#!/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