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if(CMAKE_LLAsm_COMPILER_FORCED)
# The compiler configuration was forced by the user.
# Assume the user has configured all compiler information.
set(CMAKE_LLAsm_COMPILER_WORKS TRUE)
return()
endif()
include(CMakeTestCompilerCommon)
# Remove any cached result from an older CMake version.
# We now store this in CMakeCCompiler.cmake.
unset(CMAKE_LLAsm_COMPILER_WORKS CACHE)
# This file is used by EnableLanguage in cmGlobalGenerator to
# determine that that selected llvm assembler 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_LLAsm_COMPILER_WORKS)
PrintTestCompilerStatus("LLAsm" "")
file(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testLLAsmCompiler.ll
"define i32 @test() {\n"
"ret i32 0 }\n" )
try_compile(CMAKE_LLAsm_COMPILER_WORKS ${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testLLAsmCompiler.ll
# We never generate executable so bypass the link step
CMAKE_FLAGS -DCMAKE_LLAsm_LINK_EXECUTABLE='true'
OUTPUT_VARIABLE __CMAKE_LLAsm_COMPILER_OUTPUT)
# Move result from cache to normal variable.
set(CMAKE_LLAsm_COMPILER_WORKS ${CMAKE_LLAsm_COMPILER_WORKS})
unset(CMAKE_LLAsm_COMPILER_WORKS CACHE)
set(LLAsm_TEST_WAS_RUN 1)
endif()
if(NOT CMAKE_LLAsm_COMPILER_WORKS)
PrintTestCompilerStatus("LLAsm" " -- broken")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining if the LLAsm compiler works failed with "
"the following output:\n${__CMAKE_LLAsm_COMPILER_OUTPUT}\n\n")
message(FATAL_ERROR "The LLAsm compiler \"${CMAKE_LLAsm_COMPILER}\" "
"is not able to compile a simple test program.\nIt fails "
"with the following output:\n ${__CMAKE_LLAsm_COMPILER_OUTPUT}\n\n"
"CMake will not be able to correctly generate this project.")
else()
if(LLAsm_TEST_WAS_RUN)
PrintTestCompilerStatus("LLAsm" " -- works")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the LLAsm compiler works passed with "
"the following output:\n${__CMAKE_LLAsm_COMPILER_OUTPUT}\n\n")
endif()
include(${CMAKE_PLATFORM_INFO_DIR}/CMakeLLAsmCompiler.cmake)
endif()
unset(__CMAKE_LLAsm_COMPILER_OUTPUT)
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