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

[Priya Agarwal]

Hello,

Sorry to ask this question but I am unable to find any answer in reference
manuals.
${CC} is a c compiler. For c++ is it ${CXX} or something else.

Thanks.

On Fri, Mar 20, 2015 at 9:07 AM, Priya Agarwal <
priya_agarwal at students.iitmandi.ac.in> wrote:

> I have edited the Makefile.am as well in this way:
>
> squid_LDADD += -lusdpaa_of
>
> Then I just retarred squid code and build it again.
>
> And The libraries are shown in the compile command as well, when I see the
> log.do_compile generated during the build.
> Check Line number 403 in this pastebin link. (ctrl+F 'usdpaa_of' could
> show where all it occurs). http://pastebin.com/LpaymTQa
> So how is it possible they are not actually linked.
> I even checked the OVERRIDE variable in bitbake.conf which is set
> correctly.
> I really need to link this library. :/
>
> On Fri, Mar 20, 2015 at 8:43 AM, Khem Raj <raj.khem at gmail.com> wrote:
>
>>
>> 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
>> 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://pastebin.com/Bef2C7nX
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