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65 lines
2.4 KiB
CMake
65 lines
2.4 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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if(CMAKE_CSharp_COMPILER_FORCED)
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# The compiler configuration was forced by the user.
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# Assume the user has configured all compiler information.
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set(CMAKE_CSharp_COMPILER_WORKS TRUE)
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return()
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endif()
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include(CMakeTestCompilerCommon)
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unset(CMAKE_CSharp_COMPILER_WORKS CACHE)
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# This file is used by EnableLanguage in cmGlobalGenerator to
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# determine that the selected C# compiler can actually compile
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# and link the most basic of programs. If not, a fatal error
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# is set and cmake stops processing commands and will not generate
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# any makefiles or projects.
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if(NOT CMAKE_CSharp_COMPILER_WORKS)
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# Don't call PrintTestCompilerStatus() because the "C#" we want to pass
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# as the LANG doesn't match with the variable name "CMAKE_CSharp_COMPILER"
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message(CHECK_START "Check for working C# compiler: ${CMAKE_CSharp_COMPILER}")
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string(CONCAT __TestCompiler_testCSharpCompilerSource
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"namespace Test {\n"
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" public class CSharp {\n"
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" static void Main(string[] args) {}\n"
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" }\n"
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"}\n"
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)
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# Clear result from normal variable.
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unset(CMAKE_CSharp_COMPILER_WORKS)
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# Puts test result in cache variable.
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try_compile(CMAKE_CSharp_COMPILER_WORKS
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SOURCE_FROM_VAR testCSharpCompiler.cs __TestCompiler_testCSharpCompilerSource
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OUTPUT_VARIABLE __CMAKE_CSharp_COMPILER_OUTPUT
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)
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unset(__TestCompiler_testCSharpCompilerSource)
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# Move result from cache to normal variable.
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set(CMAKE_CSharp_COMPILER_WORKS ${CMAKE_CSharp_COMPILER_WORKS})
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unset(CMAKE_CSharp_COMPILER_WORKS CACHE)
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set(CSharp_TEST_WAS_RUN 1)
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endif()
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if(NOT CMAKE_CSharp_COMPILER_WORKS)
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PrintTestCompilerResult(CHECK_FAIL "broken")
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string(REPLACE "\n" "\n " _output "${__CMAKE_CSharp_COMPILER_OUTPUT}")
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message(FATAL_ERROR "The C# compiler\n \"${CMAKE_CSharp_COMPILER}\"\n"
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"is not able to compile a simple test program.\nIt fails "
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"with the following output:\n ${_output}\n\n"
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"CMake will not be able to correctly generate this project.")
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else()
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if(CSharp_TEST_WAS_RUN)
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PrintTestCompilerResult(CHECK_PASS "works")
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endif()
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# Re-configure to save learned information.
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configure_file(
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${CMAKE_ROOT}/Modules/CMakeCSharpCompiler.cmake.in
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${CMAKE_PLATFORM_INFO_DIR}/CMakeCSharpCompiler.cmake
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@ONLY
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)
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include(${CMAKE_PLATFORM_INFO_DIR}/CMakeCSharpCompiler.cmake)
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endif()
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