diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9d3ea50..809251a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -108,6 +108,9 @@ include_directories(${VORBISFILE_INCLUDE_DIR})
 find_package(OpenAL REQUIRED)
 include_directories(${OPENAL_INCLUDE_DIR})
 
+find_package(X11 REQUIRED)
+include_directories(${X11_INCLUDE_DIR})
+
 if (SDL2)
 	# skip SDL2main
 	if(APPLE OR WIN32)
diff --git a/sys/sys_public.h b/sys/sys_public.h
index 150b16f..fbac1a8 100644
--- a/sys/sys_public.h
+++ b/sys/sys_public.h
@@ -41,7 +41,7 @@ typedef enum {
 	CPUID_SSE2							= 0x00080,	// Streaming SIMD Extensions 2
 	CPUID_SSE3							= 0x00100,	// Streaming SIMD Extentions 3 aka Prescott's New Instructions
 	CPUID_ALTIVEC						= 0x00200,	// AltiVec
-} cpuid_t;
+} cpuidSimd_t;
 
 typedef enum {
 	AXIS_SIDE,