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nixpkgs/pkgs/stdenv/darwin/make-bootstrap-tools.nix
Dan Peebles 110c252870 cctools: support LTO on Darwin
LTO is disabled during bootstrap to keep the bootstrap tools small and
avoid unnecessary LLVM rebuilds, but is enabled in the final stdenv
stage and should be usable by normal packages.
2018-09-16 02:12:11 -04:00

353 lines
12 KiB
Nix

{ pkgspath ? ../../.., test-pkgspath ? pkgspath, system ? builtins.currentSystem }:
with import pkgspath { inherit system; };
let
llvmPackages = llvmPackages_5;
in rec {
coreutils_ = coreutils.override (args: {
# We want coreutils without ACL support.
aclSupport = false;
# Cannot use a single binary build, or it gets dynamically linked against gmp.
singleBinary = false;
});
# We want a version of cctools without LLVM, because the LTO support ends up making
# the bootstrap tools huge and isn't really necessary for bootstrap
cctools_ = darwin.cctools.override { llvm = null; };
# Avoid debugging larger changes for now.
bzip2_ = bzip2.override (args: { linkStatic = true; });
# Avoid messing with libkrb5 and libnghttp2.
curl_ = curl.override (args: { gssSupport = false; http2Support = false; });
build = stdenv.mkDerivation {
name = "stdenv-bootstrap-tools";
buildInputs = [nukeReferences cpio];
buildCommand = ''
mkdir -p $out/bin $out/lib $out/lib/system
# We're not going to bundle the actual libSystem.dylib; instead we reconstruct it on
# the other side. See the notes in stdenv/darwin/default.nix for more information.
# We also need the .o files for various low-level boot stuff.
cp -d ${darwin.Libsystem}/lib/*.o $out/lib
cp -d ${darwin.Libsystem}/lib/system/*.dylib $out/lib/system
# Resolv is actually a link to another package, so let's copy it properly
cp -L ${darwin.Libsystem}/lib/libresolv.9.dylib $out/lib
cp -rL ${darwin.Libsystem}/include $out
chmod -R u+w $out/include
cp -rL ${darwin.ICU}/include* $out/include
cp -rL ${libiconv}/include/* $out/include
cp -rL ${gnugrep.pcre.dev}/include/* $out/include
mv $out/include $out/include-Libsystem
# Copy coreutils, bash, etc.
cp ${coreutils_}/bin/* $out/bin
(cd $out/bin && rm vdir dir sha*sum pinky factor pathchk runcon shuf who whoami shred users)
