#!/bin/sh

# Reading system configuration informations, functions and package versions.
source ../sysinfos
source ../functions
source ../packages-list

# Saves CFLAGS and CXXFLAGS, and clears them.
save_flags_no_optimizations &&

# Applying patches (if any)
apply_patches ${1} &&

cd ${LFS_TMP}/${1} &&
# Suppressing the running of the fixincludes script. */
cp -v gcc/Makefile.in{,.orig} &&
sed 's@\./fixinc\.sh@-c true@' gcc/Makefile.in.orig > gcc/Makefile.in &&

# The bootstrap build performed in pass1 built GCC with the -fomit-frame-pointer
# compiler flag. Non-bootstrap builds omit this flag by default, so the following sed
# command is used in order to ensure consistent compiler builds.
cp -v gcc/Makefile.in{,.tmp} &&
sed 's/^XCFLAGS =$/& -fomit-frame-pointer/' gcc/Makefile.in.tmp > gcc/Makefile.in &&

# The following command will change the location of GCC's default dynamic
# linker to use the one we installed in /tools. It also removes
# /usr/include from GCC's include search path
for file in $(find gcc/config -name linux64.h -o -name linux.h); do
    cp -uv $file{,.orig}
    sed -e 's@/lib\(64\)\?\(32\)\?/ld@/tools&@g' \
        -e 's@/usr@/tools@g' $file.orig > $file
    echo "" >> $file
    echo "#undef STANDARD_INCLUDE_DIR" >> $file
    echo "#define STANDARD_INCLUDE_DIR 0" >> $file
    touch $file.orig
done

cd ${LFS_TMP}/${1}-build &&
../${1}/configure \
    --prefix=/tools \
    --with-local-prefix=/tools \
    --enable-clocale=gnu \
    --enable-shared \
    --enable-threads=posix \
    --enable-__cxa_atexit \
    --enable-languages=c,c++ \
    --disable-libstdcxx-pch \
    --disable-bootstrap &&
make -j ${MAKEJOBS} &&
make install &&

gcc_toolchain_test_stage1 &&

# Restore original CFLAGS and CXXFLAGS values.
restore_flags

# Return last error
exit $?