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|
{ lib, stdenv, callPackage
, withLinuxHeaders ? true
, profilingLibraries ? false
, withGd ? false
, buildPackages
}:
let
gdCflags = [
"-Wno-error=stringop-truncation"
"-Wno-error=missing-attributes"
"-Wno-error=array-bounds"
];
in
callPackage ./common.nix { inherit stdenv; } {
pname = "glibc" + lib.optionalString withGd "-gd";
inherit withLinuxHeaders profilingLibraries withGd;
# Note:
# Things you write here override, and do not add to,
# the values in `common.nix`.
# (For example, if you define `patches = [...]` here, it will
# override the patches in `common.nix`.)
NIX_NO_SELF_RPATH = true;
postConfigure = ''
# Hack: get rid of the `-static' flag set by the bootstrap stdenv.
# This has to be done *after* `configure' because it builds some
# test binaries.
export NIX_CFLAGS_LINK=
export NIX_LDFLAGS_BEFORE=
export NIX_DONT_SET_RPATH=1
unset CFLAGS
# Apparently --bindir is not respected.
makeFlagsArray+=("bindir=$bin/bin" "sbindir=$bin/sbin" "rootsbindir=$bin/sbin")
'';
# The pie, stackprotector and fortify hardening flags are autodetected by
# glibc and enabled by default if supported. Setting it for every gcc
# invocation does not work.
hardeningDisable = [ "fortify" "pie" "stackprotector" ];
NIX_CFLAGS_COMPILE = lib.concatStringsSep " "
(builtins.concatLists [
(lib.optionals withGd gdCflags)
# Fix -Werror build failure when building glibc with musl with GCC >= 8, see:
# https://github.com/NixOS/nixpkgs/pull/68244#issuecomment-544307798
(lib.optional stdenv.hostPlatform.isMusl "-Wno-error=attribute-alias")
(lib.optionals ((stdenv.hostPlatform != stdenv.buildPlatform) || stdenv.hostPlatform.isMusl) [
# Ignore "error: '__EI___errno_location' specifies less restrictive attributes than its target '__errno_location'"
# New warning as of GCC 9
# Same for musl: https://github.com/NixOS/nixpkgs/issues/78805
"-Wno-error=missing-attributes"
])
]);
# When building glibc from bootstrap-tools, we need libgcc_s at RPATH for
# any program we run, because the gcc will have been placed at a new
# store path than that determined when built (as a source for the
# bootstrap-tools tarball)
# Building from a proper gcc staying in the path where it was installed,
# libgcc_s will not be at {gcc}/lib, and gcc's libgcc will be found without
# any special hack.
preInstall = ''
if [ -f ${stdenv.cc.cc}/lib/libgcc_s.so.1 ]; then
mkdir -p $out/lib
cp ${stdenv.cc.cc}/lib/libgcc_s.so.1 $out/lib/libgcc_s.so.1
# the .so It used to be a symlink, but now it is a script
cp -a ${stdenv.cc.cc}/lib/libgcc_s.so $out/lib/libgcc_s.so
fi
'';
postInstall = (if stdenv.hostPlatform == stdenv.buildPlatform then ''
echo SUPPORTED-LOCALES=C.UTF-8/UTF-8 > ../glibc-2*/localedata/SUPPORTED
make -j''${NIX_BUILD_CORES:-1} -l''${NIX_BUILD_CORES:-1} localedata/install-locales
'' else lib.optionalString stdenv.buildPlatform.isLinux ''
# This is based on http://www.linuxfromscratch.org/lfs/view/development/chapter06/glibc.html
# Instead of using their patch to build a build-native localedef,
# we simply use the one from buildPackages
pushd ../glibc-2*/localedata
export I18NPATH=$PWD GCONV_PATH=$PWD/../iconvdata
mkdir -p $NIX_BUILD_TOP/${buildPackages.glibc}/lib/locale
${lib.getBin buildPackages.glibc}/bin/localedef \
--alias-file=../intl/locale.alias \
-i locales/C \
-f charmaps/UTF-8 \
--prefix $NIX_BUILD_TOP \
${if stdenv.hostPlatform.parsed.cpu.significantByte.name == "littleEndian" then
"--little-endian"
else
"--big-endian"} \
C.UTF-8
cp -r $NIX_BUILD_TOP/${buildPackages.glibc}/lib/locale $out/lib
popd
'') + ''
test -f $out/etc/ld.so.cache && rm $out/etc/ld.so.cache
if test -n "$linuxHeaders"; then
# Include the Linux kernel headers in Glibc, except the `scsi'
# subdirectory, which Glibc provides itself.
(cd $dev/include && \
ln -sv $(ls -d $linuxHeaders/include/* | grep -v scsi\$) .)
fi
# Fix for NIXOS-54 (ldd not working on x86_64). Make a symlink
# "lib64" to "lib".
if test -n "$is64bit"; then
ln -s lib $out/lib64
fi
# Get rid of more unnecessary stuff.
rm -rf $out/var $bin/bin/sln
# Backwards-compatibility to fix e.g.
# "configure: error: Pthreads are required to build libgomp" during `gcc`-build
# because it's not actually needed anymore to link against `pthreads` since
# it's now part of `libc.so.6` itself, but the gcc build breaks if
# this doesn't work.
ln -sf $out/lib/libpthread.so.0 $out/lib/libpthread.so
ln -sf $out/lib/librt.so.1 $out/lib/librt.so
ln -sf $out/lib/libdl.so.2 $out/lib/libdl.so
ln -sf $out/lib/libutil.so.1 $out/lib/libutil.so
touch $out/lib/libpthread.a
''
# For some reason these aren't stripped otherwise and retain reference
# to bootstrap-tools; on cross-arm this stripping would break objects.
+ lib.optionalString (stdenv.hostPlatform == stdenv.buildPlatform) ''
for i in "$out"/lib/*.a; do
[ "$i" = "$out/lib/libm.a" ] || $STRIP -S "$i"
done
'' + ''
# Put libraries for static linking in a separate output. Note
# that libc_nonshared.a and libpthread_nonshared.a are required
# for dynamically-linked applications.
mkdir -p $static/lib
mv $out/lib/*.a $static/lib
mv $static/lib/lib*_nonshared.a $out/lib
# Some of *.a files are linker scripts where moving broke the paths.
sed "/^GROUP/s|$out/lib/lib|$static/lib/lib|g" \
-i "$static"/lib/*.a
# Work around a Nix bug: hard links across outputs cause a build failure.
cp $bin/bin/getconf $bin/bin/getconf_
mv $bin/bin/getconf_ $bin/bin/getconf
'';
separateDebugInfo = true;
meta.description = "The GNU C Library";
}
|