gcc/config/acx.m4
Nathanael Nerode 671aa708d9 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
2002-12-28 06:57:50 +00:00

84 lines
2.3 KiB
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# 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