Fix build on gp2x.

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1351 416bcca6-2ee7-4201-b75f-2eb2f807beb1

brush.c

@@ -36,6 +36,7 @@
 #include "sdlscreen.h"
 #include "brush.h"
 
+
 // Calcul de redimensionnement du pinceau pour éviter les débordements de
 // l'écran et de l'image
 void Compute_clipped_dimensions(short * x,short * y,short * width,short * height)

brush_ops.c

@@ -37,6 +37,10 @@
 #include "sdlscreen.h"
 #include "windows.h"
 
+#if defined(__VBCC__)||defined(__GP2X__)
+    #define M_PI 3.141592653589793238462643
+#endif
+
 
 /// Simulates clicking the "Draw" button.
 void Return_to_draw_mode(void)

graph.c

@@ -51,6 +51,9 @@
 
 #ifdef __VBCC__
     #define __attribute__(x)
+#endif
+
+#if defined(__VBCC__)||defined(__GP2X__)
     #define M_PI 3.141592653589793238462643
 #endif
 

io.c

@@ -316,7 +316,7 @@ byte Create_lock_file(const char *file_directory)
   {
     return -1;
   }
-  #else
+  #elseif !defined(__GP2X__) // gp2x does not defines F_TLOCK and is not really multitasking anyway
   // Unixy method for lock file
   Lock_file_handle = open(lock_filename,O_WRONLY|O_CREAT,S_IRUSR|S_IWUSR);
   if (Lock_file_handle == -1)