> On 07 June 2017 at 18:12 Khem Raj <raj.k...@gmail.com> wrote: > > On Wed, Jun 7, 2017 at 9:37 AM, <colin.helliw...@ln-systems.com> wrote: > > > I have an autotools (C++) app which builds fine with my default recipe. But > > for a particular platform an additional (C) library is needed, so I have a > > bbappend. > > I can add in the additional compiler flag here, but I'm struggling to > > specify the additional library linkage - I think it's because the ordering > > on the linker command line is wrong. > > > > If I add '-lfoo' to the base Makefile.am then it builds fine (though > > strangely, "-lfoo" isn't anywhere in the linker command line?). > > But I'm trying to put this into just the 'append' rather than altering the > > base [non-platform-specific] Makefile. > > > > I've tried > > EXTRA_OEMAKE += " LDFLAGS+="-lfoo" " > > and > > LDFLAGS+="-lrfctrl" > > but these don't seem to construct the correct linkage order (functions from > > the library are undefined references) > > > > Is there a way to append this in the right way? > > it depends on components build systems some are more accommodating of > the env passed to them some are not. So in many > cases you have to patch the make system of the component to > allow it to accept changes to variables passed from bitbake env > from what you explain it seems you might have to look into > component's build system to accommodate it. >
Thanks Khem. I *could* patch the Makefile.am, if there's no other way -- _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto
