set -x # Configure fragment invoked in the post-target section for subdirs # wanting multilib support. # # It is advisable to support a few --enable/--disable options to let the # user select which libraries s/he really wants. # # Subdirectories wishing to use multilib should put the following lines # in the "post-target" section of configure.in. # # if [ "${srcdir}" = "." ] ; then # if [ "${with_target_subdir}" != "." ] ; then # . ${srcdir}/${with_multisrctop}../../config-ml.in # else # . ${srcdir}/${with_multisrctop}../config-ml.in # fi # else # . ${srcdir}/../config-ml.in # fi # # See librx/configure.in in the libg++ distribution for an example of how # to handle autoconf'd libraries. # # Things are complicated because 6 separate cases must be handled: # 2 (native, cross) x 3 (absolute-path, relative-not-dot, dot) = 6. # # srcdir=. is special. It must handle make programs that don't handle VPATH. # To implement this, a symlink tree is built for each library and for each # multilib subdir. # # The build tree is layed out as # # ./ # libg++ # newlib # m68020/ # libg++ # newlib # m68881/ # libg++ # newlib # # The nice feature about this arrangement is that inter-library references # in the build tree work without having to care where you are. Note that # inter-library references also work in the source tree because symlink trees # are built when srcdir=. # # Configure variables: # ${with_target_subdir} = "." for native, or ${target_alias} for cross. # Set by top level Makefile. # ${with_multisrctop} = how many levels of multilibs there are in the source # tree. It exists to handle the case of configuring in the source tree: # ${srcdir} is not constant. # ${with_multisubdir} = name of multilib subdirectory (eg: m68020/m68881). # # Makefile variables: # MULTISRCTOP = number of multilib levels in source tree (+1 if cross) # MULITBUILDTOP = number of multilib levels in build tree # MULTIDIRS = list of multilib subdirs (eg: m68000 m68020 ...) # (only defined in each library's main Makefile). # MULTISUBDIR = installed subdirectory name with leading '/' (eg: /m68000) # (only defined in each multilib subdir). # FIXME: Multilib is currently disabled by default for everything other than # newlib. It is up to each target to turn on multilib support for the other # libraries as desired. # We have to handle being invoked by both Cygnus configure and Autoconf. # We except both to define `srcdir' and `target' (we *could* figure them # out, but we'd have to do work that they're already done to figure them out). # We expect Cygnus configure to define `arguments' and Autoconf to define # `ac_configure_args'. if [ -n "${ac_configure_args}" ]; then Makefile=${ac_file-Makefile} config_shell=${CONFIG_SHELL-/bin/sh} arguments="${ac_configure_args}" else Makefile=${Makefile-Makefile} config_shell=${config_shell-/bin/sh} fi # Scan all the arguments and set all the ones we need. for option in $arguments do case $option in --*) ;; -*) option=-$option ;; esac case $option in --*=*) optarg=`echo $option | sed -e 's/^[^=]*=//'` ;; esac case $option in --disable-*) enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'` eval $enableopt=no ;; --enable-*) case "$option" in *=*) ;; *) optarg=yes ;; esac enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'` eval $enableopt="$optarg" ;; --norecursion | --no*) norecursion=yes ;; --verbose | --v | --verb*) verbose=--verbose ;; --with-*) case "$option" in *=*) ;; *) optarg=yes ;; esac withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'` eval $withopt="$optarg" ;; --without-*) withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'` eval $withopt=no ;; esac done # Only do this if --enable-multilib. if [ "${enable_multilib}" = yes ]; then # Compute whether this is the library's top level directory # (ie: not a multilib subdirectory, and not a subdirectory like libg++/src). # ${with_multisubdir} tells us we're in the right branch, but we could be # in a subdir of that. # ??? The previous version could void this test by separating the process into # two files: one that only the library's toplevel configure.in ran (to # configure the multilib subdirs), and another that all configure.in's ran to # update the Makefile. It seemed reasonable to collapse all multilib support # into one file, but