/manual/src/meson.build b/doc/manual/src/meson.build
new file mode 100644
index 000000000000..18b7c5c64827
--- /dev/null
+++ b/doc/manual/src/meson.build
@@ -0,0 +1,34 @@
+doc_manual_src_dir =  meson.current_source_dir()
+
+nix_manual_dirs = [
+    # 'command-ref',
+    # 'expressions'
+]
+
+foreach dir : nix_manual_dirs
+    subdir(dir)
+endforeach
+
+# generate `doc/manual/src/SUMMARY.md`
+#============================================================================
+
+summary_dot_md = custom_target(
+    'SUMMARY.md',
+    input: [
+        join_paths(doc_manual_dir, 'src', 'SUMMARY.md.in'),
+        new_cli,
+    ],
+    output: 'SUMMARY.md',
+    command: [
+        find_program(
+            'write-summary.sh',
+            dirs: [join_paths(scripts_dir, 'manual')],
+        ),
+        '@INPUT@',
+    ],
+    capture: true,
+    install: true,
+    install_dir: mandir,
+    build_by_default: true,
+)
+
diff --git a/doc/meson.build b/doc/meson.build
new file mode 100644
index 000000000000..fe2b561173cb
--- /dev/null
+++ b/doc/meson.build
@@ -0,0 +1,11 @@
+# Nix Documentation
+#============================================================================
+
+doc_dirs = [
+    # 'internal-api',
+    'manual']
+
+
+foreach dir : doc_dirs
+    subdir(dir)
+endforeach
diff --git a/meson.build b/meson.build
new file mode 100644
index 000000000000..a5f5e3ec325e
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,241 @@
+# Nix project build file
+#============================================================================
+
+
+# init
+#============================================================================
+
+
+# init project
+#-------------------------------------------------
+project(
+    'nix',
+    'cpp',
+    meson_version : '>= 0.61.0',
+    default_options : [
+        'cpp_std=c++20',
+        'warning_level=3',
+        'optimization=3',
+        'debug=true'
+    ],
+    version : files('.version'),
+    license : 'MIT')
+
+
+# init compiler 
+#-------------------------------------------------
+cpp = meson.get_compiler('cpp')
+
+add_project_arguments(get_option('cxxflags'), language : 'cpp')
+add_project_link_arguments(get_option('ldflags'), language: 'cpp')
+
+if(get_option('optimization') == '0')
+  add_project_arguments('-U_FORTIFY_SOURCE',language:['cpp','c'])
+  message('Disabling FORTIFY_SOURCE as optimization is set to 0')
+endif
+
+
+# init configuration
+#-------------------------------------------------
+config_h = configuration_data()
+
+config_h.set(
+    'HAVE_CXX17', 1,
+    description : 'Define if the compiler supports basic C++17 syntax')
+
+package_name = meson.project_name()
+config_h.set_quoted(
+    'PACKAGE_NAME', package_name,
+    description : 'Define to the full name of this package.'
+    )
+
+package_tarname = meson.project_name()
+config_h.set_quoted(
+    'PACKAGE_TARNAME', package_tarname,
+    description : 'Define to the one symbol short name of this package.')
+
+package_version = meson.project_version()
+config_h.set_quoted(
+    'PACKAGE_VERSION', package_version,
+    description : 'Define to the version of this package.')
+
+package_string = '@0@ @1@'.format(package_name, package_version)
+config_h.set_quoted(
+    'PACKAGE_STRING', package_string,
+    description : 'Define to the full name and version of this package.')
+
+package_url = 'https://nixos.org/nix/'
+config_h.set_quoted(
+    'PACKAGE_URL', package_url,
+    description : 'Define to the home page for this package.')
+
+package_bug_url = 'https://github.com/nixos/nix/issues'
+config_h.set_quoted(
+    'PACKAGE_BUGREPORT', package_bug_url,
+    description : 'Define to the address where bug reports for this package should be sent.')
+
+
+# env
+#============================================================================
+
+
+# set install directories
+#-------------------------------------------------
+prefix = get_option('prefix')
+libdir = join_paths(prefix, get_option('libdir'))
+bindir = join_paths(prefix, get_option('bindir'))
+datadir = join_paths(prefix, get_option('datadir'))
+sysconfdir = join_paths(prefix, get_option('sysconfdir'))
+libexecdir = join_paths(prefix, get_option('libexecdir'))
+mandir = join_paths(prefix, get_option('mandir'))
+docdir = join_paths(prefix, get_option('docdir'))
+includedir = join_paths(prefix, get_option('includedir'))
+
+# set nix directories
+#-------------------------------------------------
+
+# State should be stored in /nix/var, unless the user overrides it explicitly.
+if get_option('normal_var')
+    localstatedir = '/nix/var'
+else
+    localstatedir =  join_paths(prefix, get_option('localstatedir'))
+endif
+
+nixstoredir = get_option('nixstoredir')
+
+profiledir =  join_paths(sysconfdir, 'profile.d')
+
+
+# Construct a Nix system name (like "i686-linux").
+#-------------------------------------------------
+machine_name = host_machine.cpu()
+sys_name = host_machine.system().to_lower()
+
+cpu_archs = ['x86_64', 'armv6', 'armv7', '']
+
+foreach cpu : cpu_archs 
+    if host_machine.cpu().contains(cpu)
+        if cpu.contains('armv')
+            machine_name = cpu + '1'
+        else
+            machine_name = cpu
+        endif
+        break
+    endif
+endforeach
+
+system= '"' + machine_name + '-' + sys_name + '"'
+message('system name: ' + system)
+config_h.set(
+    'SYSTEM', system,
+    description : 'platform identifier (`cpu-os`)')
+
+
+# required dependencies
+#============================================================================
+
+
+# look for required programs
+#--------------------------------------------------
+cat = find_program('cat', required : true)
+ln = find_program('ln', required : true)
+cp = find_program('cp', required : true)
+rm = find_program('rm', required : true)
+bash = find_program('bash', required : true)
+echo = find_program('echo', required : true)
+patch = find_program('patch', required : true)
+flex = find_program('flex', required : true)
+bison = find_program('bison', required : true)
+sed = find_program('sed', required : true)
+tar = find_program('tar', required : true)
+bzip2 = find_program('bzip2', required : true)
+gzip = find_program('gzip', required : true)
+xz = find_program('xz', required : true)
+dot = find_program('dot', required : false)
+lsof = find_program('lsof', required : false)
+tr = find_program('tr', required : true)
+tr = find_program('jq', required : true)
+coreutils = run_command('dirname', cat.full_path()).stdout().strip()
+
+# Import meson modules
+#--------------------------------------------------
+find_program('cmake', required : false)
+cmake = import('cmake')
+
+find_program('pkgconfig', required : false)
+pkgconfig = import('pkgconfig')
+
+# Check whether the store optimiser can optimise symlinks.
+#-------------------------------------------------
+gen_header = '''
+ln -s bla tmp_link
+if ln tmp_link tmp_link2 2> /dev/null; then
+    echo 1
+else
+    echo 0
+fi
+'''
+
+run_command('sh', '-c', 'rm tmp_link*') 
+can_link_symlink = run_command('sh', '-c', gen_header).stdout().strip()
+if can_link_symlink.to_int() == 1
+    run_command('sh', '-c', 'rm tmp_link*')
+endif 
+
+config_h.set(
+    'CAN_LINK_SYMLINK', can_link_symlink,
+    description : 'Whether link() works on symlinks')
+
+
+# OS Specific checks 
+#============================================================================
+
+
+# freebsd requires _GNU_SOURCE flag
+#---------------------------------------------------
+if sys_name == 'freebsd'
+    add_project_arguments('-D_GNU_SOURCE', language : 'cpp')
+    config_h.set('_GNU_SOURCE', 1)  
+endif
+
+
+# Builing for Darwin requires XMLlint
+#---------------------------------------------------
+if sys_name == 'Darwin'
+    xmllint = find_program('xmllint', required : true)
+endif
+
+
+# Solaris requires -lsocket -lnsl for network functions 
+#---------------------------------------------------
+if sys_name == 'sunos'
+    add_project_arguments('-lsocket', language : 'cpp')
+    add_project_arguments('-lnsl', language : 'cpp')
+endif
+
+
+
+
+# build
+#============================================================================
+
+
+proj_inc = [include_directories('.')]
+
+# build nix
+#---------------------------------------------------
+project_dirs = [
+    'dependencies',
+    'misc',
+    # 'doc',
+    'nix',
+
+    # 'scripts',
+    # 'misc',
+    'tests',
+]
+
+
+foreach dir : project_dirs
+    subdir(dir)
+endforeach
diff --git a/meson_options.txt b/meson_options.txt
new file mode 100644
index 000000000000..ed4b420ef2ae
--- /dev/null
+++ b/meson_options.txt
@@ -0,0 +1,147 @@
+# Nix project build options
+#============================================================================
+
+# dirs
+#============================================================================
+
+option(
+    'nixstoredir',
+    type : 'string',
+    value : '/nix/store',
+    description : 'path of the Nix store (defaults to /nix/store)')
+
+option(
+    'profiledir',
+    type : 'string',
+    value : '/etc/profile.d',
+    description : 'path of the Nix store (defaults to /nix/store)')
+
+option(
+    'docdir',
+    type : 'string',
+    value : 'share/doc',
+    description : 'Documentation location path')
+
+# option(
+#     'mandir',
+#     type : 'string',
+#     value : 'share/man',
+#     description : 'Man pages location path')
+
+
+# compiler args
+#============================================================================
+
+option(
+    'ldflags',
+    type : 'array',
+    value : [
+        '-L/usr/local/lib',
+        '-L/usr/lib',
+        '-L/lib'],
+    description : 'Link flags')
+
+
+option(
+    'cxxflags',
+    type : 'array',
+    value : [
+        '-Wno-pedantic',
+        '-Wno-non-virtual-dtor',
+        '-Wno-unused-parameter',
+        '-Wno-variadic-macros',
+        '-Wdeprecated-declarations',
+        '-Wno-missing-field-initializers',
+    ],
+    description : 'C build flags')
+
+
+# location of rapidcheck install
+#============================================================================
+option(
+    'rapidcheck_dir',
+    type : 'string',
+    value : '/usr/lib',
+    description : 'path to rapidcheck')
+
+option(
+    'rapidcheck_headers',
+    type : 'string',
+    value : '/usr/include/rapidcheck',
+    description : 'path to rapidcheck')
+
+
+# location of aws_sdk_cpp install
+#============================================================================
+# FIXME: this isnt correct. Meson MUST find these dependencies itself to
+# allow for potability. hardcoding for now.
