Merge topic 'windows-rc-enable-later'

772eae44 RC: Add platform-specific preprocessor definitions (#15404)
4300de3e RC: Enable language after C, CXX, or Fortran is enabled (#15404)
1de4a0fb RC: Drop unused CMAKE_COMPILE_RESOURCE variable setting

Modules/Platform/CYGWIN-GNU.cmake

@@ -25,7 +25,6 @@ set(CMAKE_CREATE_WIN32_EXE  "-mwindows")
 set(CMAKE_GNULD_IMAGE_VERSION
   "-Wl,--major-image-version,<TARGET_VERSION_MAJOR>,--minor-image-version,<TARGET_VERSION_MINOR>")
 set(CMAKE_GENERATOR_RC windres)
-enable_language(RC)
 macro(__cygwin_compiler_gnu lang)
   # Binary link rules.
   set(CMAKE_${lang}_CREATE_SHARED_MODULE
@@ -53,4 +52,6 @@ macro(__cygwin_compiler_gnu lang)
   # TODO: Is -Wl,--enable-auto-import now always default?
   set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "${CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS} -Wl,--enable-auto-import")
   set(CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS "${CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS}")
+
+  enable_language(RC)
 endmacro()

Modules/Platform/Windows-GNU.cmake

@@ -61,8 +61,6 @@ if(NOT CMAKE_GENERATOR_RC AND CMAKE_GENERATOR MATCHES "Unix Makefiles")
   set(CMAKE_GENERATOR_RC windres)
 endif()
 
-enable_language(RC)
-
 macro(__windows_compiler_gnu lang)
 
   if(MSYS OR MINGW)
@@ -139,6 +137,8 @@ macro(__windows_compiler_gnu lang)
         )
     endforeach()
   endif()
+
+  enable_language(RC)
 endmacro()
 
 macro(__windows_compiler_gnu_abi lang)

Modules/Platform/Windows-MSVC.cmake

@@ -53,10 +53,6 @@ if(NOT CMAKE_NO_BUILD_TYPE AND CMAKE_GENERATOR MATCHES "Visual Studio")
   set (CMAKE_NO_BUILD_TYPE 1)
 endif()
 
-# make sure to enable languages after setting configuration types
-enable_language(RC)
-set(CMAKE_COMPILE_RESOURCE "rc <FLAGS> /fo<OBJECT> <SOURCE>")
-
 if("${CMAKE_GENERATOR}" MATCHES "Visual Studio")
   set(MSVC_IDE 1)
 else()
@@ -301,4 +297,10 @@ macro(__windows_compiler_msvc lang)
   set(CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT "/MD /Zi /O2 /Ob1 /D NDEBUG")
   set(CMAKE_${lang}_FLAGS_MINSIZEREL_INIT "/MD /O1 /Ob1 /D NDEBUG")
   set(CMAKE_${lang}_LINKER_SUPPORTS_PDB ON)
+
+  if(NOT CMAKE_RC_FLAGS_INIT)
+    set(CMAKE_RC_FLAGS_INIT "${_PLATFORM_DEFINES} ${_PLATFORM_DEFINES_${lang}}")
+  endif()
+
+  enable_language(RC)
 endmacro()

Modules/Platform/Windows-df.cmake

@@ -24,8 +24,6 @@ set(CMAKE_Fortran_CREATE_STATIC_LIBRARY  "lib ${CMAKE_CL_NOLOGO} <LINK_FLAGS> /o
 set(CMAKE_Fortran_COMPILE_OBJECT
     "<CMAKE_Fortran_COMPILER>  ${CMAKE_START_TEMP_FILE} ${CMAKE_CL_NOLOGO} /object:<OBJECT> <FLAGS> /compile_only <SOURCE>${CMAKE_END_TEMP_FILE}")
 
-set(CMAKE_COMPILE_RESOURCE "rc <FLAGS> /fo<OBJECT> <SOURCE>")
-
 set(CMAKE_Fortran_LINK_EXECUTABLE
     "<CMAKE_Fortran_COMPILER> ${CMAKE_CL_NOLOGO} ${CMAKE_START_TEMP_FILE} <FLAGS> /exe:<TARGET> <OBJECTS> /link <CMAKE_Fortran_LINK_FLAGS> <LINK_FLAGS> <LINK_LIBRARIES>${CMAKE_END_TEMP_FILE}")