From 322af294390a7f4e1524c5a79312be6cbebce988 Mon Sep 17 00:00:00 2001
From: Awais Belal <awais_belal@mentor.com>
Date: Wed, 11 Nov 2015 17:22:12 +0500
Subject: [PATCH] only build GLX demos if needed

There are platforms that default to EGL only configurations
in which case the GLX applications are not required
at all. Allow the user to control generation of these
demos as needed through a configure switch.

Signed-off-by: Awais Belal <awais_belal@mentor.com>
Upstream-Status: Pending
---
 configure.ac    | 9 +++++++++
 src/Makefile.am | 6 +++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index f8ec7e3..1a4d96d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -132,6 +132,11 @@ if test "x$enable_glu" = xyes; then
     DEMO_LIBS="$DEMO_LIBS $GLU_LIBS"
 fi
 
+AC_ARG_ENABLE([glx-demos],
+    [AS_HELP_STRING([--enable-glx-demos],
+        [enable GLX demos @<:@default=auto@:>@])],
+    [glx_demos_enabled="$enableval"],
+    [glx_demos_enabled=yes])
 AC_ARG_ENABLE([egl],
     [AS_HELP_STRING([--enable-egl],
         [enable EGL library @<:@default=auto@:>@])],
@@ -325,6 +333,7 @@ AC_SUBST([WAYLAND_LIBS])
 
 AM_CONDITIONAL(HAVE_GLU, test "x$glu_enabled" = "xyes")
 AM_CONDITIONAL(HAVE_GLEW, test "x$glew_enabled" = "xyes")
+AM_CONDITIONAL(HAVE_GLX, test "x$glx_demos_enabled" = "xyes")
 AM_CONDITIONAL(HAVE_EGL, test "x$egl_enabled" = "xyes")
 AM_CONDITIONAL(HAVE_GLESV1, test "x$glesv1_enabled" = "xyes")
 AM_CONDITIONAL(HAVE_GLESV2, test "x$glesv2_enabled" = "xyes")
diff --git a/src/Makefile.am b/src/Makefile.am
index 8b89dee..a4d7e8f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -44,8 +44,12 @@ SUBDIRS = \
 	slang \
 	tests \
 	tools \
-	wgl \
+	wgl
+
+if HAVE_GLX
+SUBDIRS += \
 	xdemos
+endif
 
 if HAVE_GLEW
 SUBDIRS += \
-- 
1.9.1