+option(
+    'aws_sdk_cpp_include_dir',
+    type : 'string',
+    value : '/usr/lib',
+    description : 'path to aws_sdk_cpp includes')
+option(
+    'aws_sdk_cpp_lib_dir',
+    type : 'string',
+    value : '/usr/lib',
+    description : 'path to aws_sdk_cpp libs')
+
+
+# optional dependencies
+#============================================================================
+
+option(
+    'gc',
+    type : 'feature',
+    value : 'auto',
+    description : 'Build nix with Boehm garbage collector')
+
+option(
+    's3',
+    type : 'feature',
+    value : 'auto',
+    description : 'Build nix with s3')
+
+option(
+    'coreutils_bin',
+    type : 'string',
+    description : 'path of cat, mkdir, etc.')
+
+option(
+    'nix_perl',
+    type : 'feature',
+    value : 'enabled',
+    description : 'Build nix with nix-perl')
+
+# misc
+#============================================================================
+option(
+    'doc_generate',
+    type : 'feature',
+    value : 'enabled',
+    description : 'Build the documentation and manpages')
+
+option(
+    'build_shared_libs',
+    type : 'boolean',
+    value : 'false',
+    description : 'Build nix with shared libs')
+
+option(
+    'sandbox_shell',
+    type : 'string',
+    value : '/usr/bin/busybox',
+    description : 'path of a statically-linked shell to use as /bin/sh in sandboxes')
+
+option(
+    'normal_var',
+    type : 'boolean',
+    value : 'true',
+    description : 'Whether to use `/nix/var` or the user-overridable `localstatedir`.')
+
+option(
+    'PRECOMPILE_HEADERS',
+    type : 'boolean',
+    value : 'true',
+    description : 'Whether to use precompiled headers.')
+
diff --git a/misc/config_h/meson.build b/misc/config_h/meson.build
new file mode 100644
index 000000000000..2fa51bd5b4dc
--- /dev/null
+++ b/misc/config_h/meson.build
@@ -0,0 +1,27 @@
+# include.config_h build file
+#========================================================================
+
+# generate headers
+#========================================================================
+
+# build config.h
+#---------------------------------------------------
+config_h = configure_file(
+    #input : 'config.h.in',
+    output : 'config.h',
+    configuration : config_h)
+
+add_project_arguments('-include', 'config.h', language : 'cpp')
+
+
+# install headers
+#---------------------------------------------------
+install_headers(
+    config_h,
+    install_dir : join_paths(includedir, 'nix'))
+
+
+# include directories 
+#========================================================================
+
+proj_inc += include_directories('.')
diff --git a/misc/macros/meson.build b/misc/macros/meson.build
new file mode 100644
index 000000000000..fc98a71a8e1b
--- /dev/null
+++ b/misc/macros/meson.build
@@ -0,0 +1,11 @@
+# include.macros file
+#========================================================================
+
+
+# macro used to generate R headers
+#---------------------------------------------------
+gen_rheader = '''
+  echo 'R"foo(' >> "$1"
+  cat @INPUT@ >> "$1"
+  echo ')foo"' >> "$1"
+'''
diff --git a/misc/meson.build b/misc/meson.build
new file mode 100644
index 000000000000..4549ac58dabd
--- /dev/null
+++ b/misc/meson.build
@@ -0,0 +1,19 @@
+# Nix Misc
+#========================================================================
+
+include_dir = meson.current_source_dir()
+proj_inc += include_directories('.')
+
+# include directories
+#========================================================================
+
+
+include_dirs = [
+    'config_h',
+    'precompiled_headers_h',
+    'macros']
+
+
+foreach dir : include_dirs
+    subdir(dir)
+endforeach
diff --git a/misc/precompiled_headers_h/meson.build b/misc/precompiled_headers_h/meson.build
new file mode 100644
index 000000000000..25601c776bf5
--- /dev/null
+++ b/misc/precompiled_headers_h/meson.build
@@ -0,0 +1,23 @@
+# Nix Misc.precompiled_headers_h
+#========================================================================
+
+# generate headers
+#========================================================================
+
+# build config.h
+#---------------------------------------------------
+
+# add_project_arguments('-include', 'precompiled-headers.h', language : 'cpp')
+
+
+# install headers
+#---------------------------------------------------
+# install_headers(
+#     config_h,
+#     install_dir : join_paths(includedir, 'nix'))
+
+
+# include directories 
+#========================================================================
+
+proj_inc += include_directories('.')
diff --git a/nix/libcmd/meson.build b/nix/libcmd/meson.build
new file mode 100644
index 000000000000..7edf76f7c07c
--- /dev/null
+++ b/nix/libcmd/meson.build
@@ -0,0 +1 @@
+subdir('src')
\ No newline at end of file
diff --git a/nix/libcmd/src/meson.build b/nix/libcmd/src/meson.build
new file mode 100644
index 000000000000..7f169d77307e
--- /dev/null
+++ b/nix/libcmd/src/meson.build
@@ -0,0 +1,91 @@
+# libcmd build file
+#============================================================================
+
+libcmd_inc = [include_directories('.')]
+
+# dependencies
+#============================================================================
+
+libcmd_dep_list = [
+    gc_dep,
+    editline_dep,
+    libsodium_dep,
+    liblowdown_dep,
+    nlohmann_dep,
+    openssl_dep,
+    pthread_dep,
+    
+    libutil_dep,
+    libmain_dep,
+    libstore_dep,
+    libexpr_dep,
+    libfetchers_dep]
+
+
+# src files
+#============================================================================
+
+libcmd_src = files(
+    'built-path.cc',
+    'command.cc',
+    'command-installable-value.cc',
+    'common-eval-args.cc',
+    'editor-for.cc',
+    'installable-attr-path.cc',
+    'installable-derived-path.cc',
+    'installable-flake.cc',
+    'installables.cc',
+    'installable-value.cc',
+    'legacy.cc',
+    'markdown.cc',
+    'repl.cc')
+
+libcmd_headers = files(
+    'built-path.hh',
+    'command.hh',
+    'command-installable-value.hh',
+    'common-eval-args.hh',
+    'editor-for.hh',
+    'installable-attr-path.hh',
+    'installable-derived-path.hh',
+    'installable-flake.hh',
+    'installables.hh',
+    'installable-value.hh',
+    'legacy.hh',
+    'markdown.hh',
+    'repl.hh')
+
+# set build args
+#---------------------------------------------------
+nix_cxx_args = []
+libcmd_cxx_args = []
+
+nix_link_args = []
+libcmd_link_args = []
+
+# build library
+#---------------------------------------------------
+libcmd_lib = library(
+    'nixcmd',
+    sources : libcmd_src,
+    install : true,
+    install_mode : 'rwxr-xr-x',
+    install_dir : libdir,
+    include_directories : [
+        libcmd_inc,
+        proj_inc],
+    cpp_args : libcmd_cxx_args,
+    link_args : libcmd_link_args,
+    dependencies : libcmd_dep_list)
+
+# install headers
+#---------------------------------------------------
+install_headers(
+    libcmd_headers,
+    install_dir : join_paths(includedir, 'nix'))
+
+# declare dependency
+#---------------------------------------------------
+libcmd_dep = declare_dependency(
+    link_with : libcmd_lib,
+    include_directories : libcmd_inc)
diff --git a/nix/libexpr/meson.build b/nix/libexpr/meson.build
new file mode 100644
index 000000000000..7edf76f7c07c
--- /dev/null
+++ b/nix/libexpr/meson.build
@@ -0,0 +1 @@
+subdir('src')
\ No newline at end of file
diff --git a/nix/libexpr/src/flake/meson.build b/nix/libexpr/src/flake/meson.build
new file mode 100644
index 000000000000..9563c36c7a47
--- /dev/null
+++ b/nix/libexpr/src/flake/meson.build
@@ -0,0 +1,28 @@
+# Nix lib expr build file
+#============================================================================
+
+
+# src files
+#============================================================================
+
+libexpr_inc += include_directories('.')
+
+libexpr_src += files(
+    'config.cc',
+    'flake.cc',
+    'flakeref.cc',
+    'lockfile.cc')
+
+libexpr_headers += files(
+    'flake.hh',
+    'flakeref.hh',
+    'lockfile.hh')
+
+# targets
+#============================================================================
+
+libexpr_src += custom_target(
+  'call-flake.nix.gen.hh',
+  output : 'call-flake.nix.gen.hh',
+  input : 'call-flake.nix',
+  command : [bash, '-c', gen_rheader, 'sh', '@OUTPUT@'])
diff --git a/nix/libexpr/src/meson.build b/nix/libexpr/src/meson.build
new file mode 100644
index 000000000000..1a9f4323066d
--- /dev/null
+++ b/nix/libexpr/src/meson.build
@@ -0,0 +1,171 @@
+# Nix lib expr build file
+#============================================================================
+
+
+# dependencies
+#============================================================================
+
+libexpr_dep_list = [
+    boost_dep,
+    libdl_dep,
+    libsodium_dep,
+    gc_dep,
+    toml11_dep,
+    
+    libutil_dep,
+    libstore_dep,
+    libmain_dep,
+    libfetchers_dep]
+
+
+# src files
+#============================================================================
+
+libexpr_src = files(
+    'attr-path.cc',
+    'attr-set.cc',
+    'eval-cache.cc',
+    'eval.cc',
+    'eval-settings.cc',
+    'function-trace.cc',
+    'get-drvs.cc',
+    'json-to-value.cc',
+    'nixexpr.cc',
+    'paths.cc',
+    'primops.cc',
+    'print.cc',
+    'search-path.cc',
+    'value-to-json.cc',
+    'value-to-xml.cc')
+
+libexpr_headers = files(
+    'attr-path.hh',
+    'attr-set.hh',
+    'eval-cache.hh',
+    'eval.hh',
+    'eval-inline.hh',
+    'eval-settings.hh',
+    'function-trace.hh',
+    'get-drvs.hh',
+    'json-to-value.hh',
+    'nixexpr.hh',
+    'primops.hh',
+    'print.hh',
+    'search-path.hh',
+    'symbol-table.hh',
+    'value.hh',
+    'value-to-json.hh',
+    'value-to-xml.hh')
+
+
+# include directories
+#========================================================================
+
+# include current dir
+#---------------------------------------------------
+libexpr_inc = [include_directories('.')]
