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authorNathanael Nerode <neroden@gcc.gnu.org>2004-03-11 05:15:36 +0000
committerNathanael Nerode <neroden@gcc.gnu.org>2004-03-11 05:15:36 +0000
commit78ad2b95289cccc1c001c6a8ee13c16a06254435 (patch)
tree8840e5841480a95bb7ac4ac471d65e97b6c1b3ff /configure.in
parent5f5ed894f5022cf92cfaad2e13d1084a9de5c16e (diff)
downloadgdb-78ad2b95289cccc1c001c6a8ee13c16a06254435.tar.gz
(top level)
2004-03-11 Nathanael Nerode <neroden@gcc.gnu.org> * configure: Regenerate. 2004-03-08 Paolo Bonzini <bonzini@gnu.org> PR ada/14131 Move language detection to the top level. * configure.in: Find default values for the tools as soon as possible. Disable ada if GNAT is not found. Emit error message about missing languages. Expand --enable-languages=all for the gcc subdirectory. (config) 2004-03-08 Paolo Bonzini <bonzini@gnu.org> PR ada/14131 Move language detection to the top level. * acx.m4 (ACX_PROG_GNAT): New macro, moved here from the gcc subdirectory. 2004-03-09 Hans-Peter Nilsson <hp@axis.com> * accross.m4 (AC_C_BIGENDIAN_CROSS): Compile endian probe with "-c". Properly quote parameter for AC_MSG_ERROR.
Diffstat (limited to 'configure.in')
-rw-r--r--configure.in836
1 files changed, 433 insertions, 403 deletions
diff --git a/configure.in b/configure.in
index 6b8154a3549..485d8f3b6eb 100644
--- a/configure.in
+++ b/configure.in
@@ -747,97 +747,448 @@ case "${noconfigdirs}" in
*target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
esac
+# Work in distributions that contain no compiler tools, like Autoconf.
+tentative_cc=""
+host_makefile_frag=/dev/null
+if test -d ${srcdir}/config ; then
+case "${host}" in
+ m68k-hp-hpux*)
+ # Avoid "too much defining" errors from HPUX compiler.
+ tentative_cc="cc -Wp,-H256000"
+ # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
+ # If it's HP/UX ar, this should be harmless.
+ RANLIB="ar ts"
+ ;;
+ m68k-apollo-sysv*)
+ tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
+ ;;
+ m68k-apollo-bsd*)
+ #None of the Apollo compilers can compile gas or binutils. The preprocessor
+ # chokes on bfd, the compiler won't let you assign integers to enums, and
+ # other problems. Defining CC to gcc is a questionable way to say "don't use
+ # the apollo compiler" (the preferred version of GCC could be called cc,
+ # or whatever), but I'm not sure leaving CC as cc is any better...
+ #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
+ # Used to have BISON=yacc.
+ tentative_cc=gcc
+ ;;
+ m88k-dg-dgux*)
+ tentative_cc="gcc -Wall -ansi -D__using_DGUX"
+ ;;
+ m88k-harris-cxux*)
+ # Under CX/UX, we want to tell the compiler to use ANSI mode.
+ tentative_cc="cc -Xa"
+ host_makefile_frag="config/mh-cxux"
+ ;;
+ m88k-motorola-sysv*)
+ ;;
+ mips*-dec-ultrix*)
+ tentative_cc="cc -Wf,-XNg1000"
+ host_makefile_frag="config/mh-decstation"
+ ;;
+ mips*-nec-sysv4*)
+ # The C compiler on NEC MIPS SVR4 needs bigger tables.
+ tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
+ host_makefile_frag="config/mh-necv4"
+ ;;
+ mips*-sgi-irix4*)
+ # Tell compiler to use K&R C. We can't compile under the SGI Ansi
+ # environment. Also bump switch table size so that cp-parse will
+ # compile. Bump string length limit so linker builds.
+ tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
+ ;;
+ mips*-*-sysv4*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+ mips*-*-sysv*)
+ # This is for a MIPS running RISC/os 4.52C.
+
+ # This is needed for GDB, but needs to be in the top-level make because
+ # if a library is compiled with the bsd headers and gets linked with the
+ # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
+ # a different size).
+ # ptrace(2) apparently has problems in the BSD environment. No workaround is
+ # known except to select the sysv environment. Could we use /proc instead?
+ # These "sysv environments" and "bsd environments" often end up being a pain.
+ #
+ # This is not part of CFLAGS because perhaps not all C compilers have this
+ # option.
