[Piglit] [PATCH 08/10] CMakeLists: Only set HAS_GBM if pkgconfig finds gbm

[Daniel Kurtz]

This looks right to me, but I don't have a GBM system to test with.

Signed-off-by: Daniel Kurtz <djkurtz at chromium.org>
---
 CMakeLists.txt | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 913a29d..fc5b475 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -98,8 +98,11 @@ if(PIGLIT_BUILD_CL_TESTS)
 endif(PIGLIT_BUILD_CL_TESTS)
 
 IF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
-	set(PIGLIT_HAS_GBM True)
-	add_definitions(-DPIGLIT_HAS_GBM)
+	pkg_check_modules(GBM QUIET gbm)
+	if(GBM_FOUND)
+		set(PIGLIT_HAS_GBM True)
+		add_definitions(-DPIGLIT_HAS_GBM)
+	endif(GBM_FOUND)
 
 	pkg_check_modules(LIBDRM QUIET libdrm)
 	pkg_check_modules(LIBDRM_INTEL QUIET libdrm_intel)
-- 
1.8.5.2