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

1 files changed, 38 insertions, 0 deletions

diff --git a/m4/ax_cxx_default_template_parameters.m4 b/m4/ax_cxx_default_template_parameters.m4
new file mode 100644
index 0000000..ce5857e
--- /dev/null
+++ b/m4/ax_cxx_default_template_parameters.m4
@@ -0,0 +1,38 @@
+# ================================================================================
+#  http://www.nongnu.org/autoconf-archive/ax_cxx_default_template_parameters.html
+# ================================================================================
+#
+# SYNOPSIS
+#
+#   AX_CXX_DEFAULT_TEMPLATE_PARAMETERS
+#
+# DESCRIPTION
+#
+#   If the compiler supports default template parameters, define
+#   HAVE_DEFAULT_TEMPLATE_PARAMETERS.
+#
+# 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_DEFAULT_TEMPLATE_PARAMETERS],
+[AC_CACHE_CHECK(whether the compiler supports default template parameters,
+ac_cv_cxx_default_template_parameters,
+[AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+ AC_TRY_COMPILE([
+template<class T = double, int N = 10> class A {public: int f() {return 0;}};
+],[A<float> a; return a.f();],
+ ac_cv_cxx_default_template_parameters=yes, ac_cv_cxx_default_template_parameters=no)
+ AC_LANG_RESTORE
+])
+if test "$ac_cv_cxx_default_template_parameters" = yes; then
+  AC_DEFINE(HAVE_DEFAULT_TEMPLATE_PARAMETERS,,
+            [define if the compiler supports default template parameters])
+fi
+])