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| author | Martin Storsjö <martin@martin.st> | 2023-03-24 10:59:23 +0200 |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2023-03-24 11:57:01 -0400 |
| commit | 4d23636694f88c5a34926bae1f26d90a229d6773 (patch) | |
| tree | 010c25890751bc29df782805a5ae127299f61e79 /Modules/CMakeDetermineSystem.cmake | |
| parent | c4c4ca0e87a900bf077b05b79b9a2198ec7493d6 (diff) | |
| download | cmake-4d23636694f88c5a34926bae1f26d90a229d6773.tar.gz | |
Warn if CMAKE_CROSSCOMPILING is true without CMAKE_SYSTEM_NAME set
Also clarify the `CMAKE_CROSSCOMPILING` documentation to state that
CMake sets the variable automatically.
Diffstat (limited to 'Modules/CMakeDetermineSystem.cmake')
| -rw-r--r-- | Modules/CMakeDetermineSystem.cmake | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Modules/CMakeDetermineSystem.cmake b/Modules/CMakeDetermineSystem.cmake index d4dcc62f99..386be73f68 100644 --- a/Modules/CMakeDetermineSystem.cmake +++ b/Modules/CMakeDetermineSystem.cmake @@ -176,6 +176,13 @@ else() set(CMAKE_SYSTEM_VERSION "${CMAKE_HOST_SYSTEM_VERSION}") endif() set(CMAKE_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}") + if(CMAKE_CROSSCOMPILING) + message(AUTHOR_WARNING + "CMAKE_CROSSCOMPILING has been set by the project, toolchain file, or user. " + "CMake is resetting it to false because CMAKE_SYSTEM_NAME was not set. " + "To indicate cross compilation, only CMAKE_SYSTEM_NAME needs to be set." + ) + endif() set(CMAKE_CROSSCOMPILING FALSE) set(PRESET_CMAKE_SYSTEM_NAME FALSE) endif() |