Merge lp:~tangent-org/libmemcached/1.0-build/ Build: jenkins-Libmemcached-187
[m6w6/libmemcached] / m4 / ax_compiler_version.m4
1 # ===========================================================================
2 # https://github.com/BrianAker/ddm4/
3 # ===========================================================================
4 #
5 # SYNOPSIS
6 #
7 # AX_COMPILER_VERSION()
8 #
9 # DESCRIPTION
10 #
11 # Capture version of C/C++ compiler
12 #
13 # LICENSE
14 #
15 # Copyright (C) 2012 Brian Aker
16 # All rights reserved.
17 #
18 # Redistribution and use in source and binary forms, with or without
19 # modification, are permitted provided that the following conditions are
20 # met:
21 #
22 # * Redistributions of source code must retain the above copyright
23 # notice, this list of conditions and the following disclaimer.
24 #
25 # * Redistributions in binary form must reproduce the above
26 # copyright notice, this list of conditions and the following disclaimer
27 # in the documentation and/or other materials provided with the
28 # distribution.
29 #
30 # * The names of its contributors may not be used to endorse or
31 # promote products derived from this software without specific prior
32 # written permission.
33 #
34 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
35 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
36 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
37 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
38 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
39 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
40 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
41 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
42 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
43 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
44 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45
46 #serial 5
47 AC_DEFUN([_C_COMPILER_VERSION],
48 [AC_MSG_CHECKING([C Compiler version])
49
50 AS_CASE(["$ax_cv_c_compiler_vendor"],
51 [sun],[ax_c_compiler_version=`$CC -V 2>&1 | sed 1q`],
52 [intel],[ax_c_compiler_version=`$CC --version 2>&1 | sed 1q`],
53 [clang],[ax_c_compiler_version=`$CC --version 2>&1 | sed 1q`],
54 [gnu],[ax_c_compiler_version=`$CC --version | sed 1q`],
55 [mingw],[ax_c_compiler_version=`$CC --version | sed 1q`],
56 [ax_c_compiler_version="unknown: $ax_cv_c_compiler_vendor"])
57
58 AC_MSG_RESULT(["$ax_c_compiler_version"])
59 AC_SUBST([CC_VERSION_VENDOR],["$ax_cv_c_compiler_vendor"])
60 AC_SUBST([CC_VERSION],["$ax_c_compiler_version"])
61 ])
62
63 AC_DEFUN([_CXX_COMPILER_VERSION],
64 [AC_MSG_CHECKING([C++ Compiler version])
65
66 AS_CASE(["$ax_cv_c_compiler_vendor"],
67 [sun],[ax_cxx_compiler_version=`$CXX -V 2>&1 | sed 1q`],
68 [intel],[ax_cxx_compiler_version=`$CXX --version 2>&1 | sed 1q`],
69 [clang],[ax_cxx_compiler_version=`$CXX --version 2>&1 | sed 1q`],
70 [gnu],[ax_cxx_compiler_version=`$CXX --version | sed 1q`],
71 [mingw],[ax_cxx_compiler_version=`$CXX --version | sed 1q`],
72 [ax_cxx_compiler_version="unknown: $ax_cv_c_compiler_vendor"])
73
74 AC_MSG_RESULT(["$ax_cxx_compiler_version"])
75 AC_SUBST([CXX_VERSION_VENDOR],["$ax_cv_c_compiler_vendor"])
76 AC_SUBST([CXX_VERSION],["$ax_cxx_compiler_version"])
77 ])
78
79 AC_DEFUN([AX_COMPILER_VERSION],
80 [AC_REQUIRE([AX_COMPILER_VENDOR])
81
82 AC_MSG_CHECKING([MINGW])
83 AC_CHECK_DECL([__MINGW32__],
84 [MINGW=yes
85 ax_c_compiler_version_vendor=mingw],
86 [MINGW=no])
87 AC_MSG_RESULT([$MINGW])
88
89 AC_REQUIRE([_C_COMPILER_VERSION])
90 AC_REQUIRE([_CXX_COMPILER_VERSION])
91 AS_IF([test "x$GCC" = xyes],
92 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
93 #if !defined(__GNUC__) || (__GNUC__ < 4) || ((__GNUC__ >= 4) && (__GNUC_MINOR__ < 7))
94 # error GCC is Too Old!
95 #endif
96 ]])],
97 [ac_c_gcc_recent=yes],
98 [ac_c_gcc_recent=no])
99 ])
100 ])