git.m6w6.name Git - m6w6/libmemcached/blob - 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     ])