Linking CXX executables with gold linker leads to:
libpiglitutil_gl.so.0: error: undefined reference to 'xcb_connect'
libpiglitutil_gl.so.0: error: undefined reference to 'xcb_get_setup'
libpiglitutil_gl.so.0: error: undefined reference to 'xcb_setup_roots_iterator'

This may have appeared now because xcb-dri2 used to overlink publicly
but now does not.

Signed-off-by: Jussi Kukkonen <[email protected]>
---
 CMakeLists.txt            | 1 +
 tests/util/CMakeLists.txt | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9275743..536f775 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -155,6 +155,7 @@ IF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 
        pkg_check_modules(LIBDRM QUIET libdrm)
        pkg_check_modules(LIBDRM_INTEL QUIET libdrm_intel)
+       pkg_check_modules(XCB QUIET xcb)
        pkg_check_modules(XCB_DRI2 QUIET xcb-dri2)
        pkg_check_modules(GLPROTO QUIET glproto)
 ELSEIF(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
diff --git a/tests/util/CMakeLists.txt b/tests/util/CMakeLists.txt
index fb22ffa..e1f8073 100644
--- a/tests/util/CMakeLists.txt
+++ b/tests/util/CMakeLists.txt
@@ -121,11 +121,13 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 
                list(APPEND UTIL_GL_LIBS
                        ${LIBDRM_LDFLAGS}
+                       ${XCB_LDFLAGS}
                        ${XCB_DRI2_LDFLAGS}
                )
 
                list(APPEND UTIL_GL_INCLUDES
                        ${LIBDRM_INCLUDE_DIRS}
+                       ${XCB_INCLUDE_DIRS}
                        ${XCB_DRI2_INCLUDE_DIRS}
                )
 
-- 
2.9.3

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