1*8fa80f29Smrg# =========================================================================== 2*8fa80f29Smrg# http://www.gnu.org/software/autoconf-archive/ax_gcc_version.html 3*8fa80f29Smrg# =========================================================================== 4*8fa80f29Smrg# 5*8fa80f29Smrg# SYNOPSIS 6*8fa80f29Smrg# 7*8fa80f29Smrg# AX_GCC_VERSION 8*8fa80f29Smrg# 9*8fa80f29Smrg# DESCRIPTION 10*8fa80f29Smrg# 11*8fa80f29Smrg# This macro retrieves the gcc version and returns it in the GCC_VERSION 12*8fa80f29Smrg# variable if available, an empty string otherwise. 13*8fa80f29Smrg# 14*8fa80f29Smrg# LICENSE 15*8fa80f29Smrg# 16*8fa80f29Smrg# Copyright (c) 2009 Francesco Salvestrini <salvestrini@users.sourceforge.net> 17*8fa80f29Smrg# 18*8fa80f29Smrg# This program is free software; you can redistribute it and/or modify it 19*8fa80f29Smrg# under the terms of the GNU General Public License as published by the 20*8fa80f29Smrg# Free Software Foundation; either version 2 of the License, or (at your 21*8fa80f29Smrg# option) any later version. 22*8fa80f29Smrg# 23*8fa80f29Smrg# This program is distributed in the hope that it will be useful, but 24*8fa80f29Smrg# WITHOUT ANY WARRANTY; without even the implied warranty of 25*8fa80f29Smrg# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 26*8fa80f29Smrg# Public License for more details. 27*8fa80f29Smrg# 28*8fa80f29Smrg# You should have received a copy of the GNU General Public License along 29*8fa80f29Smrg# with this program. If not, see <http://www.gnu.org/licenses/>. 30*8fa80f29Smrg# 31*8fa80f29Smrg# As a special exception, the respective Autoconf Macro's copyright owner 32*8fa80f29Smrg# gives unlimited permission to copy, distribute and modify the configure 33*8fa80f29Smrg# scripts that are the output of Autoconf when processing the Macro. You 34*8fa80f29Smrg# need not follow the terms of the GNU General Public License when using 35*8fa80f29Smrg# or distributing such scripts, even though portions of the text of the 36*8fa80f29Smrg# Macro appear in them. The GNU General Public License (GPL) does govern 37*8fa80f29Smrg# all other use of the material that constitutes the Autoconf Macro. 38*8fa80f29Smrg# 39*8fa80f29Smrg# This special exception to the GPL applies to versions of the Autoconf 40*8fa80f29Smrg# Macro released by the Autoconf Archive. When you make and distribute a 41*8fa80f29Smrg# modified version of the Autoconf Macro, you may extend this special 42*8fa80f29Smrg# exception to the GPL to apply to your modified version as well. 43*8fa80f29Smrg 44*8fa80f29Smrg#serial 7 45*8fa80f29Smrg 46*8fa80f29SmrgAC_DEFUN([AX_GCC_VERSION], [ 47*8fa80f29Smrg GCC_VERSION="" 48*8fa80f29Smrg AX_GCC_OPTION([-dumpversion],[],[],[ 49*8fa80f29Smrg ax_gcc_version_option=yes 50*8fa80f29Smrg ],[ 51*8fa80f29Smrg ax_gcc_version_option=no 52*8fa80f29Smrg ]) 53*8fa80f29Smrg AS_IF([test "x$GCC" = "xyes"],[ 54*8fa80f29Smrg AS_IF([test "x$ax_gcc_version_option" != "xno"],[ 55*8fa80f29Smrg AC_CACHE_CHECK([gcc version],[ax_cv_gcc_version],[ 56*8fa80f29Smrg ax_cv_gcc_version="`$CC -dumpversion`" 57*8fa80f29Smrg AS_IF([test "x$ax_cv_gcc_version" = "x"],[ 58*8fa80f29Smrg ax_cv_gcc_version="" 59*8fa80f29Smrg ]) 60*8fa80f29Smrg ]) 61*8fa80f29Smrg GCC_VERSION=$ax_cv_gcc_version 62*8fa80f29Smrg ]) 63*8fa80f29Smrg ]) 64*8fa80f29Smrg AC_SUBST([GCC_VERSION]) 65*8fa80f29Smrg]) 66