source:
trunk/essentials/sys-devel/m4/examples/wrapfifo.m4
| Last change on this file was 3090, checked in by , 18 years ago | |
|---|---|
| File size: 388 bytes | |
| Line | |
|---|---|
| 1 | dnl Redefine m4wrap to have FIFO semantics. |
| 2 | define(`_m4wrap_level', `0')dnl |
| 3 | define(`m4wrap', |
| 4 | `ifdef(`m4wrap'_m4wrap_level, |
| 5 | `define(`m4wrap'_m4wrap_level, |
| 6 | defn(`m4wrap'_m4wrap_level)`$1')', |
| 7 | `builtin(`m4wrap', `define(`_m4wrap_level', |
| 8 | incr(_m4wrap_level))dnl |
| 9 | m4wrap'_m4wrap_level)dnl |
| 10 | define(`m4wrap'_m4wrap_level, `$1')')')dnl |
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