FCHost: tune build scripts

where possible (everywhere except Windows) replace copying game file
with symlinking, on Linux do the same to CEF libraries.

Remove bundled CEF modules, leave only FindCEF for CEF_ROOT var
handling.

TRy to find system CEF module first.

FCHost/CMakeLists.txt

@@ -89,7 +89,7 @@
 # Global setup.
 #
 
-cmake_minimum_required(VERSION 2.8.12.1)
+cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
 
 # Only generate Debug and Release configuration types.
 set(CMAKE_CONFIGURATION_TYPES Debug Release)
@@ -123,9 +123,12 @@ set_property(GLOBAL PROPERTY OS_FOLDERS ON)
 # Load the CEF configuration.
 #
 
-# Execute FindCEF.cmake which must exist in CMAKE_MODULE_PATH.
-find_package(CEF REQUIRED)
+# try to find system installation
+find_package(CEF QUIET)
 
+if(NOT DEFINED _CEF_ROOT_EXPLICIT) # if that fails, try the standard way
+  include("${CMAKE_CURRENT_LIST_DIR}/cmake/FindCEF.cmake")
+endif()
 
 #
 # Define CEF-based targets.

FCHost/fchost/CMakeLists.txt

@@ -75,6 +75,18 @@ set(FCHOST_RESOURCES_SRCS
   ${FCHOST_RESOURCES_MAC_ENGLISH_LPROJ_SRCS}
   )
 
+function (symlink_or_copy_to_binary_dir _target _srcFile)
+  get_filename_component(_fileName "${_srcFile}" NAME)
+  if (WIN32)
+    set(action copy_if_different)
+  else()
+    set(action create_symlink)
+  endif()
+  add_custom_command(POST_BUILD
+    TARGET ${_target}
+    COMMAND ${CMAKE_COMMAND} -E ${action} "${_srcFile}" "$<TARGET_FILE_DIR:${_target}>/${_fileName}"
+    )
+endfunction()
 
 #
 # Shared configuration.
@@ -93,14 +105,19 @@ endif()
 # Determine the target output directory.
 SET_CEF_TARGET_OUT_DIR()
 
+# Executable target.
+add_executable(${CEF_TARGET} MACOSX_BUNDLE WIN32 ${FCHOST_SRCS})
+
+set(gameHTMLFile "FC_pregmod.html")
+# Link the HTML where the executable expects to find it
+symlink_or_copy_to_binary_dir(${CEF_TARGET} "${CMAKE_SOURCE_DIR}/../bin/${gameHTMLFile}")
+
 
 #
 # Linux configuration.
 #
 
 if(OS_LINUX)
-  # Executable target.
-  add_executable(${CEF_TARGET} ${FCHOST_SRCS})
   SET_EXECUTABLE_TARGET_PROPERTIES(${CEF_TARGET})
   add_dependencies(${CEF_TARGET} libcef_dll_wrapper)
   target_link_libraries(${CEF_TARGET} libcef_lib libcef_dll_wrapper ${CEF_STANDARD_LIBS})
@@ -110,11 +127,14 @@ if(OS_LINUX)
   set_target_properties(${CEF_TARGET} PROPERTIES BUILD_WITH_INSTALL_RPATH TRUE)
   set_target_properties(${CEF_TARGET} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CEF_TARGET_OUT_DIR})
 
-  # Copy binary and resource files to the target output directory.
-  COPY_FILES("${CEF_TARGET}" "${CEF_BINARY_FILES}" "${CEF_BINARY_DIR}" "${CEF_TARGET_OUT_DIR}")
+  # Copy binary files to the target output directory.
+  #COPY_FILES("${CEF_TARGET}" "${CEF_BINARY_FILES}" "${CEF_BINARY_DIR}" "${CEF_TARGET_OUT_DIR}")
+  foreach(cefBinaryFile IN LISTS CEF_BINARY_FILES)
+  symlink_or_copy_to_binary_dir(${CEF_TARGET} "${CEF_BINARY_DIR}/${cefBinaryFile}")
+  endforeach()
   COPY_FILES("${CEF_TARGET}" "${CEF_RESOURCE_FILES}" "${CEF_RESOURCE_DIR}" "${CEF_TARGET_OUT_DIR}")
   if (EXISTS "${CEF_BINARY_DIR}/libminigbm.so")
-    COPY_FILES("${CEF_TARGET}" "libminigbm.so" "${CEF_BINARY_DIR}" "${CEF_TARGET_OUT_DIR}")
+  symlink_or_copy_to_binary_dir(${CEF_TARGET} "${CEF_BINARY_DIR}/libminigbm.so")
   endif()
 endif()
 
@@ -152,7 +172,7 @@ if(OS_MACOSX)
     )
 
   # Main executable target.
-  add_executable(${CEF_TARGET} MACOSX_BUNDLE ${FCHOST_RESOURCES_SRCS} ${FCHOST_SRCS})
+  target_sources(${CEF_TARGET} ${FCHOST_RESOURCES_SRCS})
   SET_EXECUTABLE_TARGET_PROPERTIES(${CEF_TARGET})
   add_dependencies(${CEF_TARGET} libcef_dll_wrapper "${CEF_HELPER_TARGET}")
   target_link_libraries(${CEF_TARGET} libcef_dll_wrapper ${CEF_STANDARD_LIBS})
@@ -190,7 +210,6 @@ endif()
 
 if(OS_WINDOWS)
   # Executable target.
-  add_executable(${CEF_TARGET} WIN32 ${FCHOST_SRCS})
   add_dependencies(${CEF_TARGET} libcef_dll_wrapper)
   SET_EXECUTABLE_TARGET_PROPERTIES(${CEF_TARGET})
   target_link_libraries(${CEF_TARGET} libcef_lib libcef_dll_wrapper ${CEF_STANDARD_LIBS})
@@ -201,5 +220,4 @@ if(OS_WINDOWS)
   # Copy binary and resource files to the target output directory.
   COPY_FILES("${CEF_TARGET}" "${CEF_BINARY_FILES}" "${CEF_BINARY_DIR}" "${CEF_TARGET_OUT_DIR}")
   COPY_FILES("${CEF_TARGET}" "${CEF_RESOURCE_FILES}" "${CEF_RESOURCE_DIR}" "${CEF_TARGET_OUT_DIR}")
-  COPY_FILES("${CEF_TARGET}" "FC_pregmod.html" "../../bin" "${CEF_TARGET_OUT_DIR}")
 endif()