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      1 # ===========================================================================
      2 #    http://www.gnu.org/software/autoconf-archive/ax_lang_compiler_ms.html
      3 # ===========================================================================
      4 #
      5 # SYNOPSIS
      6 #
      7 #   AX_LANG_COMPILER_MS
      8 #
      9 # DESCRIPTION
     10 #
     11 #   Check whether the compiler for the current language is Microsoft.
     12 #
     13 #   This macro is modeled after _AC_LANG_COMPILER_GNU in the GNU Autoconf
     14 #   implementation.
     15 #
     16 # LICENSE
     17 #
     18 #   Copyright (c) 2009 Braden McDaniel <braden (a] endoframe.com>
     19 #
     20 #   Copying and distribution of this file, with or without modification, are
     21 #   permitted in any medium without royalty provided the copyright notice
     22 #   and this notice are preserved. This file is offered as-is, without any
     23 #   warranty.
     24 
     25 #serial 8
     26 
     27 AC_DEFUN([AX_LANG_COMPILER_MS],
     28 [AC_CACHE_CHECK([whether we are using the Microsoft _AC_LANG compiler],
     29                 [ax_cv_[]_AC_LANG_ABBREV[]_compiler_ms],
     30 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[#ifndef _MSC_VER
     31        choke me
     32 #endif
     33 ]])],
     34                    [ax_compiler_ms=yes],
     35                    [ax_compiler_ms=no])
     36 ax_cv_[]_AC_LANG_ABBREV[]_compiler_ms=$ax_compiler_ms
     37 ])])
     38