Start revisions of autotools material.

[shibboleth/cpp-opensaml.git] / m4 / acinclude.m4

diff --git a/acinclude.m4 b/m4/acinclude.m4
similarity index 82%
rename from acinclude.m4
rename to m4/acinclude.m4
index ad38341..0448519 100644 (file)
--- a/acinclude.m4
+++ b/m4/acinclude.m4
@@ -8,12 +8,10 @@ dnl
 AC_DEFUN([AC_CXX_NAMESPACES],
 [AC_CACHE_CHECK(whether the compiler implements namespaces,
 ac_cv_cxx_namespaces,
-[AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
- AC_TRY_COMPILE([namespace Outer { namespace Inner { int i = 0; }}],
-                [using namespace Outer::Inner; return i;],
- ac_cv_cxx_namespaces=yes, ac_cv_cxx_namespaces=no)
- AC_LANG_RESTORE
+[
+ AC_LANG_PUSH([C++])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[namespace Outer { namespace Inner { int i = 0; }}]], [[using namespace Outer::Inner; return i;]])],[ac_cv_cxx_namespaces=yes],[ac_cv_cxx_namespaces=no])
+ AC_LANG_POP([])
 ])
 if test "$ac_cv_cxx_namespaces" = yes; then
   AC_DEFINE(HAVE_NAMESPACES,1,[define if the compiler implements namespaces])
@@ -28,16 +26,14 @@ AC_DEFUN([AC_CXX_REQUIRE_STL],
 [AC_CACHE_CHECK(whether the compiler supports Standard Template Library,
 ac_cv_cxx_have_stl,
 [AC_REQUIRE([AC_CXX_NAMESPACES])
- AC_LANG_SAVE
- AC_LANG_CPLUSPLUS
- AC_TRY_COMPILE([#include <list>
+ AC_LANG_PUSH([C++])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <list>
 #include <deque>
 #ifdef HAVE_NAMESPACES
 using namespace std;
-#endif],[list<int> x; x.push_back(5);
-list<int>::iterator iter = x.begin(); if (iter != x.end()) ++iter; return 0;],
- ac_cv_cxx_have_stl=yes, ac_cv_cxx_have_stl=no)
- AC_LANG_RESTORE
+#endif]], [[list<int> x; x.push_back(5);
+list<int>::iterator iter = x.begin(); if (iter != x.end()) ++iter; return 0;]])],[ac_cv_cxx_have_stl=yes],[ac_cv_cxx_have_stl=no])
+ AC_LANG_POP([])
 ])
 if test "x_$ac_cv_cxx_have_stl" != x_yes; then
   AC_MSG_ERROR([C++ Standard Template Libary unsupported])
@@ -72,3 +68,4 @@ yes
    ac_cv_gcc_version_$1_$2_$3_$4=no ; $6)
 fi
 ])])dnl
+