From 23c11479b3ad787adc7a651ee0c4347839e47723 Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@baserock.org>
Date: Sun, 22 Sep 2013 07:04:10 +0000
Subject: Imported from
 /home/lorry/working-area/delta_m4-tarball/m4-1.4.17.tar.xz.

---
 examples/wrapfifo.m4 | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 examples/wrapfifo.m4

(limited to 'examples/wrapfifo.m4')

diff --git a/examples/wrapfifo.m4 b/examples/wrapfifo.m4
new file mode 100644
index 0000000..95ff87a
--- /dev/null
+++ b/examples/wrapfifo.m4
@@ -0,0 +1,10 @@
+dnl Redefine m4wrap to have FIFO semantics.
+define(`_m4wrap_level', `0')dnl
+define(`m4wrap',
+`ifdef(`m4wrap'_m4wrap_level,
+       `define(`m4wrap'_m4wrap_level,
+               defn(`m4wrap'_m4wrap_level)`$1')',
+       `builtin(`m4wrap', `define(`_m4wrap_level',
+                                  incr(_m4wrap_level))dnl
+m4wrap'_m4wrap_level)dnl
+define(`m4wrap'_m4wrap_level, `$1')')')dnl
-- 
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