it does leave us with having to perform this test. ml_toplevel_p=no if [ -z "${with_multisubdir}" ]; then if [ "${srcdir}" = "." ]; then # ${with_target_subdir} = "." for native, otherwise target alias. if [ "${with_target_subdir}" = "." ]; then if [ -f ../config-ml.in ]; then ml_toplevel_p=yes fi else if [ -f ../../config-ml.in ]; then ml_toplevel_p=yes fi fi else if [ -f ${srcdir}/../config-ml.in ]; then ml_toplevel_p=yes fi fi fi # If this is the library's top level directory, set multidirs to the # multilib subdirs to support. This lives at the top because we need # `multidirs' set right away, and this section is subject to frequent # editing (addition of new targets, etc.). if [ "${ml_toplevel_p}" = yes ]; then case "${target}" in # start-sanitize-arc arc-sbp-elf*) if [ x$enable_biendian = xyes ] then multidirs="be host graphics audio be/host be/graphics be/audio" else multidirs="host graphics audio" fi ;; arc-*-*) multidirs="be" ;; # end-sanitize-arc hppa*-*-*) multidirs="soft-float" ;; #m68*-*-aout* | m68*-*-coff* | m68*-*-elf* | m68*-*-vxworks*) # multidirs="m68000 m68020 m68881 msoft-float m68000/m68881 m68000/msoft-float m68020/m68881 m68020/msoft-float" # ;; m68*-*-aout* | m68*-*-coff* | m68*-*-elf* | m68*-*-vxworks*) multidirs="m68000 m68000/m68881" ;; i960-*-*) multidirs=float ;; sparclite-*-* | sparclitefrw*-*-*) multidirs="mfpu msoft-float mflat mno-flat mfpu/mflat mfpu/mno-flat msoft-float/mflat msoft-float/mno-flat" ;; sparc-*-* | sparcfrw*-*-*) multidirs="soft v8 soft/v8" ;; z8k-*-coff) multidirs="z8001 std z8001/std" ;; h8300-*-*) multidirs=h8300h ;; h8500-*-*) multidirs="mbig msmall mcompact mmedium" ;; # start-sanitize-jaguar jaguar-*-*) multidirs="be" ;; # end-sanitize-jaguar sh-*-*) multidirs="ml m2 ml/m2" # start-sanitize-sh3e multidirs="ml m2 ml/m2 m3e ml/m3e" # end-sanitize-sh3e ;; mips*-*-*) # Note that not all of these will be built for a particular # target; what is build depends upon the output gcc # --print-multi-lib. We configure them all, to make our life # simpler here. If somebody cares about configuration # efficiency, they will need to switch off on the various # targets to configure just the directories needed for that # target. # # In the long run, it would be better to configure based on # the output of gcc --print-multi-lib, but, to do that, we # would have to build gcc before configuring newlib. # # Default to including the single-float directories. if [ x$enable_single_float = x ]; then enable_single_float=yes fi if [ x$enable_single_float = xyes ]; then multidirs="soft-float single el eb mips1 mips3 soft-float/el soft-float/eb soft-float/mips1 soft-float/mips3 soft-float/el/mips1 soft-float/el/mips3 soft-float/eb/mips1 soft-float/eb/mips3 single/el single/eb single/mips1 single/mips3 single/el/mips1 single/el/mips3 single/eb/mips1 single/eb/mips3 el/mips1 el/mips3 eb/mips1 eb/mips3" else multidirs="soft-float el eb mips1 mips3 soft-float/el soft-float/eb soft-float/mips1 soft-float/mips3 soft-float/el/mips1 soft-float/el/mips3 soft-float/eb/mips1 soft-float/eb/mips3 el/mips1 el/mips3 eb/mips1 eb/mips3" fi if [ x$enable_biendian = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *endian* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_softfloat = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *soft-float* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_relocatable = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *relocatable* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_sysv = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *sysv* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi ;; powerpc-ibm-aix* | rs6000-ibm-aix*) multidirs="soft-float common soft-float/common" if [ x$enable_softfloat = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *soft-float* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_commoncpu = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *common* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi ;; powerpc-*-eabiaix*) multidirs="soft-float relocatable little sysv little/sysv relocatable/little relocatable/sysv relocatable/little/sysv soft-float/relocatable soft-float/little soft-float/sysv soft-float/little/sysv soft-float/relocatable/little soft-float/relocatable/sysv soft-float/relocatable/little/sysv" if [ x$enable_biendian = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *endian* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_softfloat = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *soft-float* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_relocatable = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *relocatable* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_sysv = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *sysv* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi ;; powerpc-*-eabi* | powerpc-*-elf* | powerpc-*-sysv4*) multidirs="soft-float relocatable little aix little/aix relocatable/little relocatable/aix relocatable/little/aix soft-float/relocatable soft-float/little soft-float/aix soft-float/little/aix soft-float/relocatable/little soft-float/relocatable/aix soft-float/relocatable/little/aix aixdesc soft-float/aixdesc" if [ x$enable_biendian = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *endian* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_softfloat = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *soft-float* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_relocatable = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *relocatable* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_aix = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *aix* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi ;; powerpcle-*-eabi* | powerpcle-*-elf* | powerpcle-*-sysv4*) multidirs="soft-float relocatable big aix big/aix relocatable/big relocatable/aix relocatable/big/aix soft-float/relocatable soft-float/big soft-float/aix soft-float/big/aix soft-float/relocatable/big soft-float/relocatable/aix soft-float/relocatable/big/aix" if [ x$enable_biendian = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *endian* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_softfloat = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *soft-float* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_relocatable = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *relocatable* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi if [ x$enable_aix = xno ] then old_multidirs="${multidirs}" multidirs="" for x in ${old_multidirs}; do case "$x" in *aix* ) : ;; *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;; esac done fi ;; *) multidirs= ;; esac # Add code to library's top level makefile to handle building the multilib # subdirs. cat > Multi.tem <<\EOF # FIXME: There should be an @-sign in front of the `if'. # Leave out until this is tested a bit more. multi-do: if [ -z "$(MULTIDIRS)" ]; then \ true; \ else \ rootpre=`pwd`/; export rootpre; \ srcrootpre=`cd $(srcdir); pwd`/; export srcrootpre; \ lib=`echo $${rootpre} | sed -e 's,^.*/\([^/][^/]*\)/$$,\1,'`; \ compiler="$(CC)"; \ for i in `$${compiler} --print-multi-lib 2>/dev/null`; do \ dir=`echo $$i | sed -e 's/;.*$$//'`; \ if [ "$${dir}" = "." ]; then \ true; \ else \ if [ -d ../$${dir}/$${lib} ]; then \ flags=`echo $$i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; \ if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) \ CFLAGS="$(CFLAGS) $${flags}" \ CXXFLAGS="$(CXXFLAGS) $${flags}" \ LIBCFLAGS="$(LIBCFLAGS) $${flags}" \ LIBCXXFLAGS="$(LIBCXXFLAGS) $${flags}" \ $(DO)); then \ true; \ else \ exit 1; \ fi; \ else true; \ fi; \ fi; \ done; \ fi # FIXME: There should be an @-sign in front of the `if'. # Leave out until this is tested a bit more. multi-clean: if [ -z "$(MULTIDIRS)" ]; then \ true; \ else \ lib=`pwd | sed -e 's,^.*/\([^/][^/]*\)/$$,\1,'`; \ for dir in Makefile $(MULTIDIRS); do \ if [ -f ../$${dir}/$${lib}/Makefile ]; then \ if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) $(DO)); \ then true; \ else exit 1; \ fi; \ else true; \ fi; \ done; \ fi EOF cat ${Makefile} Multi.tem > Makefile.tem rm -f ${Makefile} Multi.tem mv Makefile.tem ${Makefile} fi # ${ml_toplevel_p} = yes if [ "${verbose}" = --verbose ]; then echo "Adding multilib support to Makefile in `pwd`" if [ "${ml_toplevel_p}" = yes ]; then echo "multidirs=${multidirs}" fi echo "with_multisubdir=${with_multisubdir}" fi if [ "${srcdir}" = "." ]; then if [ "${with_target_subdir}" != "." ]; then ml_srcdotdot="../" else ml_srcdotdot="" fi else ml_srcdotdot="" fi if [ -z "${with_multisubdir}" ]; then