cp ${bash}/bin/bash $out/bin
cp ${findutils}/bin/find $out/bin
cp ${findutils}/bin/xargs $out/bin
cp -d ${diffutils}/bin/* $out/bin
cp -d ${gnused}/bin/* $out/bin
cp -d ${gnugrep}/bin/grep $out/bin
cp ${gawk}/bin/gawk $out/bin
cp -d ${gawk}/bin/awk $out/bin
cp ${gnutar}/bin/tar $out/bin
cp ${gzip}/bin/gzip $out/bin
cp ${bzip2_.bin}/bin/bzip2 $out/bin
cp -d ${gnumake}/bin/* $out/bin
cp -d ${patch}/bin/* $out/bin
cp -d ${xz.bin}/bin/xz $out/bin
# This used to be in-nixpkgs, but now is in the bundle
# because I can't be bothered to make it partially static
cp ${curl_.bin}/bin/curl $out/bin
cp -d ${curl_.out}/lib/libcurl*.dylib $out/lib
cp -d ${libssh2.out}/lib/libssh*.dylib $out/lib
cp -d ${openssl.out}/lib/*.dylib $out/lib
cp -d ${gnugrep.pcre.out}/lib/libpcre*.dylib $out/lib
cp -d ${lib.getLib libiconv}/lib/lib*.dylib $out/lib
cp -d ${gettext}/lib/libintl*.dylib $out/lib
chmod +x $out/lib/libintl*.dylib
cp -d ${ncurses.out}/lib/libncurses*.dylib $out/lib
cp -d ${libxml2.out}/lib/libxml2*.dylib $out/lib
# Copy what we need of clang
cp -d ${llvmPackages.clang-unwrapped}/bin/clang $out/bin
cp -d ${llvmPackages.clang-unwrapped}/bin/clang++ $out/bin
cp -d ${llvmPackages.clang-unwrapped}/bin/clang-[0-9].[0-9] $out/bin
cp -rL ${llvmPackages.clang-unwrapped}/lib/clang $out/lib
cp -d ${llvmPackages.libcxx}/lib/libc++*.dylib $out/lib
cp -d ${llvmPackages.libcxxabi}/lib/libc++abi*.dylib $out/lib
mkdir $out/include
cp -rd ${llvmPackages.libcxx}/include/c++ $out/include
cp -d ${darwin.ICU}/lib/libicu*.dylib $out/lib
cp -d ${zlib.out}/lib/libz.* $out/lib
cp -d ${gmpxx.out}/lib/libgmp*.* $out/lib
cp -d ${xz.out}/lib/liblzma*.* $out/lib
# Copy binutils.
for i in as ld ar ranlib nm strip otool install_name_tool dsymutil lipo; do
cp ${cctools_}/bin/$i $out/bin
done
cp -rd ${pkgs.darwin.CF}/Library $out
chmod -R u+w $out
nuke-refs $out/bin/*
rpathify() {
local libs=$(${cctools_}/bin/otool -L "$1" | tail -n +2 | grep -o "$NIX_STORE.*-\S*") || true
for lib in $libs; do
${cctools_}/bin/install_name_tool -change $lib "@rpath/$(basename $lib)" "$1"
done
}
# Strip executables even further
for i in $out/bin/*; do
if test -x $i -a ! -L $i; then
chmod +w $i
strip $i || true
fi
done
for i in $out/bin/* $out/lib/*.dylib $out/lib/clang/*/lib/darwin/*.dylib $out/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation; do
if test -x "$i" -a ! -L "$i"; then
echo "Adding rpath to $i"
rpathify $i
fi
done
nuke-refs $out/lib/*
nuke-refs $out/lib/system/*
nuke-refs $out/lib/clang/*/lib/darwin/*
nuke-refs $out/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
mkdir $out/.pack
mv $out/* $out/.pack
mv $out/.pack $out/pack
mkdir $out/on-server
cp ${stdenv.shell} $out/on-server/sh
cp ${cpio}/bin/cpio $out/on-server
cp ${coreutils_}/bin/mkdir $out/on-server
cp ${bzip2_.bin}/bin/bzip2 $out/on-server
chmod u+w $out/on-server/*
strip $out/on-server/*
nuke-refs $out/on-server/*
(cd $out/pack && (find | cpio -o -H newc)) | bzip2 > $out/on-server/bootstrap-tools.cpio.bz2
'';
allowedReferences = [];
meta = {
maintainers = [ stdenv.lib.maintainers.copumpkin ];
};
};
dist = stdenv.mkDerivation {
name = "stdenv-bootstrap-tools";
buildCommand = ''
mkdir -p $out/nix-support
echo "file tarball ${build}/on-server/bootstrap-tools.cpio.bz2" >> $out/nix-support/hydra-build-products
echo "file sh ${build}/on-server/sh" >> $out/nix-support/hydra-build-products
echo "file cpio ${build}/on-server/cpio" >> $out/nix-support/hydra-build-products
echo "file mkdir ${build}/on-server/mkdir" >> $out/nix-support/hydra-build-products
echo "file bzip2 ${build}/on-server/bzip2" >> $out/nix-support/hydra-build-products
'';
};
bootstrapFiles = {
sh = "${build}/on-server/sh";
bzip2 = "${build}/on-server/bzip2";
mkdir = "${build}/on-server/mkdir";
cpio = "${build}/on-server/cpio";
tarball = "${build}/on-server/bootstrap-tools.cpio.bz2";
};
unpack = stdenv.mkDerivation (bootstrapFiles // {
name = "unpack";
reexportedLibrariesFile =
../../os-specific/darwin/apple-source-releases/Libsystem/reexported_libraries;
# This is by necessity a near-duplicate of unpack-bootstrap-tools.sh. If we refer to it directly,
# we can't make any changes to it due to our testing stdenv depending on it. Think of this as the
# unpack-bootstrap-tools.sh for the next round of bootstrap tools.
# TODO: think through alternate designs, such as hosting this script as an output of the process.
buildCommand = ''
# Unpack the bootstrap tools tarball.
echo Unpacking the bootstrap tools...
