#!/bin/sh
# script to set GNU CPP or CC1, CC1PLUS to be called from gcc
# ./unset_mcpp.sh $gcc_path $gcc_maj_ver $gcc_min_ver $cpp_call $CC $CXX
#       x$EXEEXT $LN_S $inc_dir $host_system $target_cc

gcc_maj_ver=$2
gcc_min_ver=$3
cpp_call=$4
CC=$5
CXX=$6
LN_S=$8
inc_dir=$9
host_system=${10}
target_cc=${11}
cpp_name=`echo $cpp_call | sed 's,.*/,,'`
cpp_path=`echo $cpp_call | sed "s,/$cpp_name,,"`
gcc_path=`echo $1 | sed "s,/${CC}\$,,"`
EXEEXT=`echo $7 | sed 's/^x//'`
if test x$EXEEXT != x; then
    cpp_base=`echo $cpp_name | sed "s/$EXEEXT//"`
else
    cpp_base=$cpp_name
fi

echo "  rm -fr $inc_dir/mcpp-gcc*"
rm -fr $inc_dir/mcpp-gcc*
if test $host_system = SYS_CYGWIN; then
    echo "  rm -fr $inc_dir/mingw"
    rm -fr $inc_dir/mingw
fi

echo "  cd $cpp_path"
cd $cpp_path

if (test -h $cpp_name || test $host_system = SYS_MINGW)  \
        && test -f ${cpp_base}_gnuc$EXEEXT; then
    rm -f $cpp_name mcpp.sh
    echo "  mv ${cpp_base}_gnuc$EXEEXT $cpp_name"
    mv -f ${cpp_base}_gnuc$EXEEXT $cpp_name
    if test x$cpp_base = xcc1; then
        rm -f cc1plus$EXEEXT mcpp_plus.sh
        echo "  mv cc1plus_gnuc$EXEEXT cc1plus$EXEEXT"
        mv -f cc1plus_gnuc$EXEEXT cc1plus$EXEEXT
    fi
fi

if test x$gcc_maj_ver = x2; then
    exit 0
fi

echo "  cd $gcc_path"
cd $gcc_path

if test $host_system = SYS_MAC && test x${target_cc} != x; then
    CC_=$target_cc
    CXX_=`echo $target_cc | sed 's/gcc/g++/'`
else
    CC_=$CC
    CXX_=$CXX
fi

for cc in $CC_ $CXX_
do
    if test $host_system != SYS_MINGW; then
        ref=`readlink $cc`
    fi
    if test x$ref = x; then
        ref=$cc
    fi
    ccache=`grep ccache $ref`
    if test x$ccache != x; then
        ## search the real $cc in $PATH
        for path in `echo $PATH | sed 's/:/ /g'`
        do
            if test -f $path/$cc$EXEEXT && test $gcc_path != $path; then
                break;
            fi
        done
        gcc_path=$path
        echo "  cd $gcc_path"
        cd $gcc_path
        ref=`readlink $cc`
    fi
    if test x$ref = x$cc.sh || test $host_system = SYS_MINGW; then
        entity=`grep $gcc_path $cc.sh | sed "s,$gcc_path/,," | sed "s/_proper.*$//"`
        rm -f $entity
        echo "  mv ${entity}_proper$EXEEXT $entity$EXEEXT"
        mv -f ${entity}_proper$EXEEXT $entity$EXEEXT
        if test $entity != $cc; then
            echo "  $LN_S $entity $cc"
            $LN_S -f $entity $cc
        fi
        rm -f $cc.sh
    fi
done