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-rw-r--r--ext/date/extconf.rb4
1 files changed, 1 insertions, 3 deletions
diff --git a/ext/date/extconf.rb b/ext/date/extconf.rb
index 6f479eaa26..a0c30fa948 100644
--- a/ext/date/extconf.rb
+++ b/ext/date/extconf.rb
@@ -1,5 +1,3 @@
require 'mkmf'
-if try_cflags("-std=iso9899:1999")
- $CFLAGS += " " << "-std=iso9899:1999"
-end
+append_cflags("-std=iso9899:1999")
create_makefile('date_core')