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Avoid clobbering variable 'OUTPUT' in compiler tests (#12628) 

Use an obscure name and clean up afterwards.
This commit is contained in:
Brad King 2011-12-15 08:29:43 -05:00
parent 4ed1769186
commit 5f6985ac86
2 changed files with 11 additions and 8 deletions
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9
Modules/CMakeTestCCompiler.cmake
View File

@ -35,7 +35,7 @@ IF(NOT CMAKE_C_COMPILER_WORKS)
"{ (void)argv; return argc-1;}\n")
TRY_COMPILE(CMAKE_C_COMPILER_WORKS ${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCCompiler.c
OUTPUT_VARIABLE OUTPUT)
OUTPUT_VARIABLE __CMAKE_C_COMPILER_OUTPUT)
SET(C_TEST_WAS_RUN 1)
ENDIF(NOT CMAKE_C_COMPILER_WORKS)
@ -43,7 +43,7 @@ IF(NOT CMAKE_C_COMPILER_WORKS)
PrintTestCompilerStatus("C" " -- broken")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining if the C compiler works failed with "
"the following output:\n${OUTPUT}\n\n")
"the following output:\n${__CMAKE_C_COMPILER_OUTPUT}\n\n")
# if the compiler is broken make sure to remove the platform file
# since Windows-cl configures both c/cxx files both need to be removed
# when c or c++ fails
@ -51,14 +51,14 @@ IF(NOT CMAKE_C_COMPILER_WORKS)
FILE(REMOVE ${CMAKE_PLATFORM_ROOT_BIN}/CMakeCXXPlatform.cmake )
MESSAGE(FATAL_ERROR "The C compiler \"${CMAKE_C_COMPILER}\" "
"is not able to compile a simple test program.\nIt fails "
"with the following output:\n ${OUTPUT}\n\n"
"with the following output:\n ${__CMAKE_C_COMPILER_OUTPUT}\n\n"
"CMake will not be able to correctly generate this project.")
ELSE(NOT CMAKE_C_COMPILER_WORKS)
IF(C_TEST_WAS_RUN)
PrintTestCompilerStatus("C" " -- works")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the C compiler works passed with "
"the following output:\n${OUTPUT}\n\n")
"the following output:\n${__CMAKE_C_COMPILER_OUTPUT}\n\n")
ENDIF(C_TEST_WAS_RUN)
SET(CMAKE_C_COMPILER_WORKS 1 CACHE INTERNAL "")
@ -84,3 +84,4 @@ ELSE(NOT CMAKE_C_COMPILER_WORKS)
ENDIF()
ENDIF(NOT CMAKE_C_COMPILER_WORKS)
UNSET(__CMAKE_C_COMPILER_OUTPUT)

10
Modules/CMakeTestCXXCompiler.cmake
View File

@ -28,7 +28,7 @@ IF(NOT CMAKE_CXX_COMPILER_WORKS)
"int main(){return 0;}\n")
TRY_COMPILE(CMAKE_CXX_COMPILER_WORKS ${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCXXCompiler.cxx
OUTPUT_VARIABLE OUTPUT)
OUTPUT_VARIABLE __CMAKE_CXX_COMPILER_OUTPUT)
SET(CXX_TEST_WAS_RUN 1)
ENDIF(NOT CMAKE_CXX_COMPILER_WORKS)
@ -41,17 +41,17 @@ IF(NOT CMAKE_CXX_COMPILER_WORKS)
FILE(REMOVE ${CMAKE_PLATFORM_ROOT_BIN}/CMakeCXXPlatform.cmake )
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining if the CXX compiler works failed with "
"the following output:\n${OUTPUT}\n\n")
"the following output:\n${__CMAKE_CXX_COMPILER_OUTPUT}\n\n")
MESSAGE(FATAL_ERROR "The C++ compiler \"${CMAKE_CXX_COMPILER}\" "
"is not able to compile a simple test program.\nIt fails "
"with the following output:\n ${OUTPUT}\n\n"
"with the following output:\n ${__CMAKE_CXX_COMPILER_OUTPUT}\n\n"
"CMake will not be able to correctly generate this project.")
ELSE(NOT CMAKE_CXX_COMPILER_WORKS)
IF(CXX_TEST_WAS_RUN)
PrintTestCompilerStatus("CXX" " -- works")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the CXX compiler works passed with "
"the following output:\n${OUTPUT}\n\n")
"the following output:\n${__CMAKE_CXX_COMPILER_OUTPUT}\n\n")
ENDIF(CXX_TEST_WAS_RUN)
SET(CMAKE_CXX_COMPILER_WORKS 1 CACHE INTERNAL "")
@ -76,3 +76,5 @@ ELSE(NOT CMAKE_CXX_COMPILER_WORKS)
UNSET(CMAKE_CXX_ABI_FILES)
ENDIF()
ENDIF(NOT CMAKE_CXX_COMPILER_WORKS)
UNSET(__CMAKE_CXX_COMPILER_OUTPUT)