+ tentative_cc="cc -systype sysv"
+ ;;
+ i370-ibm-opened*)
+ tentative_cc="c89"
+ ;;
+ i[[3456789]]86-*-sysv5*)
+ host_makefile_frag="config/mh-sysv5"
+ ;;
+ i[[3456789]]86-*-dgux*)
+ tentative_cc="gcc -Wall -ansi -D__using_DGUX"
+ host_makefile_frag="config/mh-dgux386"
+ ;;
+ i[[3456789]]86-ncr-sysv4.3*)
+ # The MetaWare compiler will generate a copyright message unless you
+ # turn it off by adding the -Hnocopyr flag.
+ tentative_cc="cc -Hnocopyr"
+ ;;
+ i[[3456789]]86-ncr-sysv4*)
+ # for an NCR 3000 (i486/SVR4) system.
+ # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
+ # This compiler not only emits obnoxious copyright messages every time
+ # you run it, but it chokes and dies on a whole bunch of GNU source
+ # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
+ tentative_cc="/usr/ccs/ATT/cc"
+ host_makefile_frag="config/mh-ncr3000"
+ ;;
+ i[[3456789]]86-*-sco3.2v5*)
+ ;;
+ i[[3456789]]86-*-sco*)
+ # The native C compiler botches some simple uses of const. Unfortunately,
+ # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
+ tentative_cc="cc -Dconst="
+ host_makefile_frag="config/mh-sco"
+ ;;
+ i[[3456789]]86-*-udk*)
+ host_makefile_frag="config/mh-sysv5"
+ ;;
+ i[[3456789]]86-*-solaris2*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+ i[[3456789]]86-*-msdosdjgpp*)
+ host_makefile_frag="config/mh-djgpp"
+ ;;
+ *-cygwin*)
+ host_makefile_frag="config/mh-cygwin"
+ ;;
+ *-mingw32*)
+ host_makefile_frag="config/mh-mingw32"
+ ;;
+ *-interix*)
+ host_makefile_frag="config/mh-interix"
+ ;;
+ vax-*-ultrix2*)
+ # The old BSD pcc isn't up to compiling parts of gdb so use gcc
+ tentative_cc=gcc
+ ;;
+ *-*-solaris2*)
+ host_makefile_frag="config/mh-solaris"
+ ;;
+ m68k-sun-sunos*)
+ # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
+ # without overflowing the jump tables (-J says to use a 32 bit table)
+ tentative_cc="cc -J"
+ ;;
+ *-hp-hpux*)
+ tentative_cc="cc -Wp,-H256000"
+ ;;
+ *-*-hiux*)
+ tentative_cc="cc -Wp,-H256000"
+ ;;
+ rs6000-*-lynxos*)
+ # /bin/cc is less than useful for our purposes. Always use GCC
+ tentative_cc="/usr/cygnus/progressive/bin/gcc"
+ host_makefile_frag="config/mh-lynxrs6k"
+ ;;
+ *-*-lynxos*)
+ # /bin/cc is less than useful for our purposes. Always use GCC
+ tentative_cc="/bin/gcc"
+ ;;
+ *-*-sysv4*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+esac
+fi
+
+# 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.
+if test -z "${CC}" && test "${build}" = "${host}" ; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ found=
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/gcc; then
+ found=yes
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ if test -z "${found}" && test -n "${tentative_cc}" ; then
+ CC=$tentative_cc
+ fi
+fi
+
+if test "${build}" != "${host}" ; then
+ # If we are doing a Canadian Cross, in which the host and build systems
+ # are not the same, we set reasonable default values for the tools.
+
+ BISON=${BISON-bison}
+ CC=${CC-${host_alias}-gcc}
+ CFLAGS=${CFLAGS-"-g -O2"}
+ CXX=${CXX-${host_alias}-c++}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+ CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
+ CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
+ CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
+ GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
+ GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
+ BUILD_PREFIX=${build_alias}-
+ BUILD_PREFIX_1=${build_alias}-
+ MAKEINFO=${MAKEINFO-makeinfo}
+
+ if test -z "${YACC}" ; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/bison; then
+ YACC="bison -y"
+ break
+ fi
+ if test -f $dir/byacc; then
+ YACC=byacc
+ break
+ fi
+ if test -f $dir/yacc; then
+ YACC=yacc
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ if test -z "${YACC}" ; then
+ YACC="bison -y"
+ fi
+ fi
+
+ if test -z "${LEX}" ; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/flex; then
+ LEX=flex
+ break
+ fi
+ if test -f $dir/lex; then
+ LEX=lex
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ LEX=${LEX-flex}
+ fi
+
+else
+ # Set reasonable default values for some tools even if not Canadian.
+ # Of course, these are different reasonable default values, originally
+ # specified directly in the Makefile.
