qt-build-tools/6.5.1/_tools/cmake/share/cmake-3.27/Modules/CMakeDetermineRCCompiler.cmake
2023-11-01 01:44:24 +01:00

61 lines
2.2 KiB
CMake

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
# determine the compiler to use for RC programs
# NOTE, a generator may set CMAKE_RC_COMPILER before
# loading this file to force a compiler.
# use environment variable RC first if defined by user, next use
# the cmake variable CMAKE_GENERATOR_RC which can be defined by a generator
# as a default compiler
if(NOT CMAKE_RC_COMPILER)
# prefer the environment variable RC
if(NOT $ENV{RC} STREQUAL "")
get_filename_component(CMAKE_RC_COMPILER_INIT $ENV{RC} PROGRAM PROGRAM_ARGS CMAKE_RC_FLAGS_ENV_INIT)
if(CMAKE_RC_FLAGS_ENV_INIT)
set(CMAKE_RC_COMPILER_ARG1 "${CMAKE_RC_FLAGS_ENV_INIT}" CACHE STRING "Arguments to RC compiler")
endif()
if(EXISTS ${CMAKE_RC_COMPILER_INIT})
else()
message(FATAL_ERROR "Could not find compiler set in environment variable RC:\n$ENV{RC}.")
endif()
endif()
# next try prefer the compiler specified by the generator
if(CMAKE_GENERATOR_RC)
if(NOT CMAKE_RC_COMPILER_INIT)
set(CMAKE_RC_COMPILER_INIT ${CMAKE_GENERATOR_RC})
endif()
endif()
# finally list compilers to try
if(CMAKE_RC_COMPILER_INIT)
set(_CMAKE_RC_COMPILER_LIST ${CMAKE_RC_COMPILER_INIT})
set(_CMAKE_RC_COMPILER_FALLBACK ${CMAKE_RC_COMPILER_INIT})
elseif(NOT _CMAKE_RC_COMPILER_LIST)
set(_CMAKE_RC_COMPILER_LIST rc)
endif()
# Find the compiler.
find_program(CMAKE_RC_COMPILER NAMES ${_CMAKE_RC_COMPILER_LIST} DOC "RC compiler")
if(_CMAKE_RC_COMPILER_FALLBACK AND NOT CMAKE_RC_COMPILER)
set(CMAKE_RC_COMPILER "${_CMAKE_RC_COMPILER_FALLBACK}" CACHE FILEPATH "RC compiler" FORCE)
endif()
unset(_CMAKE_RC_COMPILER_FALLBACK)
unset(_CMAKE_RC_COMPILER_LIST)
endif()
mark_as_advanced(CMAKE_RC_COMPILER)
get_filename_component(_CMAKE_RC_COMPILER_NAME_WE ${CMAKE_RC_COMPILER} NAME_WE)
if(_CMAKE_RC_COMPILER_NAME_WE STREQUAL "windres")
set(CMAKE_RC_OUTPUT_EXTENSION .obj)
else()
set(CMAKE_RC_OUTPUT_EXTENSION .res)
endif()
# configure variables set in this file for fast reload later on
configure_file(${CMAKE_ROOT}/Modules/CMakeRCCompiler.cmake.in
${CMAKE_PLATFORM_INFO_DIR}/CMakeRCCompiler.cmake)
set(CMAKE_RC_COMPILER_ENV_VAR "RC")