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-rw-r--r--thirdparty/glog/glog-0.3.4/m4/namespaces.m415
1 files changed, 15 insertions, 0 deletions
diff --git a/thirdparty/glog/glog-0.3.4/m4/namespaces.m4 b/thirdparty/glog/glog-0.3.4/m4/namespaces.m4
new file mode 100644
index 0000000..d78dbe4
--- /dev/null
+++ b/thirdparty/glog/glog-0.3.4/m4/namespaces.m4
@@ -0,0 +1,15 @@
+# Checks whether the compiler implements namespaces
+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])
+ if test "$ac_cv_cxx_namespaces" = yes; then
+ AC_DEFINE(HAVE_NAMESPACES, 1, [define if the compiler implements namespaces])
+ fi])