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# 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.?
elif test -f $out/lib/ld64.so.?; then
# ppc64(le)
LD_BINARY=$out/lib/ld64.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
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