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Changes to examples/wrapfifo.m4 [branch-1_4]
From: |
Eric Blake |
Subject: |
Changes to examples/wrapfifo.m4 [branch-1_4] |
Date: |
Mon, 03 Jul 2006 13:16:23 +0000 |
CVSROOT: /sources/m4
Module name: m4
Branch: branch-1_4
Changes by: Eric Blake <ericb> 06/07/03 13:16:19
Index: examples/wrapfifo.m4
===================================================================
RCS file: examples/wrapfifo.m4
diff -N examples/wrapfifo.m4
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ examples/wrapfifo.m4 3 Jul 2006 13:16:19 -0000 1.1.2.1
@@ -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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