[CMake] CMAKE_SYSROOT

[Craig Scott]

Perhaps you are looking for CMAKE_FIND_ROOT_PATH
<https://cmake.org/cmake/help/latest/variable/CMAKE_FIND_ROOT_PATH.html>,
CMAKE_FIND_ROOT_PATH_MODE_LIBRARY
<https://cmake.org/cmake/help/latest/variable/CMAKE_FIND_ROOT_PATH_MODE_LIBRARY.html>
and
friends?

On Tue, Jul 3, 2018 at 10:58 PM, dbegun via CMake <cmake at cmake.org> wrote:

> I am cross-compiling some code for ARM on an x86 host with cmake 3.5.1.
> The code has multiple dependencies, and I placed relevant cross-compiled
> libraries in /home/dev/arm_build. I was hoping that
> specifying CMAKE_SYSROOT=/home/dev/arm_build in my CMAKE_TOOLCHAIN_FILE
> would prefix it to the search path of the find_* commands, so I won't have
> to modify existing Find*.cmake files. However, when I do that, cmake is
> unable to locate the compiler's libc files (my compiler also resides in
> /home/dev/arm_build) and is unable to compile a test program, not finding
> crt1.o, crti.o etc. Without specifying CMAKE_SYSROOT things work, it's just
> that I have to edit the Find*.cmake files. I can live with that, but any
> suggestions?
>
>
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-- 
Craig Scott
Melbourne, Australia
https://crascit.com
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