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#=============================================================================
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# Copyright 2002-2009 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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# This module is shared by multiple languages; use include blocker.
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if(__CYGWIN_COMPILER_GNU)
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return()
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endif()
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set(__CYGWIN_COMPILER_GNU 1)
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# TODO: Is -Wl,--enable-auto-import now always default?
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set(CMAKE_EXE_LINKER_FLAGS_INIT "-Wl,--enable-auto-import")
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set(CMAKE_CREATE_WIN32_EXE "-mwindows")
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set(CMAKE_GNULD_IMAGE_VERSION
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"-Wl,--major-image-version,<TARGET_VERSION_MAJOR>,--minor-image-version,<TARGET_VERSION_MINOR>")
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set(CMAKE_GENERATOR_RC windres)
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enable_language(RC)
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macro(__cygwin_compiler_gnu lang)
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# Binary link rules.
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set(CMAKE_${lang}_CREATE_SHARED_MODULE
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"<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_${lang}_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS> -o <TARGET> ${CMAKE_GNULD_IMAGE_VERSION} <OBJECTS> <LINK_LIBRARIES>")
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set(CMAKE_${lang}_CREATE_SHARED_LIBRARY
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"<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_${lang}_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> -o <TARGET> -Wl,--out-implib,<TARGET_IMPLIB> ${CMAKE_GNULD_IMAGE_VERSION} <OBJECTS> <LINK_LIBRARIES>")
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set(CMAKE_${lang}_LINK_EXECUTABLE
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"<CMAKE_${lang}_COMPILER> <FLAGS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> -Wl,--out-implib,<TARGET_IMPLIB> ${CMAKE_GNULD_IMAGE_VERSION} <LINK_LIBRARIES>")
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# No -fPIC on cygwin
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "")
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "")
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set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "")
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# Initialize C link type selection flags. These flags are used when
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# building a shared library, shared module, or executable that links
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# to other libraries to select whether to use the static or shared
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# versions of the libraries.
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foreach(type SHARED_LIBRARY SHARED_MODULE EXE)
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set(CMAKE_${type}_LINK_STATIC_${lang}_FLAGS "-Wl,-Bstatic")
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set(CMAKE_${type}_LINK_DYNAMIC_${lang}_FLAGS "-Wl,-Bdynamic")
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endforeach()
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set(CMAKE_EXE_EXPORTS_${lang}_FLAG "-Wl,--export-all-symbols")
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# TODO: Is -Wl,--enable-auto-import now always default?
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set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "${CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS} -Wl,--enable-auto-import")
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set(CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS "${CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS}")
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endmacro()
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