diff --git a/utils/fake_libc_include/X11/Intrinsic.h b/utils/fake_libc_include/X11/Intrinsic.h
new file mode 100644
index 0000000..ab7ebb3
--- /dev/null
+++ b/utils/fake_libc_include/X11/Intrinsic.h
@@ -0,0 +1,4 @@
+#include "_fake_defines.h"
+#include "_fake_typedefs.h"
+#include "_X11_fake_defines.h"
+#include "_X11_fake_typedefs.h"
diff --git a/utils/fake_libc_include/X11/_X11_fake_defines.h b/utils/fake_libc_include/X11/_X11_fake_defines.h
index 1de6f62..c88774b 100644
--- a/utils/fake_libc_include/X11/_X11_fake_defines.h
+++ b/utils/fake_libc_include/X11/_X11_fake_defines.h
@@ -10,4 +10,7 @@
 #define _XFUNCPROTOEND
 #define _Xconst const
 
+#define _X_RESTRICT_KYWD
+#define Cardinal unsigned int
+#define Boolean int
 #endif