mesa: move LONGSTRING into generated enums.c

enums.c is the only place this directive is needed.

Reviewed-by: Matt Turner <mattst88@gmail.com>

src/mapi/glapi/gen/gl_enums.py

@@ -157,6 +157,12 @@ _mesa_lookup_prim_by_nr(GLuint nr)
 
         string_offsets = {}
         i = 0;
+        print '#if defined(__GNUC__)'
+        print '# define LONGSTRING __extension__'
+        print '#else'
+        print '# define LONGSTRING'
+        print '#endif'
+        print ''
         print 'LONGSTRING static const char enum_string_table[] = '
         for enum, name in enum_table:
             print '   "%s\\0"' % (name)

src/mesa/main/compiler.h

@@ -113,15 +113,6 @@ extern "C" {
 #define LE32_TO_CPU( x )	CPU_TO_LE32( x )
 
 
-/**
- * LONGSTRING macro
- * gcc -pedantic warns about long string literals, LONGSTRING silences that.
- */
-#if !defined(__GNUC__)
-# define LONGSTRING
-#else
-# define LONGSTRING __extension__
-#endif
 
 #define IEEE_ONE 0x3f800000