+
+# add subdirectories
+#---------------------------------------------------
+libexpr_dirs = [
+  'flake',
+  'primops',
+  'value']
+
+foreach dir : libexpr_dirs
+    subdir(dir)
+endforeach
+
+
+# targets
+#============================================================================
+
+libexpr_src += custom_target(
+    'parser_tab.[cchh]',
+    output : [
+        'parser-tab.cc',
+        'parser-tab.hh'],
+    input : 'parser.y',
+    command : [
+        bison,
+        '-v',
+        '--output=@OUTPUT0@',
+        '--defines=@OUTPUT1@',
+        '@INPUT@'])
+
+libexpr_src += custom_target(
+    'lexer_tab.[cchh]',
+    output : ['lexer-tab.cc', 'lexer-tab.hh'],
+    input : 'lexer.l',
+    command : [
+        flex,
+        '--outfile=@OUTPUT0@',
+        '--header-file=@OUTPUT1@',
+        '@INPUT@'])
+
+libexpr_src += custom_target(
+  'imported-drv-to-derivation.nix.gen.hh',
+  output : 'imported-drv-to-derivation.nix.gen.hh',
+  input : 'imported-drv-to-derivation.nix',
+  command : [bash, '-c', gen_rheader, 'sh', '@OUTPUT@'])
+
+
+libexpr_src += custom_target(
+  'fetchurl.nix.gen.hh',
+  output : 'fetchurl.nix.gen.hh',
+  input : 'fetchurl.nix',
+  command : [bash, '-c', gen_rheader, 'sh', '@OUTPUT@'])
+
+
+# build
+#============================================================================
+
+# set build args
+#---------------------------------------------------
+libexpr_cxx_args = []
+
+libexpr_link_args = []
+
+
+# build library
+#---------------------------------------------------
+libexpr_lib = library(
+    'nixexpr',
+    sources : libexpr_src,
+    install : true,
+    install_mode : 'rwxr-xr-x',
+    install_dir : libdir,
+    include_directories : [
+        libexpr_inc,
+        proj_inc,
+    ],
+    cpp_args : libexpr_cxx_args,
+    link_args : libexpr_link_args,
+    dependencies : libexpr_dep_list)
+
+# install headers
+#---------------------------------------------------
+install_headers(
+    libexpr_headers,
+    install_dir : join_paths(includedir, 'nix'))
+
+
+# generate pkg-config
+#---------------------------------------------------
+# libexpr_config = pkgconfig.generate(
+#     libexpr_lib,
+#     libraries : [
+#         libstore_lib],
+#     version : meson.project_version(),
+#     name : 'Nix',
+#     subdirs : ['nix/'],
+#     filebase : 'nix-expr',
+#     extra_cflags : '-std=c++17',
+#     description : 'Nix Package Manager.')
+
+
+# declare dependency
+#---------------------------------------------------
+libexpr_dep = declare_dependency(
+    link_with : libexpr_lib,
+    include_directories : include_directories('.'))
diff --git a/nix/libexpr/src/primops/meson.build b/nix/libexpr/src/primops/meson.build
new file mode 100644
index 000000000000..25f805d6162d
--- /dev/null
+++ b/nix/libexpr/src/primops/meson.build
@@ -0,0 +1,24 @@
+# Nix lib expr build file
+#============================================================================
+
+
+# src files
+#============================================================================
+
+libexpr_inc += include_directories('.')
+
+libexpr_src += files(
+    'context.cc',
+    'fetchClosure.cc',
+    'fetchMercurial.cc',
+    'fetchTree.cc',
+    'fromTOML.cc')
+
+# targets
+#============================================================================
+
+libexpr_src += custom_target(
+  'derivation.nix.gen.hh',
+  output : 'derivation.nix.gen.hh',
+  input : 'derivation.nix',
+  command : [bash, '-c', gen_rheader, 'sh', '@OUTPUT@'])
diff --git a/nix/libexpr/src/value/meson.build b/nix/libexpr/src/value/meson.build
new file mode 100644
index 000000000000..c954c0a97e8e
--- /dev/null
+++ b/nix/libexpr/src/value/meson.build
@@ -0,0 +1,14 @@
+# libexpr/value build file
+#============================================================================
+
+
+# src files
+#============================================================================
+
+libexpr_inc += include_directories('.')
+
+libexpr_src += files(
+    'context.cc')
+
+libexpr_headers += files(
+    'context.cc')
\ No newline at end of file
diff --git a/nix/libfetchers/meson.build b/nix/libfetchers/meson.build
new file mode 100644
index 000000000000..7edf76f7c07c
--- /dev/null
+++ b/nix/libfetchers/meson.build
@@ -0,0 +1 @@
+subdir('src')
\ No newline at end of file
diff --git a/nix/libfetchers/src/meson.build b/nix/libfetchers/src/meson.build
new file mode 100644
index 000000000000..7560ddb4099e
--- /dev/null
+++ b/nix/libfetchers/src/meson.build
@@ -0,0 +1,104 @@
+# libfetchers build file
+#============================================================================
+
+
+# dependencies
+#============================================================================
+
+libfetchers_dep_list = [
+    libcurl_dep,
+    libdl_dep,
+    libseccomp_dep,
+    libsodium_dep,
+    #nlohmann_dep,
+    pthread_dep,
+    sqlite3_dep,
+
+    libutil_dep,
+    libstore_dep]
+
+
+# src files
+#============================================================================
+
+libfetchers_src = files(
+    'attrs.cc',
+    'cache.cc',
+    'fetchers.cc',
+    'fetch-settings.cc',
+    'git.cc',
+    'github.cc',
+    'indirect.cc',
+    'mercurial.cc',
+    'path.cc',
+    'registry.cc',
+    'tarball.cc',)
+
+libfetchers_headers = files(
+    'attrs.hh',
+    'cache.hh',
+    'fetchers.hh',
+    'fetch-settings.hh',
+    'registry.hh')
+
+
+# include directories
+#========================================================================
+
+# include current dir
+#---------------------------------------------------
+libfetchers_inc = [include_directories('.')]
+
+
+# build
+#============================================================================
+
+# set build args
+#---------------------------------------------------
+libfetchers_cxx_args = []
+
+libfetchers_link_args = []
+
+
+# build library
+#---------------------------------------------------
+libfetchers_lib = library(
+    'nixfetchers',
+    sources : libfetchers_src,
+    install : true,
+    install_mode : 'rwxr-xr-x',
+    install_dir : libdir,
+    include_directories : [
+        libfetchers_inc,
+        proj_inc],
+    cpp_args : libfetchers_cxx_args,
+    link_args : libfetchers_link_args,
+    dependencies : libfetchers_dep_list)
+
+
+# install headers
+#---------------------------------------------------
+install_headers(
+    libfetchers_headers,
+    install_dir : join_paths(includedir, 'nix'))
+
+
+# generate pkg-config
+#---------------------------------------------------
+libfetchers_config = pkgconfig.generate(
+    libfetchers_lib,
+    libraries : [
+        libfetchers_lib],
+    version : meson.project_version(),
+    name : 'Nix',
+    subdirs : ['nix/'],
+    filebase : 'nix-store',
+    extra_cflags : '-std=c++17',
+    description : 'Nix Package Manager.')
+
+
+# declare dependency
+#---------------------------------------------------
+libfetchers_dep = declare_dependency(
+    link_with : libfetchers_lib,
+    include_directories : libfetchers_inc)
diff --git a/nix/libmain/meson.build b/nix/libmain/meson.build
new file mode 100644
index 000000000000..e7c3258e77b3
--- /dev/null
+++ b/nix/libmain/meson.build
@@ -0,0 +1,12 @@
+subdir('src')
+
+
+
+# libmain_config = pkgconfig.generate(
+#     libmain_lib,
+#     version : meson.project_version(),
+#     name : 'Nix',
+#     subdirs : ['nix/'],
+#     filebase : 'nix-main',
+#     extra_cflags : '-std=c++17',
+#     description : 'Nix Package Manager.')
diff --git a/nix/libmain/src/meson.build b/nix/libmain/src/meson.build
new file mode 100644
index 000000000000..6cce8db32e71
--- /dev/null
+++ b/nix/libmain/src/meson.build
@@ -0,0 +1,77 @@
+# libmain build file
+#============================================================================
+
+libmain_inc = [include_directories('.')]
+
+
+# dependencies
+#============================================================================
+
+libmain_dep_list = [
+    pthread_dep,
+    openssl_dep,
+    libsodium_dep,
+
+    libutil_dep,
+    libstore_dep]
+
+
+# src files
+#============================================================================
+
+libmain_src = files(
+    'common-args.cc',
+    'loggers.cc',
+    'progress-bar.cc',
+    'shared.cc',
+    'stack.cc')
+
+
+libmain_headers = files(
+    'common-args.hh',
+    'loggers.hh',
+    'progress-bar.hh',
+    'shared.hh')
+
+
+# targets
+#============================================================================
+
+
+# build
+#============================================================================
+
+# set build args
+#---------------------------------------------------
+libmain_cxx_args = []
+
+libmain_link_args = []
+
+
+# build library
+#---------------------------------------------------
+libmain_lib = library(
+    'nixmain',
+    sources : libmain_src,
+    install : true,
+    install_mode : 'rwxr-xr-x',
+    install_dir : libdir,
+    include_directories : [
+        libmain_inc,
+        proj_inc],
+    cpp_args : libmain_cxx_args,
+    link_args : libmain_link_args,
+    dependencies : libmain_dep_list)
+
+
+# install headers
+#---------------------------------------------------
+install_headers(
+    libmain_headers,
+    install_dir : join_paths(includedir, 'nix'))
+
+# declare dependency
+#---------------------------------------------------
+libmain_dep = declare_dependency(
+    link_with : libmain_lib,
+    include_directories : libmain_inc)
diff --git a/nix/libstore/meson.build b/nix/libstore/meson.build
new file mode 100644
index 000000000000..b50a7eb92b79
--- /dev/null
+++ b/nix/libstore/meson.build
@@ -0,0 +1,13 @@
+subdir('src')
+
+# libstore_config = pkgconfig.generate(
+#     libstore_lib,
+#     libraries : [
+#         libutil_lib],
+#     version : meson.project_version(),
+#     name : 'Nix',
+#     subdirs : ['nix/'],
+#     filebase : 'nix-store',
+#     extra_cflags : '-std=c++17',
+#     description : 'Nix Package Manager.')
+
diff --git a/nix/libstore/src/build/meson.build b/nix/libstore/src/build/meson.build
new file mode 100644
index 000000000000..b193f65143cc
--- /dev/null
+++ b/nix/libstore/src/build/meson.build
@@ -0,0 +1,38 @@
+# libstore.build build file
+#============================================================================
+
+libstore_inc += include_directories('.')
+
+
+# src files
+#============================================================================
+
+libstore_src += files(
+    'child.cc',
+    'derivation-goal.cc',
+    'drv-output-substitution-goal.cc',
+    'entry-points.cc',
+    'goal.cc',
+    'hook-instance.cc',
+    'local-derivation-goal.cc',
+    'personality.cc',
+    'substitution-goal.cc',
+    'worker.cc')
+
+
+
+libstore_headers += files(
+    'child.hh',
+    'derivation-goal.hh',
+    'drv-output-substitution-goal.hh',
+    'goal.hh',
+    'hook-instance.hh',
+    'local-derivation-goal.hh',
+    'personality.hh',
+    'substitution-goal.hh',
+    'worker.hh')
+
+libstore_data += files(
+    'sandbox-defaults.sb',
+    'sandbox-minimal.sb',
+    'sandbox-network.sb')
diff --git a/nix/libstore/src/builtins/meson.build b/nix/libstore/src/builtins/meson.build
new file mode 100644
index 000000000000..d6e68fee0ff2
--- /dev/null
+++ b/nix/libstore/src/builtins/meson.build
@@ -0,0 +1,17 @@
+# libstore.builtins build file
+#============================================================================
+
+libstore_inc += include_directories('.')