$mkdir $out
$bzip2 -d < $tarball | (cd $out && $cpio -i)
# Set the ELF interpreter / RPATH in the bootstrap binaries.
echo Patching the tools...
export PATH=$out/bin
for i in $out/bin/*; do
if ! test -L $i; then
echo patching $i
install_name_tool -add_rpath $out/lib $i || true
fi
done
install_name_tool \
-id $out/lib/system/libsystem_c.dylib \
$out/lib/system/libsystem_c.dylib
install_name_tool \
-id $out/lib/system/libsystem_kernel.dylib \
$out/lib/system/libsystem_kernel.dylib
# TODO: this logic basically duplicates similar logic in the Libsystem expression. Deduplicate them!
libs=$(cat $reexportedLibrariesFile | 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 \
$args
ln -s libSystem.B.dylib $out/lib/libSystem.dylib
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
ln -s libresolv.9.dylib $out/lib/libresolv.dylib
for i in $out/lib/*.dylib $out/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation; do
if test ! -L "$i" -a "$i" != "$out/lib/libSystem*.dylib"; then
echo "Patching $i"
id=$(otool -D "$i" | tail -n 1)
install_name_tool -id "$(dirname $i)/$(basename $id)" $i
libs=$(otool -L "$i" | tail -n +2 | grep -v libSystem | cat)
if [ -n "$libs" ]; then
install_name_tool -add_rpath $out/lib $i
fi
fi
done
ln -s bash $out/bin/sh
ln -s bzip2 $out/bin/bunzip2
# Provide a gunzip script.
cat > $out/bin/gunzip <<EOF
#!$out/bin/sh
exec $out/bin/gzip -d "\$@"
EOF
chmod +x $out/bin/gunzip
# Provide fgrep/egrep.
echo "#! $out/bin/sh" > $out/bin/egrep
echo "exec $out/bin/grep -E \"\$@\"" >> $out/bin/egrep
echo "#! $out/bin/sh" > $out/bin/fgrep
echo "exec $out/bin/grep -F \"\$@\"" >> $out/bin/fgrep
cat >$out/bin/dsymutil << EOF
#!$out/bin/sh
EOF
chmod +x $out/bin/egrep $out/bin/fgrep $out/bin/dsymutil
'';
allowedReferences = [ "out" ];
});
test = stdenv.mkDerivation {
name = "test";
realBuilder = "${unpack}/bin/bash";
buildCommand = ''
export PATH=${unpack}/bin
ls -l
mkdir $out
mkdir $out/bin
sed --version
find --version
diff --version
patch --version
make --version
awk --version
grep --version
clang --version
xz --version
# The grep will return a nonzero exit code if there is no match, and we want to assert that we have
# an SSL-capable curl
curl --version | grep SSL
${build}/on-server/sh -c 'echo Hello World'
export flags="-idirafter ${unpack}/include-Libsystem --sysroot=${unpack} -L${unpack}/lib"
export CPP="clang -E $flags"
export CC="clang $flags -Wl,-rpath,${unpack}/lib -Wl,-v -Wl,-sdk_version,10.10"
export CXX="clang++ $flags --stdlib=libc++ -lc++abi -isystem${unpack}/include/c++/v1 -Wl,-rpath,${unpack}/lib -Wl,-v -Wl,-sdk_version,10.10"
echo '#include <stdio.h>' >> foo.c
echo '#include <float.h>' >> foo.c
echo '#include <limits.h>' >> foo.c
echo 'int main() { printf("Hello World\n"); return 0; }' >> foo.c
$CC -o $out/bin/foo foo.c
$out/bin/foo
echo '#include <CoreFoundation/CoreFoundation.h>' >> bar.c
echo 'int main() { CFShow(CFSTR("Hullo")); return 0; }' >> bar.c
$CC -F${unpack}/Library/Frameworks -framework CoreFoundation -o $out/bin/bar bar.c
$out/bin/bar
echo '#include <iostream>' >> bar.cc
echo 'int main() { std::cout << "Hello World\n"; }' >> bar.cc
$CXX -v -o $out/bin/bar bar.cc
$out/bin/bar
tar xvf ${hello.src}
cd hello-*
./configure --prefix=$out
make
make install
$out/bin/hello
'';
};
# The ultimate test: bootstrap a whole stdenv from the tools specified above and get a package set out of it
test-pkgs = import test-pkgspath {
inherit system;
stdenvStages = args: let
args' = args // { inherit bootstrapFiles; };
in (import (test-pkgspath + "/pkgs/stdenv/darwin") args').stagesDarwin;
};
}