78 lines
2.9 KiB
Plaintext
78 lines
2.9 KiB
Plaintext
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_cc_for_build.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_CC_FOR_BUILD
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#
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# DESCRIPTION
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#
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# Find a build-time compiler. Sets CC_FOR_BUILD and EXEEXT_FOR_BUILD.
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#
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# LICENSE
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#
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# Copyright (c) 2010 Reuben Thomas <rrt@sc3d.org>
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# Copyright (c) 1999 Richard Henderson <rth@redhat.com>
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 2
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dnl Get a default for CC_FOR_BUILD to put into Makefile.
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AC_DEFUN([AX_CC_FOR_BUILD],
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[# Put a plausible default for CC_FOR_BUILD in Makefile.
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if test -z "$CC_FOR_BUILD"; then
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if test "x$cross_compiling" = "xno"; then
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CC_FOR_BUILD='$(CC)'
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else
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CC_FOR_BUILD=gcc
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fi
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fi
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AC_SUBST(CC_FOR_BUILD)
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# Also set EXEEXT_FOR_BUILD.
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if test "x$cross_compiling" = "xno"; then
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EXEEXT_FOR_BUILD='$(EXEEXT)'
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else
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AC_CACHE_CHECK([for build system executable suffix], bfd_cv_build_exeext,
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[rm -f conftest*
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echo 'int main () { return 0; }' > conftest.c
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bfd_cv_build_exeext=
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${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5
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for file in conftest.*; do
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case $file in
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*.c | *.o | *.obj | *.ilk | *.pdb) ;;
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*) bfd_cv_build_exeext=`echo $file | sed -e s/conftest//` ;;
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esac
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done
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rm -f conftest*
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test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no])
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EXEEXT_FOR_BUILD=""
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test x"${bfd_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${bfd_cv_build_exeext}
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fi
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AC_SUBST(EXEEXT_FOR_BUILD)])dnl
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