[yocto] Including Static Libraries from sysroot in an autotools based package

[Khem Raj]

> On Mar 19, 2015, at 2:07 AM, Priya Agarwal <priya_agarwal at students.iitmandi.ac.in> wrote:
> 
> Hi,
> 
> I need to link some libraries which are in sysroot into my source code. These are usdpaa libraries.
> 
> I added DEPENDS += "usdpaa" in .bb file.
> Apart from that also changed the Makefile.am of my source to include the following:
> area_LDADD = -lusdpaa_of
> Then I ran aclocal, autoconf, automake --add-missing and retarred my package.
> 
> When the package is being built from recipe, do_compile fails. It shows "undefined reference to" error.
> So this means that libraries are not getting linked by just doing the above changes. What else I need to change?

I think you need to specify them in Makefile.am using LDADD since it is using auto tools. Please take a look at Automake documentation
http://www.gnu.org/software/automake/manual/html_node/Linking.html <http://www.gnu.org/software/automake/manual/html_node/Linking.html>
might be helpful.

> 
> I think this problem is specific to autotools based projects as when I include the libraries during the gcc command they are easily included.
> 
> do_compile() {
>     ${CC} check.c -o check -lusdpaa_of
> }
> link to area.bb <http://area.bb/>
> http://pastebin.com/Bef2C7nX <http://pastebin.com/Bef2C7nX>-- 
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