nixpkgs/pkgs/stdenv/linux/scripts/unpack-bootstrap-tools.sh

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set -e
# 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 bootstrap tools...
if test -f $out/lib/ld.so.?; then
# MIPS case
LD_BINARY=$out/lib/ld.so.?
else
# i686, x86_64 and armv5tel
LD_BINARY=$out/lib/ld-*so.?
fi
# On x86_64, ld-linux-x86-64.so.2 barfs on patchelf'ed programs. So
# use a copy of patchelf.
LD_LIBRARY_PATH=$out/lib $LD_BINARY $out/bin/cp $out/bin/patchelf .
for i in $out/bin/* $out/libexec/gcc/*/*/*; do
echo patching $i
if ! test -L $i; then
LD_LIBRARY_PATH=$out/lib $LD_BINARY \
$out/bin/patchelf --set-interpreter $LD_BINARY --set-rpath $out/lib --force-rpath $i
LD_LIBRARY_PATH=$out/lib $LD_BINARY \
$out/bin/patchelf --set-interpreter $LD_BINARY --set-rpath $out/lib --force-rpath $i
fi
done
for i in $out/lib/librt* ; do
echo patching $i
if ! test -L $i; then
LD_LIBRARY_PATH=$out/lib $LD_BINARY \
$out/bin/patchelf --set-interpreter $LD_BINARY --set-rpath $out/lib --force-rpath $i
LD_LIBRARY_PATH=$out/lib $LD_BINARY \
$out/bin/patchelf --set-interpreter $LD_BINARY --set-rpath $out/lib --force-rpath $i
fi
done
for i in $out/lib/libgmp* $out/lib/libppl* $out/lib/libcloog* $out/lib/libmpc* $out/lib/libpcre* $out/lib/libstdc++*.so.*[0-9]; do
echo trying to patch $i
if test -f $i -a ! -L $i; then
LD_LIBRARY_PATH=$out/lib $LD_BINARY \
$out/bin/patchelf --set-rpath $out/lib --force-rpath $i
LD_LIBRARY_PATH=$out/lib $LD_BINARY \
$out/bin/patchelf --set-rpath $out/lib --force-rpath $i
fi
done
# Fix the libc linker script.
export PATH=$out/bin
cat $out/lib/libc.so | sed "s|/nix/store/e*-[^/]*/|$out/|g" > $out/lib/libc.so.tmp
mv $out/lib/libc.so.tmp $out/lib/libc.so
cat $out/lib/libpthread.so | sed "s|/nix/store/e*-[^/]*/|$out/|g" > $out/lib/libpthread.so.tmp
mv $out/lib/libpthread.so.tmp $out/lib/libpthread.so
# Provide some additional symlinks.
ln -s bash $out/bin/sh
ln -s bzip2 $out/bin/bunzip2
# Mimic the gunzip script as in gzip installations
cat > $out/bin/gunzip <<EOF
#!$out/bin/sh
exec $out/bin/gzip -d "\$@"
EOF
chmod +x $out/bin/gunzip
# fetchurl needs curl.
bzip2 -d < $curl > $out/bin/curl
chmod +x $out/bin/curl