+
+
+# src files
+#============================================================================
+
+libstore_src += files(
+    'buildenv.cc',
+    'fetchurl.cc',
+    'unpack-channel.cc')
+
+
+libstore_headers += files(
+    'buildenv.hh')
diff --git a/nix/libstore/src/meson.build b/nix/libstore/src/meson.build
new file mode 100644
index 000000000000..a6e2e84b25af
--- /dev/null
+++ b/nix/libstore/src/meson.build
@@ -0,0 +1,241 @@
+# libstore build file
+#============================================================================
+
+
+# dependencies
+#============================================================================
+
+libstore_dep_list = [
+    aws_sdk_cpp_dep,
+    libcurl_dep,
+    libdl_dep,
+    libseccomp_dep,
+    libsodium_dep,
+    nlohmann_dep,
+    pthread_dep,
+    sqlite3_dep,
+
+
+    libutil_dep]
+
+
+# src files
+#============================================================================
+
+libstore_src = files(
+    'binary-cache-store.cc',
+    'build-result.cc',
+    'common-protocol.cc',
+    'content-address.cc',
+    'daemon.cc',
+    'derivations.cc',
+    'derived-path.cc',
+    'derived-path-map.cc',
+    'downstream-placeholder.cc',
+    'dummy-store.cc',
+    'export-import.cc',
+    'filetransfer.cc',
+    'gc.cc',
+    'globals.cc',
+    'http-binary-cache-store.cc',
+    'keys.cc',
+    'legacy-ssh-store.cc',
+    'local-binary-cache-store.cc',
+    'local-fs-store.cc',
+    'local-store.cc',
+    'lock.cc',
+    'log-store.cc',
+    'machines.cc',
+    'make-content-addressed.cc',
+    'misc.cc',
+    'names.cc',
+    'nar-accessor.cc',
+    'nar-info.cc',
+    'nar-info-disk-cache.cc',
+    'optimise-store.cc',
+    'outputs-spec.cc',
+    'parsed-derivations.cc',
+    'path.cc',
+    'path-info.cc',
+    'pathlocks.cc',
+    'path-references.cc',
+    'path-with-outputs.cc',
+    'posix-fs-canonicalise.cc',
+    'profiles.cc',
+    'realisation.cc',
+    'remote-fs-accessor.cc',
+    'remote-store.cc',
+    's3-binary-cache-store.cc',
+    'serve-protocol.cc',
+    'serve-protocol-impl.cc',
+    'sqlite.cc',
+    'ssh.cc',
+    'ssh-store.cc',
+    'store-api.cc',
+    'uds-remote-store.cc',
+    'worker-protocol.cc')
+
+
+libstore_headers = files(
+    'binary-cache-store.hh',
+    'build-result.hh',
+    'builtins.hh',
+    'common-protocol.hh',
+    'common-protocol-impl.hh',
+    'content-address.hh',
+    'daemon.hh',
+    'derivations.hh',
+    'derived-path.hh',
+    'derived-path-map.hh',
+    'downstream-placeholder.hh',
+    'filetransfer.hh',
+    'gc-store.hh',
+    'globals.hh',
+    'indirect-root-store.hh',
+    'keys.hh',
+    'legacy-ssh-store.hh',
+    'length-prefixed-protocol-helper.hh',
+    'local-fs-store.hh',
+    'local-store.hh',
+    'lock.hh',
+    'log-store.hh',
+    'machines.hh',
+    'make-content-addressed.hh',
+    'names.hh',
+    'nar-accessor.hh',
+    'nar-info-disk-cache.hh',
+    'nar-info.hh',
+    'outputs-spec.hh',
+    'parsed-derivations.hh',
+    'path.hh',
+    'path-info.hh',
+    'pathlocks.hh',
+    'path-references.hh',
+    'path-regex.hh',
+    'path-with-outputs.hh',
+    'posix-fs-canonicalise.hh',
+    'profiles.hh',
+    'realisation.hh',
+    'remote-fs-accessor.hh',
+    'remote-store-connection.hh',
+    'remote-store.hh',
+    's3-binary-cache-store.hh',
+    's3.hh',
+    'serve-protocol.hh',
+    'serve-protocol-impl.hh',
+    'sqlite.hh',
+    'ssh.hh',
+    'ssh-store-config.hh',
+    'store-api.hh',
+    'store-cast.hh',
+    'store-dir-config.hh',
+    'uds-remote-store.hh',
+    'worker-protocol.hh',
+    'worker-protocol-impl.hh')
+
+libstore_data = files()
+
+
+# include directories
+#========================================================================
+
+# include current dir
+#---------------------------------------------------
+libstore_inc = [include_directories('.')]
+
+libstore_dirs = [
+    'build',
+    'builtins']
+
+foreach dir : libstore_dirs
+    subdir(dir)
+endforeach
+
+
+# targets
+#============================================================================
+
+libstore_src += custom_target(
+  'schema.sql.gen.hh',
+  output : 'schema.sql.gen.hh',
+  input : 'schema.sql',
+  command : [bash, '-c', gen_rheader, 'sh', '@OUTPUT@'])
+
+
+libstore_src += custom_target(
+  'ca-specific-schema.sql.gen.hh',
+  output : 'ca-specific-schema.sql.gen.hh',
+  input : 'ca-specific-schema.sql',
+  command : [bash, '-c', gen_rheader, 'sh', '@OUTPUT@'])
+
+
+# build
+#============================================================================
+
+# set build args
+#---------------------------------------------------
+libstore_cxx_args = [
+    '-DNIX_PREFIX="@0@" '.format(prefix),
+    '-DNIX_STORE_DIR="@0@" '.format(nixstoredir),
+    '-DNIX_DATA_DIR="@0@" '.format(datadir),
+    '-DNIX_STATE_DIR="@0@" '.format(join_paths(localstatedir, 'nix')),
+    '-DNIX_LOG_DIR="@0@" '.format(join_paths(localstatedir, 'log/nix')),
+    '-DNIX_CONF_DIR="@0@" '.format(join_paths(sysconfdir, 'nix')),
+    '-DNIX_LIBEXEC_DIR="@0@" '.format(libexecdir),
+    '-DNIX_BIN_DIR="@0@" '.format(bindir),
+    '-DNIX_MAN_DIR="@0@" '.format(mandir),
+    '-DSANDBOX_SHELL="@0@" '.format(get_option('sandbox_shell')),
+    '-DLSOF="@0@" '.format(lsof.full_path())]
+
+libstore_link_args = []
+
+
+# build library
+#---------------------------------------------------
+libstore_lib = library(
+    'nixstore',
+    sources : libstore_src,
+    install : true,
+    install_mode : 'rwxr-xr-x',
+    install_dir : libdir,
+    include_directories : [
+        libstore_inc,
+        proj_inc],
+    cpp_args : libstore_cxx_args,
+    link_args : libstore_link_args,
+    dependencies : libstore_dep_list)
+
+
+# install headers
+#---------------------------------------------------
+install_headers(
+    libstore_headers,
+    install_dir : join_paths(includedir, 'nix'))
+
+
+# install data
+#---------------------------------------------------
+install_data(
+    libstore_data,
+    install_dir : join_paths(datadir, 'nix/sandbox'))
+
+
+# generate pkg-config
+#---------------------------------------------------
+libstore_config = pkgconfig.generate(
+    libstore_lib,
+    libraries : [
+        libstore_lib],
+    version : meson.project_version(),
+    name : 'Nix',
+    subdirs : ['nix/'],
+    filebase : 'nix-store',
+    extra_cflags : '-std=c++17',
+    description : 'Nix Package Manager.')
+
+
+# declare dependency
+#---------------------------------------------------
+libstore_dep = declare_dependency(
+    link_with : libstore_lib,
+    include_directories : libstore_inc)
diff --git a/nix/libutil/meson.build b/nix/libutil/meson.build
new file mode 100644
index 000000000000..7edf76f7c07c
--- /dev/null
+++ b/nix/libutil/meson.build
@@ -0,0 +1 @@
+subdir('src')
\ No newline at end of file
diff --git a/nix/libutil/src/args/meson.build b/nix/libutil/src/args/meson.build
new file mode 100644
index 000000000000..71d4f6c74ad5
--- /dev/null
+++ b/nix/libutil/src/args/meson.build
@@ -0,0 +1,10 @@
+# libutil.args build file
+#============================================================================
+
+
+# src files
+#============================================================================
+
+libutil_headers += files(
+    'root.hh')
+
diff --git a/nix/libutil/src/meson.build b/nix/libutil/src/meson.build
new file mode 100644
index 000000000000..093b155d711c
--- /dev/null
+++ b/nix/libutil/src/meson.build
@@ -0,0 +1,187 @@
+# libutil build file
+#============================================================================
+
+
+# dependencies
+#============================================================================
+
+libutil_dep_list = [
+    aws_sdk_cpp_dep,
+    boost_dep,
+    libarchive_dep,
+    libbrotli_dep,
+    libcpuid_dep,
+    libsodium_dep,
+    nlohmann_dep,
+    openssl_dep,
+    pthread_dep,
+]
+
+
+# src files
+#============================================================================
+
+libutil_src = files(
+    'archive.cc',
+    'args.cc',
+    'canon-path.cc',
+    'cgroup.cc',
+    'compression.cc',
+    'compute-levels.cc',
+    'config.cc',
+    'current-process.cc',
+    'english.cc',
+    'environment-variables.cc',
+    'error.cc',
+    'exit.cc',
+    'experimental-features.cc',
+    'file-content-address.cc',
+    'file-descriptor.cc',
+    'file-system.cc',
+    'fs-sink.cc',
+    'git.cc',
+    'hash.cc',
+    'hilite.cc',
+    'json-utils.cc',
+    'logging.cc',
+    'memory-source-accessor.cc',
+    'namespaces.cc',
+    'position.cc',
+    'posix-source-accessor.cc',
+    'processes.cc',
+    'references.cc',
+    'serialise.cc',
+    'signals.cc',
+    'source-accessor.cc',
+    'source-path.cc',
+    'suggestions.cc',
+    'tarfile.cc',
+    'terminal.cc',
+    'thread-pool.cc',
+    'unix-domain-socket.cc',
+    'url.cc',
+    'users.cc',
+    'util.cc',
+    'xml-writer.cc')
+
+
+libutil_headers = files(
+    'abstract-setting-to-json.hh',
+    'ansicolor.hh',
+    'archive.hh',
+    'args.hh',
+    'callback.hh',
+    'canon-path.hh',
+    'cgroup.hh',
+    'chunked-vector.hh',
+    'closure.hh',
+    'comparator.hh',
+    'compression.hh',
+    'compute-levels.hh',
+    'config.hh',
+    'config-impl.hh',
+    'current-process.hh',
+    'english.hh',
+    'environment-variables.hh',
+    'error.hh',
+    'exit.hh',
+    'experimental-features.hh',
+    'file-content-address.hh',
+    'file-descriptor.hh',
+    'file-path-impl.hh',
+    'file-system.hh',
+    'finally.hh',
+    'fmt.hh',
+    'fs-sink.hh',
+    'git.hh',
+    'hash.hh',
+    'hilite.hh',
+    'input-accessor.hh',
+    'json-impls.hh',
+    'json-utils.hh',
+    'logging.hh',
+    'lru-cache.hh',
+    'memory-source-accessor.hh',
+    'monitor-fd.hh',
+    'namespaces.hh',
+    'pool.hh',
+    'position.hh',
+    'posix-source-accessor.hh',
+    'processes.hh',
+    'references.hh',
+    'ref.hh',
+    'regex-combinators.hh',
+    'repair-flag.hh',
+    'serialise.hh',
+    'signals.hh',
+    'source-accessor.hh',
+    'source-path.hh',
+    'split.hh',
+    'suggestions.hh',
+    'sync.hh',
+    'tarfile.hh',
+    'terminal.hh',
+    'thread-pool.hh',
+    'topo-sort.hh',
+    'types.hh',
+    'unix-domain-socket.hh',
+    'url.hh',
+    'url-parts.hh',
+    'users.hh',
+    'util.hh',
+    'variant-wrapper.hh',
+    'xml-writer.hh')
+
+# include directories
+#========================================================================
+
+# include current dir
+#---------------------------------------------------
+libutil_inc = [include_directories('.')]
