BUG_exit_code: fix sparse "symbol not declared" warning

ramsay-jones · gitster · commit 746ea4adc6cd · 2018-05-10T18:23:09.000+09:00
Signed-off-by: Ramsay Jones &lt;ramsay@ramsayjones.plus.com&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/git-compat-util.h b/git-compat-util.h
@@ -1111,6 +1111,9 @@ static inline int regexec_buf(const regex_t *preg, const char *buf, size_t size,
 #define HAVE_VARIADIC_MACROS 1
 #endif
 
+/* usage.c: only to be used for testing BUG() implementation (see test-tool) */
+extern int BUG_exit_code;
+
 #ifdef HAVE_VARIADIC_MACROS
 __attribute__((format (printf, 3, 4))) NORETURN
 void BUG_fl(const char *file, int line, const char *fmt, ...);
diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c
@@ -47,7 +47,6 @@ static struct test_cmd cmds[] = {
 int cmd_main(int argc, const char **argv)
 {
 	int i;
-	extern int BUG_exit_code;
 
 	BUG_exit_code = 99;
 	if (argc < 2)

Original file line number	Diff line number	Diff line change
`@@ -47,7 +47,6 @@ static struct test_cmd cmds[] = {`
`47`	`47`	`int cmd_main(int argc, const char **argv)`
`48`	`48`	`{`
`49`	`49`	`int i;`
`50`		`- extern int BUG_exit_code;`
`51`	`50`
`52`	`51`	`BUG_exit_code = 99;`
`53`	`52`	`if (argc < 2)`