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#=============================================================================
# Copyright 2002-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# This module is shared by multiple languages; use include blocker.
if(__CYGWIN_COMPILER_GNU)
return()
endif()
set(__CYGWIN_COMPILER_GNU 1)
# TODO: Is -Wl,--enable-auto-import now always default?
set(CMAKE_EXE_LINKER_FLAGS_INIT "-Wl,--enable-auto-import")
set(CMAKE_CREATE_WIN32_EXE "-mwindows")
set(CMAKE_GNULD_IMAGE_VERSION
"-Wl,--major-image-version,<TARGET_VERSION_MAJOR>,--minor-image-version,<TARGET_VERSION_MINOR>")
set(CMAKE_GENERATOR_RC windres)
enable_language(RC)
macro(__cygwin_compiler_gnu lang)
# Binary link rules.
set(CMAKE_${lang}_CREATE_SHARED_MODULE
"<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_${lang}_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS> -o <TARGET> ${CMAKE_GNULD_IMAGE_VERSION} <OBJECTS> <LINK_LIBRARIES>")
set(CMAKE_${lang}_CREATE_SHARED_LIBRARY
"<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> ${CMAKE_GNULD_IMAGE_VERSION} <OBJECTS> <LINK_LIBRARIES>")
set(CMAKE_${lang}_LINK_EXECUTABLE
"<CMAKE_${lang}_COMPILER> <FLAGS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> -Wl,--out-implib,<TARGET_IMPLIB> ${CMAKE_GNULD_IMAGE_VERSION} <LINK_LIBRARIES>")
# No -fPIC on cygwin
set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "")
set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "")
set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "")
# Initialize C link type selection flags. These flags are used when
# building a shared library, shared module, or executable that links
# to other libraries to select whether to use the static or shared
# versions of the libraries.
foreach(type SHARED_LIBRARY SHARED_MODULE EXE)
set(CMAKE_${type}_LINK_STATIC_${lang}_FLAGS "-Wl,-Bstatic")
set(CMAKE_${type}_LINK_DYNAMIC_${lang}_FLAGS "-Wl,-Bdynamic")
endforeach()
set(CMAKE_EXE_EXPORTS_${lang}_FLAG "-Wl,--export-all-symbols")
# TODO: Is -Wl,--enable-auto-import now always default?
set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "${CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS} -Wl,--enable-auto-import")
set(CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS "${CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS}")
endmacro()
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