Re: Check XMKMF variable, export CC for xmkmf

[Noah Misch]

I installed your documentation update, with this ChangeLog entry:

2006-04-02  Pavel Roskin  <address@hidden>

        * doc/autoconf.texi (AC_PATH_X): Update per 2005-08-26 change.

On Wed, Aug 31, 2005 at 12:35:11PM -0400, Pavel Roskin wrote:
> On Fri, 2005-08-26 at 12:42 -0700, Paul Eggert wrote:
> > Pavel Roskin <address@hidden> writes:
> > 
> > >   * lib/autoconf/libs.m4 (_AC_PATH_X_XMKMF): Use shell variable
> > >   XMKMF to locate xmkmf.  Make XMKMF precious.  Export CC when
> > >   running xmkmf.
> > 
> > Thanks; I installed that.  Perhaps it needs a change to the
> > documentation too?
> 
> OK, here it is.
> 
> --- doc/autoconf.texi
> +++ doc/autoconf.texi
> @@ -6436,17 +6436,23 @@
>  
>  @defmac AC_PATH_X
>  @acindex{PATH_X}
> address@hidden XMKMF
>  @cindex X Window System
>  Try to locate the X Window System include files and libraries.  If the
>  user gave the command line options @address@hidden and
> address@hidden@var{dir}}, use those directories.  If either or
> -both were not given, get the missing values by running @code{xmkmf} on a
> -trivial @file{Imakefile} and examining the @file{Makefile} that it
> -produces.  If that fails (such as if @code{xmkmf} is not present), look
> -for the files in several directories where they often reside.  If either
> -method is successful, set the shell variables @code{x_includes} and
> address@hidden to their locations, unless they are in directories
> -the compiler searches by default.
> address@hidden@var{dir}}, use those directories.
> +
> +If either or both were not given, get the missing values by running
> address@hidden (or an executable pointed to by the @code{XMKMF}
> +environment variable) on a trivial @file{Imakefile} and examining the
> address@hidden that it produces.  Setting @code{XMKMF} to @samp{false}
> +will disable this method.
> +
> +If this method fails to find the X Window System, @command{configure}
> +will look for the files in several directories where they often reside. 
> +If either method is successful, set the shell variables
> address@hidden and @code{x_libraries} to their locations, unless they
> +are in directories the compiler searches by default.
>  
>  If both methods fail, or the user gave the command line option
>  @option{--without-x}, set the shell variable @code{no_x} to @samp{yes};