(help2man.info.gz) Makefile usage

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 5 Using `help2man' With `make'
 ******************************
 
 A suggested use of `help2man' in Makefiles is to have the manual page
 depend not on the binary, but on the source file(s) in which the
 `--help' and `--version' output are defined.
 
    This usage allows a manual page to be generated by the maintainer and
 included in the distribution without requiring the end-user to have
 `help2man' installed.
 
    An example rule for the program `prog' could be:
 
      prog.1: $(srcdir)/main.c
              -$(HELP2MAN) --output=$@ --name='an example program' ./prog
 
    The value of `HELP2MAN' may be set in `configure.in' using either of:
 
      AM_MISSING_PROG(HELP2MAN, help2man, $missing_dir)
 
    for `automake', or something like:
 
      AC_PATH_PROG(HELP2MAN, help2man, false // No help2man //)
 
    for `autoconf' alone.
 

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