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-rw-r--r--configure.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index ad8cc988c4..43af2bdced 100644
--- a/configure.in
+++ b/configure.in
@@ -916,7 +916,7 @@ if test "$GCC" = yes; then
],
[
# ANSI (no XCFLAGS because this is C only)
- for ansi_options in -std=iso9899:1999 "-ansi -std=iso9899:199409"; do
+ for ansi_options in -std=gnu99; do
RUBY_TRY_CFLAGS(${ansi_options}, [
RUBY_APPEND_OPTIONS(warnflags, ${ansi_options})
RUBY_APPEND_OPTIONS(strict_warnflags, ${ansi_options})