Re: don't use AC_FUNC_MMAP, use AC_CHECK_FUNCS(mmap) instead.

["Gerrit P. Haase" <gp at familiehaase dot de>]

Gerrit P. Haase wrote:

> AC_CHECK_FUNCS(mmap) issues this:
> checking for mmap... yes
>
> This is what I will using now for all the GNOME packages, there are 
> several packages affected, so far I know of:
> - libgtop
> - gtk+
> - libgnomeprint
> - libgsf
>
> I think it just tries to link against the system library and it 
> succeeds, so mmap() is considered to be available.  Fine with me.
>
> Using the macro AC_FUNC_MMAP, the test fails and mmap() will not be 
> available.


BTW, it looks like this in configure.ac:
case "$host" in
  *cygwin*)
    AC_CHECK_FUNCS(mmap)
    ;;
  *)
    AC_FUNC_MMAP
    ;;
esac

Gerrit
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