Rename AC_ prefixes to AX_ (only in names of aa macros!).

1 files changed, 72 insertions, 0 deletions

diff --git a/m4/ax_cxx_have_ext_hash_map.m4 b/m4/ax_cxx_have_ext_hash_map.m4
new file mode 100644
index 0000000..61dfc35
--- /dev/null
+++ b/m4/ax_cxx_have_ext_hash_map.m4
@@ -0,0 +1,72 @@
+# ===========================================================================
+#    http://www.nongnu.org/autoconf-archive/ax_cxx_have_ext_hash_map.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_CXX_HAVE_EXT_HASH_MAP
+#
+# DESCRIPTION
+#
+#   Check if the compiler has ext/hash_map Eg:
+#
+#     #if defined(HAVE_EXT_HASH_MAP)
+#     #include <ext/hash_map>
+#     #else
+#     #if defined(HAVE_STL)
+#     #include <hash_map>
+#     #else
+#     # Can't find hash_map header !
+#     #endif
+#     #endif
+#
+#   This file is Alain BARBET's AC_CXX_HAVE_EXT_HASH_SET 1.1 with
+#   s/set/map/g :)
+#
+# LICENSE
+#
+#   Copyright (c) 2008 Perceval ANICHINI
+#
+#   This program is free software; you can redistribute it and/or modify it
+#   under the terms of the GNU General Public License as published by the
+#   Free Software Foundation; either version 2 of the License, or (at your
+#   option) any later version.
+#
+#   This program is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+#   Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License along
+#   with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+#   As a special exception, the respective Autoconf Macro's copyright owner
+#   gives unlimited permission to copy, distribute and modify the configure
+#   scripts that are the output of Autoconf when processing the Macro. You
+#   need not follow the terms of the GNU General Public License when using
+#   or distributing such scripts, even though portions of the text of the
+#   Macro appear in them. The GNU General Public License (GPL) does govern
+#   all other use of the material that constitutes the Autoconf Macro.
+#
+#   This special exception to the GPL applies to versions of the Autoconf
+#   Macro released by the Autoconf Archive. When you make and distribute a
+#   modified version of the Autoconf Macro, you may extend this special
+#   exception to the GPL to apply to your modified version as well.
+
+AC_DEFUN([AX_CXX_HAVE_EXT_HASH_MAP],
+[AC_CACHE_CHECK(whether the compiler has ext/hash_map,
+ac_cv_cxx_have_ext_hash_map,
+[AC_REQUIRE([AC_CXX_NAMESPACES])
+  AC_LANG_SAVE
+  AC_LANG_CPLUSPLUS
+  AC_TRY_COMPILE([#include <ext/hash_map>
+#ifdef HAVE_NAMESPACES
+using namespace std;
+#endif],[hash_map<int, int> t; return 0;],
+  ac_cv_cxx_have_ext_hash_map=yes, ac_cv_cxx_have_ext_hash_map=no)
+  AC_LANG_RESTORE
+])
+if test "$ac_cv_cxx_have_ext_hash_map" = yes; then
+   AC_DEFINE(HAVE_EXT_HASH_MAP,,[define if the compiler has ext/hash_map])
+fi
+])