1 files changed, 1 insertions, 1 deletions
diff --git a/configure b/configure
index 50574eaa..1a38ca37 100755
--- a/configure
+++ b/configure
@@ -116,7 +116,7 @@ yacc=${yacc-'$(cross)$(tool_prefix)$(yaccname)'}
 nm=${nm-'$(cross)$(tool_prefix)nm'}
 opt_flags=${opt_flags--O2}
 lang_flags=${lang_flags--ansi -D_POSIX_C_SOURCE=2}
-diag_flags=${diag_flags--Wall}
+diag_flags=${diag_flags--Wall -Wmissing-prototypes -Wstrict-prototypes}
 debug_flags=${debug_flags--g}
 inline=${inline-}
 platform_flags=${platform_flags-}