Make C++ feature checks extensible

Turn the feature check for cxx11_unordered_map into a function such that
we can use it for other features as well.  Drop the 11 suffix, as we may
want to check features from other standards.

1 files changed, 7 insertions, 0 deletions

diff --git a/Source/Checks/cm_cxx_unordered_map.cxx b/Source/Checks/cm_cxx_unordered_map.cxx
new file mode 100644
index 0000000..be3de25
--- /dev/null
+++ b/Source/Checks/cm_cxx_unordered_map.cxx
@@ -0,0 +1,7 @@
+#include <unordered_map>
+int main()
+{
+  std::unordered_map<int, int> map;
+  map[0] = 0;
+  return 0;
+}