+
+libutil_dirs = [
+    'args',
+    'signature']
+
+foreach dir : libutil_dirs
+    subdir(dir)
+endforeach
+
+
+
+# build
+#============================================================================
+
+# set build args
+#---------------------------------------------------
+libutil_cxx_args = []
+
+libutil_link_args = []
+
+
+# build library
+#---------------------------------------------------
+libutil_lib = library(
+    'nixutil',
+    sources : libutil_src,
+    install : true,
+    install_mode : 'rwxr-xr-x',
+    install_dir : libdir,
+    include_directories : proj_inc,
+    cpp_args : libutil_cxx_args,
+    link_args : libutil_link_args,
+    dependencies : libutil_dep_list)
+
+
+# install headers
+#---------------------------------------------------
+install_headers(
+    libutil_headers,
+    install_dir : join_paths(includedir, 'nix'))
+
+
+# declare dependency
+#---------------------------------------------------
+libutil_dep = declare_dependency(
+    link_with : libutil_lib,
+    include_directories : libutil_inc)
diff --git a/nix/libutil/src/signature/meson.build b/nix/libutil/src/signature/meson.build
new file mode 100644
index 000000000000..7fff2314bfa0
--- /dev/null
+++ b/nix/libutil/src/signature/meson.build
@@ -0,0 +1,15 @@
+# libutil.signature build file
+#============================================================================
+
+
+# src files
+#============================================================================
+
+libutil_src += files(
+    'local-keys.cc',
+    'signer.cc')
+
+libutil_headers += files(
+    'local-keys.hh',
+    'signer.hh')
+
diff --git a/nix/meson.build b/nix/meson.build
new file mode 100644
index 000000000000..74c6cbab06cb
--- /dev/null
+++ b/nix/meson.build
@@ -0,0 +1,22 @@
+# nix build file
+#============================================================================
+
+proj_inc += include_directories('.')
+
+src_dirs = [
+    'libutil',
+    'libstore',
+    # 'libmain',
+    # 'libfetchers',
+    # 'libexpr',
+    # 'libcmd',
+    # 'nixbin',
+]
+
+# if get_option('nix_perl').allowed()
+#     src_dirs += ['perl']
+# endif
+
+foreach dir : src_dirs
+    subdir(dir)
+endforeach
diff --git a/nix/nixbin/meson.build b/nix/nixbin/meson.build
new file mode 100644
index 000000000000..367eb31cb30a
--- /dev/null
+++ b/nix/nixbin/meson.build
@@ -0,0 +1,13 @@
+# nix build file
+#============================================================================
+
+nix_inc = [include_directories('.')]
+
+nixbin_dirs = [
+    'data',
+    'misc',
+    'src']
+
+foreach dir : nixbin_dirs
+    subdir(dir)
+endforeach
diff --git a/nix/nixbin/src/bin/meson.build b/nix/nixbin/src/bin/meson.build
new file mode 100644
index 000000000000..8b92e61bab49
--- /dev/null
+++ b/nix/nixbin/src/bin/meson.build
@@ -0,0 +1,80 @@
+# Nix binary build file
+#============================================================================
+
+
+
+
+# dependencies
+#============================================================================
+
+nix_dep_list = [
+    pthread_dep,
+    libdl_dep,
+    boost_dep,
+    editline_dep,
+    libsodium_dep,
+    gc_dep,
+
+    libutil_dep,
+    libstore_dep,
+    libmain_dep,
+    libfetchers_dep,
+    libexpr_dep,
+    libcmd_dep]
+
+
+# src files
+#============================================================================
+
+nix_src = files(
+    'add-to-store.cc',
+    'app.cc',
+    'build.cc',
+    'bundle.cc',
+    'cat.cc',
+    'config.cc',
+    'config-check.cc',
+    'copy.cc',
+    'daemon.cc',
+    'derivation-add.cc',
+    'derivation.cc',
+    'derivation-show.cc',
+    'develop.cc',
+    'diff-closures.cc',
+    'dump-path.cc',
+    'edit.cc',
+    'eval.cc',
+    'flake.cc',
+    'fmt.cc',
+    'hash.cc',
+    'log.cc',
+    'ls.cc',
+    'main.cc',
+    'make-content-addressed.cc',
+    'nar.cc',
+    'optimise-store.cc',
+    'path-from-hash-part.cc',
+    'path-info.cc',
+    'prefetch.cc',
+    'profile.cc',
+    'realisation.cc',
+    'registry.cc',
+    'repl.cc',
+    'run.cc',
+    'search.cc',
+    'sigs.cc',
+    'store.cc',
+    'store-copy-log.cc',
+    'store-delete.cc',
+    'store-gc.cc',
+    'store-info.cc',
+    'store-repair.cc',
+    'upgrade-nix.cc',
+    'verify.cc',
+    'why-depends.cc')
+
+nix_headers = files(
+    'run.hh')
+
+nix_markdown_files += files(
+    join_paths('realisation', 'info.md'))
diff --git a/nix/nixbin/src/build-remote/meson.build b/nix/nixbin/src/build-remote/meson.build
new file mode 100644
index 000000000000..8a54fd614096
--- /dev/null
+++ b/nix/nixbin/src/build-remote/meson.build
@@ -0,0 +1,11 @@
+# build-remote build file
+#============================================================================
+
+build_remote_inc = [include_directories('.')]
+
+
+# src files
+#============================================================================
+
+build_remote_src = files(
+    'build-remote.cc')
diff --git a/nix/nixbin/src/meson.build b/nix/nixbin/src/meson.build
new file mode 100644
index 000000000000..2b03121e4b74
--- /dev/null
+++ b/nix/nixbin/src/meson.build
@@ -0,0 +1,79 @@
+# nix build file
+#============================================================================
+
+nix_inc += include_directories('.')
+
+nix_src_dirs = [
+    'build-remote',
+    'nix-build',
+    'nix-channel',
+    'nix-collect-garbage',
+    'nix-copy-closure',
+    'nix-env',
+    'nix-instantiate',
+    'nix-store',
+    'bin',
+]
+
+if sys_name == 'Darwin'
+    nix_src_dirs += 'resolve-system-dependencies'
+endif
+
+foreach dir : nix_src_dirs
+    subdir(dir)
+endforeach
+
+
+# build
+#============================================================================
+
+# build executable
+#---------------------------------------------------
+nix_bin = executable(
+    'nix',
+    sources : [
+        get_env_hh,
+        nix_src,
+        build_remote_src,
+        nix_build_src,
+        nix_channel_src,
+        nix_collect_garbage_src,
+        nix_copy_closure_src,
+        # nix_daemon_src,
+        nix_env_src,
+        nix_instantiate_src,
+        nix_store_src,
+        # utils_nix,
+        # generate_manpage_nix
+        ],
+    install : true,
+    install_mode : 'rwxr-xr-x',
+    install_dir : bindir,
+    include_directories : [
+        nix_inc,
+        # doc_manual_inc,
+        proj_inc],
+    cpp_args : nix_cxx_args,
+    link_args : nix_link_args,
+    dependencies : nix_dep_list)
+
+# Install the symlinks for the nix binary
+nix_symlink_list = [
+    'nix-build',
+    'nix-channel',
+    'nix-collect-garbage',
+    'nix-copy-closure',
+    'nix-daemon',
+    'nix-env',
+    'nix-hash',
+    'nix-instantiate',
+    'nix-prefetch-url',
+    'nix-shell',
+    'nix-store']
+
+foreach nix_symlink : nix_symlink_list
+    install_symlink(
+        nix_symlink,
+        install_dir : bindir,
+        pointing_to : 'nix')
+endforeach
diff --git a/nix/nixbin/src/nix-build/meson.build b/nix/nixbin/src/nix-build/meson.build
new file mode 100644
index 000000000000..dfb925a7592f
--- /dev/null
+++ b/nix/nixbin/src/nix-build/meson.build
@@ -0,0 +1,11 @@
+# nix-build build file
+#============================================================================
+
+nix_build_inc = [include_directories('.')]
+
+
+# src files
+#============================================================================
+
+nix_build_src = files(
+    'nix-build.cc')
diff --git a/nix/nixbin/src/nix-channel/meson.build b/nix/nixbin/src/nix-channel/meson.build
new file mode 100644
index 000000000000..6813b80ae278
--- /dev/null
+++ b/nix/nixbin/src/nix-channel/meson.build
@@ -0,0 +1,20 @@
+# nix-channel channel file
+#============================================================================
+
+nix_channel_inc = [include_directories('.')]
+
+
+# src files
+#============================================================================
+
+nix_channel_src = files(
+    'nix-channel.cc')
+
+
+# targets
+#============================================================================
+nix_channel_src += custom_target(
+  'unpack-channel.nix.gen.hh',
+  output : 'unpack-channel.nix.gen.hh',
+  input : 'unpack-channel.nix',
+  command : [bash, '-c', gen_rheader, 'sh', '@OUTPUT@'])
diff --git a/nix/nixbin/src/nix-collect-garbage/meson.build b/nix/nixbin/src/nix-collect-garbage/meson.build
new file mode 100644
index 000000000000..10ca61116c81
--- /dev/null
+++ b/nix/nixbin/src/nix-collect-garbage/meson.build
@@ -0,0 +1,11 @@
+# build-remote build file
+#============================================================================
+
+nix_collect_garbage_inc = [include_directories('.')]
