Use git-external to install Pkg during build.

Makefile

@@ -59,6 +59,9 @@ endif
 julia-deps: | $(DIRS) $(build_datarootdir)/julia/base $(build_datarootdir)/julia/test $(build_defaultpkgdir)
  @$(MAKE) $(QUIET_MAKE) -C $(BUILDROOT)/deps
 
+julia-stdlib:
+ @$(MAKE) $(QUIET_MAKE) -C $(BUILDROOT)/stdlib
+
 julia-base: julia-deps $(build_sysconfdir)/julia/startup.jl $(build_man1dir)/julia.1 $(build_datarootdir)/julia/julia-config.jl
  @$(MAKE) $(QUIET_MAKE) -C $(BUILDROOT)/base
 
@@ -74,10 +77,10 @@ julia-ui-release julia-ui-debug : julia-ui-% : julia-src-%
 julia-sysimg : julia-base julia-ui-$(JULIA_BUILD_MODE)
  @$(MAKE) $(QUIET_MAKE) -C $(BUILDROOT) $(build_private_libdir)/sys.ji JULIA_EXECUTABLE='$(JULIA_EXECUTABLE)'
 
-julia-sysimg-release : julia-sysimg julia-ui-release
+julia-sysimg-release : julia-stdlib julia-sysimg julia-ui-release
  @$(MAKE) $(QUIET_MAKE) -C $(BUILDROOT) $(build_private_libdir)/sys.$(SHLIB_EXT)
 
-julia-sysimg-debug : julia-sysimg julia-ui-debug
+julia-sysimg-debug : julia-stdlib julia-sysimg julia-ui-debug
  @$(MAKE) $(QUIET_MAKE) -C $(BUILDROOT) $(build_private_libdir)/sys-debug.$(SHLIB_EXT)
 
 julia-debug julia-release : julia-% : julia-ui-% julia-sysimg-% julia-symlink julia-libccalltest julia-base-cache
@@ -543,6 +546,7 @@ clean: | $(CLEAN_TARGETS)
  @-$(MAKE) -C $(BUILDROOT)/src clean
  @-$(MAKE) -C $(BUILDROOT)/ui clean
  @-$(MAKE) -C $(BUILDROOT)/test clean
+ @-$(MAKE) -C $(BUILDROOT)/stdlib clean-pkg
  -rm -f $(BUILDROOT)/julia
  -rm -f $(BUILDROOT)/*.tar.gz
  -rm -f $(build_depsbindir)/stringreplace \

deps/checksums/Pkg-a93be66e169ea16c3b1585ed5c9696bd40121030.tar.gz/md5

@@ -0,0 +1 @@
+26e8969718332693a53a3c752024caf0

deps/checksums/Pkg-a93be66e169ea16c3b1585ed5c9696bd40121030.tar.gz/sha512

@@ -0,0 +1 @@
+eed29d96cb09b5e4a8bb0e7802bd5c0a1e7d30c792d52e82f0727194a0c8f992fe7aef690961acf873a44d48560d67fa2be2a69ac771d8d90fe241e032d03995

stdlib/.gitignore

@@ -0,0 +1,2 @@
+/srccache
+/Pkg

stdlib/Makefile

@@ -0,0 +1,24 @@
+default: Pkg
+SRCDIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))
+JULIAHOME := $(abspath $(SRCDIR)/..)
+SRCCACHE := $(abspath $(SRCDIR)/srccache)
+BUILDDIR := $(SRCCACHE)
+
+include $(JULIAHOME)/Make.inc
+include $(JULIAHOME)/deps/tools/common.mk
+include $(JULIAHOME)/deps/tools/git-external.mk
+
+PKG := https://github.com/JuliaLang/Pkg.jl
+PKG_TAR_URL = https://api.github.com/repos/JuliaLang/Pkg.jl/tarball/$1
+$(eval $(call git-external,Pkg,PKG,,,$(BUILDDIR)))
+
+extract-pkg: $(BUILDDIR)/$(PKG_SRC_DIR)/source-extracted
+Pkg: $(BUILDDIR)/$(PKG_SRC_DIR)/source-extracted
+ rm -rf $@
+ cp -r $(BUILDDIR)/$(PKG_SRC_DIR) $@
+get-pkg: Pkg
+clean-pkg:
+ -rm -rf Pkg
+ -rm -rf $(BUILDDIR)/$(PKG_SRC_DIR)
+
+.PHONY: default extract-pkg Pkg get-pkg clean-pkg

stdlib/Pkg.version

@@ -0,0 +1,2 @@
+PKG_BRANCH = master
+PKG_SHA1 = a93be66e169ea16c3b1585ed5c9696bd40121030

test/choosetests.jl

@@ -3,7 +3,7 @@
 using Random, Sockets
 
 const STDLIB_DIR = joinpath(Sys.BINDIR, "..", "share", "julia", "stdlib", "v$(VERSION.major).$(VERSION.minor)")
-const STDLIBS = filter!(x -> isdir(joinpath(STDLIB_DIR, x)), readdir(STDLIB_DIR))
+const STDLIBS = filter!(x -> isfile(joinpath(STDLIB_DIR, x, "src", "$(x).jl")), readdir(STDLIB_DIR))
 
 """