source: trunk/third/gcc/configure.lang @ 11288

# configure.lang for GNU CC
# This script is run by configure for configuration of language
# subdirectories which conform to the old GCC configure mechanism
# for such subdirectories.

# Copyright (C) 1997 Free Software Foundation, Inc.

#This file is part of GNU CC.

#GNU CC is free software; you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation; either version 2, or (at your option)
#any later version.

#GNU CC is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.

#You should have received a copy of the GNU General Public License
#along with GNU CC; see the file COPYING.  If not, write to
#the Free Software Foundation, 59 Temple Place - Suite 330,
#Boston, MA 02111-1307, USA.

savesrcdir=$srcdir

for subdir in . $oldstyle_subdirs
do
        # We only want to do this in language subdirs, but we have to handle
        # the case of $oldstyle_subdirs = "".
        if [ $subdir = . ]
        then
                continue
        fi

        oldsrcdir=$savesrcdir

        # Re-adjust the path
        case $oldsrcdir in
        /*)
                srcdir=$oldsrcdir/$subdir
                ;;
        *)
                oldsrcdir=../${oldsrcdir}
                srcdir=$oldsrcdir/$subdir
                ;;
        esac
        mainsrcdir=$oldsrcdir
        STARTDIR=`pwd`
        test -d $subdir || mkdir $subdir
        cd $subdir

        # Create Makefile.tem from Makefile.in.
        # Make it set VPATH if necessary so that the sources are found.
        # Also change its value of srcdir.
        # Also create a .gdbinit file which runs the one in srcdir
        # and tells GDB to look there for source files.
        case $srcdir in
        . | ./$subdir | .././$subdir)
                rm -f Makefile.tem
                cp Makefile.in Makefile.tem
                chmod +w Makefile.tem
                ;;
        *)
                rm -f Makefile.tem
                echo "VPATH = ${srcdir}" \
                  | cat - ${srcdir}/Makefile.in \
                  | sed "s@^srcdir = \.@srcdir = ${srcdir}@" > Makefile.tem
                rm -f .gdbinit
                echo "dir ." > .gdbinit
                echo "dir ${srcdir}" >> .gdbinit
                echo "dir ${mainsrcdir}" >> .gdbinit
                if [ x$gdb_needs_out_file_path = xyes ]
                then
                        echo "dir ${mainsrcdir}/config/"`dirname ${out_file}` >> .gdbinit
                fi
                echo "source ${mainsrcdir}/.gdbinit" >> .gdbinit
                ;;
        esac

        # Conditionalize the makefile for this host machine.
        rm -f Makefile.xx Makefile.ll
        merged_frags=
        for f in .. ${host_xmake_file}
        do
                if [ -f ${mainsrcdir}/config/$f ]
                then
                        cat ${mainsrcdir}/config/$f >> Makefile.ll
                        if [ x"${merged_frags}" != x ]
                        then
                                merged_frags="${merged_frags} and "
                        fi
                        merged_frags="${merged_frags}${f}"
                fi
        done
        if [ x"${merged_frags}" != x ]
        then
                sed -e "/####host/  r Makefile.ll" Makefile.tem > Makefile.xx
                echo "Merged ${merged_frags}."
                rm -f Makefile.tem
                mv Makefile.xx Makefile.tem
                rm -f Makefile.ll
        fi

        # Add a definition for MAKE if system wants one.
        case "$SET_MAKE" in
        ?*)
                rm -f Makefile.xx
                (echo "$SET_MAKE"; cat Makefile.tem) >Makefile.xx
                rm -f Makefile.tem
                mv Makefile.xx Makefile.tem
        esac

        # Add a definition for INSTALL if system wants one.
        # This substitutes for lots of x-* files.
        if [ x$build_broken_install = x ]
        then true
        else
                rm -f Makefile.xx
                abssrcdir=`cd ${srcdir}; pwd`
                sed "s|^INSTALL = .*|INSTALL = ${abssrcdir}/install.sh -c|" Makefile.tem > Makefile.xx
                rm -f Makefile.tem
                mv Makefile.xx Makefile.tem
        fi

        # If using -program-transform-name, override the installation names.
        if [ "x${program_transform_set}" = "xyes" ] ; then
                sed -e "s/^program_transform_name[      ]*=.*$/program_transform_name =
$program_transform_name/" \
                    -e "s/^program_transform_cross_name[
]*=.*$/program_transform_cross_name = $program_transform_name/" \
                    Makefile.tem > Makefile.xx
                rm -f Makefile.tem
                mv Makefile.xx Makefile.tem
        fi

