Force include headers on CMake linux

ci/script.sh

@@ -4,8 +4,6 @@ set -ex
 
 # TODO This is the "test phase", tweak it as you see fit
 main() {
-    ls -lR /usr/include
-
     cross build --target $TARGET
     cross build --target $TARGET --release
 

native/liblinuxbridge/CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.0)
 project(liblinuxbridge)
 
 set (CMAKE_CXX_STANDARD 14)
-set (CMAKE_SHARED_LINKER_FLAGS "-lX11 -lXtst")
+set(CMAKE_REQUIRED_INCLUDES "/usr/local/include" "/usr/include")
 
 add_library(linuxbridge STATIC bridge.cpp bridge.h)