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