        # Conditionalize the makefile for this target machine.
        rm -f Makefile.xx Makefile.ll
        merged_frags=
        for f in .. ${tmake_file}
        do
                if [ -f ${mainsrcdir}/config/$f ]
                then
                        cat ${mainsrcdir}/config/$f >> Makefile.ll
                        if [ x"${merged_frags}" != x ]
                        then
                                merged_frags="${merged_frags} and "
                        fi
                        merged_frags="${merged_frags}$f"
                fi
        done
        if [ x"${merged_frags}" != x ]
        then
                sed -e "/####target/  r Makefile.ll" Makefile.tem > Makefile.xx
                echo "Merged ${merged_frags}."
                rm -f Makefile.tem
                mv Makefile.xx Makefile.tem
                rm -f Makefile.ll
        fi

        # If the host supports
        # symlinks, point stage[123] at ../stage[123] so bootstrapping and the
        # installation procedure can still use CC="stage1/xgcc -Bstage1/".
        # If the host doesn't support symlinks, FLAGS_TO_PASS has been
        # modified to solve the problem there.
        for t in stage1 stage2 stage3 stage4 include
        do
                rm -f $t
                $symbolic_link ../$t $t 2>/dev/null
        done

        # Remove all formfeeds, since some Makes get confused by them.
        # Also arrange to give the variables `target', `target_alias',
        # `host_xmake_file', `tmake_file', `prefix', `local_prefix',
        # `exec_prefix', `INSTALL_HEADERS_DIR', `exeext'
        # values in the Makefile from the values they have in this script.
        rm -f Makefile.xx
        # Create an empty Makefile.sed first, to work around a Nextstep 3.3 bug.
        echo 's|||' > Makefile.sed
        rm Makefile.sed
        echo 's|||' > Makefile.sed
        echo "s|^target=.*$|target=${target}|" >> Makefile.sed
        echo "s|^target_alias=.*$|target=${target_alias}|" >> Makefile.sed
        echo "s|^xmake_file=.*$|xmake_file=${dep_host_xmake_file}|" >> Makefile.sed
        echo "s|^tmake_file=.*$|tmake_file=${dep_tmake_file}|" >> Makefile.sed
        echo "s|^version=.*$|version=${version}|" >> Makefile.sed
        echo "s|^GCC_THREAD_FILE=.*$|GCC_THREAD_FILE=${thread_file}|" >> Makefile.sed
        echo "s|^prefix[        ]*=.*|prefix = $prefix|" >> Makefile.sed
        echo "s|^local_prefix[  ]*=.*|local_prefix = $local_prefix|" >> Makefile.sed
        echo "s|^exec_prefix[   ]*=.*|exec_prefix = $exec_prefix|" >> Makefile.sed
        echo "s|^INSTALL_HEADERS_DIR[   ]*=.*$|INSTALL_HEADERS_DIR = ${build_install_headers_dir}|" >> Makefile.sed
        echo "s|^exeext[        ]*=.*$|exeext = ${build_exeext}|" >> Makefile.sed
        sed -f Makefile.sed Makefile.tem > Makefile.xx
        rm -f Makefile.tem Makefile.sed
        mv Makefile.xx Makefile.tem

        # Install Makefile for real, after making final changes.
        # Define macro CROSS_COMPILE in compilation
        # if this is a cross-compiler.
        # Also use all.cross instead of all.internal
        # and add cross-make to Makefile.
        if [ x$host != x$target ]
        then
                rm -f Makefile.xx
                echo "CROSS=-DCROSS_COMPILE" > Makefile.xx
                sed -e "/####cross/  r ${mainsrcdir}/cross-make" Makefile.tem >> Makefile.xx
                rm -f Makefile.tem
                mv Makefile.xx Makefile.tem
        fi

        # When building gcc with a cross-compiler, we need to fix a few things.
        # This must come after cross-make as we want all.build to override
        # all.cross.
        if [ x$build != x$host ]
        then
                rm -f Makefile.xx
                echo "build= $build" > Makefile.xx
                echo "host= $host" >> Makefile.xx
                sed -e "s|objc-runtime$||" \
                    -e "/####build/  r ${mainsrcdir}/build-make" Makefile.tem >> Makefile.xx
                rm -f Makefile.tem
                mv Makefile.xx Makefile.tem
        fi

        rm -f Makefile
        mv Makefile.tem Makefile
        echo "Created \`$subdir/Makefile'."

        cd $STARTDIR
done   # end of current-dir SUBDIRS loop

# Restore this, remember we're invoked with `.'.
srcdir=$savesrcdir