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{ stdenv, appleDerivation, cpio, bootstrap_cmds, xnu, Libc, Libm, libdispatch, cctools, Libinfo,
dyld, Csu, architecture, libclosure, CarbonHeaders, ncurses, CommonCrypto, copyfile,
removefile, libresolv, Libnotify, libpthread, mDNSResponder, launchd, version }:
appleDerivation rec {
phases = [ "unpackPhase" "installPhase" ];
buildInputs = [ cpio libpthread ];
systemlibs = [ "cache"
"commonCrypto"
"compiler_rt"
"copyfile"
"corecrypto"
"dispatch"
"dyld"
"keymgr"
"kxld"
"launch"
"macho"
"quarantine"
"removefile"
"system_asl"
"system_blocks"
# "system_c" # special re-export here to hide newer functions
"system_configuration"
"system_dnssd"
"system_info"
# "system_kernel" # special re-export here to hide newer functions
"system_m"
"system_malloc"
"system_network"
"system_notify"
"system_platform"
"system_pthread"
"system_sandbox"
"system_stats"
"unc"
"unwind"
"xpc"
];
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 ${Libc} ${Libm} ${Libinfo} ${dyld} ${architecture} ${libclosure} ${CarbonHeaders} \
${libdispatch} ${ncurses} ${CommonCrypto} ${copyfile} ${removefile} ${libresolv} \
${Libnotify} ${mDNSResponder} ${launchd}; do
(cd $dep/include && find . -name '*.h' | cpio -pdm $out/include)
done
(cd ${cctools}/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
# selectively re-export functions from libsystem_c and libsystem_kernel
# to provide a consistent interface across OSX verions
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}
# Set up the actual library link
clang -c -o CompatibilityHacks.o -Os CompatibilityHacks.c
clang -c -o init.o -Os init.c
ld -macosx_version_min 10.7 \
-arch x86_64 \
-dylib \
-o $out/lib/libSystem.dylib \
CompatibilityHacks.o init.o \
-compatibility_version 1.0 \
-current_version ${version} \
-reexport_library $out/lib/system/libsystem_c.dylib \
-reexport_library $out/lib/system/libsystem_kernel.dylib \
${stdenv.lib.concatStringsSep " "
(map (l: "-reexport_library /usr/lib/system/lib${l}.dylib") systemlibs)}
# 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 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 \
-delete_rpath ${libresolv}/lib \
$out/lib/libresolv.9.dylib
ln -s libresolv.9.dylib $out/lib/libresolv.dylib
otool -L $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;
};
}
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