| # Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| # file Copyright.txt or https://cmake.org/licensing for details. |
| |
| |
| # 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? |
| string(APPEND 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) |
| 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_${lang}_COMPILE_OPTIONS_PIE "") |
| set(_CMAKE_${lang}_PIE_MAY_BE_SUPPORTED_BY_LINKER NO) |
| set(CMAKE_${lang}_LINK_OPTIONS_PIE "") |
| set(CMAKE_${lang}_LINK_OPTIONS_NO_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? |
| string(APPEND CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS " -Wl,--enable-auto-import") |
| set(CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS "${CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS}") |
| |
| if(NOT CMAKE_RC_COMPILER_INIT) |
| set(CMAKE_RC_COMPILER_INIT windres) |
| endif() |
| |
| enable_language(RC) |
| endmacro() |