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| H A D | event_log.mk | 3dc41a619603fcc6582646e4fbfee2b356a2b47b Thu Sep 25 12:14:14 UTC 2025 Chris Kay <chris.kay@arm.com> fix(build): force CMake to cross-compile
CMake provides the `CMAKE_SYSTEM_NAME` variable, which identifies the
target operating system that the project is being built for. By default
this variable inherits its value from `CMAKE_HOST_SYSTEM_NAME`, which
identifies the operating system of the host machine.
If these two variables differ in value, CMake determines that the
project is being cross-compiled, and changes some of its behaviours.
For example: on macOS, unless cross-compiling is enabled, CMake passes
Apple Clang's `-arch` flag to the C compiler whether it is Apple Clang
or not.
To resolve this, this change now sets the following CMake variables:
- `CMAKE_SYSTEM_NAME` to `Generic`, indicating no specific system.
- `CMAKE_SYSTEM_VERSION` to ``, to un-inherit the host system version.
See the CMake documentation for the following variables:
- https://cmake.org/cmake/help/latest/variable/CMAKE_LANG_COMPILER.html
- https://cmake.org/cmake/help/latest/variable/CMAKE_LANG_HOST_COMPILER.html
- https://cmake.org/cmake/help/latest/variable/CMAKE_CROSSCOMPILING.html
Change-Id: Id5406c61baec459f56b6a105b3b507d238ff2847
Signed-off-by: Chris Kay <chris.kay@arm.com>
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