Uploading cmockery 0.1.2 to external/cmockery

A lightweight library to simplify and generalize the process of writing unit
tests for C applications.

Change-Id: I460a9b6740f10593e35ae988df753a43491c6456
diff --git a/cmockery_0_1_2/m4/namespaces.m4 b/cmockery_0_1_2/m4/namespaces.m4
new file mode 100644
index 0000000..d78dbe4
--- /dev/null
+++ b/cmockery_0_1_2/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])