CMake/Modules/CMakeTestCSharpCompiler.cmake
2016-12-15 09:16:30 -05:00

69 lines
2.7 KiB
CMake

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
if(CMAKE_CSharp_COMPILER_FORCED)
# The compiler configuration was forced by the user.
# Assume the user has configured all compiler information.
set(CMAKE_CSharp_COMPILER_WORKS TRUE)
return()
endif()
include(CMakeTestCompilerCommon)
unset(CMAKE_CSharp_COMPILER_WORKS CACHE)
set(test_compile_file "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCSharpCompiler.cs")
# This file is used by EnableLanguage in cmGlobalGenerator to
# determine that that selected C# compiler can actually compile
# and link the most basic of programs. If not, a fatal error
# is set and cmake stops processing commands and will not generate
# any makefiles or projects.
if(NOT CMAKE_CSharp_COMPILER_WORKS)
PrintTestCompilerStatus("C#" "${CMAKE_CSharp_COMPILER}")
file(WRITE "${test_compile_file}"
"namespace Test {"
" public class CSharp {"
" static void Main(string[] args) {}"
" }"
"}"
)
try_compile(CMAKE_CSharp_COMPILER_WORKS ${CMAKE_BINARY_DIR} "${test_compile_file}"
OUTPUT_VARIABLE __CMAKE_CSharp_COMPILER_OUTPUT
)
# Move result from cache to normal variable.
set(CMAKE_CSharp_COMPILER_WORKS ${CMAKE_CSharp_COMPILER_WORKS})
unset(CMAKE_CSharp_COMPILER_WORKS CACHE)
if(NOT CMAKE_CSharp_COMPILER_WORKS)
message("forcing compiler works to true (will be removed once C# support is integrated)")
set(CMAKE_CSharp_COMPILER_WORKS 1)
endif()
set(CSharp_TEST_WAS_RUN 1)
endif()
if(NOT CMAKE_CSharp_COMPILER_WORKS)
PrintTestCompilerStatus("C#" "${CMAKE_CSharp_COMPILER} -- broken")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining if the C# compiler works failed with "
"the following output:\n${__CMAKE_CSharp_COMPILER_OUTPUT}\n\n")
message(FATAL_ERROR "The C# compiler \"${CMAKE_CSharp_COMPILER}\" "
"is not able to compile a simple test program.\nIt fails "
"with the following output:\n ${__CMAKE_CSharp_COMPILER_OUTPUT}\n\n"
"CMake will not be able to correctly generate this project.")
else()
if(CSharp_TEST_WAS_RUN)
PrintTestCompilerStatus("C#" "${CMAKE_CSharp_COMPILER} -- works")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the C# compiler works passed with "
"the following output:\n${__CMAKE_CSharp_COMPILER_OUTPUT}\n\n")
endif()
# Re-configure to save learned information.
configure_file(
${CMAKE_ROOT}/Modules/CMakeCSharpCompiler.cmake.in
${CMAKE_PLATFORM_INFO_DIR}/CMakeCSharpCompiler.cmake
@ONLY
)
include(${CMAKE_PLATFORM_INFO_DIR}/CMakeCSharpCompiler.cmake)
endif()