Wouldn't something like the attached be simpler?
diff --git a/lib/stdint.in.h b/lib/stdint.in.h index d20d1c7..22c2d70 100644 --- a/lib/stdint.in.h +++ b/lib/stdint.in.h @@ -288,12 +288,14 @@ typedef gl_uint_fast32_t gl_uint_fast16_t; /* 7.18.1.4. Integer types capable of holding object pointers */ +#ifndef _INTPTR_T_DECLARED #undef intptr_t #undef uintptr_t typedef long int gl_intptr_t; typedef unsigned long int gl_uintptr_t; #define intptr_t gl_intptr_t #define uintptr_t gl_uintptr_t +#endif /* 7.18.1.5. Greatest-width integer types */
