1 /* Test for overly eager multiple include optimization. 2 Problem distilled from glibc 2.0.7's time.h, sys/time.h, timebits.h. 3 Problem noted by Tom Tromey <tromey@cygnus.com>. */ 4 #ifdef need_x 5 #undef need_x 6 #ifndef have_x 7 #define have_x 8 extern int x; 9 #endif 10 #endif 11 12 #ifndef t_h 13 #define t_h 14 extern int y; 15 #endif 16