Minor changes to compile with rsxnt/win32.

[flightgear.git] / Main / GLmain.c

diff --git a/Main/GLmain.c b/Main/GLmain.c
index 23c5245a61d8400675cf41a9550216a0c427609f..0b9483a0fa22a3ebf935f388e5bb9475c264e470 100644 (file)
--- a/Main/GLmain.c
+++ b/Main/GLmain.c
@@ -47,10 +47,19 @@
 #define DEG_TO_RAD       0.017453292
 #define RAD_TO_DEG       57.29577951
 
+#ifndef M_PI
+#define M_PI        3.14159265358979323846     /* pi */
+#endif
+
 #ifndef PI2                                     
 #define PI2  (M_PI + M_PI)
 #endif                                                           
 
+
+#ifndef M_PI_2
+#define M_PI_2      1.57079632679489661923     /* pi/2 */
+#endif
+
 /* This is a record containing all the info for the aircraft currently
    being operated */
 struct aircraft_params current_aircraft;
@@ -544,9 +553,12 @@ int main( int argc, char *argv[] ) {
 
 
 /* $Log$
-/* Revision 1.21  1997/06/22 21:44:41  curt
-/* Working on intergrating the VRML (subset) parser.
+/* Revision 1.22  1997/06/25 15:39:47  curt
+/* Minor changes to compile with rsxnt/win32.
 /*
+ * Revision 1.21  1997/06/22 21:44:41  curt
+ * Working on intergrating the VRML (subset) parser.
+ *
  * Revision 1.20  1997/06/21 17:12:53  curt
  * Capitalized subdirectory names.
  *