+
+
+# src files
+#============================================================================
+
+nix_collect_garbage_src = files(
+    'nix-collect-garbage.cc')
diff --git a/nix/nixbin/src/nix-copy-closure/meson.build b/nix/nixbin/src/nix-copy-closure/meson.build
new file mode 100644
index 000000000000..c13f61519825
--- /dev/null
+++ b/nix/nixbin/src/nix-copy-closure/meson.build
@@ -0,0 +1,11 @@
+# nix-copy-closure build file
+#============================================================================
+
+nix_copy_closure_inc = [include_directories('.')]
+
+
+# src files
+#============================================================================
+
+nix_copy_closure_src = files(
+    'nix-copy-closure.cc')
diff --git a/nix/nixbin/src/nix-env/meson.build b/nix/nixbin/src/nix-env/meson.build
new file mode 100644
index 000000000000..64c924400541
--- /dev/null
+++ b/nix/nixbin/src/nix-env/meson.build
@@ -0,0 +1,20 @@
+# nix-env build file
+#============================================================================
+
+nix_env_inc = [include_directories('.')]
+
+
+# src files
+#============================================================================
+
+nix_env_src = files(
+    'nix-env.cc',
+    'user-env.cc')
+
+# targets
+#============================================================================
+nix_env_src += custom_target(
+  'buildenv.nix.gen.hh',
+  output : 'buildenv.nix.gen.hh',
+  input : 'buildenv.nix',
+  command : [bash, '-c', gen_rheader, 'sh', '@OUTPUT@'])
diff --git a/nix/nixbin/src/nix-instantiate/meson.build b/nix/nixbin/src/nix-instantiate/meson.build
new file mode 100644
index 000000000000..5a25767150c7
--- /dev/null
+++ b/nix/nixbin/src/nix-instantiate/meson.build
@@ -0,0 +1,11 @@
+# nix-instantiate build file
+#============================================================================
+
+nix_instantiate_inc = [include_directories('.')]
+
+
+# src files
+#============================================================================
+
+nix_instantiate_src = files(
+    'nix-instantiate.cc')
diff --git a/nix/nixbin/src/nix-store/meson.build b/nix/nixbin/src/nix-store/meson.build
new file mode 100644
index 000000000000..fd65e3ceea8b
--- /dev/null
+++ b/nix/nixbin/src/nix-store/meson.build
@@ -0,0 +1,13 @@
+# nix-store build file
+#============================================================================
+
+nix_store_inc = [include_directories('.')]
+
+
+# src files
+#============================================================================
+
+nix_store_src = files(
+    'dotgraph.cc',
+    'graphml.cc',
+    'nix-store.cc')
diff --git a/nix/nixbin/src/resolve-system-dependencies/meson.build b/nix/nixbin/src/resolve-system-dependencies/meson.build
new file mode 100644
index 000000000000..6e3acd6ef8bd
--- /dev/null
+++ b/nix/nixbin/src/resolve-system-dependencies/meson.build
@@ -0,0 +1,39 @@
+# resolve-system-dependencies build file
+#============================================================================
+
+resolvesysdeps_inc = [include_directories('.')]
+
+# dependencies
+#============================================================================
+
+resolvesysdeps_dep_list = []
+
+
+# src files
+#============================================================================
+
+resolvesysdeps_src = files(
+    'resolve-system-dependencies.cc')
+
+
+# build
+#============================================================================
+
+# set build args
+#---------------------------------------------------
+resolvesysdeps_cxx_args = []
+
+resolvesysdeps_link_args = []
+
+# build executable
+#---------------------------------------------------
+resolvesysdeps_bin = executable(
+    'resolve-system-dependencies',
+    sources : resolvesysdeps_src,
+    install : true,
+    install_mode : 'rwxr-xr-x',
+    install_dir : bindir,
+    include_directories : proj_inc,
+    cpp_args : resolvesysdeps_cxx_args,
+    link_args : resolvesysdeps_link_args,
+    dependencies : resolvesysdeps_dep_list)
diff --git a/subprojects/bdwgc.wrap b/subprojects/bdwgc.wrap
new file mode 100644
index 000000000000..e4f005ca3b3f
--- /dev/null
+++ b/subprojects/bdwgc.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = bdwgc
+
+source_url = https://github.com/nlohmann/json
+revision = v3.11.3
+
diff --git a/subprojects/gtest.wrap b/subprojects/gtest.wrap
new file mode 100644
index 000000000000..adb8a9a6d94e
--- /dev/null
+++ b/subprojects/gtest.wrap
@@ -0,0 +1,16 @@
+[wrap-file]
+directory = googletest-1.14.0
+source_url = https://github.com/google/googletest/archive/refs/tags/v1.14.0.tar.gz
+source_filename = gtest-1.14.0.tar.gz
+source_hash = 8ad598c73ad796e0d8280b082cebd82a630d73e73cd3c70057938a6501bba5d7
+patch_filename = gtest_1.14.0-2_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/gtest_1.14.0-2/get_patch
+patch_hash = 4ec7f767364386a99f7b2d61678287a73ad6ba0f9998be43b51794c464a63732
+source_fallback_url = https://github.com/mesonbuild/wrapdb/releases/download/gtest_1.14.0-2/gtest-1.14.0.tar.gz
+wrapdb_version = 1.14.0-2
+
+[provide]
+gtest = gtest_dep
+gtest_main = gtest_main_dep
+gmock = gmock_dep
+gmock_main = gmock_main_dep
diff --git a/subprojects/nlohmann-json.wrap b/subprojects/nlohmann-json.wrap
new file mode 100644
index 000000000000..5a4594cff5ca
--- /dev/null
+++ b/subprojects/nlohmann-json.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = nlohmann-json
+
+source_url = https://github.com/nlohmann/json
+revision = v3.11.3
+
diff --git a/subprojects/packagefiles/bdwgc/boehmgc-coroutine-sp-fallback.diff b/subprojects/packagefiles/bdwgc/boehmgc-coroutine-sp-fallback.diff
new file mode 100644
index 000000000000..2afbe96712bc
--- /dev/null
+++ b/subprojects/packagefiles/bdwgc/boehmgc-coroutine-sp-fallback.diff
@@ -0,0 +1,99 @@
+diff --git a/darwin_stop_world.c b/darwin_stop_world.c
+index 0468aaec..b348d869 100644
+--- a/darwin_stop_world.c
++++ b/darwin_stop_world.c
+@@ -356,6 +356,7 @@ GC_INNER void GC_push_all_stacks(void)
+   int nthreads = 0;
+   word total_size = 0;
+   mach_msg_type_number_t listcount = (mach_msg_type_number_t)THREAD_TABLE_SZ;
++  size_t stack_limit;
+   if (!EXPECT(GC_thr_initialized, TRUE))
+     GC_thr_init();
+ 
+@@ -411,6 +412,19 @@ GC_INNER void GC_push_all_stacks(void)
+             GC_push_all_stack_sections(lo, hi, p->traced_stack_sect);
+           }
+           if (altstack_lo) {
++            // When a thread goes into a coroutine, we lose its original sp until
++            // control flow returns to the thread.
++            // While in the coroutine, the sp points outside the thread stack,
++            // so we can detect this and push the entire thread stack instead,
++            // as an approximation.
++            // We assume that the coroutine has similarly added its entire stack.
++            // This could be made accurate by cooperating with the application
++            // via new functions and/or callbacks.
++            stack_limit = pthread_get_stacksize_np(p->id);
++            if (altstack_lo >= altstack_hi || altstack_lo < altstack_hi - stack_limit) { // sp outside stack
++              altstack_lo = altstack_hi - stack_limit;
++            }
++
+             total_size += altstack_hi - altstack_lo;
+             GC_push_all_stack(altstack_lo, altstack_hi);
+           }
+diff --git a/include/gc.h b/include/gc.h
+index edab6c22..f2c61282 100644
+--- a/include/gc.h
++++ b/include/gc.h
+@@ -2172,6 +2172,11 @@ GC_API void GC_CALL GC_win32_free_heap(void);
+         (*GC_amiga_allocwrapper_do)(a,GC_malloc_atomic_ignore_off_page)
+ #endif /* _AMIGA && !GC_AMIGA_MAKINGLIB */
+ 
++#if !__APPLE__
++/* Patch doesn't work on apple */
++#define NIX_BOEHM_PATCH_VERSION 1
++#endif
++
+ #ifdef __cplusplus
+   } /* extern "C" */
+ #endif
+diff --git a/pthread_stop_world.c b/pthread_stop_world.c
+index b5d71e62..aed7b0bf 100644
+--- a/pthread_stop_world.c
++++ b/pthread_stop_world.c
+@@ -768,6 +768,8 @@ STATIC void GC_restart_handler(int sig)
+ /* world is stopped.  Should not fail if it isn't.                      */
+ GC_INNER void GC_push_all_stacks(void)
+ {
++    size_t stack_limit;
++    pthread_attr_t pattr;
+     GC_bool found_me = FALSE;
+     size_t nthreads = 0;
+     int i;
+@@ -851,6 +853,37 @@ GC_INNER void GC_push_all_stacks(void)
+           hi = p->altstack + p->altstack_size;
+           /* FIXME: Need to scan the normal stack too, but how ? */
+           /* FIXME: Assume stack grows down */
++        } else {
++#ifdef HAVE_PTHREAD_ATTR_GET_NP
++          if (!pthread_attr_init(&pattr)
++              || !pthread_attr_get_np(p->id, &pattr))
++#else /* HAVE_PTHREAD_GETATTR_NP */
++          if (pthread_getattr_np(p->id, &pattr))
++#endif
++          {
++            ABORT("GC_push_all_stacks: pthread_getattr_np failed!");
++          }
++          if (pthread_attr_getstacksize(&pattr, &stack_limit)) {
++            ABORT("GC_push_all_stacks: pthread_attr_getstacksize failed!");
++          }
++          if (pthread_attr_destroy(&pattr)) {
++            ABORT("GC_push_all_stacks: pthread_attr_destroy failed!");
++          }
++          // When a thread goes into a coroutine, we lose its original sp until
++          // control flow returns to the thread.
++          // While in the coroutine, the sp points outside the thread stack,
++          // so we can detect this and push the entire thread stack instead,
++          // as an approximation.
++          // We assume that the coroutine has similarly added its entire stack.
++          // This could be made accurate by cooperating with the application
++          // via new functions and/or callbacks.
++          #ifndef STACK_GROWS_UP
++            if (lo >= hi || lo < hi - stack_limit) { // sp outside stack
++              lo = hi - stack_limit;
++            }
++          #else
++          #error "STACK_GROWS_UP not supported in boost_coroutine2 (as of june 2021), so we don't support it in Nix."