+ # We don't export, so that autoconf can do its job.
+ # Note that all these settings are above the fragment inclusion point
+ # in Makefile.in, so can still be overridden by fragments.
+ # This is all going to change when we autoconfiscate...
+
+ BISON="\$(USUAL_BISON)"
+ CC_FOR_BUILD="\$(CC)"
+ GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
+ BUILD_PREFIX=
+ BUILD_PREFIX_1=loser-
+ MAKEINFO="\$(USUAL_MAKEINFO)"
+ LEX="\$(USUAL_LEX)"
+ YACC="\$(USUAL_YACC)"
+
+ # If CC is still not set, try to get gcc.
+ cc_prog_is_gcc=
+ if test -z "${CC}" ; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/gcc; then
+ CC="gcc"
+ cc_prog_is_gcc=yes
+ echo 'void f(){}' > conftest.c
+ if test -z "`${CC} -g -c conftest.c 2>&1`"; then
+ CFLAGS=${CFLAGS-"-g -O2"}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+ else
+ CFLAGS=${CFLAGS-"-O2"}
+ CXXFLAGS=${CXXFLAGS-"-O2"}
+ fi
+ rm -f conftest*
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ CC=${CC-cc}
+ else
+ # Determine if we are using gcc.
+ cat > conftest.c <<EOF
+#ifdef __GNUC__
+ yes;
+#endif
+EOF
+ if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
+ cc_prog_is_gcc=yes
+ fi
+ rm -f conftest.c
+ if test -z "${CFLAGS}"; then
+ # Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
+ # is set to a version of gcc.
+ if test "$cc_prog_is_gcc" = yes; then
+ echo 'void f(){}' > conftest.c
+ if test -z "`${CC} -g -c conftest.c 2>&1`"; then
+ CFLAGS=${CFLAGS-"-g -O2"}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+ else
+ CFLAGS=${CFLAGS-"-O2"}
+ CXXFLAGS=${CXXFLAGS-"-O2"}
+ fi
+ rm -f conftest*
+ fi
+ fi
+ fi
+
+ # We must set the default linker to the linker used by gcc for the correct
+ # operation of libtool. If LD is not defined and we are using gcc, try to
+ # set the LD default to the ld used by gcc.
+ if test -z "$LD"; then
+ if test "$cc_prog_is_gcc" = yes; then
+ case $build in
+ *-*-mingw*)
+ gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
+ *)
+ gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
+ esac
+ case $gcc_prog_ld in
+ # Accept absolute paths.
+ [[\\/]* | [A-Za-z]:[\\/]*)]
+ LD="$gcc_prog_ld" ;;
+ esac
+ fi
+ fi
+
+ CXX=${CXX-"c++"}
+ CFLAGS=${CFLAGS-"-g"}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+fi
+
+ACX_PROG_GNAT
+
# 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
+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
+ enable_languages=all
+ fi
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
+ 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
-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}"
+ 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
+
+ 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, and $build_by_default
+ language=
+ target_libs=
+ lang_dirs=
+ 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
;;
- esac
- done
- ;;
- esac
-done
+ *: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,/,/"`" ;;
+ esac
+ ;;
+ 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 $lang_dirs\"
- ;;
- esac
- ;;
- esac
-done
+ missing_languages="`echo "$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.
@@ -1014,157 +1365,6 @@ while test $# != 0 ; do
shift; shift
done
-# Work in distributions that contain no compiler tools, like Autoconf.
-tentative_cc=""
-host_makefile_frag=/dev/null
-if test -d ${srcdir}/config ; then
-case "${host}" in
- m68k-hp-hpux*)
- # Avoid "too much defining" errors from HPUX compiler.
- tentative_cc="cc -Wp,-H256000"
- # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
- # If it's HP/UX ar, this should be harmless.
- RANLIB="ar ts"
- ;;
- m68k-apollo-sysv*)
- tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
- ;;
- m68k-apollo-bsd*)
- #None of the Apollo compilers can compile gas or binutils. The preprocessor
- # chokes on bfd, the compiler won't let you assign integers to enums, and
- # other problems. Defining CC to gcc is a questionable way to say "don't use
- # the apollo compiler" (the preferred version of GCC could be called cc,
- # or whatever), but I'm not sure leaving CC as cc is any better...
- #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
- # Used to have BISON=yacc.
- tentative_cc=gcc
- ;;
- m88k-dg-dgux*)
- tentative_cc="gcc -Wall -ansi -D__using_DGUX"
- ;;
- m88k-harris-cxux*)
- # Under CX/UX, we want to tell the compiler to use ANSI mode.
