Initial check-in.

[shibboleth/resolver.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644 (file)
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--- /dev/null
+++ b/acinclude.m4
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+dnl @synopsis AC_CXX_NAMESPACES\r
+dnl\r
+dnl If the compiler can prevent names clashes using namespaces, define\r
+dnl HAVE_NAMESPACES.\r
+dnl\r
+dnl @author Luc Maisonobe\r
+dnl\r
+AC_DEFUN([AC_CXX_NAMESPACES],\r
+[AC_CACHE_CHECK(whether the compiler implements namespaces,\r
+ac_cv_cxx_namespaces,\r
+[AC_LANG_SAVE\r
+ AC_LANG_CPLUSPLUS\r
+ AC_TRY_COMPILE([namespace Outer { namespace Inner { int i = 0; }}],\r
+                [using namespace Outer::Inner; return i;],\r
+ ac_cv_cxx_namespaces=yes, ac_cv_cxx_namespaces=no)\r
+ AC_LANG_RESTORE\r
+])\r
+if test "$ac_cv_cxx_namespaces" = yes; then\r
+  AC_DEFINE(HAVE_NAMESPACES,1,[define if the compiler implements namespaces])\r
+fi\r
+])\r
+\r
+\r
+dnl\r
+dnl @author Luc Maisonobe\r
+dnl\r
+AC_DEFUN([AC_CXX_REQUIRE_STL],\r
+[AC_CACHE_CHECK(whether the compiler supports Standard Template Library,\r
+ac_cv_cxx_have_stl,\r
+[AC_REQUIRE([AC_CXX_NAMESPACES])\r
+ AC_LANG_SAVE\r
+ AC_LANG_CPLUSPLUS\r
+ AC_TRY_COMPILE([#include <list>\r
+#include <deque>\r
+#ifdef HAVE_NAMESPACES\r
+using namespace std;\r
+#endif],[list<int> x; x.push_back(5);\r
+list<int>::iterator iter = x.begin(); if (iter != x.end()) ++iter; return 0;],\r
+ ac_cv_cxx_have_stl=yes, ac_cv_cxx_have_stl=no)\r
+ AC_LANG_RESTORE\r
+])\r
+if test "x_$ac_cv_cxx_have_stl" != x_yes; then\r
+  AC_MSG_ERROR([C++ Standard Template Libary unsupported])\r
+fi\r
+])\r
+\r
+dnl@synopsys YAD_CHECK_INCLUDE_LIB(INCLUDE, LIBRARY, CODE\r
+dnl              [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND\r
+dnl              [, OTHER-LIBRARIES]]])\r
+dnl \r
+dnl same as the AC_CHECK_LIB except of the following:\r
+dnl      - You sholud specify include part of test.\r
+dnl      - You can test any code for linking, not just function calls.\r
+dnl\r
+dnl@author Alexandr Yanovets <yad@gradsoft.kiev.ua>\r
+dnl\r
+AC_DEFUN(YAD_CHECK_INCLUDE_LIB,\r
+[AC_MSG_CHECKING([for $3 in -l$2])\r
+dnl Use a cache variable name containing both the library and function name,\r
+dnl because the test really is for library $2 defining function $3, not\r
+dnl just for library $2.  Separate tests with the same $2 and different $3s\r
+dnl may have different results.\r
+ac_lib_var=`echo $2['_']include | sed 'y%./+-%__p_%'`\r
+AC_CACHE_VAL(ac_cv_lib_$ac_lib_var,\r
+[yad_check_lib_save_LIBS="$LIBS"\r
+LIBS="-l$2 $6 $LIBS"\r
+AC_TRY_LINK(dnl\r
+            [$1],\r
+           [$3],\r
+           eval "ac_cv_lib_$ac_lib_var=yes",\r
+           eval "ac_cv_lib_$ac_lib_var=no")\r
+LIBS="$yad_check_lib_save_LIBS"\r
+])dnl\r
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then\r
+  AC_MSG_RESULT(yes)\r
+  ifelse([$4], ,\r
+[changequote(, )dnl\r
+  ac_tr_lib=HAVE_LIB`echo $2 | sed -e 's/[^a-zA-Z0-9_]/_/g' \\r
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`\r
+changequote([, ])dnl\r
+  AC_DEFINE_UNQUOTED($ac_tr_lib)\r
+  LIBS="-l$2 $LIBS"\r
+], [$4])\r
+else\r
+  AC_MSG_RESULT(no)\r
+ifelse([$5], , , [$5\r
+])dnl\r
+fi\r
+])\r
+\r