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authorReuben Thomas <rrt@sc3d.org>2009-08-06 22:39:54 +0100
committerReuben Thomas <rrt@sc3d.org>2009-08-06 22:39:54 +0100
commit3ea011f8cd6c4c47bdd8e9779169efe2ad05caa6 (patch)
treeb985d888c9fc54bb8bbf7a7b7b6c3178fc58bb11 /m4/ax_cxx_have_std.m4
parent2ff01bdb018a1a1bc9e5800314d70e06972192cc (diff)
downloadautoconf-archive-3ea011f8cd6c4c47bdd8e9779169efe2ad05caa6.tar.gz
Rename AC_ prefixes to AX_ (only in names of aa macros!).
Diffstat (limited to 'm4/ax_cxx_have_std.m4')
-rw-r--r--m4/ax_cxx_have_std.m442
1 files changed, 42 insertions, 0 deletions
diff --git a/m4/ax_cxx_have_std.m4 b/m4/ax_cxx_have_std.m4
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+# ===========================================================================
+# http://www.nongnu.org/autoconf-archive/ax_cxx_have_std.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AX_CXX_HAVE_STD
+#
+# DESCRIPTION
+#
+# If the compiler supports ISO C++ standard library (i.e., can include the
+# files iostream, map, iomanip and cmath), define HAVE_STD.
+#
+# LICENSE
+#
+# Copyright (c) 2008 Todd Veldhuizen
+# Copyright (c) 2008 Luc Maisonobe <luc@spaceroots.org>
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved.
+
+AC_DEFUN([AX_CXX_HAVE_STD],
+[AC_CACHE_CHECK(whether the compiler supports ISO C++ standard library,
+ac_cv_cxx_have_std,
+[AC_REQUIRE([AC_CXX_NAMESPACES])
+ AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+ AC_TRY_COMPILE([#include <iostream>
+#include <map>
+#include <iomanip>
+#include <cmath>
+#ifdef HAVE_NAMESPACES
+using namespace std;
+#endif],[return 0;],
+ ac_cv_cxx_have_std=yes, ac_cv_cxx_have_std=no)
+ AC_LANG_RESTORE
+])
+if test "$ac_cv_cxx_have_std" = yes; then
+ AC_DEFINE(HAVE_STD,,[define if the compiler supports ISO C++ standard library])
+fi
+])