On Tue, 2017-02-28 at 08:22 -0500, Brad King wrote: > On 02/28/2017 05:25 AM, Jörg Krause wrote: > > Buildroot does not have any problems with searching for libraries > > in > > lib32. It does have a problem with having a host rpath used for > > linking > > with libraries. > > From your description we are not adding a host rpath. It's coming > from > /sysroot/usr/lib32 which is converted to /usr/lib32 by stripping the > sysroot. If you were to run the binary purely in the target > environment > then it would find the library in the target's /usr/lib32. It is not > clear to my how the binary is being run on the host, but doing so > uses > the host's /usr/lib32 because the binary was built for the target. > > > From my understanding, there are some possibilities to fix this > > issue: > > 1) Prefer to search in lib if FIND_LIBRARY_USE_LIB32_PATHS is > > enabled, > > and only search in lib32 in case the target is not found in lib. > > The purpose of that features is so on a 64-bit system with 64-bit > libs > in `lib` and 32-bit libs in `lib32` that we find the latter when the > target architecture is 32 bit. > > > 2) Make sure, in case lib32 is a symlink, to follow the symlink. > > I was thinking the same thing. The lib => lib32 search path > conversion > should just be skipped if lib32 is a symlink back to lib. > > > 3) Make sure, in case lib32 is a symlink to lib and is not included > > in > > the linker search paths, to add it to the implicit runtime search > > paths. > > Yes, the issue I filed is about handling symlinks when comparing > rpath > entries to the list of implicit directories. > > I encourage you to sign up on gitlab.kitware.com to join discussion > in > that issue.
I move the discussion to the gitlab issue: https://gitlab.kitware.com/c make/cmake/issues/16682 Jörg -- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/cmake
