Avoid clobbering variable 'OUTPUT' in compiler tests (#12628)
Use an obscure name and clean up afterwards.
diff --git a/Modules/CMakeTestCCompiler.cmake b/Modules/CMakeTestCCompiler.cmake
index 4d4e35f..779b2f0 100644
--- a/Modules/CMakeTestCCompiler.cmake
+++ b/Modules/CMakeTestCCompiler.cmake
@@ -35,7 +35,7 @@
"{ (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 @@
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 @@
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 @@
ENDIF()
ENDIF(NOT CMAKE_C_COMPILER_WORKS)
+UNSET(__CMAKE_C_COMPILER_OUTPUT)
diff --git a/Modules/CMakeTestCXXCompiler.cmake b/Modules/CMakeTestCXXCompiler.cmake
index 494add3..87022e9 100644
--- a/Modules/CMakeTestCXXCompiler.cmake
+++ b/Modules/CMakeTestCXXCompiler.cmake
@@ -28,7 +28,7 @@
"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 @@
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 @@
UNSET(CMAKE_CXX_ABI_FILES)
ENDIF()
ENDIF(NOT CMAKE_CXX_COMPILER_WORKS)
+
+UNSET(__CMAKE_CXX_COMPILER_OUTPUT)
