[yocto] errors in recipe after move from devtool

[Paul Eggleton]

On Thursday, 12 October 2017 6:07:55 AM NZDT Greg Wilson-Lindberg wrote:
> Thanks for the info, now I understand what is going on. Hopefully I can find
> a way to get rid of the RPATH, I don't like ignoring errors or warnings.
> 
> I've spent some more time looking into this, I haven't been able to find out
> where the -rpath comes from. If I start a devshell none of the environment
> variables have it set. In the run.do_compile log none of the environment
> variables have it set, it's not set in the run.do_configure log. But in the
> log.do_compile file the command that links the library:
> 
> /home/gwilson/Qt-5.9/Yocto-build-RPi3/build-raspberrypi3/tmp/sysroots/
> x86_64-linux/usr/bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi-gcc ... 
> -Wl,-rpath,/usr/lib 
> 
> There it is at the end of the command line.
> 
> As you can see the build for zint is based on CMake. Do you have any
> suggestions as to where I can look to figure out how this is getting set,
> I've done searches of all of the files in the zint download and the only
> ones that have -rpath in them are some files that build a tcl based support
> program that has its own autotools based build system.

This seems to be something that CMake handles itself. From a quick google 
which found the CMake wiki page on the subject [1], you may perhaps set 
CMAKE_SKIP_RPATH? In theory you could do that via EXTRA_OECMAKE in the recipe
i.e.

EXTRA_OECMAKE += "-DCMAKE_SKIP_RPATH=TRUE"

Cheers,
Paul

[1] https://cmake.org/Wiki/CMake_RPATH_handling

-- 

Paul Eggleton
Intel Open Source Technology Centre