From d2b6b441366cb56785a92694e19a084642c1c99e Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Wed, 31 Jan 2024 00:54:21 -0500
Subject: update makefiles to simplify supersets

---
 mk/xopen-500.vars | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 mk/xopen-500.vars

(limited to 'mk/xopen-500.vars')

diff --git a/mk/xopen-500.vars b/mk/xopen-500.vars
new file mode 100644
index 00000000..9bff522b
--- /dev/null
+++ b/mk/xopen-500.vars
@@ -0,0 +1,3 @@
+.POSIX:
+
+CC=c89 -std=c94 -D_XOPEN_SOURCE=500
-- 
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