- tentative_cc="cc -Xa"
- host_makefile_frag="config/mh-cxux"
- ;;
- m88k-motorola-sysv*)
- ;;
- mips*-dec-ultrix*)
- tentative_cc="cc -Wf,-XNg1000"
- host_makefile_frag="config/mh-decstation"
- ;;
- mips*-nec-sysv4*)
- # The C compiler on NEC MIPS SVR4 needs bigger tables.
- tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
- host_makefile_frag="config/mh-necv4"
- ;;
- mips*-sgi-irix4*)
- # Tell compiler to use K&R C. We can't compile under the SGI Ansi
- # environment. Also bump switch table size so that cp-parse will
- # compile. Bump string length limit so linker builds.
- tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
- ;;
- mips*-*-sysv4*)
- host_makefile_frag="config/mh-sysv4"
- ;;
- mips*-*-sysv*)
- # This is for a MIPS running RISC/os 4.52C.
-
- # This is needed for GDB, but needs to be in the top-level make because
- # if a library is compiled with the bsd headers and gets linked with the
- # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
- # a different size).
- # ptrace(2) apparently has problems in the BSD environment. No workaround is
- # known except to select the sysv environment. Could we use /proc instead?
- # These "sysv environments" and "bsd environments" often end up being a pain.
- #
- # This is not part of CFLAGS because perhaps not all C compilers have this
- # option.
- tentative_cc="cc -systype sysv"
- ;;
- i370-ibm-opened*)
- tentative_cc="c89"
- ;;
- i[[3456789]]86-*-sysv5*)
- host_makefile_frag="config/mh-sysv5"
- ;;
- i[[3456789]]86-*-dgux*)
- tentative_cc="gcc -Wall -ansi -D__using_DGUX"
- host_makefile_frag="config/mh-dgux386"
- ;;
- i[[3456789]]86-ncr-sysv4.3*)
- # The MetaWare compiler will generate a copyright message unless you
- # turn it off by adding the -Hnocopyr flag.
- tentative_cc="cc -Hnocopyr"
- ;;
- i[[3456789]]86-ncr-sysv4*)
- # for an NCR 3000 (i486/SVR4) system.
- # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
- # This compiler not only emits obnoxious copyright messages every time
- # you run it, but it chokes and dies on a whole bunch of GNU source
- # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
- tentative_cc="/usr/ccs/ATT/cc"
- host_makefile_frag="config/mh-ncr3000"
- ;;
- i[[3456789]]86-*-sco3.2v5*)
- ;;
- i[[3456789]]86-*-sco*)
- # The native C compiler botches some simple uses of const. Unfortunately,
- # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
- tentative_cc="cc -Dconst="
- host_makefile_frag="config/mh-sco"
- ;;
- i[[3456789]]86-*-udk*)
- host_makefile_frag="config/mh-sysv5"
- ;;
- i[[3456789]]86-*-solaris2*)
- host_makefile_frag="config/mh-sysv4"
- ;;
- i[[3456789]]86-*-msdosdjgpp*)
- host_makefile_frag="config/mh-djgpp"
- ;;
- *-cygwin*)
- host_makefile_frag="config/mh-cygwin"
- ;;
- *-mingw32*)
- host_makefile_frag="config/mh-mingw32"
- ;;
- *-interix*)
- host_makefile_frag="config/mh-interix"
- ;;
- vax-*-ultrix2*)
- # The old BSD pcc isn't up to compiling parts of gdb so use gcc
- tentative_cc=gcc
- ;;
- *-*-solaris2*)
- host_makefile_frag="config/mh-solaris"
- ;;
- m68k-sun-sunos*)
- # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
- # without overflowing the jump tables (-J says to use a 32 bit table)
- tentative_cc="cc -J"
- ;;
- *-hp-hpux*)
- tentative_cc="cc -Wp,-H256000"
- ;;
- *-*-hiux*)
- tentative_cc="cc -Wp,-H256000"
- ;;
- rs6000-*-lynxos*)
- # /bin/cc is less than useful for our purposes. Always use GCC
- tentative_cc="/usr/cygnus/progressive/bin/gcc"
- host_makefile_frag="config/mh-lynxrs6k"
- ;;
- *-*-lynxos*)
- # /bin/cc is less than useful for our purposes. Always use GCC
- tentative_cc="/bin/gcc"
- ;;
- *-*-sysv4*)
- host_makefile_frag="config/mh-sysv4"
- ;;
-esac
-fi
-
extra_arflags_for_target=
extra_nmflags_for_target=
extra_ranlibflags_for_target=
@@ -1279,25 +1479,6 @@ case "${host}" in
;;
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.
