blob: 9f4b99fe6e12682b3c6a0847095b1592a569b5ba [file] [log] [blame]
# 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)
# This file is used by EnableLanguage in cmGlobalGenerator to
# determine that the 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)
# Don't call PrintTestCompilerStatus() because the "C#" we want to pass
# as the LANG doesn't match with the variable name "CMAKE_CSharp_COMPILER"
message(CHECK_START "Check for working C# compiler: ${CMAKE_CSharp_COMPILER}")
string(CONCAT __TestCompiler_testCSharpCompilerSource
"namespace Test {\n"
" public class CSharp {\n"
" static void Main(string[] args) {}\n"
" }\n"
"}\n"
)
# Clear result from normal variable.
unset(CMAKE_CSharp_COMPILER_WORKS)
# Puts test result in cache variable.
try_compile(CMAKE_CSharp_COMPILER_WORKS
SOURCE_FROM_VAR testCSharpCompiler.cs __TestCompiler_testCSharpCompilerSource
OUTPUT_VARIABLE __CMAKE_CSharp_COMPILER_OUTPUT
)
unset(__TestCompiler_testCSharpCompilerSource)
# Move result from cache to normal variable.
set(CMAKE_CSharp_COMPILER_WORKS ${CMAKE_CSharp_COMPILER_WORKS})
unset(CMAKE_CSharp_COMPILER_WORKS CACHE)
set(CSharp_TEST_WAS_RUN 1)
endif()
if(NOT CMAKE_CSharp_COMPILER_WORKS)
PrintTestCompilerResult(CHECK_FAIL "broken")
string(REPLACE "\n" "\n " _output "${__CMAKE_CSharp_COMPILER_OUTPUT}")
message(FATAL_ERROR "The C# compiler\n \"${CMAKE_CSharp_COMPILER}\"\n"
"is not able to compile a simple test program.\nIt fails "
"with the following output:\n ${_output}\n\n"
"CMake will not be able to correctly generate this project.")
else()
if(CSharp_TEST_WAS_RUN)
PrintTestCompilerResult(CHECK_PASS "works")
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()