1# Unpack the bootstrap tools tarball.
2echo Unpacking the bootstrap tools...
3$builder mkdir $out
4< $tarball $builder unxz | $builder tar x -C $out
5
6# Set the ELF interpreter / RPATH in the bootstrap binaries.
7echo Patching the bootstrap tools...
8
9if test -f $out/lib/ld.so.?; then
10 # MIPS case
11 LD_BINARY=$out/lib/ld.so.?
12else
13 # i686, x86_64 and armv5tel
14 LD_BINARY=$out/lib/ld-*so.?
15fi
16
17# On x86_64, ld-linux-x86-64.so.2 barfs on patchelf'ed programs. So
18# use a copy of patchelf.
19LD_LIBRARY_PATH=$out/lib $LD_BINARY $out/bin/cp $out/bin/patchelf .
20
21for i in $out/bin/* $out/libexec/gcc/*/*/*; do
22 if [ -L "$i" ]; then continue; fi
23 if [ -z "${i##*/liblto*}" ]; then continue; fi
24 echo patching "$i"
25 LD_LIBRARY_PATH=$out/lib $LD_BINARY \
26 $out/bin/patchelf --set-interpreter $LD_BINARY --set-rpath $out/lib --force-rpath "$i"
27done
28
29for i in $out/lib/librt-*.so $out/lib/libpcre*; do
30 if [ -L "$i" ]; then continue; fi
31 echo patching "$i"
32 $out/bin/patchelf --set-rpath $out/lib --force-rpath "$i"
33done
34
35# Fix the libc linker script.
36export PATH=$out/bin
37cat $out/lib/libc.so | sed "s|/nix/store/e*-[^/]*/|$out/|g" > $out/lib/libc.so.tmp
38mv $out/lib/libc.so.tmp $out/lib/libc.so
39cat $out/lib/libpthread.so | sed "s|/nix/store/e*-[^/]*/|$out/|g" > $out/lib/libpthread.so.tmp
40mv $out/lib/libpthread.so.tmp $out/lib/libpthread.so
41
42# Provide some additional symlinks.
43ln -s bash $out/bin/sh
44ln -s bzip2 $out/bin/bunzip2
45
46# Provide a gunzip script.
47cat > $out/bin/gunzip <<EOF
48#!$out/bin/sh
49exec $out/bin/gzip -d "\$@"
50EOF
51chmod +x $out/bin/gunzip
52
53# Provide fgrep/egrep.
54echo "#! $out/bin/sh" > $out/bin/egrep
55echo "exec $out/bin/grep -E \"\$@\"" >> $out/bin/egrep
56echo "#! $out/bin/sh" > $out/bin/fgrep
57echo "exec $out/bin/grep -F \"\$@\"" >> $out/bin/fgrep
58
59# Provide xz (actually only xz -d will work).
60echo "#! $out/bin/sh" > $out/bin/xz
61echo "exec $builder unxz \"\$@\"" >> $out/bin/xz
62
63chmod +x $out/bin/egrep $out/bin/fgrep $out/bin/xz