$OpenBSD: patch-icd_CMakeLists_txt,v 1.1.1.1 2019/06/22 15:30:16 thfr Exp $

Index: icd/CMakeLists.txt
--- icd/CMakeLists.txt.orig
+++ icd/CMakeLists.txt
@@ -38,6 +38,8 @@ elseif(APPLE)
 elseif(UNIX AND NOT APPLE) # i.e. Linux
     if(BUILD_WSI_XCB_SUPPORT)
         add_definitions(-DVK_USE_PLATFORM_XCB_KHR -DVK_USE_PLATFORM_XCB_KHX)
+        find_package(XCB REQUIRED)
+        include_directories(${XCB_INCLUDE_DIR})
     endif()
 
     if(BUILD_WSI_XLIB_SUPPORT)
