1if("${CMAKE_MINIMUM_REQUIRED_VERSION}" VERSION_LESS "2.8.3.20101214" AND NOT MSYS) 2 set(__USE_CMAKE_LEGACY_CYGWIN_WIN32 1) 3endif() 4if(NOT DEFINED WIN32 AND NOT MSYS) 5 set(WIN32 0) 6 if(DEFINED __USE_CMAKE_LEGACY_CYGWIN_WIN32) 7 if(NOT DEFINED CMAKE_LEGACY_CYGWIN_WIN32 8 AND DEFINED ENV{CMAKE_LEGACY_CYGWIN_WIN32}) 9 set(CMAKE_LEGACY_CYGWIN_WIN32 $ENV{CMAKE_LEGACY_CYGWIN_WIN32}) 10 endif() 11 if(CMAKE_LEGACY_CYGWIN_WIN32) 12 message(STATUS "Defining WIN32 under Cygwin due to CMAKE_LEGACY_CYGWIN_WIN32") 13 set(WIN32 1) 14 elseif("x${CMAKE_LEGACY_CYGWIN_WIN32}" STREQUAL "x") 15 message(WARNING "CMake no longer defines WIN32 on Cygwin!" 16 "\n" 17 "(1) If you are just trying to build this project, ignore this warning " 18 "or quiet it by setting CMAKE_LEGACY_CYGWIN_WIN32=0 in your environment or " 19 "in the CMake cache. " 20 "If later configuration or build errors occur then this project may " 21 "have been written under the assumption that Cygwin is WIN32. " 22 "In that case, set CMAKE_LEGACY_CYGWIN_WIN32=1 instead." 23 "\n" 24 "(2) If you are developing this project, add the line\n" 25 " set(CMAKE_LEGACY_CYGWIN_WIN32 0) # Remove when CMake >= 2.8.4 is required\n" 26 "at the top of your top-level CMakeLists.txt file or set the minimum " 27 "required version of CMake to 2.8.4 or higher. " 28 "Then teach your project to build on Cygwin without WIN32.") 29 endif() 30 elseif(DEFINED CMAKE_LEGACY_CYGWIN_WIN32) 31 message(AUTHOR_WARNING "CMAKE_LEGACY_CYGWIN_WIN32 ignored because\n" 32 " cmake_minimum_required(VERSION ${CMAKE_MINIMUM_REQUIRED_VERSION})\n" 33 "is at least 2.8.4.") 34 endif() 35endif() 36if(DEFINED __USE_CMAKE_LEGACY_CYGWIN_WIN32) 37 # Pass WIN32 legacy setting to scripts. 38 if(WIN32) 39 set(ENV{CMAKE_LEGACY_CYGWIN_WIN32} 1) 40 else() 41 set(ENV{CMAKE_LEGACY_CYGWIN_WIN32} 0) 42 endif() 43 unset(__USE_CMAKE_LEGACY_CYGWIN_WIN32) 44endif() 45 46set(CYGWIN 1) 47 48set(CMAKE_SHARED_LIBRARY_PREFIX "cyg") 49set(CMAKE_SHARED_LIBRARY_SUFFIX ".dll") 50set(CMAKE_SHARED_MODULE_PREFIX "cyg") 51set(CMAKE_SHARED_MODULE_SUFFIX ".dll") 52set(CMAKE_IMPORT_LIBRARY_PREFIX "lib") 53set(CMAKE_IMPORT_LIBRARY_SUFFIX ".dll.a") 54set(CMAKE_EXECUTABLE_SUFFIX ".exe") # .exe 55# Modules have a different default prefix that shared libs. 56set(CMAKE_MODULE_EXISTS 1) 57 58set(CMAKE_FIND_LIBRARY_PREFIXES "lib") 59set(CMAKE_FIND_LIBRARY_SUFFIXES ".dll.a" ".a") 60 61# Shared libraries on cygwin can be named with their version number. 62set(CMAKE_SHARED_LIBRARY_NAME_WITH_VERSION 1) 63 64include(Platform/UnixPaths) 65 66# Windows API on Cygwin 67list(APPEND CMAKE_SYSTEM_INCLUDE_PATH 68 /usr/include/w32api 69 ) 70 71# Windows API on Cygwin 72list(APPEND CMAKE_SYSTEM_LIBRARY_PATH 73 /usr/lib/w32api 74 ) 75