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author | Nathanael Nerode <neroden@gcc.gnu.org> | 2002-12-28 06:57:50 +0000 |
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committer | Nathanael Nerode <neroden@gcc.gnu.org> | 2002-12-28 06:57:50 +0000 |
commit | 671aa708d903a497bde36f771b2af6b0d4c0fbe3 (patch) | |
tree | eabe71655a9d4325ad5004da39f7d32851872fee /config/acx.m4 | |
parent | dfe5a36e9576498d7aa9555e138b21f6ba9ee214 (diff) | |
download | gcc-671aa708d903a497bde36f771b2af6b0d4c0fbe3.zip gcc-671aa708d903a497bde36f771b2af6b0d4c0fbe3.tar.gz gcc-671aa708d903a497bde36f771b2af6b0d4c0fbe3.tar.bz2 |
configure.in: Convert to autoconf script.
(toplev)
* configure.in: Convert to autoconf script. Blow away lots
of now-redundant Makefile fragments.
* configure: Generate using Autoconf.
* Makefile.tpl: Rewrite to reflect autoconfiscation.
* Makefile.in: Regenerate.
(config)
* acx.m4: New.
* mh-a68bsd, mh-aix386, mh-apollo68, mh-delta88, mh-hp300,
mh-hpux, mh-hpux8, mh-irix5, mh-irix6, mh-ncrsvr43, mh-openedition,
mh-riscos, mh-sysv: Delete.
* mh-cxux, mh-dgux386, mh-interix, mh-lynxrs6k, mh-ncr3000,
mh-necv4, mh-sco, mh-solaris, mh-sysv4, mh-sysv5, mt-v810: Simplify.
From-SVN: r60558
Diffstat (limited to 'config/acx.m4')
-rw-r--r-- | config/acx.m4 | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/config/acx.m4 b/config/acx.m4 new file mode 100644 index 0000000..36bc9be --- /dev/null +++ b/config/acx.m4 @@ -0,0 +1,83 @@ +# Autoconf M4 include file defining utility macros for complex Canadian +# cross builds. + +#### +# _NCN_TOOL_PREFIXES: Some stuff that oughtta be done in AC_CANONICAL_SYSTEM +# or AC_INIT. +# These demand that AC_CANONICAL_SYSTEM be called beforehand. +AC_DEFUN([_NCN_TOOL_PREFIXES], +[ncn_tool_prefix= +test -n "$host_alias" && ncn_tool_prefix=$host_alias- +ncn_target_tool_prefix= +test -n "$target_alias" && ncn_target_tool_prefix=$target_alias- +]) []dnl # _NCN_TOOL_PREFIXES + +#### +# NCN_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path]) +# Like AC_CHECK_TOOL, but tries a prefix of the target, not the host. +# Code is pretty much lifted from autoconf2.53. + +AC_DEFUN([NCN_CHECK_TARGET_TOOL], +[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl +if test -n "$ncn_target_tool_prefix"; then + AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2], + [${ncn_target_tool_prefix}$2], , [$4]) +fi +if test -z "$ac_cv_prog_$1" ; then + ncn_ct_$1=$$1 + AC_CHECK_PROG([ncn_ct_$1], [$2], [$2], [$3], [$4]) + $1=$ncn_ct_$1 +else + $1="$ac_cv_prog_$1" +fi +]) []dnl # NCN_CHECK_TARGET_TOOL + + +#### +# NCN_STRICT_CHECK_TOOL(variable, prog-to-check-for,[value-if-not-found],[path]) +# Like AC_CHECK_TOOL, but requires the prefix if build!=host. + +AC_DEFUN([NCN_STRICT_CHECK_TOOL], +[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl +if test -n "$ncn_tool_prefix"; then + AC_CHECK_PROG([$1], [${ncn_tool_prefix}$2], + [${ncn_tool_prefix}$2], , [$4]) +fi +if test -z "$ac_cv_prog_$1" ; then + if test $build = $host ; then + ncn_ct_$1=$$1 + AC_CHECK_PROG([ncn_ct_$1], [$2], [$2], [$3], [$4]) + $1=$ncn_ct_$1 + else + $1="$3" + fi +else + $1="$ac_cv_prog_$1" +fi +]) []dnl # NCN_STRICT_CHECK_TOOL + + +#### +# NCN_STRICT_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path]) +# Like NCN_CHECK_TARGET_TOOL, but requires the prefix if build!=target. + +AC_DEFUN([NCN_STRICT_CHECK_TARGET_TOOL], +[AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl +if test -n "$ncn_target_tool_prefix"; then + AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2], + [${ncn_target_tool_prefix}$2], , [$4]) +fi +if test -z "$ac_cv_prog_$1" ; then + if test $build = $target ; then + ncn_ct_$1=$$1 + AC_CHECK_PROG([ncn_ct_$1], [$2], [$2], [$3], [$4]) + $1=$ncn_ct_$1 + else + $1="$3" + fi +else + $1="$ac_cv_prog_$1" +fi +]) []dnl # NCN_STRICT_CHECK_TARGET_TOOL + + |