[PATCH:macros] doc: add XORG_CHECK_SGML_DOCTOOLS to detect xorg-sgml-doctools

[Yaakov (Cygwin/X)]

On 2010-04-05 08:58, Dan Nicholson wrote:
> On Thu, Mar 25, 2010 at 4:12 PM, Yaakov (Cygwin/X) wrote:
>> +# XORG_CHECK_SGML_DOCTOOLS
>> +# ------------------------
>> +# Minimum version: 1.7.0
>> +#
>> +# Defines the variable XORG_SGML_PATH containing the location of X11/defs.ent
>> +# provided by xorg-sgml-doctools, if installed.
>> +AC_DEFUN([XORG_CHECK_SGML_DOCTOOLS],[
>> +AC_MSG_CHECKING([for X.Org SGML entities])
>> +XORG_SGML_PATH=
>> +PKG_CHECK_EXISTS([xorg-sgml-doctools],
>
> This should take an optional version number as an argument in case you
> need newer doctools or something. I think all it would take is this:
>
> PKG_CHECK_EXISTS([xorg-sgml-doctools] m4_ifval([$1], [>= $1]), ...

Not quite, because if a minimum version is requested but not found then 
it would fall back to the AC_CHECK_FILE which would still pass.


Yaakov
Cygwin/X