ml_subdir= ml_builddotdot= : # ml_srcdotdot= # already set else ml_subdir="/${with_multisubdir}" # The '[^/][^/]*' appears that way to work around a SunOS sed bug. ml_builddotdot=`echo ${with_multisubdir} | sed -e 's:[^/][^/]*:..:g'`/ if [ "$srcdir" = "." ]; then ml_srcdotdot=${ml_srcdotdot}${ml_builddotdot} else : # ml_srcdotdot= # already set fi fi if [ "${ml_toplevel_p}" = yes ]; then ml_do='$(MAKE)' ml_clean='$(MAKE)' else ml_do=true ml_clean=true fi # TOP is used by newlib and should not be used elsewhere for this purpose. # MULTI{SRC,BUILD}TOP are the proper ones to use. MULTISRCTOP is empty # when srcdir != builddir. MULTIBUILDTOP is always some number of ../'s. # FIXME: newlib needs to be updated to use MULTI{SRC,BUILD}TOP so we can # delete TOP. Newlib may wish to continue to use TOP for its own purposes # of course. # MULTIDIRS is non-empty for the cpu top level Makefile (eg: newlib/Makefile) # and lists the subdirectories to recurse into. # MULTISUBDIR is non-empty in each cpu subdirectory's Makefile # (eg: newlib/h8300h/Makefile) and is the installed subdirectory name with # a leading '/'. # MULTIDO is used for targets like all, install, and check where # $(FLAGS_TO_PASS) augmented with the subdir's compiler option is needed. # MULTICLEAN is used for the *clean targets. # # ??? It is possible to merge MULTIDO and MULTICLEAN into one. They are # currently kept separate because we don't want the *clean targets to require # the existence of the compiler (which MULTIDO currently requires) and # therefore we'd have to record the directory options as well as names # (currently we just record the names and use --print-multi-lib to get the # options). sed -e "s:^TOP[ ]*=[ ]*\([./]*\)[ ]*$:TOP = ${ml_builddotdot}\1:" \ -e "s:^MULTISRCTOP[ ]*=.*$:MULTISRCTOP = ${ml_srcdotdot}:" \ -e "s:^MULTIBUILDTOP[ ]*=.*$:MULTIBUILDTOP = ${ml_builddotdot}:" \ -e "s:^MULTIDIRS[ ]*=.*$:MULTIDIRS = ${multidirs}:" \ -e "s:^MULTISUBDIR[ ]*=.*$:MULTISUBDIR = ${ml_subdir}:" \ -e "s:^MULTIDO[ ]*=.*$:MULTIDO = $ml_do:" \ -e "s:^MULTICLEAN[ ]*=.*$:MULTICLEAN = $ml_clean:" \ ${Makefile} > Makefile.tem rm -f ${Makefile} mv Makefile.tem ${Makefile} # If this is the library's top level, configure each multilib subdir. # This is done at the end because this is the loop that runs configure # in each multilib subdir and it seemed reasonable to finish updating the # Makefile before going on to configure the subdirs. if [ "${ml_toplevel_p}" = yes ]; then # We must freshly configure each subdirectory. This bit of code is # actually partially stolen from the main configure script. FIXME. if [ -n "${multidirs}" ] && [ -z "${norecursion}" ]; then if [ "${verbose}" = --verbose ]; then echo "Running configure in multilib subdirs ${multidirs}" echo "pwd: `pwd`" fi ml_origdir=`pwd` ml_libdir=`echo $ml_origdir | sed -e 's,^.*/,,'` # cd to top-level-build-dir/${with_target_subdir} cd .. for dir in ${multidirs}; do if [ "${verbose}" = --verbose ]; then echo "Running configure in multilib subdir ${dir}" echo "pwd: `pwd`" fi if [ -d ${dir} ]; then true; else mkdir ${dir}; fi if [ -d ${dir}/${ml_libdir} ]; then true; else mkdir ${dir}/${ml_libdir}; fi # Eg: if ${dir} = m68000/m68881, dotdot = ../../ dotdot=../`echo ${dir} | sed -e 's|[^/]||g' -e 's|/|../|g'` case ${srcdir} in ".") echo Building symlink tree in `pwd`/${dir}/${ml_libdir} if [ "${with_target_subdir}" != "." ]; then ml_unsubdir="../" else ml_unsubdir="" fi (cd ${dir}/${ml_libdir}; ../${dotdot}${ml_unsubdir}symlink-tree ../${dotdot}${ml_unsubdir}${ml_libdir} "") newsrcdir="." srcdiroption= multisrctop=${dotdot} ;; *) case "${srcdir}" in /*) # absolute path newsrcdir=${srcdir} ;; *) # otherwise relative newsrcdir=${dotdot}${srcdir} ;; esac srcdiroption="-srcdir=${newsrcdir}" multisrctop= ;; esac case "${progname}" in /*) recprog=${progname} ;; *) recprog=${dotdot}${progname} ;; esac # FIXME: POPDIR=${PWD=`pwd`} doesn't work here. ML_POPDIR=`pwd` cd ${dir}/${ml_libdir} if [ -f ${newsrcdir}/configure ]; then recprog=${newsrcdir}/configure fi if eval ${config_shell} -x ${recprog} \ --with-multisubdir=${dir} --with-multisrctop=${multisrctop} \ $arguments ${srcdiroption} ; then true else exit 1 fi cd ${ML_POPDIR} done cd ${ml_origdir} fi fi # ${ml_toplevel_p} = yes fi # ${enable_multilib} = yes