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7bbaa4283d
Our Git commit hooks disallow modification or addition of lines with trailing whitespace. Wipe out all remnants of trailing whitespace everywhere except third-party code. Run the following shell code: git ls-files -z -- \ bootstrap doxygen.config '*.readme' \ '*.c' '*.cmake' '*.cpp' '*.cxx' \ '*.el' '*.f' '*.f90' '*.h' '*.in' '*.in.l' '*.java' \ '*.mm' '*.pike' '*.py' '*.txt' '*.vim' | egrep -z -v '^(Utilities/cm|Source/(kwsys|CursesDialog/form)/)' | egrep -z -v '^(Modules/CPack\..*\.in)' | xargs -0 sed -i 's/ \+$//'
88 lines
3.7 KiB
CMake
88 lines
3.7 KiB
CMake
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#=============================================================================
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# Copyright 2003-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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INCLUDE(CMakeTestCompilerCommon)
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# This file is used by EnableLanguage in cmGlobalGenerator to
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# determine that that selected C compiler can actually compile
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# and link the most basic of programs. If not, a fatal error
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# is set and cmake stops processing commands and will not generate
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# any makefiles or projects.
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IF(NOT CMAKE_C_COMPILER_WORKS)
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PrintTestCompilerStatus("C" "")
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FILE(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCCompiler.c
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"#ifdef __cplusplus\n"
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"# error \"The CMAKE_C_COMPILER is set to a C++ compiler\"\n"
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"#endif\n"
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"#if defined(__CLASSIC_C__)\n"
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"int main(argc, argv)\n"
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" int argc;\n"
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" char* argv[];\n"
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"#else\n"
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"int main(int argc, char* argv[])\n"
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"#endif\n"
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"{ (void)argv; return argc-1;}\n")
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TRY_COMPILE(CMAKE_C_COMPILER_WORKS ${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCCompiler.c
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OUTPUT_VARIABLE __CMAKE_C_COMPILER_OUTPUT)
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SET(C_TEST_WAS_RUN 1)
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ENDIF(NOT CMAKE_C_COMPILER_WORKS)
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IF(NOT CMAKE_C_COMPILER_WORKS)
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PrintTestCompilerStatus("C" " -- broken")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining if the C compiler works failed with "
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"the following output:\n${__CMAKE_C_COMPILER_OUTPUT}\n\n")
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# if the compiler is broken make sure to remove the platform file
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# since Windows-cl configures both c/cxx files both need to be removed
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# when c or c++ fails
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FILE(REMOVE ${CMAKE_PLATFORM_ROOT_BIN}/CMakeCPlatform.cmake )
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FILE(REMOVE ${CMAKE_PLATFORM_ROOT_BIN}/CMakeCXXPlatform.cmake )
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MESSAGE(FATAL_ERROR "The C compiler \"${CMAKE_C_COMPILER}\" "
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"is not able to compile a simple test program.\nIt fails "
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"with the following output:\n ${__CMAKE_C_COMPILER_OUTPUT}\n\n"
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"CMake will not be able to correctly generate this project.")
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ELSE(NOT CMAKE_C_COMPILER_WORKS)
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IF(C_TEST_WAS_RUN)
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PrintTestCompilerStatus("C" " -- works")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining if the C compiler works passed with "
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"the following output:\n${__CMAKE_C_COMPILER_OUTPUT}\n\n")
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ENDIF(C_TEST_WAS_RUN)
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SET(CMAKE_C_COMPILER_WORKS 1 CACHE INTERNAL "")
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IF(CMAKE_C_COMPILER_FORCED)
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# The compiler configuration was forced by the user.
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# Assume the user has configured all compiler information.
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ELSE(CMAKE_C_COMPILER_FORCED)
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# Try to identify the ABI and configure it into CMakeCCompiler.cmake
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INCLUDE(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerABI.cmake)
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CMAKE_DETERMINE_COMPILER_ABI(C ${CMAKE_ROOT}/Modules/CMakeCCompilerABI.c)
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CONFIGURE_FILE(
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${CMAKE_ROOT}/Modules/CMakeCCompiler.cmake.in
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeCCompiler.cmake
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@ONLY IMMEDIATE # IMMEDIATE must be here for compatibility mode <= 2.0
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)
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INCLUDE(${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeCCompiler.cmake)
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ENDIF(CMAKE_C_COMPILER_FORCED)
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IF(CMAKE_C_SIZEOF_DATA_PTR)
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FOREACH(f ${CMAKE_C_ABI_FILES})
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INCLUDE(${f})
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ENDFOREACH()
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UNSET(CMAKE_C_ABI_FILES)
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ENDIF()
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ENDIF(NOT CMAKE_C_COMPILER_WORKS)
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UNSET(__CMAKE_C_COMPILER_OUTPUT)
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