[CMake] Wrong CMAKE_SYSTEM_NAME handling

[J Decker]

On Sat, Jan 3, 2015 at 1:50 PM, Marco Milanese <marcomilanese7 at gmail.com>
wrote:

> Hi,
>
> I'm trying to setup a cross compile CMakeLists.txt. My target is a embedded
> ARM core.
> This is my CMakeLists.txt <https://gist.github.com/a1849d9b5ff02606e860>
> .
>
> The linker script seems wrong:
> mm7 at pc5:~/test/cmake/build$ cat CMakeFiles/target.dir/link.txt
> arm-none-eabi-g++       CMakeFiles/target.dir/test.cpp.o  -o target
> -rdynamic
>
> I can't understand why is "-rdynamic" appended. It should be appended only
> if "CMAKE_SYSTEM_NAME"=Linux
> (
> https://github.com/Kitware/CMake/blob/4811915367cc23e68e2171b83509b8a382ff1941/Modules/Platform/Linux-GNU.cmake#L24
> ).
>
>
try setting cmake_system_name before project()
Ninja uses that is it's cmakelists.txt; but it appears before project.  I
use it in a toolcain file and toolchain is loaded before cmakelists so also
before Project()


> Is this a CMake bug or am I making some mistakes? Thank you
>
> Marco
>
>
>
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