gentoo-overlay/app-i18n/fcitx/files/fcitx-4.2.9.8-xkb.patch

https://github.com/fcitx/fcitx/issues/250

--- /CMakeLists.txt
+++ /CMakeLists.txt
@@ -96,12 +96,15 @@
   endif()
 endif()
 if (ENABLE_XKB)
-    # Parse xkb xml file
-    find_package(LibXml2 REQUIRED)
     find_package(IsoCodes REQUIRED)
-    find_package(XkbFile REQUIRED)
     # Parse isocodes json
     pkg_check_modules(JsonC "json-c" IMPORTED_TARGET REQUIRED)
+    if(ENABLE_X11)
+        # Parse xkb xml file
+        find_package(LibXml2 REQUIRED)
+        find_package(XkbFile REQUIRED)
+        find_package(XKeyboardConfig REQUIRED)
+    endif(ENABLE_X11)
 endif (ENABLE_XKB)
 if(ENABLE_PRESAGE)
   find_package(Presage)
@@ -121,8 +124,6 @@
     message(FATAL_ERROR "Xkb is needed")
 endif (NOT X11_Xkb_FOUND)
 
-find_package(XKeyboardConfig REQUIRED)
-
 endif()
 
 if (ENABLE_TEST)