$OpenBSD: patch-CMakeLists_txt,v 1.2 2020/07/07 08:08:08 thfr Exp $

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -95,6 +95,7 @@ if(UNIX AND NOT APPLE) # i.e. Linux
 
     if(BUILD_WSI_XCB_SUPPORT)
         find_package(XCB REQUIRED)
+        include_directories(${XCB_INCLUDE_DIR})
     endif()
 
     if(BUILD_WSI_XLIB_SUPPORT)
