Demos (master): check for GBM

[Chia-I Wu]

Module: Demos
Branch: master
Commit: 5a1e31e1edff21c4cebeabaa6a8354e9933ee6d4
URL:    http://cgit.freedesktop.org/mesa/demos/commit/?id=5a1e31e1edff21c4cebeabaa6a8354e9933ee6d4

Author: Chia-I Wu <olvaffe at gmail.com>
Date:   Thu Oct 27 12:59:20 2011 +0800

check for GBM

EGL on KMS needs GBM.

---

 configure.ac               |   11 +++++++++++
 src/egl/opengl/Makefile.am |    2 ++
 2 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index 71ed0cc..4f6f16f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -206,6 +206,16 @@ if test "x$x11_enabled" != "xno"; then
     PKG_CHECK_MODULES(X11, [x11 xext], [x11_enabled=yes], [x11_enabled=no])
 fi
 
+dnl GBM is needed for EGL on KMS
+AC_ARG_ENABLE([gbm],
+    [AS_HELP_STRING([--enable-gbm],
+        [enable support for GBM @<:@default=no@:>@])],
+    [gbm_enabled="$enableval"],
+    [gbm_enabled=auto])
+if test "x$gbm_enabled" != "xno"; then
+    PKG_CHECK_MODULES(GBM, [gbm], [gbm_enabled=yes], [gbm_enabled=no])
+fi
+
 dnl FreeType2 is needed by an OpenVG demo
 AC_ARG_ENABLE([freetype2],
     [AS_HELP_STRING([--enable-freetype2],
@@ -280,6 +290,7 @@ AM_CONDITIONAL(HAVE_GLESV2, test "x$glesv2_enabled" = "xyes")
 AM_CONDITIONAL(HAVE_VG, test "x$vg_enabled" = "xyes")
 AM_CONDITIONAL(HAVE_GLUT, test "x$glut_enabled" = "xyes")
 AM_CONDITIONAL(HAVE_X11, test "x$x11_enabled" = "xyes")
+AM_CONDITIONAL(HAVE_GBM, test "x$gbm_enabled" = "xyes")
 AM_CONDITIONAL(HAVE_FREETYPE2, test "x$freetype2_enabled" = "xyes")
 AM_CONDITIONAL(HAVE_OSMESA, test "x$osmesa_enabled" = "xyes")
 AM_CONDITIONAL(HAVE_DRM, test "x$drm_enabled" = "xyes")
diff --git a/src/egl/opengl/Makefile.am b/src/egl/opengl/Makefile.am
index 2c9956f..6df114d 100644
--- a/src/egl/opengl/Makefile.am
+++ b/src/egl/opengl/Makefile.am
@@ -43,9 +43,11 @@ EGL_X11_DEMOS = \
 endif
 
 if HAVE_DRM
+if HAVE_GBM
 EGL_DRM_DEMOS = \
 	eglkms
 endif
+endif
 
 if HAVE_EGL
 noinst_PROGRAMS = \