nixpkgs/pkgs/stdenv/linux/bootstrap-tools/scripts/unpack-bootstrap-tools.sh
John Ericson 7960a1b1b8 linux stdenv: Avoid assert false
On one hand, don't want to pass garbage that affects hash, on the other
hand footguns are bad.

Now, factored out the derivation so only need to pass in what is used.
2016-12-15 17:09:29 -05:00

64 lines
1.9 KiB
Bash

# Unpack the bootstrap tools tarball.
echo Unpacking the bootstrap tools...
$builder mkdir $out
< $tarball $builder unxz | $builder tar x -C $out
# 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/* $out/libexec/gcc/*/*/*; do
if [ -L "$i" ]; then continue; fi
if [ -z "${i##*/liblto*}" ]; then continue; fi
echo patching "$i"
LD_LIBRARY_PATH=$out/lib $LD_BINARY \
./patchelf --set-interpreter $LD_BINARY --set-rpath $out/lib --force-rpath "$i"
done
for i in $out/lib/librt-*.so $out/lib/libpcre*; do
if [ -L "$i" ]; then continue; fi
echo patching "$i"
$out/bin/patchelf --set-rpath $out/lib --force-rpath "$i"
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
# 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
# Provide xz (actually only xz -d will work).
echo "#! $out/bin/sh" > $out/bin/xz
echo "exec $builder unxz \"\$@\"" >> $out/bin/xz
chmod +x $out/bin/egrep $out/bin/fgrep $out/bin/xz