Fixed the Lua compilation error in GCC build by making sure the right Precompiled.h include file is found by adjusting the GCC include search path.

Source/CMake/Modules/Urho3D-CMake-magic.cmake

@@ -268,15 +268,24 @@ endfunction ()
 # Macro for precompiled headers
 macro (enable_pch)
     if (MSVC)
-        foreach(FILE ${SOURCE_FILES})
-            if (${FILE} MATCHES "[A-Za-z0-9 _/]*[.]cpp")
-                if (${FILE} MATCHES "Precompiled.cpp$")
+        foreach (FILE ${SOURCE_FILES})
+            if (${FILE} MATCHES \\.cpp$)
+                if (${FILE} MATCHES Precompiled\\.cpp$)
                     set_source_files_properties(${FILE} PROPERTIES COMPILE_FLAGS "/YcPrecompiled.h")
                 else ()
                     set_source_files_properties(${FILE} PROPERTIES COMPILE_FLAGS "/YuPrecompiled.h")
                 endif ()
             endif ()
         endforeach ()
+    else ()
+        # TODO: to enable usage of precompiled header in GCC, for now just make sure the correct Precompiled.h is found in the search
+        foreach (FILE ${SOURCE_FILES})
+            if (${FILE} MATCHES Precompiled\\.h$)
+                get_filename_component (PATH ${FILE} PATH)
+                include_directories (${PATH})
+                break ()
+            endif ()
+        endforeach ()
     endif ()
 endmacro ()
 

Source/Extras/LuaScript/CMakeLists.txt

@@ -33,7 +33,7 @@ file (MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/generated)
 file (GLOB API_PKG_FILES ${CMAKE_CURRENT_SOURCE_DIR}/pkgs/*.pkg)
 foreach (API_PKG_FILE ${API_PKG_FILES})
     get_filename_component (NAME ${API_PKG_FILE} NAME)
-    string (REGEX REPLACE LuaAPI.pkg$ "" API ${NAME})
+    string (REGEX REPLACE LuaAPI\\.pkg$ "" API ${NAME})
     set (GEN_CPP_FILE generated/${API}LuaAPI.cpp)
     set (GEN_CPP_FILES ${GEN_CPP_FILES} ${GEN_CPP_FILE})
     file (GLOB PKG_FILES ${CMAKE_CURRENT_SOURCE_DIR}/pkgs/${API}/*.pkg)