The small code in m4/manywarnings.m4 wrongly detects if
-Wno-missing-field-initializers is needed. This happens if
-Wunused-variable is set. In this case the code fails to compile
due to -Werror even if -Wno-missing-field-initializers would be
perfectly fine.
Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
m4/manywarnings.m4 | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4
index 3e6dd21..dab6a0b 100644
--- a/m4/manywarnings.m4
+++ b/m4/manywarnings.m4
@@ -62,10 +62,11 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
CFLAGS="$CFLAGS -W -Werror"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
- [[void f (void)
+ [[int f (void)
{
typedef struct { int a; int b; } s_t;
s_t s1 = { 0, };
+ return s1.b;
}
]],
[[]])],
--
2.7.4
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