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-rw-r--r--configure.in5
1 files changed, 4 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index bf337f09ce..08fdf4d35a 100644
--- a/configure.in
+++ b/configure.in
@@ -770,6 +770,8 @@ if test "$GCC:${warnflags+set}:no" = yes::no; then
rb_cv_warnflags="$warnflags"
warnflags=
fi
+RUBY_TRY_CFLAGS(-Qunused-arguments, [RUBY_APPEND_OPTIONS(rb_cv_wsuppress_flags, -Qunused-arguments)])
+
if test "$GCC" = yes; then
# -D_FORTIFY_SOURCE
# When defined _FORTIFY_SOURCE, glibc enables some additional sanity
@@ -1269,7 +1271,8 @@ RUBY_CHECK_SIZEOF(clock_t, [], [], [@%:@include <time.h>])
AC_DEFUN([RUBY_CHECK_PRINTF_PREFIX], [
AC_CACHE_CHECK([for printf prefix for $1], [rb_cv_pri_prefix_]AS_TR_SH($1),[
[rb_cv_pri_prefix_]AS_TR_SH($1)=[NONE]
- RUBY_WERROR_FLAG(for pri in $2; do
+ RUBY_WERROR_FLAG(RUBY_APPEND_OPTIONS(CFLAGS, $rb_cv_wsuppress_flags)
+ for pri in $2; do
AC_TRY_COMPILE(
[@%:@include <stdio.h>
@%:@include <stddef.h>