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nixpkgs/pkgs/os-specific/darwin/apple-source-releases/Libsystem/default.nix
Matthew Bauer 326d0bf2aa darwin.libSystem: cleanup
We don’t want to rely on a certain output so just use ‘getDev’ so Nix
will choose the right output for us.
2018-05-12 10:03:48 -05:00

132 lines
5.3 KiB
Nix

{ stdenv, appleDerivation, cpio, bootstrap_cmds, xnu, Libc, Libm, libdispatch, cctools, Libinfo,
dyld, Csu, architecture, libclosure, CarbonHeaders, ncurses, CommonCrypto, copyfile,
removefile, libresolv, Libnotify, libplatform, libpthread, mDNSResponder, launchd, libutil, version }:
appleDerivation rec {
nativeBuildInputs = [ cpio ];
outputs = [ "out" "dev" ];
bundledHeaders = map stdenv.lib.getDev [ Libc Libm Libinfo dyld architecture
libclosure CarbonHeaders libdispatch
ncurses CommonCrypto copyfile
removefile libresolv Libnotify
libplatform mDNSResponder launchd
libutil libpthread ];
installPhase = ''
export NIX_ENFORCE_PURITY=
mkdir -p $out/lib $out/include
# Set up our include directories
(cd ${xnu}/include && find . -name '*.h' -or -name '*.defs' | cpio -pdm $out/include)
cp ${xnu}/Library/Frameworks/Kernel.framework/Versions/A/Headers/Availability*.h $out/include
cp ${xnu}/Library/Frameworks/Kernel.framework/Versions/A/Headers/stdarg.h $out/include
for dep in $bundledHeaders; do
(cd $dep/include && find . -name '*.h' | cpio -pdm $out/include)
done
(cd ${cctools.dev}/include/mach-o && find . -name '*.h' | cpio -pdm $out/include/mach-o)
cat <<EOF > $out/include/TargetConditionals.h
#ifndef __TARGETCONDITIONALS__
#define __TARGETCONDITIONALS__
#define TARGET_OS_MAC 1
#define TARGET_OS_WIN32 0
#define TARGET_OS_UNIX 0
#define TARGET_OS_EMBEDDED 0
#define TARGET_OS_IPHONE 0
#define TARGET_IPHONE_SIMULATOR 0
#define TARGET_OS_LINUX 0
#define TARGET_CPU_PPC 0
#define TARGET_CPU_PPC64 0
#define TARGET_CPU_68K 0
#define TARGET_CPU_X86 0
#define TARGET_CPU_X86_64 1
#define TARGET_CPU_ARM 0
#define TARGET_CPU_MIPS 0
#define TARGET_CPU_SPARC 0
#define TARGET_CPU_ALPHA 0
#define TARGET_RT_MAC_CFM 0
#define TARGET_RT_MAC_MACHO 1
#define TARGET_RT_LITTLE_ENDIAN 1
#define TARGET_RT_BIG_ENDIAN 0
#define TARGET_RT_64_BIT 1
#endif /* __TARGETCONDITIONALS__ */
EOF
# The startup object files
cp ${Csu}/lib/* $out/lib
# We can't re-exported libsystem_c and libsystem_kernel directly,
# so we link against the central library here.
mkdir -p $out/lib/system
ld -macosx_version_min 10.7 -arch x86_64 -dylib \
-o $out/lib/system/libsystem_c.dylib \
/usr/lib/libSystem.dylib \
-reexported_symbols_list ${./system_c_symbols}
ld -macosx_version_min 10.7 -arch x86_64 -dylib \
-o $out/lib/system/libsystem_kernel.dylib \
/usr/lib/libSystem.dylib \
-reexported_symbols_list ${./system_kernel_symbols}
# The umbrella libSystem also exports some symbols,
# but we don't want to pull in everything from the other libraries.
ld -macosx_version_min 10.7 -arch x86_64 -dylib \
-o $out/lib/libSystem_internal.dylib \
/usr/lib/libSystem.dylib \
-reexported_symbols_list ${./system_symbols}
# We used to determine these impurely based on the host system, but then when we got some 10.12 Hydra boxes,
# one of them accidentally built this derivation, referenced libsystem_symptoms.dylib, which doesn't exist on
# 10.11, and then broke all subsequent builds on 10.11. By picking a 10.11 compatible subset of the libraries,
# we avoid scary impurity issues like that.
libs=$(cat ${./reexported_libraries} | grep -v '^#')
for i in $libs; do
if [ "$i" != "/usr/lib/system/libsystem_kernel.dylib" ] && [ "$i" != "/usr/lib/system/libsystem_c.dylib" ]; then
args="$args -reexport_library $i"
fi
done
ld -macosx_version_min 10.7 -arch x86_64 -dylib \
-o $out/lib/libSystem.B.dylib \
-compatibility_version 1.0 \
-current_version 1226.10.1 \
-reexport_library $out/lib/system/libsystem_c.dylib \
-reexport_library $out/lib/system/libsystem_kernel.dylib \
-reexport_library $out/lib/libSystem_internal.dylib \
$args
ln -s libSystem.B.dylib $out/lib/libSystem.dylib
# Set up links to pretend we work like a conventional unix (Apple's design, not mine!)
for name in c dbm dl info m mx poll proc pthread rpcsvc util gcc_s.10.4 gcc_s.10.5; do
ln -s libSystem.dylib $out/lib/lib$name.dylib
done
# This probably doesn't belong here, but we want to stay similar to glibc, which includes resolv internally...
cp ${libresolv}/lib/libresolv.9.dylib $out/lib/libresolv.9.dylib
resolv_libSystem=$(otool -L "$out/lib/libresolv.9.dylib" | tail -n +3 | grep -o "$NIX_STORE.*-\S*") || true
echo $libs
chmod +w $out/lib/libresolv.9.dylib
install_name_tool \
-id $out/lib/libresolv.9.dylib \
-change "$resolv_libSystem" $out/lib/libSystem.dylib \
$out/lib/libresolv.9.dylib
ln -s libresolv.9.dylib $out/lib/libresolv.dylib
'';
meta = with stdenv.lib; {
description = "The Mac OS libc/libSystem (impure symlinks to binaries with pure headers)";
maintainers = with maintainers; [ copumpkin gridaphobe ];
platforms = platforms.darwin;
license = licenses.apsl20;
};
}