configure: check for core xcb and link libEGL against it

Make sure to check the presence of the module in order to pick the
correct libs flag and before feeding them to the compiler/linker.

Current libEGL depends conditionally (when building with x11 platform)
upon xcb.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>

diff --git a/configure.ac b/configure.ac
index c800f258eaf9a007be9bba5db3e00040f929314a..e4778d8ef7e083332696d9c6fdeb21c242f18b7c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1548,7 +1548,7 @@ for plat in $egl_platforms; do
                ;;
 
        x11)
-               PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb-dri2 >= $XCBDRI2_REQUIRED xcb-xfixes])
+               PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb xcb-dri2 >= $XCBDRI2_REQUIRED xcb-xfixes])
                ;;
 
        drm)