build: Disable RTTI generation

Disablng RTTI can save a little space.  And it will help keep
some C++ features from being used that are not (well) supported
on some platforms.

Change-Id: I8050009a65de640c2e41cdefb1ead43c88bb710a

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 52da545..e7e25b3 100755 (executable)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,13 +63,18 @@ if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
     set(COMMON_COMPILE_FLAGS "-Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers")
     set(COMMON_COMPILE_FLAGS "${COMMON_COMPILE_FLAGS} -fno-strict-aliasing -fno-builtin-memcmp")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 ${COMMON_COMPILE_FLAGS}")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_COMPILE_FLAGS} -std=c++11")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_COMPILE_FLAGS} -std=c++11 -fno-rtti")
     if (UNIX)
         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
     endif()
 endif()
 
+if(WIN32)
+    # Disable RTTI
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-")
+endif()
+
 if(NOT WIN32)
     find_package(XCB REQUIRED)
     set (BUILDTGT_DIR build)