diff options
-rw-r--r-- | configure.in | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/configure.in b/configure.in index 836ae16e74..14faafe69f 100644 --- a/configure.in +++ b/configure.in @@ -813,10 +813,13 @@ if test "$GCC" = yes; then ], [ # ANSI (no XCFLAGS because this is C only) - RUBY_TRY_CFLAGS(-ansi -std=iso9899:199409, [ - RUBY_APPEND_OPTION(warnflags, -ansi -std=iso9899:199409) - RUBY_APPEND_OPTION(strict_warnflags, -ansi -std=iso9899:199409) - ]) + for ansi_options in -std=iso9899:1999 "-ansi -std=iso9899:199409"; do + RUBY_TRY_CFLAGS(${ansi_options}, [ + RUBY_APPEND_OPTIONS(warnflags, ${ansi_options}) + RUBY_APPEND_OPTIONS(strict_warnflags, ${ansi_options}) + ], [ansi_options=]) + test "x${ansi_options}" = x || break + done ]) # suppress annoying -Wstrict-overflow warnings |