#! /bin/sh

cd $BLDDIR/gcc-$GCC_VER

patch -p2 < $SRCDIR/patches/gcc-$GCC_VER/hurd-changes.diff
patch -p1 < $SRCDIR/patches/gcc-$GCC_VER/sys-header-dir.patch

# change cpp's search path so it won't look in /usr/include
cp -v gcc/cppdefault.c{,.orig}
sed -e '/#define STANDARD_INCLUDE_DIR/s@"/usr/include"@0@g' \
    gcc/cppdefault.c.orig > gcc/cppdefault.c

# fixincludes
cp -v gcc/Makefile.in{,.orig}
sed -e 's@\(^NATIVE_SYSTEM_HEADER_DIR =\).*@\1 /tools/include@g' \
    gcc/Makefile.in.orig > gcc/Makefile.in

cp gcc/Makefile.in{,.orig}
sed 's@\./fixinc\.sh@-c true@' gcc/Makefile.in.orig > gcc/Makefile.in

cd $BLDDIR/cross-gcc-build
rm -rf *

../gcc-$GCC_VER/configure --prefix=/tools \
  --build=${CHFS_HOST} --host=${CHFS_TARGET} --target=${CHFS_TARGET} \
  --with-local-prefix=/tools --enable-long-long --enable-c99 \
  --enable-shared --enable-threads=posix --enable-__cxa_atexit \
  --disable-nls --enable-languages=c,c++ --disable-libstdcxx-pch \
  --disable-multilib

cp Makefile{,.orig}
sed "/^HOST_\(GMP\|PPL\|CLOOG\)\(LIBS\|INC\)/s:-[IL]/\(lib\|include\)::" \
    Makefile.orig > Makefile

make AS_FOR_TARGET="${AS}" \
    LD_FOR_TARGET="${LD}"
make install

cd $ROOT
