-AC_DEFUN([AX_C_COMPILER_VERSION],[
-
- dnl Print version of C compiler
- AC_MSG_CHECKING("C Compiler version--$GCC")
- AS_IF([test "$GCC" = "yes"],[
- CC_VERSION=`$CC --version | sed 1q` ],[
- test "$SUNCC" = "yes"],[
- CC_VERSION=`$CC -V 2>&1 | sed 1q` ],[
- test "$CLANG" = "yes"],[
- CC_VERSION=`$CC --version 2>&1 | sed 1q` ],[
- CC_VERSION=""
- ])
- AC_MSG_RESULT("$CC_VERSION")
- AC_SUBST(CC_VERSION)
- ])
-
+# ===========================================================================
+# https://github.com/BrianAker/ddm4/
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AX_COMPILER_VERSION()
+#
+# DESCRIPTION
+#
+# Capture version of C/C++ compiler
+#
+# LICENSE
+#
+# Copyright (C) 2012 Brian Aker
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#
+# * The names of its contributors may not be used to endorse or
+# promote products derived from this software without specific prior
+# written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-AC_DEFUN([AX_CXX_COMPILER_VERSION], [
+#serial 5
+AC_DEFUN([_C_COMPILER_VERSION],
+ [AC_MSG_CHECKING([C Compiler version])
- dnl Check C version while at it
- AC_REQUIRE([AX_C_COMPILER_VERSION])
+ AS_CASE(["$ax_cv_c_compiler_vendor"],
+ [sun],[ax_c_compiler_version=`$CC -V 2>&1 | sed 1q`],
+ [intel],[ax_c_compiler_version=`$CC --version 2>&1 | sed 1q`],
+ [clang],[ax_c_compiler_version=`$CC --version 2>&1 | sed 1q`],
+ [gnu],[ax_c_compiler_version=`$CC --version | sed 1q`],
+ [mingw],[ax_c_compiler_version=`$CC --version | sed 1q`],
+ [ax_c_compiler_version="unknown: $ax_cv_c_compiler_vendor"])
- dnl Print version of CXX compiler
- AC_MSG_CHECKING("C++ Compiler version")
- AS_IF([test "$GCC" = "yes"],[
- CXX_VERSION=`$CXX --version | sed 1q` ],[
- test "$SUNCC" = "yes"],[
- CXX_VERSION=`$CXX -V 2>&1 | sed 1q` ],[
- test "$CLANG" = "yes"],[
- CXX_VERSION=`$CXX --version 2>&1 | sed 1q` ],[
- CXX_VERSION=""
- ])
- AC_MSG_RESULT("$CXX_VERSION")
- AC_SUBST(CXX_VERSION)
+ AC_MSG_RESULT(["$ax_c_compiler_version"])
+ AC_SUBST([CC_VERSION_VENDOR],["$ax_cv_c_compiler_vendor"])
+ AC_SUBST([CC_VERSION],["$ax_c_compiler_version"])
])
+AC_DEFUN([_CXX_COMPILER_VERSION],
+ [AC_MSG_CHECKING([C++ Compiler version])
+
+ AS_CASE(["$ax_cv_c_compiler_vendor"],
+ [sun],[ax_cxx_compiler_version=`$CXX -V 2>&1 | sed 1q`],
+ [intel],[ax_cxx_compiler_version=`$CXX --version 2>&1 | sed 1q`],
+ [clang],[ax_cxx_compiler_version=`$CXX --version 2>&1 | sed 1q`],
+ [gnu],[ax_cxx_compiler_version=`$CXX --version | sed 1q`],
+ [mingw],[ax_cxx_compiler_version=`$CXX --version | sed 1q`],
+ [ax_cxx_compiler_version="unknown: $ax_cv_c_compiler_vendor"])
+
+ AC_MSG_RESULT(["$ax_cxx_compiler_version"])
+ AC_SUBST([CXX_VERSION_VENDOR],["$ax_cv_c_compiler_vendor"])
+ AC_SUBST([CXX_VERSION],["$ax_cxx_compiler_version"])
+ ])
+
+AC_DEFUN([AX_COMPILER_VERSION],
+ [AC_REQUIRE([AX_COMPILER_VENDOR])
+
+ AC_MSG_CHECKING([MINGW])
+ AC_CHECK_DECL([__MINGW32__],
+ [MINGW=yes
+ ax_c_compiler_version_vendor=mingw],
+ [MINGW=no])
+ AC_MSG_RESULT([$MINGW])
+
+ AC_REQUIRE([_C_COMPILER_VERSION])
+ AC_REQUIRE([_CXX_COMPILER_VERSION])
+ AS_IF([test "x$GCC" = xyes],
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#if !defined(__GNUC__) || (__GNUC__ < 4) || ((__GNUC__ >= 4) && (__GNUC_MINOR__ < 7))
+# error GCC is Too Old!
+#endif
+ ]])],
+ [ac_c_gcc_recent=yes],
+ [ac_c_gcc_recent=no])
+ ])
+ ])