diff options
| -rw-r--r-- | CMakeLists.txt | 1 | ||||
| -rw-r--r-- | Modules/Platform/CYGWIN.cmake | 46 | ||||
| -rw-r--r-- | Source/cmMakefile.cxx | 10 |
3 files changed, 52 insertions, 5 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 98bde02..4508e33 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -10,6 +10,7 @@ # See the License for more information. #============================================================================= CMAKE_MINIMUM_REQUIRED(VERSION 2.4.5 FATAL_ERROR) +SET(CMAKE_LEGACY_CYGWIN_WIN32 0) # Remove when CMake >= 2.8.4 is required PROJECT(CMake) IF(COMMAND CMAKE_POLICY) CMAKE_POLICY(SET CMP0003 NEW) diff --git a/Modules/Platform/CYGWIN.cmake b/Modules/Platform/CYGWIN.cmake index 1576982..b7ad2ce 100644 --- a/Modules/Platform/CYGWIN.cmake +++ b/Modules/Platform/CYGWIN.cmake @@ -1,4 +1,48 @@ -SET(WIN32 1) +if("${CMAKE_MINIMUM_REQUIRED_VERSION}" VERSION_LESS "2.8.3.20101214") + set(__USE_CMAKE_LEGACY_CYGWIN_WIN32 1) +endif() +if(NOT DEFINED WIN32) + set(WIN32 0) + if(DEFINED __USE_CMAKE_LEGACY_CYGWIN_WIN32) + if(NOT DEFINED CMAKE_LEGACY_CYGWIN_WIN32 + AND DEFINED ENV{CMAKE_LEGACY_CYGWIN_WIN32}) + set(CMAKE_LEGACY_CYGWIN_WIN32 $ENV{CMAKE_LEGACY_CYGWIN_WIN32}) + endif() + if(CMAKE_LEGACY_CYGWIN_WIN32) + message(STATUS "Defining WIN32 under Cygwin due to CMAKE_LEGACY_CYGWIN_WIN32") + set(WIN32 1) + elseif("x${CMAKE_LEGACY_CYGWIN_WIN32}" STREQUAL "x") + message(WARNING "CMake no longer defines WIN32 on Cygwin!" + "\n" + "(1) If you are just trying to build this project, ignore this warning " + "or quiet it by setting CMAKE_LEGACY_CYGWIN_WIN32=0 in your environment or " + "in the CMake cache. " + "If later configuration or build errors occur then this project may " + "have been written under the assumption that Cygwin is WIN32. " + "In that case, set CMAKE_LEGACY_CYGWIN_WIN32=1 instead." + "\n" + "(2) If you are developing this project, add the line\n" + " set(CMAKE_LEGACY_CYGWIN_WIN32 0) # Remove when CMake >= 2.8.4 is required\n" + "at the top of your top-level CMakeLists.txt file or set the minimum " + "required version of CMake to 2.8.4 or higher. " + "Then teach your project to build on Cygwin without WIN32.") + endif() + elseif(DEFINED CMAKE_LEGACY_CYGWIN_WIN32) + message(AUTHOR_WARNING "CMAKE_LEGACY_CYGWIN_WIN32 ignored because\n" + " cmake_minimum_required(VERSION ${CMAKE_MINIMUM_REQUIRED_VERSION})\n" + "is at least 2.8.4.") + endif() +endif() +if(DEFINED __USE_CMAKE_LEGACY_CYGWIN_WIN32) + # Pass WIN32 legacy setting to scripts. + if(WIN32) + set(ENV{CMAKE_LEGACY_CYGWIN_WIN32} 1) + else() + set(ENV{CMAKE_LEGACY_CYGWIN_WIN32} 0) + endif() + unset(__USE_CMAKE_LEGACY_CYGWIN_WIN32) +endif() + SET(CYGWIN 1) SET(CMAKE_SHARED_LIBRARY_PREFIX "cyg") diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx index 56e0ed9..813258d 100644 --- a/Source/cmMakefile.cxx +++ b/Source/cmMakefile.cxx @@ -2340,17 +2340,19 @@ void cmMakefile::AddDefaultDefinitions() working, these variables are still also set here in this place, but they will be reset in CMakeSystemSpecificInformation.cmake before the platform files are executed. */ -#if defined(_WIN32) || defined(__CYGWIN__) +#if defined(_WIN32) this->AddDefinition("WIN32", "1"); this->AddDefinition("CMAKE_HOST_WIN32", "1"); #else this->AddDefinition("UNIX", "1"); this->AddDefinition("CMAKE_HOST_UNIX", "1"); #endif - // Cygwin is more like unix so enable the unix commands #if defined(__CYGWIN__) - this->AddDefinition("UNIX", "1"); - this->AddDefinition("CMAKE_HOST_UNIX", "1"); + if(cmSystemTools::IsOn(cmSystemTools::GetEnv("CMAKE_LEGACY_CYGWIN_WIN32"))) + { + this->AddDefinition("WIN32", "1"); + this->AddDefinition("CMAKE_HOST_WIN32", "1"); + } #endif #if defined(__APPLE__) this->AddDefinition("APPLE", "1"); |