mirror of
https://github.com/reactos/CMake.git
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3a666595c9
This adds copyright/license notification blocks CMake's non-find modules. Most of the modules had no notices at all. Some had notices referring to the BSD license already. This commit normalizes existing notices and adds missing notices.
87 lines
3.8 KiB
CMake
87 lines
3.8 KiB
CMake
# - Check if the given C++ source code compiles and runs.
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# CHECK_CXX_SOURCE_RUNS(<code> <var>)
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# <code> - source code to try to compile
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# <var> - variable to store the result
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# (1 for success, empty for failure)
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# The following variables may be set before calling this macro to
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# modify the way the check is run:
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#
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# CMAKE_REQUIRED_FLAGS = string of compile command line flags
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# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
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# CMAKE_REQUIRED_INCLUDES = list of include directories
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# CMAKE_REQUIRED_LIBRARIES = list of libraries to link
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#=============================================================================
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# Copyright 2006-2009 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 distributed this file outside of CMake, substitute the full
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# License text for the above reference.)
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MACRO(CHECK_CXX_SOURCE_RUNS SOURCE VAR)
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IF("${VAR}" MATCHES "^${VAR}$")
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SET(MACRO_CHECK_FUNCTION_DEFINITIONS
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"-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
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IF(CMAKE_REQUIRED_LIBRARIES)
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SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES
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"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
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ELSE(CMAKE_REQUIRED_LIBRARIES)
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SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES)
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ENDIF(CMAKE_REQUIRED_LIBRARIES)
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IF(CMAKE_REQUIRED_INCLUDES)
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SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES
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"-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
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ELSE(CMAKE_REQUIRED_INCLUDES)
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SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES)
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ENDIF(CMAKE_REQUIRED_INCLUDES)
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FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.cxx"
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"${SOURCE}\n")
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MESSAGE(STATUS "Performing Test ${VAR}")
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TRY_RUN(${VAR}_EXITCODE ${VAR}_COMPILED
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${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.cxx
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COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
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CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
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-DCMAKE_SKIP_RPATH:BOOL=${CMAKE_SKIP_RPATH}
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"${CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES}"
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"${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}"
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COMPILE_OUTPUT_VARIABLE OUTPUT)
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# if it did not compile make the return value fail code of 1
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IF(NOT ${VAR}_COMPILED)
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SET(${VAR}_EXITCODE 1)
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ENDIF(NOT ${VAR}_COMPILED)
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# if the return value was 0 then it worked
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IF("${${VAR}_EXITCODE}" EQUAL 0)
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SET(${VAR} 1 CACHE INTERNAL "Test ${VAR}")
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MESSAGE(STATUS "Performing Test ${VAR} - Success")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Performing C++ SOURCE FILE Test ${VAR} succeded with the following output:\n"
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"${OUTPUT}\n"
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"Return value: ${${VAR}}\n"
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"Source file was:\n${SOURCE}\n")
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ELSE("${${VAR}_EXITCODE}" EQUAL 0)
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IF(CMAKE_CROSSCOMPILING AND "${${VAR}_EXITCODE}" MATCHES "FAILED_TO_RUN")
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SET(${VAR} "${${VAR}_EXITCODE}")
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ELSE(CMAKE_CROSSCOMPILING AND "${${VAR}_EXITCODE}" MATCHES "FAILED_TO_RUN")
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SET(${VAR} "" CACHE INTERNAL "Test ${VAR}")
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ENDIF(CMAKE_CROSSCOMPILING AND "${${VAR}_EXITCODE}" MATCHES "FAILED_TO_RUN")
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MESSAGE(STATUS "Performing Test ${VAR} - Failed")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Performing C++ SOURCE FILE Test ${VAR} failed with the following output:\n"
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"${OUTPUT}\n"
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"Return value: ${${VAR}_EXITCODE}\n"
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"Source file was:\n${SOURCE}\n")
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ENDIF("${${VAR}_EXITCODE}" EQUAL 0)
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ENDIF("${VAR}" MATCHES "^${VAR}$")
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ENDMACRO(CHECK_CXX_SOURCE_RUNS)
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