[yocto] Linking of external libraries in the recipe

[Priya Agarwal]

>
> If the libraries are already generated during the build it might be a
> case where you just DEPENDS_append = " <libraryproviderpackage>" at

he .bbappend file


I know where the libraries are but how do I make out which is the package.
(The needed '.a' files are in ..../usdpaa/git-r5/git/lib_powerpc/*)





On Thu, Mar 12, 2015 at 9:23 PM, Benjamin Esquivel <
benjamin.esquivel at linux.intel.com> wrote:

> On Thu, 2015-03-12 at 18:00 +0530, Priya Agarwal wrote:
> > Hello,
> >
> >
> > I have taken a recipe for the package squid from OpenEmbedded.org and
> > have built it along with the kernel image.
> >
> >
> > Now I want to edit its recipe so that it will include some external
> > libraries.
> > But these libraries are the ones that are generated during the build.
> > So how do I edit the recipe to include those libraries?
> >
> Hi Priya, if you want to use a recipe and make some modifications to
> it's behavior it is recommended that you do it via a .bbappend file
>
>
> http://www.yoctoproject.org/docs/1.7.1/dev-manual/dev-manual.html#using-bbappend-files
>
> If the libraries are already generated during the build it might be a
> case where you just DEPENDS_append = " <libraryproviderpackage>" at
> the .bbappend file. When the dependiencies are resolved prior your
> recipe is built, the headers and libraries are placed in a special part
> of the working directory that the recipes know where to look for (if
> they don't deviate of the standard, of course).
>
> >
> > Location of
> > library:  ../yocto/<build-directory>/............/libusdpaa.a
> >
> >
> >
> > currently the do_compile task is failing as I have used an extra
> > function whose library I haven't included. Snippet of the error:
> >
> > | main.cc: In function 'int SquidMainSafe(int, char**)':
> > | main.cc:1259:10: error: 'of_init' was not declared in this scope
> > | make[3]: *** [main.o] Error 1
> > | make[3]: *** Waiting for unfinished jobs....
> > | make[3]: Leaving directory
> >
> `/media/NewVolume/yocto/build_t4240qds_release/tmp/work/ppce6500-fsl_networking-linux/squid/3.4.7-r0/squid-3.4.7/src'
> > | make[2]: *** [all-recursive] Error 1
> > | make[2]: Leaving directory
> >
> `/media/NewVolume/yocto/build_t4240qds_release/tmp/work/ppce6500-fsl_networking-linux/squid/3.4.7-r0/squid-3.4.7/src'
> > | make[1]: *** [all] Error 2
> > | make[1]: Leaving directory
> >
> `/media/NewVolume/yocto/build_t4240qds_release/tmp/work/ppce6500-fsl_networking-linux/squid/3.4.7-r0/squid-3.4.7/src'
> > | make: *** [all-recursive] Error 1
> > | ERROR: oe_runmake failed
> > | ERROR: Function failed: do_compile
> > (see
> /media/NewVolume/yocto/build_t4240qds_release/tmp/work/ppce6500-fsl_networking-linux/squid/3.4.7-r0/temp/log.do_compile.28810
> for further information)
> > ERROR: Task 799
> > (/media/NewVolume/yocto/meta-oe/meta-networking/recipes-daemons/squid/
> squid_3.4.7.bb, do_compile) failed with exit code '1'
> >
> >
> > I have attached my recipe.
> >
> >
> >
>
>
> --
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