nixpkgs/pkgs/development/libraries/glibc/default.nix
Vladimír Čunát 4b7215368a
glibc: fixup libm.a
Now it's not an actual archive but a linker script, and the absolute
paths in there were broken due to moving *.a into $static.
Let's fix this up in all *.a in case there are more in future.
2017-02-21 14:19:07 +01:00

140 lines
4.5 KiB
Nix

{ lib, stdenv, fetchurl, linuxHeaders
, installLocales ? true
, profilingLibraries ? false
, gccCross ? null
, withGd ? false, gd ? null, libpng ? null
}:
assert stdenv.cc.isGNU;
let
build = import ./common.nix;
cross = if gccCross != null then gccCross.target else null;
in
build cross ({
name = "glibc" + lib.optionalString withGd "-gd";
inherit lib stdenv fetchurl linuxHeaders installLocales
profilingLibraries gccCross withGd gd libpng;
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 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 = [ "stackprotector" "fortify" ];
# 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 $out/lib/libgcc_s.so
fi
'';
postInstall = ''
if test -n "$installLocales"; then
make -j''${NIX_BUILD_CORES:-1} -l''${NIX_BUILD_CORES:-1} localedata/install-locales
fi
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 $bin/bin/sln
# For some reason these aren't stripped otherwise and retain reference
# to bootstrap-tools; on cross-arm this stripping would break objects.
if [ -z "$crossConfig" ]; then
for i in "$out"/lib/*.a; do
[ "$i" = "$out/lib/libm.a" ] || strip -S "$i"
done
fi
# 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_ $bin/bin/getconf
'';
separateDebugInfo = true;
meta.description = "The GNU C Library";
}
//
(if cross != null
then {
preConfigure = ''
sed -i s/-lgcc_eh//g "../$sourceRoot/Makeconfig"
cat > config.cache << "EOF"
libc_cv_forced_unwind=yes
libc_cv_c_cleanup=yes
libc_cv_gnu89_inline=yes
# Only due to a problem in gcc configure scripts:
libc_cv_sparc64_tls=${if cross.withTLS then "yes" else "no"}
EOF
export BUILD_CC=gcc
export CC="$crossConfig-gcc"
export AR="$crossConfig-ar"
export RANLIB="$crossConfig-ranlib"
dontStrip=1
'';
preInstall = null; # clobber the native hook
separateDebugInfo = false; # this is currently broken for crossDrv
# To avoid a dependency on the build system 'bash'.
preFixup = ''
rm $bin/bin/{ldd,tzselect,catchsegv,xtrace}
'';
}
else {}))