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-rw-r--r--m4/warn_lang_flags.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/m4/warn_lang_flags.m4 b/m4/warn_lang_flags.m4
index 740194f0..7c4871d6 100644
--- a/m4/warn_lang_flags.m4
+++ b/m4/warn_lang_flags.m4
@@ -11,6 +11,7 @@ gl_WARN_ADD([-Wdeprecated])
gl_WARN_ADD([-Winline])
gl_WARN_ADD([-Wmain])
gl_WARN_ADD([-Wmissing-declarations])
+gl_WARN_ADD([-Wmissing-format-attribute])
gl_WARN_ADD([-Wmissing-prototypes])
gl_WARN_ADD([-Wp64])
gl_WARN_ADD([-Wpointer-arith])