lib: rename BUILD_BUG_ON macro

It can collide with existing macros of same name:
  gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -W -Wold-style-definition  -Illtp -o quotactl03
  In file included from ../../../../include/tst_test.h:29:0,
		   from quotactl03.c:53:
  ../../../../include/tst_common.h:68:0: warning: "BUILD_BUG_ON" redefined
   #define BUILD_BUG_ON(condition) \

  In file included from /usr/include/xfs/xqm.h:21:0,
		   from quotactl03.c:50:
  /usr/include/xfs/xfs.h:68:0: note: this is the location of the previous definiti
   #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))

Suggested-by: Cyril Hrubis <[email protected]>
Signed-off-by: Jan Stancek <[email protected]>

Author: jstancek

include/tst_common.h

@@ -65,7 +65,7 @@
 	ERET;								\
 })
 
-#define BUILD_BUG_ON(condition) \
+#define TST_BRK_SUPPORTS_ONLY_TCONF_TBROK(condition) \
 	do { ((void)sizeof(char[1 - 2 * !!(condition)])); } while (0)
 
 #endif /* TST_COMMON_H__ */

include/tst_test.h

@@ -71,7 +71,8 @@ void tst_brk_(const char *file, const int lineno, int ttype,
 
 #define tst_brk(ttype, arg_fmt, ...)						\
 	({									\
-		BUILD_BUG_ON(!((ttype) & (TBROK | TCONF | TFAIL)));		\
+		TST_BRK_SUPPORTS_ONLY_TCONF_TBROK(!((ttype) &			\
+			(TBROK | TCONF | TFAIL))); 				\
 		tst_brk_(__FILE__, __LINE__, (ttype), (arg_fmt), ##__VA_ARGS__);\
 	})