-if test -z "${CC}" && test "${build}" = "${host}" ; then
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- found=
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/gcc; then
- found=yes
- break
- fi
- done
- IFS="$save_ifs"
- if test -z "${found}" && test -n "${tentative_cc}" ; then
- CC=$tentative_cc
- fi
-fi
-
# Some systems (e.g., one of the i386-aix systems the gas testers are
# using) don't handle "\$" correctly, so don't use it here.
tooldir='${exec_prefix}'/${target_alias}
@@ -1360,157 +1541,6 @@ do
test -n "$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.
-
- BISON=${BISON-bison}
- CC=${CC-${host_alias}-gcc}
- CFLAGS=${CFLAGS-"-g -O2"}
- CXX=${CXX-${host_alias}-c++}
- CXXFLAGS=${CXXFLAGS-"-g -O2"}
- CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
- CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
- CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
- GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
- GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
- BUILD_PREFIX=${build_alias}-
- BUILD_PREFIX_1=${build_alias}-
- MAKEINFO=${MAKEINFO-makeinfo}
-
- if test -z "${YACC}" ; then
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/bison; then
- YACC="bison -y"
- break
- fi
- if test -f $dir/byacc; then
- YACC=byacc
- break
- fi
- if test -f $dir/yacc; then
- YACC=yacc
- break
- fi
- done
- IFS="$save_ifs"
- if test -z "${YACC}" ; then
- YACC="bison -y"
- fi
- fi
-
- if test -z "${LEX}" ; then
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/flex; then
- LEX=flex
- break
- fi
- if test -f $dir/lex; then
- LEX=lex
- break
- fi
- done
- IFS="$save_ifs"
- LEX=${LEX-flex}
- fi
-
-else
- # Set reasonable default values for some tools even if not Canadian.
- # Of course, these are different reasonable default values, originally
- # specified directly in the Makefile.
- # We don't export, so that autoconf can do its job.
- # Note that all these settings are above the fragment inclusion point
- # in Makefile.in, so can still be overridden by fragments.
- # This is all going to change when we autoconfiscate...
-
- BISON="\$(USUAL_BISON)"
- CC_FOR_BUILD="\$(CC)"
- GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
- BUILD_PREFIX=
- BUILD_PREFIX_1=loser-
- MAKEINFO="\$(USUAL_MAKEINFO)"
- LEX="\$(USUAL_LEX)"
- YACC="\$(USUAL_YACC)"
-
- # If CC is still not set, try to get gcc.
- cc_prog_is_gcc=
- if test -z "${CC}" ; then
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/gcc; then
- CC="gcc"
- cc_prog_is_gcc=yes
- echo 'void f(){}' > conftest.c
- if test -z "`${CC} -g -c conftest.c 2>&1`"; then
- CFLAGS=${CFLAGS-"-g -O2"}
- CXXFLAGS=${CXXFLAGS-"-g -O2"}
- else
- CFLAGS=${CFLAGS-"-O2"}
- CXXFLAGS=${CXXFLAGS-"-O2"}
- fi
- rm -f conftest*
- break
- fi
- done
- IFS="$save_ifs"
- CC=${CC-cc}
- else
- # Determine if we are using gcc.
- cat > conftest.c <<EOF
-#ifdef __GNUC__
- yes;
-#endif
-EOF
- if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
- cc_prog_is_gcc=yes
- fi
- rm -f conftest.c
- if test -z "${CFLAGS}"; then
- # Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
- # is set to a version of gcc.
- if test "$cc_prog_is_gcc" = yes; then
- echo 'void f(){}' > conftest.c
- if test -z "`${CC} -g -c conftest.c 2>&1`"; then
- CFLAGS=${CFLAGS-"-g -O2"}
- CXXFLAGS=${CXXFLAGS-"-g -O2"}
- else
- CFLAGS=${CFLAGS-"-O2"}
- CXXFLAGS=${CXXFLAGS-"-O2"}
- fi
- rm -f conftest*
- fi
- fi
- fi
-
- # We must set the default linker to the linker used by gcc for the correct
- # operation of libtool. If LD is not defined and we are using gcc, try to
- # set the LD default to the ld used by gcc.
- if test -z "$LD"; then
- if test "$cc_prog_is_gcc" = yes; then
- case $build in
- *-*-mingw*)
- gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
- *)
- gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
- esac
- case $gcc_prog_ld in
- # Accept absolute paths.
- [[\\/]* | [A-Za-z]:[\\/]*)]
- LD="$gcc_prog_ld" ;;
- esac
- fi
- fi
-
- CXX=${CXX-"c++"}
- CFLAGS=${CFLAGS-"-g"}
- 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.