++          #endif
+         }
+         GC_push_all_stack_sections(lo, hi, traced_stack_sect);
+ #       ifdef STACK_GROWS_UP
diff --git a/subprojects/packagefiles/bdwgc/boehmgc-traceable_allocator-public.diff b/subprojects/packagefiles/bdwgc/boehmgc-traceable_allocator-public.diff
new file mode 100644
index 000000000000..903c707a6981
--- /dev/null
+++ b/subprojects/packagefiles/bdwgc/boehmgc-traceable_allocator-public.diff
@@ -0,0 +1,12 @@
+diff --git a/include/gc_allocator.h b/include/gc_allocator.h
+index 597c7f13..587286be 100644
+--- a/include/gc_allocator.h
++++ b/include/gc_allocator.h
+@@ -312,6 +312,7 @@ public:
+ 
+ template<>
+ class traceable_allocator<void> {
++public:
+   typedef size_t      size_type;
+   typedef ptrdiff_t   difference_type;
+   typedef void*       pointer;
diff --git a/subprojects/packagefiles/nlohmann-json/meson.build b/subprojects/packagefiles/nlohmann-json/meson.build
new file mode 100644
index 000000000000..7d4cdeac5118
--- /dev/null
+++ b/subprojects/packagefiles/nlohmann-json/meson.build
@@ -0,0 +1,18 @@
+# nlohmann-json build file
+#============================================================================
+
+nlohmann_inc = [include_directories('.')]
+
+nlohmann_headers = files(
+    'json.hpp',
+    'json_fwd.hpp',
+)
+
+install_headers(
+    nlohmann_headers,
+    install_dir : join_paths(includedir, 'nix'))
+
+# declare dependency
+#---------------------------------------------------
+nlohmann_dep = declare_dependency(
+    include_directories : nlohmann_inc)
diff --git a/subprojects/toml11.wrap b/subprojects/toml11.wrap
new file mode 100644
index 000000000000..ce0bfd62d554
--- /dev/null
+++ b/subprojects/toml11.wrap
@@ -0,0 +1,7 @@
+[wrap-file]
+directory = toml11-3.8.1
+source_url = https://github.com/ToruNiina/toml11/archive/refs/tags/v3.8.1.zip
+source_filename = toml11-3.8.1.zip
+source_hash = 72e956f42002dd1566c5551a693ec0f6fa3bea3a0e7bcea29bcdace98738da74
+wrapdb_version = 3.8.0-1
+buildsystem = cmake
diff --git a/tests/meson.build b/tests/meson.build
new file mode 100644
index 000000000000..a4f9b626bfce
--- /dev/null
+++ b/tests/meson.build
@@ -0,0 +1,13 @@
+# nix tests
+#============================================================================
+
+test_dirs = [
+    'nix',
+    # 'funtional',
+    # 'installer',
+    # 'nixos'
+    ]
+
+foreach dir : test_dirs
+    subdir(dir)
+endforeach
diff --git a/tests/nix/libstore/meson.build b/tests/nix/libstore/meson.build
new file mode 100644
index 000000000000..3925d5464e73
--- /dev/null
+++ b/tests/nix/libstore/meson.build
@@ -0,0 +1,13 @@
+# libstore unit tests
+#============================================================================
+
+libstore_test_data_dir = join_paths(meson.current_source_dir(), 'data')
+
+libstore_unit_test_dirs = [
+    # 'data',
+    'support',
+    'unit']
+
+foreach dir : libstore_unit_test_dirs
+    subdir(dir)
+endforeach
diff --git a/tests/nix/libstore/support/meson.build b/tests/nix/libstore/support/meson.build
new file mode 100644
index 000000000000..3a97c58c5244
--- /dev/null
+++ b/tests/nix/libstore/support/meson.build
@@ -0,0 +1,58 @@
+# libstore.tests.support
+#============================================================================
+
+libstore_support_inc = [include_directories('.')]
+
+# dependencies
+#============================================================================
+
+libstore_support_dep_list = [
+    gtest_dep,
+    rapidcheck_dep,
+
+    libutil_dep,
+    libutil_support_dep,
+    libstore_dep]
+
+
+# src files
+#============================================================================
+
+libstore_support_src = files(
+    join_paths('tests', 'derived-path.cc'),
+    join_paths('tests', 'outputs-spec.cc'),
+    join_paths('tests', 'path.cc'))
+
+libstore_support_headers = files(
+    join_paths('tests', 'derived-path.hh'),
+    join_paths('tests', 'outputs-spec.hh'),
+    join_paths('tests', 'path.hh'),
+    join_paths('tests', 'protocol.hh'))
+
+
+# build
+#============================================================================
+
+# set build args
+#---------------------------------------------------
+libstore_support_cxx_args = []
+
+libstore_support_link_args = []
+
+libstore_support_lib = library(
+    'nixstore-support',
+    sources : libstore_support_src,
+    include_directories : [
+        proj_inc,
+        libstore_support_inc],
+    cpp_args : libstore_support_cxx_args,
+    link_args : libstore_support_link_args,
+    dependencies : libstore_support_dep_list)
+
+
+
+# declare dependency
+#---------------------------------------------------
+libstore_support_dep = declare_dependency(
+    link_with : libstore_support_lib,
+    include_directories : libstore_support_inc)
diff --git a/tests/nix/libstore/unit/common-protocol/meson.build b/tests/nix/libstore/unit/common-protocol/meson.build
new file mode 100644
index 000000000000..12ff91bdce14
--- /dev/null
+++ b/tests/nix/libstore/unit/common-protocol/meson.build
@@ -0,0 +1,20 @@
+# libstore.test.common-protocol
+# ============================================================================
+
+
+# build test
+#---------------------------------------------------
+libstore_common_protocol_test = executable(
+    'common-protocol-test',
+    install : false,
+    sources : 'common-protocol.cc',
+    include_directories : proj_inc,
+    dependencies : libstore_tests_dep_list)
+
+
+test(
+    'common-protocol-test',
+    libstore_common_protocol_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libstore'])
+
diff --git a/tests/nix/libstore/unit/content-address/meson.build b/tests/nix/libstore/unit/content-address/meson.build
new file mode 100644
index 000000000000..134d8c3fdcea
--- /dev/null
+++ b/tests/nix/libstore/unit/content-address/meson.build
@@ -0,0 +1,21 @@
+# libstore.test.content-addresss
+# ============================================================================
+
+
+# build test
+#---------------------------------------------------
+libstore_content_address_test = executable(
+    'content-address-test',
+    install : false,
+    sources : 'content-address.cc',
+    include_directories : proj_inc,
+    dependencies : libstore_tests_dep_list)
+
+
+test(
+    'content-address-test',
+    libstore_content_address_test,
+    env : ['_NIX_TEST_UNIT_DATA=@0@'.format(libstore_test_data_dir)],
+    protocol : 'gtest',
+    suite : ['unit', 'libstore'])
+
diff --git a/tests/nix/libstore/unit/derivation/meson.build b/tests/nix/libstore/unit/derivation/meson.build
new file mode 100644
index 000000000000..ae4b453cdb4c
--- /dev/null
+++ b/tests/nix/libstore/unit/derivation/meson.build
@@ -0,0 +1,21 @@
+# libstore.test.derivation
+# ============================================================================
+
+
+# build test
+#---------------------------------------------------
+libstore_content_address_test = executable(
+    'derivation',
+    install : false,
+    sources : 'derivation.cc',
+    include_directories : proj_inc,
+    dependencies : libstore_tests_dep_list)
+
+
+test(
+    'derivation',
+    libstore_content_address_test,
+    env : ['_NIX_TEST_UNIT_DATA=@0@'.format(libstore_test_data_dir)],
+    protocol : 'gtest',
+    suite : ['unit', 'libstore'])
+
diff --git a/tests/nix/libstore/unit/machines/meson.build b/tests/nix/libstore/unit/machines/meson.build
new file mode 100644
index 000000000000..8527b524e2ec
--- /dev/null
+++ b/tests/nix/libstore/unit/machines/meson.build
@@ -0,0 +1,8 @@
+
+
+# TODO: currently, the test has hardcoded paths
+# to the needed test data files. this isnt handled
+# in this manner elsewhere in the codebase, and
+# will need to be normalised.
+
+
diff --git a/tests/nix/libstore/unit/meson.build b/tests/nix/libstore/unit/meson.build
new file mode 100644
index 000000000000..1dc9baa36fd6
--- /dev/null
+++ b/tests/nix/libstore/unit/meson.build
@@ -0,0 +1,55 @@
+# libstore.tests
+#============================================================================
+
+libstore_tests_inc = [include_directories('.')]
+
+# dependencies
+#============================================================================
+
+libstore_tests_dep_list = [
+    aws_sdk_cpp_dep,
+    libcurl_dep,
+    libdl_dep,
+    libseccomp_dep,
+    libsodium_dep,
+    nlohmann_dep,
+    pthread_dep,
+    sqlite3_dep,
+
+
+
+
+    gtest_dep,
+    gmock_dep,
+    rapidcheck_dep,
+
+    libutil_support_dep,
+    libutil_dep,
+    libstore_support_dep,
+    libstore_dep]
+
+
+# include directories
+#============================================================================
+
+libstore_unit_test_dirs = [
+    'common-protocol',
+    'content-address',
+    # 'derivation',
+    # 'derived-path',
+    # 'downstream-placeholder',
+    # 'machines',
+    # 'nar-info',
+    # 'nar-info-disk-cache',
+    # 'outputs-spec',
+    # 'path',
+    # 'path-info',
+    # 'references',
+    # 'serve-protocol',
+    # 'worker-protocol'
+    ]
+
+foreach dir : libstore_unit_test_dirs
+    subdir(dir)
+endforeach
+
diff --git a/tests/nix/libutil/meson.build b/tests/nix/libutil/meson.build
new file mode 100644
index 000000000000..c69a84dd2901
--- /dev/null
+++ b/tests/nix/libutil/meson.build
@@ -0,0 +1,13 @@
+# libutil unit tests
+#============================================================================
+
+libutil_test_data_dir = join_paths(meson.current_source_dir(), 'data')
+
+libutil_unit_test_dirs = [
+    # 'data',
+    'support',
+    'unit']
+
+foreach dir : libutil_unit_test_dirs
+    subdir(dir)
+endforeach
diff --git a/tests/nix/libutil/support/meson.build b/tests/nix/libutil/support/meson.build
new file mode 100644
index 000000000000..218a6a89077a
--- /dev/null
+++ b/tests/nix/libutil/support/meson.build
@@ -0,0 +1,53 @@
+# libutil.tests.support
+#============================================================================
+
+libutil_support_inc = [include_directories('.')]
