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

1 files changed, 44 insertions, 0 deletions

diff --git a/m4/ax_cxx_template_scoped_argument_matching.m4 b/m4/ax_cxx_template_scoped_argument_matching.m4
new file mode 100644
index 0000000..e52c9f4
--- /dev/null
+++ b/m4/ax_cxx_template_scoped_argument_matching.m4
@@ -0,0 +1,44 @@
+# ======================================================================================
+#  http://www.nongnu.org/autoconf-archive/ax_cxx_template_scoped_argument_matching.html
+# ======================================================================================
+#
+# SYNOPSIS
+#
+#   AX_CXX_TEMPLATE_SCOPED_ARGUMENT_MATCHING
+#
+# DESCRIPTION
+#
+#   If the compiler supports function matching with argument types which are
+#   template scope-qualified, define HAVE_TEMPLATE_SCOPED_ARGUMENT_MATCHING.
+#
+# 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_TEMPLATE_SCOPED_ARGUMENT_MATCHING],
+[AC_CACHE_CHECK(whether the compiler supports function matching with argument types which are template scope-qualified,
+ac_cv_cxx_template_scoped_argument_matching,
+[AC_REQUIRE([AC_CXX_TYPENAME])
+ AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+ AC_TRY_COMPILE([
+#ifndef HAVE_TYPENAME
+ #define typename
+#endif
+template<class X> class A { public : typedef X W; };
+template<class Y> class B {};
+template<class Y> void operator+(B<Y> d1, typename Y::W d2) {}
+],[B<A<float> > z; z + 0.5f; return 0;],
+ ac_cv_cxx_template_scoped_argument_matching=yes, ac_cv_cxx_template_scoped_argument_matching=no)
+ AC_LANG_RESTORE
+])
+if test "$ac_cv_cxx_template_scoped_argument_matching" = yes; then
+  AC_DEFINE(HAVE_TEMPLATE_SCOPED_ARGUMENT_MATCHING,,
+            [define if the compiler supports function matching with argument types which are template scope-qualified])
+fi
+])