Mesa (master): configure.ac: Don't check for X11 unconditionally.

[Matt Turner]

Module: Mesa
Branch: master
Commit: 35189d768bf80fdedbb6e70f49215cc8b734f343
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=35189d768bf80fdedbb6e70f49215cc8b734f343

Author: Matt Turner <mattst88 at gmail.com>
Date:   Mon Mar  4 10:23:54 2013 -0800

configure.ac: Don't check for X11 unconditionally.

X11 is already checked conditionally below.

Fixes OSMesa-only configurations to not require X11.

Note: This is a candidate for the 9.1 branch.
Reviewed-by: Brian Paul <brianp at vmware.com>

---

 configure.ac |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)

diff --git a/configure.ac b/configure.ac
index 7852595..1b13d06 100644
--- a/configure.ac
+++ b/configure.ac
@@ -832,20 +832,12 @@ if test "x$enable_dri" = xyes; then
     fi
 fi
 
-dnl Find out if X is available.
-PKG_CHECK_MODULES([X11], [x11], [no_x=no], [no_x=yes])
-
 dnl Try to tell the user that the --x-* options are only used when
 dnl pkg-config is not available. This must be right after AC_PATH_XTRA.
 m4_divert_once([HELP_BEGIN],
 [These options are only used when the X libraries cannot be found by the
 pkg-config utility.])
 
-dnl We need X for xlib and dri, so bomb now if it's not found
-if test "x$enable_glx" = xyes -a "x$no_x" = xyes; then
-    AC_MSG_ERROR([X11 development libraries needed for GLX])
-fi
-
 dnl Direct rendering or just indirect rendering
 case "$host_os" in
 gnu*)