summaryrefslogtreecommitdiff
path: root/ext/date/extconf.rb
diff options
context:
space:
mode:
Diffstat (limited to 'ext/date/extconf.rb')
-rw-r--r--ext/date/extconf.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/date/extconf.rb b/ext/date/extconf.rb
index 9f7d3e8f0b..6f479eaa26 100644
--- a/ext/date/extconf.rb
+++ b/ext/date/extconf.rb
@@ -1,2 +1,5 @@
require 'mkmf'
+if try_cflags("-std=iso9899:1999")
+ $CFLAGS += " " << "-std=iso9899:1999"
+end
create_makefile('date_core')