#============================================================================= # 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()