cleanup headers, remove -I . from rtl lib to save a few warnings
#ifndef PMATH_H_
#define PMATH_H_
#include <stdint.h>
#include <math.h>
#define fpcrtl_min(a, b) ((a) < (b) ? (a) : (b))
#define fpcrtl_max(a, b) ((a) > (b) ? (a) : (b))
float fpcrtl_power(float base, float exponent);
/* Currently the games only uses sign of an integer */
int fpcrtl_signi(int x);
float fpcrtl_csc(float x);
#define fpcrtl_arctan2(y, x) atan2(y, x)
float __attribute__((overloadable)) fpcrtl_abs(float x);
double __attribute__((overloadable)) fpcrtl_abs(double x);
int __attribute__((overloadable)) fpcrtl_abs(int x);
int64_t __attribute__((overloadable)) fpcrtl_abs(int64_t x);
#endif /* PMATH_H_ */