Fix: Enable use of subproject httplib in macOS despite nofallback

bldscripts/nfbmesbuild.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+#
+# SPDX-FileCopyrightText: 2024 Duncan Greatwood
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+# Execute this script from the parent directory by invoking:
+#   bldscripts/nfbmesbuild.sh
+
+# Does the same as mesbuild.sh except with the --wrap-mode=nofallback
+# option set
+
+MY_SCRIPT_DIR="$(cd -P "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+source $MY_SCRIPT_DIR/helpers/messetdirvars.sh
+source $MY_SCRIPT_DIR/helpers/adjbuilddirformesbuild.sh
+
+MESON_BUILD_DIR="$MESON_BUILD_DIR.nfb"
+
+if [ -e "${MESON_BUILD_DIR}" ]
+then
+    echo "Using existing build dir ${MESON_BUILD_DIR}"
+else
+    meson setup ${MESON_BUILD_DIR} \
+    --wrap-mode=nofallback \
+    --buildtype=release \
+    -DPISTACHE_USE_SSL=true \
+    -DPISTACHE_BUILD_EXAMPLES=true \
+    -DPISTACHE_BUILD_TESTS=true \
+    -DPISTACHE_BUILD_DOCS=false \
+    -DPISTACHE_USE_CONTENT_ENCODING_DEFLATE=true \
+    -DPISTACHE_USE_CONTENT_ENCODING_BROTLI=true \
+    -DPISTACHE_USE_CONTENT_ENCODING_ZSTD=true \
+    --prefix="${MESON_PREFIX_DIR}"
+fi
+
+meson compile -C ${MESON_BUILD_DIR}

tests/meson.build

@@ -5,7 +5,26 @@
 curl_dep = dependency('libcurl')
 gtest_main_dep = dependency('gtest', main: true, fallback: ['gtest', 'gtest_main_dep'])
 gmock_dep = dependency('gmock', version: '>=1.11.0', fallback: ['gtest', 'gmock_dep'])
-cpp_httplib_dep = dependency('cpp-httplib', fallback: ['cpp-httplib', 'cpp_httplib_dep'])
+
+# On macOS, meson doesn't seem to find cpp-httplib even when
+# cpp-httplib has been installed in the system (i.e. even when
+# cpp-httplib has been installed with brew); I don't know why. This
+# causes a particular issue with Pistache's brew formula, since brew's
+# "std_meson_args", used by the formula, includes
+# "--wrap-mode=nofallback", preventing meson from using our httplib
+# subproject as a fallback (brew wants us to use brew to install each
+# dependency, in preference to using a subproject). We workaround the
+# issue here by effectively doing the fallback to the cpp-httplib
+# subproject without using meson dependency's "fallback:" option.
+if host_machine.system() == 'darwin' and get_option('wrap_mode') == 'nofallback'
+    cpp_httplib_dep = dependency('cpp-httplib', required: false)
+    if not cpp_httplib_dep.found()
+        cpp_httplib_dep = subproject('cpp-httplib').get_variable('cpp_httplib_dep')
+    endif
+else
+    cpp_httplib_dep = dependency('cpp-httplib', fallback: ['cpp-httplib', 'cpp_httplib_dep'])
+endif
+
 brotli_dep = dependency('', required: false)
 zstd_dep = dependency('', required: false)
 

version.txt

@@ -1 +1 @@
-0.4.23.20241204
+0.4.24.20241212