diff options
Diffstat (limited to 'Modules/CMakeSystemSpecificInitialize.cmake')
| -rw-r--r-- | Modules/CMakeSystemSpecificInitialize.cmake | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Modules/CMakeSystemSpecificInitialize.cmake b/Modules/CMakeSystemSpecificInitialize.cmake index 21bcd40..ee8cb86 100644 --- a/Modules/CMakeSystemSpecificInitialize.cmake +++ b/Modules/CMakeSystemSpecificInitialize.cmake @@ -5,6 +5,19 @@ # This file is included by cmGlobalGenerator::EnableLanguage. # It is included before the compiler has been determined. +# before cmake 2.6 these variables were set in cmMakefile.cxx. This is still +# done to keep scripts and custom language and compiler modules working. +# But they are reset here and set again in the platform files for the target +# platform, so they can be used for testing the target platform instead +# of testing the host platform. +unset(APPLE) +unset(UNIX) +unset(CYGWIN) +unset(MSYS) +unset(WIN32) +unset(BSD) +unset(LINUX) + # The CMAKE_EFFECTIVE_SYSTEM_NAME is used to load compiler and compiler # wrapper configuration files. By default it equals to CMAKE_SYSTEM_NAME # but could be overridden in the ${CMAKE_SYSTEM_NAME}-Initialize files. @@ -12,7 +25,7 @@ # It is useful to share the same aforementioned configuration files and # avoids duplicating them in case of tightly related platforms. # -# An example are the platforms supported by Xcode (macOS, iOS, tvOS, +# An example are the platforms supported by Xcode (macOS, iOS, tvOS, visionOS # and watchOS). For all of those the CMAKE_EFFECTIVE_SYSTEM_NAME is # set to Apple which results in using # Platform/Apple-AppleClang-CXX.cmake for the Apple C++ compiler. |