diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 933 |
1 files changed, 457 insertions, 476 deletions
diff --git a/configure.in b/configure.in index 6b8154a35..0a9f05fd8 100644 --- a/configure.in +++ b/configure.in @@ -747,273 +747,6 @@ case "${noconfigdirs}" in *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; esac -# Figure out what language subdirectories are present. -# Look if the user specified --enable-languages="..."; if not, use -# the environment variable $LANGUAGES if defined. $LANGUAGES might -# go away some day. -# NB: embedded tabs in this IF block -- do not untabify -if test x"${enable_languages+set}" != xset; then - if test x"${LANGUAGES+set}" = xset; then - enable_languages="${LANGUAGES}" - echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 - else - enable_languages=all - fi -else - if test x"${enable_languages}" = x || - test x"${enable_languages}" = xyes; - then - echo configure.in: --enable-languages needs at least one language argument 1>&2 - exit 1 - fi -fi -enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` - -# First scan to see if an enabled language requires some other language. -# We assume that a given config-lang.in will list all the language -# front ends it requires, even if some are required indirectly. -for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do - case ${lang_frag} in - ..) ;; - # The odd quoting in the next line works around - # an apparent bug in bash 1.12 on linux. - ${srcdir}/gcc/[[*]]/config-lang.in) ;; - *) - # From the config-lang.in, get $language, $lang_requires - language= - lang_requires= - . ${lang_frag} - for other in ${lang_requires} ; do - case ,${enable_languages}, in - *,$other,*) ;; - *,all,*) ;; - *,$language,*) - echo " \`$other' language required by \`$language'; enabling" 1>&2 - enable_languages="${enable_languages},${other}" - ;; - esac - done - ;; - esac -done - -for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do - case ${lang_frag} in - ..) ;; - # The odd quoting in the next line works around - # an apparent bug in bash 1.12 on linux. - ${srcdir}/gcc/[[*]]/config-lang.in) ;; - *) - # From the config-lang.in, get $language, $target_libs, - # $lang_dirs, and $build_by_default - language= - target_libs= - lang_dirs= - build_by_default= - . ${lang_frag} - if test "x$language" = x ; then - echo "${lang_frag} doesn't set \$language." 1>&2 - exit 1 - fi - case ,${enable_languages}, in - *,${language},*) - # Language was explicitly selected; include it. - add_this_lang=yes - ;; - *,all,*) - # 'all' was selected; include 'default' languages. - case ${build_by_default} in - no) add_this_lang=no ;; - *) add_this_lang=yes ;; - esac - ;; - *) add_this_lang=no ;; - esac - case ${add_this_lang} in - no) - # Remove language-dependent dirs. - eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\" - ;; - esac - ;; - esac -done - -# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and -# $target_configdirs. -# If we have the source for $noconfigdirs entries, add them to $notsupp. - -notsupp="" -for dir in . $skipdirs $noconfigdirs ; do - dirname=`echo $dir | sed -e s/target-//g` - if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then - configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` - if test -r $srcdir/$dirname/configure ; then - if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then - true - else - notsupp="$notsupp $dir" - fi - fi - fi - if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then - target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` - if test -r $srcdir/$dirname/configure ; then - if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then - true - else - notsupp="$notsupp $dir" - fi - fi - fi -done - -# Sometimes the tools are distributed with libiberty but with no other -# libraries. In that case, we don't want to build target-libiberty. -if test -n "${target_configdirs}" ; then - others= - for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do - if test "$i" != "libiberty" ; then - if test -r $srcdir/$i/configure ; then - others=yes; - break; - fi - fi - done - if test -z "${others}" ; then - target_configdirs= - fi -fi - -# Quietly strip out all directories which aren't configurable in this tree. -# This relies on all configurable subdirectories being autoconfiscated, which -# is now the case. -configdirs_all="$configdirs" -configdirs= -for i in ${configdirs_all} ; do - if test -f ${srcdir}/$i/configure ; then - configdirs="${configdirs} $i" - fi -done -target_configdirs_all="$target_configdirs" -target_configdirs= -for i in ${target_configdirs_all} ; do - j=`echo $i | sed -e s/target-//g` - if test -f ${srcdir}/$j/configure ; then - target_configdirs="${target_configdirs} $i" - fi -done - -# Produce a warning message for the subdirs we can't configure. -# This isn't especially interesting in the Cygnus tree, but in the individual -# FSF releases, it's important to let people know when their machine isn't -# supported by the one or two programs in a package. - -if test -n "${notsupp}" && test -z "${norecursion}" ; then - # If $appdirs is non-empty, at least one of those directories must still - # be configured, or we error out. (E.g., if the gas release supports a - # specified target in some subdirs but not the gas subdir, we shouldn't - # pretend that all is well.) - if test -n "$appdirs" ; then - for dir in $appdirs ; do - if test -r $dir/Makefile.in ; then - if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then - appdirs="" - break - fi - if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then - appdirs="" - break - fi - fi - done - if test -n "$appdirs" ; then - echo "*** This configuration is not supported by this package." 1>&2 - exit 1 - fi - fi - # Okay, some application will build, or we don't care to check. Still - # notify of subdirs not getting built. - echo "*** This configuration is not supported in the following subdirectories:" 1>&2 - echo " ${notsupp}" 1>&2 - echo " (Any other directories should still work fine.)" 1>&2 -fi - -case "$host" in - *msdosdjgpp*) - enable_gdbtk=no ;; -esac - -copy_dirs= - -# Handle --with-headers=XXX. If the value is not "yes", the contents of -# the named directory are copied to $(tooldir)/sys-include. -if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then - if test x${is_cross_compiler} = xno ; then - echo 1>&2 '***' --with-headers is only supported when cross compiling - exit 1 - fi - if test x"${with_headers}" != xyes ; then - case "${exec_prefixoption}" in - "") x=${prefix} ;; - *) x=${exec_prefix} ;; - esac - copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include" - fi -fi - -# Handle --with-libs=XXX. If the value is not "yes", the contents of -# the name directories are copied to $(tooldir)/lib. Multiple directories -# are permitted. -if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then - if test x${is_cross_compiler} = xno ; then - echo 1>&2 '***' --with-libs is only supported when cross compiling - exit 1 - fi - if test x"${with_libs}" != xyes ; then - # Copy the libraries in reverse order, so that files in the first named - # library override files in subsequent libraries. - case "${exec_prefixoption}" in - "") x=${prefix} ;; - *) x=${exec_prefix} ;; - esac - for l in ${with_libs}; do - copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}" - done - fi -fi - -# Handle ${copy_dirs} -set fnord ${copy_dirs} -shift -while test $# != 0 ; do - if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then - : - else - echo Copying $1 to $2 - - # Use the install script to create the directory and all required - # parent directories. - if test -d $2 ; then - : - else - echo >config.temp - ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED - fi - - # Copy the directory, assuming we have tar. - # FIXME: Should we use B in the second tar? Not all systems support it. - (cd $1; tar -cf - .) | (cd $2; tar -xpf -) - - # It is the responsibility of the user to correctly adjust all - # symlinks. If somebody can figure out how to handle them correctly - # here, feel free to add the code. - - echo $1 > $2/COPIED - fi - shift; shift -done - # Work in distributions that contain no compiler tools, like Autoconf. tentative_cc="" host_makefile_frag=/dev/null @@ -1165,120 +898,6 @@ case "${host}" in esac fi -extra_arflags_for_target= -extra_nmflags_for_target= -extra_ranlibflags_for_target= -target_makefile_frag=/dev/null -case "${target}" in - i[[3456789]]86-*-netware*) - target_makefile_frag="config/mt-netware" - ;; - powerpc-*-netware*) - target_makefile_frag="config/mt-netware" - ;; - *-*-linux*) - target_makefile_frag="config/mt-linux" - ;; - *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) - # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm - # commands to handle both 32-bit and 64-bit objects. These flags are - # harmless if we're using GNU nm or ar. - extra_arflags_for_target=" -X32_64" - extra_nmflags_for_target=" -B -X32_64" - ;; - *-*-darwin*) - # ranlib from Darwin requires the -c flag to look at common symbols. - extra_ranlibflags_for_target=" -c" - ;; - mips*-*-pe | sh*-*-pe | *arm-wince-pe) - target_makefile_frag="config/mt-wince" - ;; -esac - -alphaieee_frag=/dev/null -case $target in - alpha*-*-*) - # This just makes sure to use the -mieee option to build target libs. - # This should probably be set individually by each library. - alphaieee_frag="config/mt-alphaieee" - ;; -esac - -# If --enable-target-optspace always use -Os instead of -O2 to build -# the target libraries, similarly if it is not specified, use -Os -# on selected platforms. -ospace_frag=/dev/null -case "${enable_target_optspace}:${target}" in - yes:*) - ospace_frag="config/mt-ospace" - ;; - :d30v-*) - ospace_frag="config/mt-d30v" - ;; - :m32r-* | :d10v-* | :fr30-*) - ospace_frag="config/mt-ospace" - ;; - no:* | :*) - ;; - *) - echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 - ;; -esac - -# Set with_gnu_as and with_gnu_ld as appropriate. -# -# This is done by determining whether or not the appropriate directory -# is available, and by checking whether or not specific configurations -# have requested that this magic not happen. -# -# The command line options always override the explicit settings in -# configure.in, and the settings in configure.in override this magic. -# -# If the default for a toolchain is to use GNU as and ld, and you don't -# want to do that, then you should use the --without-gnu-as and -# --without-gnu-ld options for the configure script. - -if test x${use_gnu_as} = x && - echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then - with_gnu_as=yes - extra_host_args="$extra_host_args --with-gnu-as" -fi - -if test x${use_gnu_ld} = x && - echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then - with_gnu_ld=yes - extra_host_args="$extra_host_args --with-gnu-ld" -fi - -# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure -# can detect this case. - -if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then - with_newlib=yes - extra_host_args="$extra_host_args --with-newlib" -fi - - -# Default to using --with-stabs for certain targets. -if test x${with_stabs} = x ; then - case "${target}" in - mips*-*-irix[[56]]*) - ;; - mips*-*-* | alpha*-*-osf*) - with_stabs=yes; - extra_host_args="${extra_host_args} --with-stabs" - ;; - esac -fi - -# hpux11 in 64bit mode has libraries in a weird place. Arrange to find -# them automatically. -case "${host}" in - hppa*64*-*-hpux11*) - extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include" - ;; -esac - # If we aren't going to be using gcc, see if we can extract a definition # of CC from the fragment. # Actually, use the 'pre-extracted' version above. @@ -1298,68 +917,6 @@ if test -z "${CC}" && test "${build}" = "${host}" ; then fi fi -# Some systems (e.g., one of the i386-aix systems the gas testers are -# using) don't handle "\$" correctly, so don't use it here. -tooldir='${exec_prefix}'/${target_alias} -build_tooldir=${tooldir} - -# Generate a default definition for YACC. This is used if the makefile can't -# locate bison or byacc in objdir. - -for prog in 'bison -y' byacc yacc -do - set dummy $prog; tmp=$2 - IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:" - for dir in $PATH; do - test -z "$dir" && dir=. - if test -f $dir/$tmp; then - DEFAULT_YACC="$prog" - break - fi - done - IFS="$save_ifs" - - test -n "$DEFAULT_YACC" && break -done - -# Generate a default definition for M4. This is used if the makefile can't -# locate m4 in objdir. - -for prog in gm4 gnum4 m4 -do - set dummy $prog; tmp=$2 - IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:" - for dir in $PATH; do - test -z "$dir" && dir=. - if test -f $dir/$tmp; then - DEFAULT_M4="$prog" - break - fi - done - IFS="$save_ifs" - - test -n "$DEFAULT_M4" && break -done - -# Generate a default definition for LEX. This is used if the makefile can't -# locate flex in objdir. - -for prog in flex lex -do - set dummy $prog; tmp=$2 - IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:" - for dir in $PATH; do - test -z "$dir" && dir=. - if test -f $dir/$tmp; then - DEFAULT_LEX="$prog" - break - fi - done - IFS="$save_ifs" - - test -n "$DEFAULT_LEX" && break -done - if test "${build}" != "${host}" ; then # If we are doing a Canadian Cross, in which the host and build systems # are not the same, we set reasonable default values for the tools. @@ -1511,50 +1068,442 @@ EOF CXXFLAGS=${CXXFLAGS-"-g -O2"} fi -# FIXME Should this be done recursively ??? (Useful for e.g. gdbtest) -# Set up the list of links to be made. -# ${links} is the list of link names, and ${files} is the list of names to link to. +ACX_PROG_GNAT -# Make the links. -configlinks="${links}" -if test -r ./config.status ; then - mv -f ./config.status ./config.back -fi -while test -n "${files}" ; do - # set file to car of files, files to cdr of files - set ${files}; file=$1; shift; files=$* - set ${links}; link=$1; shift; links=$* - - if test ! -r ${srcdir}/${file} ; then - if test ! -r ${file} ; then - echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2 - echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2 - exit 1 +# By default, C is the only stage 1 language. +stage1_languages=c +AC_SUBST(stage1_languages) + +# Figure out what language subdirectories are present. +# Look if the user specified --enable-languages="..."; if not, use +# the environment variable $LANGUAGES if defined. $LANGUAGES might +# go away some day. +# NB: embedded tabs in this IF block -- do not untabify +if test -d ${srcdir}/gcc; then + if test x"${enable_languages+set}" != xset; then + if test x"${LANGUAGES+set}" = xset; then + enable_languages="${LANGUAGES}" + echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 else - srcfile=${file} + enable_languages=all fi else - srcfile=${srcdir}/${file} + if test x"${enable_languages}" = x || + test x"${enable_languages}" = xyes; + then + echo configure.in: --enable-languages needs at least one language argument 1>&2 + exit 1 + fi fi + enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` + + # First scan to see if an enabled language requires some other language. + # We assume that a given config-lang.in will list all the language + # front ends it requires, even if some are required indirectly. + for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do + case ${lang_frag} in + ..) ;; + # The odd quoting in the next line works around + # an apparent bug in bash 1.12 on linux. + ${srcdir}/gcc/[[*]]/config-lang.in) ;; + *) + # From the config-lang.in, get $language, $lang_requires + language= + lang_requires= + . ${lang_frag} + for other in ${lang_requires} ; do + case ,${enable_languages}, in + *,$other,*) ;; + *,all,*) ;; + *,$language,*) + echo " \`$other' language required by \`$language'; enabling" 1>&2 + enable_languages="${enable_languages},${other}" + ;; + esac + done + ;; + esac + done - ${remove} -f ${link} - # Make a symlink if possible, otherwise try a hard link - if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then - true - else - # We need to re-remove the file because Lynx leaves a - # very strange directory there when it fails an NFS symlink. - ${remove} -r -f ${link} - ${hard_link} ${srcfile} ${link} + new_enable_languages=c + missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` + + for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do + case ${lang_frag} in + ..) ;; + # The odd quoting in the next line works around + # an apparent bug in bash 1.12 on linux. + ${srcdir}/gcc/[[*]]/config-lang.in) ;; + *) + # From the config-lang.in, get $language, $target_libs, + # $lang_dirs, $boot_language, and $build_by_default + language= + target_libs= + lang_dirs= + boot_language= + build_by_default= + . ${lang_frag} + # This is quite sensitive to the ordering of the case statement arms. + case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in + *::*:*) + echo "${lang_frag} doesn't set \$language." 