#!/bin/bash
set -e

case $(uname -m) in
  x86_64)
    sed -e '/m64=/s/lib64/lib/' \
        -i.orig gcc/config/i386/t-linux64
  ;;
esac

mkdir -v build
cd build || exit 1

../configure --prefix=/usr \
             LD=ld \
             --enable-languages=c,c++ \
             --disable-multilib \
             --disable-bootstrap \
             --with-system-zlib &&

make &&

make -j1 install &&
rm -rf /usr/lib/gcc/"$(gcc -dumpmachine)"/"${VERSION}"/include-fixed/bits/ &&

chown -v -R root:root \
    /usr/lib/gcc/*linux-gnu/"${VERSION}"/include{,-fixed} &&

ln -sv ../usr/bin/cpp /lib &&

ln -sfv ../../libexec/gcc/"$(gcc -dumpmachine)"/"${VERSION}"/liblto_plugin.so \
        /usr/lib/bfd-plugins/ &&

echo 'int main(){}' > dummy.c
cc dummy.c -v -Wl,--verbose &> dummy.log &&
readelf -l a.out | grep ': /lib' &&

grep -o '/usr/lib.*/crt[1in].*succeeded' dummy.log &&
grep -B4 '^ /usr/include' dummy.log &&
grep 'SEARCH.*/usr/lib' dummy.log |sed 's|; |\n|g' &&
grep "/lib.*/libc.so.6 " dummy.log &&
grep found dummy.log &&

rm -v dummy.c a.out dummy.log &&

mkdir -pv /usr/share/gdb/auto-load/usr/lib &&
mv -v /usr/lib/*gdb.py /usr/share/gdb/auto-load/usr/lib