diff -r d088be5ecdcb -r 39d7a16ce60c cmake_modules/FindClang.cmake
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmake_modules/FindClang.cmake	Fri Nov 30 20:04:15 2012 -0600
@@ -0,0 +1,27 @@
+# Load LLVM/Clang
+IF (CLANG)
+    SET(CLANG_EXECUTABLE ${CLANG})
+ELSE()
+    FIND_PROGRAM(CLANG_EXECUTABLE
+        NAMES clang-mp-3.2 clang-mp-3.1 clang-mp-3.0 clang
+        PATHS /opt/local/bin /usr/local/bin /usr/bin)
+ENDIF()
+
+# Check LLVM/Clang version
+IF (CLANG_EXECUTABLE)
+    EXEC_PROGRAM(${CLANG_EXECUTABLE} ARGS "-v" OUTPUT_VARIABLE CLANG_VERSION_FULL)
+
+    STRING(REGEX MATCH "[0-9]+\\.[0-9]+" CLANG_VERSION_LONG "${CLANG_VERSION_FULL}")
+    STRING(REGEX REPLACE "([0-9]+\\.[0-9]+)" "\\1" CLANG_VERSION "${CLANG_VERSION_LONG}")
+
+    # Required that LLVM/Clang version is >= 3.0
+    IF (CLANG_VERSION VERSION_GREATER 3.0 OR CLANG_VERSION VERSION_EQUAL 3.0)
+        MESSAGE(STATUS "Found CLANG: ${CLANG_EXECUTABLE} (version ${CLANG_VERSION})")
+    ELSE()
+        MESSAGE(FATAL_ERROR "Necessary LLVM/Clang version not found (version >= 3.0 required)")
+    ENDIF()
+ELSE()
+    MESSAGE(FATAL_ERROR "No LLVM/Clang compiler found (required for engine_c target)")
+ENDIF()
+
+SET(CMAKE_C_COMPILER ${CLANG_EXECUTABLE})