1>&2 + exit 1 + ;; + *:ada:no:*) + # Ada was requested with no preexisting GNAT. Disable unconditionally. + add_this_lang=no + ;; + *,${language},*:*:*:*) + # Language was explicitly selected; include it. + add_this_lang=yes + ;; + *,all,*:*:*:no) + # 'all' was selected, but this is not a default language + # so do not include it. + add_this_lang=no + ;; + *,all,*:*:*:*) + # 'all' was selected and this is a default language; include it. + add_this_lang=yes + ;; + *) + add_this_lang=no + ;; + esac + case $add_this_lang in + no) + # Remove language-dependent dirs. + eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\" + ;; + *) + new_enable_languages="$new_enable_languages,$language" + missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` + case ${boot_language} in + yes) + # Add to (comma-separated) list of stage 1 languages. + stage1_languages="${stage1_languages},${language}" + ;; + esac + ;; + esac + ;; + esac + done + + missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` + if test "x$missing_languages" != x; then + AC_MSG_ERROR([ +The following requested languages were not found: ${missing_languages}]) + fi + + if test "x$new_enable_languages" != "x$enable_languages"; then + echo The following languages will be built: ${new_enable_languages} + fi + enable_languages="$new_enable_languages" + ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ ` +fi + +# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and +# $target_configdirs. +# If we have the source for $noconfigdirs entries, add them to $notsupp. + +notsupp="" +for dir in . $skipdirs $noconfigdirs ; do + dirname=`echo $dir | sed -e s/target-//g` + if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then + configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` + if test -r $srcdir/$dirname/configure ; then + if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then + true + else + notsupp="$notsupp $dir" + fi + fi + fi + if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then + target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` + if test -r $srcdir/$dirname/configure ; then + if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then + true + else + notsupp="$notsupp $dir" + fi + fi + fi +done + +# Sometimes the tools are distributed with libiberty but with no other +# libraries. In that case, we don't want to build target-libiberty. +if test -n "${target_configdirs}" ; then + others= + for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do + if test "$i" != "libiberty" ; then + if test -r $srcdir/$i/configure ; then + others=yes; + break; + fi + fi + done + if test -z "${others}" ; then + target_configdirs= fi - if test ! -r ${link} ; then - echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2 +fi + +# Quietly strip out all directories which aren't configurable in this tree. +# This relies on all configurable subdirectories being autoconfiscated, which +# is now the case. +configdirs_all="$configdirs" +configdirs= +for i in ${configdirs_all} ; do + if test -f ${srcdir}/$i/configure ; then + configdirs="${configdirs} $i" + fi +done +target_configdirs_all="$target_configdirs" +target_configdirs= +for i in ${target_configdirs_all} ; do + j=`echo $i | sed -e s/target-//g` + if test -f ${srcdir}/$j/configure ; then + target_configdirs="${target_configdirs} $i" + fi +done + +# Produce a warning message for the subdirs we can't configure. +# This isn't especially interesting in the Cygnus tree, but in the individual +# FSF releases, it's important to let people know when their machine isn't +# supported by the one or two programs in a package. + +if test -n "${notsupp}" && test -z "${norecursion}" ; then + # If $appdirs is non-empty, at least one of those directories must still + # be configured, or we error out. (E.g., if the gas release supports a + # specified target in some subdirs but not the gas subdir, we shouldn't + # pretend that all is well.) + if test -n "$appdirs" ; then + for dir in $appdirs ; do + if test -r $dir/Makefile.in ; then + if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then + appdirs="" + break + fi + if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then + appdirs="" + break + fi + fi + done + if test -n "$appdirs" ; then + echo "*** This configuration is not supported by this package." 1>&2 + exit 1 + fi + fi + # Okay, some application will build, or we don't care to check. Still + # notify of subdirs not getting built. + echo "*** This configuration is not supported in the following subdirectories:" 1>&2 + echo " ${notsupp}" 1>&2 + echo " (Any other directories should still work fine.)" 1>&2 +fi + +case "$host" in + *msdosdjgpp*) + enable_gdbtk=no ;; +esac + +copy_dirs= + +# Handle --with-headers=XXX. If the value is not "yes", the contents of +# the named directory are copied to $(tooldir)/sys-include. +if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then + if test x${is_cross_compiler} = xno ; then + echo 1>&2 '***' --with-headers is only supported when cross compiling exit 1 fi + if test x"${with_headers}" != xyes ; then + case "${exec_prefixoption}" in + "") x=${prefix} ;; + *) x=${exec_prefix} ;; + esac + copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include" + fi +fi - echo "Linked \"${link}\" to \"${srcfile}\"." +# Handle --with-libs=XXX. If the value is not "yes", the contents of +# the name directories are copied to $(tooldir)/lib. Multiple directories +# are permitted. +if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then + if test x${is_cross_compiler} = xno ; then + echo 1>&2 '***' --with-libs is only supported when cross compiling + exit 1 + fi + if test x"${with_libs}" != xyes ; then + # Copy the libraries in reverse order, so that files in the first named + # library override files in subsequent libraries. + case "${exec_prefixoption}" in + "") x=${prefix} ;; + *) x=${exec_prefix} ;; + esac + for l in ${with_libs}; do + copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}" + done + fi +fi + +# Handle ${copy_dirs} +set fnord ${copy_dirs} +shift +while test $# != 0 ; do + if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then + : + else + echo Copying $1 to $2 + + # Use the install script to create the directory and all required + # parent directories. + if test -d $2 ; then + : + else + echo >config.temp + ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED + fi + + # Copy the directory, assuming we have tar. + # FIXME: Should we use B in the second tar? Not all systems support it. + (cd $1; tar -cf - .) | (cd $2; tar -xpf -) + + # It is the responsibility of the user to correctly adjust all + # symlinks. If somebody can figure out how to handle them correctly + # here, feel free to add the code. + + echo $1 > $2/COPIED + fi + shift; shift done +extra_arflags_for_target= +extra_nmflags_for_target= +extra_ranlibflags_for_target= +target_makefile_frag=/dev/null +case "${target}" in + i[[3456789]]86-*-netware*) + target_makefile_frag="config/mt-netware" + ;; + powerpc-*-netware*) + target_makefile_frag="config/mt-netware" + ;; + *-*-linux*) + target_makefile_frag="config/mt-linux" + ;; + *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) + # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm + # commands to handle both 32-bit and 64-bit objects. These flags are + # harmless if we're using GNU nm or ar. + extra_arflags_for_target=" -X32_64" + extra_nmflags_for_target=" -B -X32_64" + ;; + *-*-darwin*) + # ranlib from Darwin requires the -c flag to look at common symbols. + extra_ranlibflags_for_target=" -c" + ;; + mips*-*-pe | sh*-*-pe | *arm-wince-pe) + target_makefile_frag="config/mt-wince" + ;; +esac + +alphaieee_frag=/dev/null +case $target in + alpha*-*-*) + # This just makes sure to use the -mieee option to build