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CheckLanguage: hide commonly used variable names

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The check_language sets internal variables with a common name in the
caller's scope: `result`, `output` and `content`.
They are now prefixed with `_cl_`,
inspired by the CheckLibraryExists module.
This commit is contained in:
Hannes Vogt
2020-03-18 17:47:06 +01:00
parent 863b0fa2ac
commit 36baf1f13c
1 changed files with 8 additions and 8 deletions
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16
Modules/CheckLanguage.cmake
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@@ -47,7 +47,7 @@ macro(check_language lang)
set(extra_compiler_variables "set(CMAKE_CUDA_HOST_COMPILER \\\"\${CMAKE_CUDA_HOST_COMPILER}\\\")")
endif()
set(content
set(_cl_content
"cmake_minimum_required(VERSION ${CMAKE_VERSION})
project(Check${lang} ${lang})
file(WRITE \"\${CMAKE_CURRENT_BINARY_DIR}/result.cmake\"
@@ -57,7 +57,7 @@ file(WRITE \"\${CMAKE_CURRENT_BINARY_DIR}/result.cmake\"
)
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/Check${lang}/CMakeLists.txt"
"${content}")
"${_cl_content}")
if(CMAKE_GENERATOR_INSTANCE)
set(_D_CMAKE_GENERATOR_INSTANCE "-DCMAKE_GENERATOR_INSTANCE:INTERNAL=${CMAKE_GENERATOR_INSTANCE}")
else()
@@ -75,22 +75,22 @@ file(WRITE \"\${CMAKE_CURRENT_BINARY_DIR}/result.cmake\"
-T "${CMAKE_GENERATOR_TOOLSET}"
${_D_CMAKE_GENERATOR_INSTANCE}
${_D_CMAKE_MAKE_PROGRAM}
OUTPUT_VARIABLE output
ERROR_VARIABLE output
RESULT_VARIABLE result
OUTPUT_VARIABLE _cl_output
ERROR_VARIABLE _cl_output
RESULT_VARIABLE _cl_result
)
include(${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/Check${lang}/result.cmake OPTIONAL)
if(CMAKE_${lang}_COMPILER AND "${result}" STREQUAL "0")
if(CMAKE_${lang}_COMPILER AND "${_cl_result}" STREQUAL "0")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"${_desc} passed with the following output:\n"
"${output}\n")
"${_cl_output}\n")
set(_CHECK_COMPILER_STATUS CHECK_PASS)
else()
set(CMAKE_${lang}_COMPILER NOTFOUND)
set(_CHECK_COMPILER_STATUS CHECK_FAIL)
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"${_desc} failed with the following output:\n"
"${output}\n")
"${_cl_output}\n")
endif()
message(${_CHECK_COMPILER_STATUS} "${CMAKE_${lang}_COMPILER}")
set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER}" CACHE FILEPATH "${lang} compiler")