+
+# dependencies
+#============================================================================
+
+libutil_support_dep_list = [
+    gtest_dep,
+    rapidcheck_dep,
+    # rapidcheck_gtest_dep,
+
+    libutil_dep]
+
+
+# src files
+#============================================================================
+
+libutil_support_src = files(
+    join_paths('tests', 'hash.cc'))
+
+libutil_support_headers = files(
+    join_paths('tests', 'characterization.hh'),
+    join_paths('tests', 'hash.hh'))
+
+
+# build
+#============================================================================
+
+# set build args
+#---------------------------------------------------
+libutil_support_cxx_args = []
+
+libutil_support_link_args = []
+
+libutil_support_lib = library(
+    'nixutil-support',
+    sources : libutil_support_src,
+    include_directories : [
+        proj_inc,
+        libutil_support_inc],
+    cpp_args : libutil_support_cxx_args,
+    link_args : libutil_support_link_args,
+    dependencies : libutil_support_dep_list)
+
+
+
+# declare dependency
+#---------------------------------------------------
+libutil_support_dep = declare_dependency(
+    link_with : libutil_support_lib,
+    include_directories : libutil_support_inc)
diff --git a/tests/nix/libutil/unit/args/meson.build b/tests/nix/libutil/unit/args/meson.build
new file mode 100644
index 000000000000..aae0ce1da055
--- /dev/null
+++ b/tests/nix/libutil/unit/args/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.args
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_args_test = executable(
+    'libutil-args-test',
+    install : false,
+    sources : 'args.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-args-test',
+    libutil_args_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/canon-path/meson.build b/tests/nix/libutil/unit/canon-path/meson.build
new file mode 100644
index 000000000000..dbdc208263eb
--- /dev/null
+++ b/tests/nix/libutil/unit/canon-path/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.canon-path
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_canon_path_test = executable(
+    'libutil-canon-path-test',
+    install : false,
+    sources : 'canon-path.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-canon-path-test',
+    libutil_canon_path_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/chunked-vector/meson.build b/tests/nix/libutil/unit/chunked-vector/meson.build
new file mode 100644
index 000000000000..609193196d5e
--- /dev/null
+++ b/tests/nix/libutil/unit/chunked-vector/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.chunked-vector
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_chunked_vector_test = executable(
+    'libutil-chunked-vector-test',
+    install : false,
+    sources : 'chunked-vector.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-chunked-vector-test',
+    libutil_chunked_vector_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/closure/meson.build b/tests/nix/libutil/unit/closure/meson.build
new file mode 100644
index 000000000000..90289e9c47ee
--- /dev/null
+++ b/tests/nix/libutil/unit/closure/meson.build
@@ -0,0 +1,18 @@
+# libutil.test.closure
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_closure_test = executable(
+    'libutil-closure-test',
+    install : false,
+    sources : 'closure.cc',
+    include_directories : [
+        proj_inc],
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-closure-test',
+    libutil_closure_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/compression/meson.build b/tests/nix/libutil/unit/compression/meson.build
new file mode 100644
index 000000000000..d13ef06b51f2
--- /dev/null
+++ b/tests/nix/libutil/unit/compression/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.compression
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_compression_test = executable(
+    'libutil-compression-test',
+    install : false,
+    sources : 'compression.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-compression-test',
+    libutil_compression_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/config/meson.build b/tests/nix/libutil/unit/config/meson.build
new file mode 100644
index 000000000000..88b4a90b7b8c
--- /dev/null
+++ b/tests/nix/libutil/unit/config/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.config
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_config_test = executable(
+    'libutil-config-test',
+    install : false,
+    sources : 'config.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-config-test',
+    libutil_config_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/file-content-address/meson.build b/tests/nix/libutil/unit/file-content-address/meson.build
new file mode 100644
index 000000000000..96d882189075
--- /dev/null
+++ b/tests/nix/libutil/unit/file-content-address/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.file-content-address
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_file_content_address_test = executable(
+    'libutil-file-content-address-test',
+    install : false,
+    sources : 'file-content-address.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-file-content-address-test',
+    libutil_file_content_address_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/git/meson.build b/tests/nix/libutil/unit/git/meson.build
new file mode 100644
index 000000000000..be3075856437
--- /dev/null
+++ b/tests/nix/libutil/unit/git/meson.build
@@ -0,0 +1,18 @@
+# libutil.test.git
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_git_test = executable(
+    'libutil-git-test',
+    install : false,
+    sources : ['git.cc'],
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-git-test',
+    libutil_git_test,
+    env : ['_NIX_TEST_UNIT_DATA=@0@'.format(libutil_test_data_dir)],
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/hash/meson.build b/tests/nix/libutil/unit/hash/meson.build
new file mode 100644
index 000000000000..01b9818cdfed
--- /dev/null
+++ b/tests/nix/libutil/unit/hash/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.hash
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_hash_test = executable(
+    'libutil-hash-test',
+    install : false,
+    sources : 'hash.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-hash-test',
+    libutil_hash_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/hilite/meson.build b/tests/nix/libutil/unit/hilite/meson.build
new file mode 100644
index 000000000000..1c9b2bf83c78
--- /dev/null
+++ b/tests/nix/libutil/unit/hilite/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.hilite
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_hilite_test = executable(
+    'libutil-hilite-test',
+    install : false,
+    sources : 'hilite.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-hilite-test',
+    libutil_hilite_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/json-utils/meson.build b/tests/nix/libutil/unit/json-utils/meson.build
new file mode 100644
index 000000000000..5f24407b46b0
--- /dev/null
+++ b/tests/nix/libutil/unit/json-utils/meson.build
@@ -0,0 +1,18 @@
+# libutil.test.json-utils
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_json_utils_test = executable(
+    'libutil-json-utils-test',
+    install : false,
+    sources : 'json-utils.cc',
+    include_directories : [
+        proj_inc],
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-json-utils-test',
+    libutil_json_utils_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/logging/meson.build b/tests/nix/libutil/unit/logging/meson.build
new file mode 100644
index 000000000000..414dc191839c
--- /dev/null
+++ b/tests/nix/libutil/unit/logging/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.logging
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_logging_test = executable(
+    'libutil-logging-test',
+    install : false,
+    sources : 'logging.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-logging-test',
+    libutil_logging_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/lru-cache/meson.build b/tests/nix/libutil/unit/lru-cache/meson.build
new file mode 100644
index 000000000000..89903faf353d
--- /dev/null
+++ b/tests/nix/libutil/unit/lru-cache/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.lru-cache
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_lru_cache_test = executable(
+    'libutil-lru-cache-test',
+    install : false,
+    sources : 'lru-cache.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-lru-cache-test',
+    libutil_lru_cache_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/meson.build b/tests/nix/libutil/unit/meson.build
new file mode 100644
index 000000000000..c92d0073a269
--- /dev/null
+++ b/tests/nix/libutil/unit/meson.build
@@ -0,0 +1,44 @@
+# libutil.tests
+#============================================================================
+
+
+
+# dependencies
+#============================================================================
+
+libutil_tests_dep_list = [
+    gtest_dep,
+    gmock_dep,
+    rapidcheck_dep,
+
+    libutil_dep,
+    libutil_support_dep]
+
+
+# include directories
+#============================================================================
+
+libutil_unit_test_dirs = [
+    'args',
+    'canon-path',
+    'chunked-vector',
+    'closure',
+    'compression',
+    'config',
+    'file-content-address',
+    'git',
+    'hash',
+    'hilite',
+    'json-utils',
+    'logging',
+    'lru-cache',
+    'misc',
+    'pool',
+    'references',
+    'suggestions',
+    'url',
+    'xml-writer']
+
+foreach dir : libutil_unit_test_dirs
+    subdir(dir)
+endforeach
diff --git a/tests/nix/libutil/unit/misc/meson.build b/tests/nix/libutil/unit/misc/meson.build
new file mode 100644
index 000000000000..fce294a14650
--- /dev/null
+++ b/tests/nix/libutil/unit/misc/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.misc
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_misc_test = executable(
+    'libutil-misc-test',
+    install : false,
+    sources : 'misc.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-misc-test',
+    libutil_misc_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
\ No newline at end of file
diff --git a/tests/nix/libutil/unit/pool/meson.build b/tests/nix/libutil/unit/pool/meson.build
new file mode 100644
index 000000000000..0a666bc67eb5
--- /dev/null
+++ b/tests/nix/libutil/unit/pool/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.pool
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_pool_test = executable(
+    'libutil-pool-test',
+    install : false,
+    sources : 'pool.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-pool-test',
+    libutil_pool_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/references/meson.build b/tests/nix/libutil/unit/references/meson.build
new file mode 100644
index 000000000000..c7a11083f461
--- /dev/null
+++ b/tests/nix/libutil/unit/references/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.references
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_references_test = executable(
+    'libutil-references-test',
+    install : false,
+    sources : 'references.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-references-test',
+    libutil_references_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
diff --git a/tests/nix/libutil/unit/suggestions/meson.build b/tests/nix/libutil/unit/suggestions/meson.build
new file mode 100644
index 000000000000..e5f8f1faa7cd
--- /dev/null
+++ b/tests/nix/libutil/unit/suggestions/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.suggestions
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_suggestions_test = executable(
+    'libutil-suggestions-test',
+    install : false,
+    sources : 'suggestions.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-suggestions-test',
+    libutil_suggestions_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
\ No newline at end of file
diff --git a/tests/nix/libutil/unit/url/meson.build b/tests/nix/libutil/unit/url/meson.build
new file mode 100644
index 000000000000..9ce484be1030
--- /dev/null
+++ b/tests/nix/libutil/unit/url/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.url
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_url_test = executable(
+    'libutil-url-test',
+    install : false,
+    sources : 'url.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-url-test',
+    libutil_url_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
\ No newline at end of file
diff --git a/tests/nix/libutil/unit/xml-writer/meson.build b/tests/nix/libutil/unit/xml-writer/meson.build
new file mode 100644
index 000000000000..f1e16983de45
--- /dev/null
+++ b/tests/nix/libutil/unit/xml-writer/meson.build
@@ -0,0 +1,17 @@
+# libutil.test.xml-writer
+# ============================================================================
+
+# build test
+#---------------------------------------------------
+libutil_xml_writer_test = executable(
+    'libutil-xml-writer-test',
+    install : false,
+    sources : 'xml-writer.cc',
+    include_directories : proj_inc,
+    dependencies : libutil_tests_dep_list)
+
+test(
+    'libutil-xml-writer-test',
+    libutil_xml_writer_test,
+    protocol : 'gtest',
+    suite : ['unit', 'libutil'])
\ No newline at end of file
diff --git a/tests/nix/meson.build b/tests/nix/meson.build
new file mode 100644
index 000000000000..3c39abf97976
--- /dev/null
+++ b/tests/nix/meson.build
@@ -0,0 +1,12 @@
+# nix unit tests
+#============================================================================
+
+unit_test_dirs = [
+    'libutil',
+    'libstore',
+    # 'libexpr'
+    ]
+
+foreach dir : unit_test_dirs
+    subdir(dir)
+endforeach