target libs. + # This should probably be set individually by each library. + alphaieee_frag="config/mt-alphaieee" + ;; +esac + +# If --enable-target-optspace always use -Os instead of -O2 to build +# the target libraries, similarly if it is not specified, use -Os +# on selected platforms. +ospace_frag=/dev/null +case "${enable_target_optspace}:${target}" in + yes:*) + ospace_frag="config/mt-ospace" + ;; + :d30v-*) + ospace_frag="config/mt-d30v" + ;; + :m32r-* | :d10v-* | :fr30-*) + ospace_frag="config/mt-ospace" + ;; + no:* | :*) + ;; + *) + echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 + ;; +esac + +# Set with_gnu_as and with_gnu_ld as appropriate. +# +# This is done by determining whether or not the appropriate directory +# is available, and by checking whether or not specific configurations +# have requested that this magic not happen. +# +# The command line options always override the explicit settings in +# configure.in, and the settings in configure.in override this magic. +# +# If the default for a toolchain is to use GNU as and ld, and you don't +# want to do that, then you should use the --without-gnu-as and +# --without-gnu-ld options for the configure script. + +if test x${use_gnu_as} = x && + echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then + with_gnu_as=yes + extra_host_args="$extra_host_args --with-gnu-as" +fi + +if test x${use_gnu_ld} = x && + echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then + with_gnu_ld=yes + extra_host_args="$extra_host_args --with-gnu-ld" +fi + +# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure +# can detect this case. + +if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then + with_newlib=yes + extra_host_args="$extra_host_args --with-newlib" +fi + + +# Default to using --with-stabs for certain targets. +if test x${with_stabs} = x ; then + case "${target}" in + mips*-*-irix[[56]]*) + ;; + mips*-*-* | alpha*-*-osf*) + with_stabs=yes; + extra_host_args="${extra_host_args} --with-stabs" + ;; + esac +fi + +# hpux11 in 64bit mode has libraries in a weird place. Arrange to find +# them automatically. +case "${host}" in + hppa*64*-*-hpux11*) + extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include" + ;; +esac + +# Some systems (e.g., one of the i386-aix systems the gas testers are +# using) don't handle "\$" correctly, so don't use it here. +tooldir='${exec_prefix}'/${target_alias} +build_tooldir=${tooldir} + +# Generate default definitions for YACC, M4, LEX. These are used if the +# Makefile can't locate these programs in objdir. +MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing +AC_CHECK_PROGS([DEFAULT_YACC], ['bison -y' byacc yacc], [$MISSING bison]) +AC_CHECK_PROGS([DEFAULT_M4], [gm4 gnum4 m4], [$MISSING m4]) +AC_CHECK_PROGS([DEFAULT_LEX], [flex lex], [$MISSING flex]) + # Create a .gdbinit file which runs the one in srcdir # and tells GDB to look there for source files. @@ -2047,7 +1996,6 @@ AC_SUBST(SET_LIB_PATH) AC_SUBST(RPATH_ENVVAR) AC_SUBST(BUILD_PREFIX) AC_SUBST(BUILD_PREFIX_1) -AC_SUBST(configlinks) AC_SUBST(gcc_version_trigger) AC_SUBST(gcc_version) AC_SUBST(tooldir) @@ -2154,4 +2102,37 @@ fi MAINT=$MAINTAINER_MODE_TRUE AC_SUBST(MAINT)dnl +# --------------------- +# GCC bootstrap support +# --------------------- + +# Stage specific cflags for build. +stage1_cflags="-g" +case $build in + vax-*-*) + case ${GCC} in + yes) stage1_cflags="-g -Wa,-J" ;; + *) stage1_cflags="-g -J" ;; + esac ;; + powerpc-*-darwin*) + # The spiffy cpp-precomp chokes on some legitimate constructs in GCC + # sources; use -no-cpp-precomp to get to GNU cpp. + # Apple's GCC has bugs in designated initializer handling, so disable + # that too. + stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0" + ;; +esac +AC_SUBST(stage1_cflags) + +# Enable -Werror in bootstrap stage2 and later. +# Change the default to "no" on release branches. +AC_ARG_ENABLE(werror, +[ --enable-werror enable -Werror in bootstrap stage2 and later], [], +[enable_werror=yes]) +case ${enable_error} in + yes) WERROR=-Werror ;; + *) WERROR= ;; +esac +AC_SUBST(WERROR) + AC_OUTPUT(Makefile) |