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include(RunCMake)
function(find_compiler lang)
# Detect the compiler in use in the current environment.
run_cmake(Find${lang}Compiler)
# Use the detected compiler
include(${RunCMake_BINARY_DIR}/Find${lang}Compiler-build/${lang}_comp.cmake)
if(NOT temp_CMAKE_${lang}_COMPILER)
message(FATAL_ERROR "FindCompiler provided no compiler!")
endif()
# Create a toolchain file
set(__test_compiler_var CMAKE_${lang}_COMPILER)
set(__test_compiler "${temp_CMAKE_${lang}_COMPILER}")
configure_file(${RunCMake_SOURCE_DIR}/toolchain.cmake.in
${RunCMake_BINARY_DIR}/Find${lang}Compiler-build/toolchain_${lang}_comp.cmake @ONLY)
endfunction()
function(run_compiler_env lang)
# Use the correct compiler
include(${RunCMake_BINARY_DIR}/Find${lang}Compiler-build/${lang}_comp.cmake)
# Use a single build tree for tests without cleaning.
set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/${lang}-env-build)
set(RunCMake_TEST_NO_CLEAN 1)
file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}")
# Set the compiler
if(lang STREQUAL "C")
set(ENV{CC} "'${temp_CMAKE_${lang}_COMPILER}' -DFOO1 -DFOO2")
else()
set(ENV{${lang}} "'${temp_CMAKE_${lang}_COMPILER}' -DFOO1 -DFOO2")
endif()
run_cmake(${lang})
run_cmake_command(${lang}-Build ${CMAKE_COMMAND} --build . ${verbose_args})
endfunction()
function(run_compiler_tc lang)
# Use a single build tree for tests without cleaning.
set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/${lang}-tc-build)
set(RunCMake_TEST_NO_CLEAN 1)
file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}")
set(RunCMake_TEST_OPTIONS
-DCMAKE_TOOLCHAIN_FILE=${RunCMake_BINARY_DIR}/Find${lang}Compiler-build/toolchain_${lang}_comp.cmake)
run_cmake(${lang})
run_cmake_command(${lang}-Build ${CMAKE_COMMAND} --build . ${verbose_args})
endfunction()
set(langs C CXX)
foreach(lang ${langs})
find_compiler(${lang})
run_compiler_env(${lang})
run_compiler_tc(${lang})
endforeach()
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