/usr/share/doc/m4/examples/wrapfifo.m4 is in m4 1.4.18-1.
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1 2 3 4 5 6 7 8 9 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
|