1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_gcc_version.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_GCC_VERSION
#
# DESCRIPTION
#
# This macro retrieves the gcc version and returns it in the GCC_VERSION
# variable if available, an empty string otherwise.
#
# LICENSE
#
# Copyright (c) 2009 Francesco Salvestrini <salvestrini@users.sourceforge.net>
#
# 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 2 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 <http://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 7
AC_DEFUN([AX_GCC_VERSION], [
GCC_VERSION=""
AX_GCC_OPTION([-dumpversion],[],[],[
ax_gcc_version_option=yes
],[
ax_gcc_version_option=no
])
AS_IF([test "x$GCC" = "xyes"],[
AS_IF([test "x$ax_gcc_version_option" != "xno"],[
AC_CACHE_CHECK([gcc version],[ax_cv_gcc_version],[
ax_cv_gcc_version="`$CC -dumpversion`"
AS_IF([test "x$ax_cv_gcc_version" = "x"],[
ax_cv_gcc_version=""
])
])
GCC_VERSION=$ax_cv_gcc_version
])
])
AC_SUBST([GCC_VERSION])
])
|
