On Dec 6, 2013 11:53 PM, "Ulf Samuelsson" <openembed...@emagii.com> wrote:
>
> Running Angstrom Master (Yocto-1.3) and building for beaglebone.
>
> Have been using Ubuntu 12-04 LTS (i686) without problems.
> Then I reinstalled the machine with Ubuntu 12-04 LTS (x64)
> and then the build fails due to xfconf-4.10.0.bb
>
> Have googled around without finding a solution, only a workaround,
>
> This happens when "making" <xfconf>/xfconf-perl/Makefile.perl
>
> In the linker phase, the linker does not find
> libxconf-gvaluefuncs.a and libxfconf-0
> /usr/bin/ld: cannot find -lxfconf-0
> /usr/bin/ld: cannot find -l-ldbus-glib-1.
> /usr/bin/ld: cannot find -l-ldbus-1
>
> They find such libraries but they are skipped, due to incompatibility.
>
> "/usr/bin/ld: skipping incompatible
<....>xfconf-perl/../xfconf/.libs/libxfconf-gvaluefuncs.a"
>
> same for -lxfconf
>
> I think the error is because the build uses the native (x64) linker
instead of the ARM linker,
> The libraries found are of course built for 32 bit ARM, thus not useable
and the linker
> looks for something else.
>
> This was interesting, since I have another machine which also
> runs Ubuntu-12.04 LTS (x64) and on that machine,
> the build completes without problem.
>
> It turns out, that xfconf configure does not find any perl in the
> openembedded sysroot, but finds /usr/bin/perl, the native perl.
> I think that based on that, it decides to use the native linker.
>
> In the first machine (failing), it continues and looks for some perl
modules.
>
> checking for perl modules: ExtUtils::Depends, ExtUtils::PkgConfig,
Glib... yes,
>
>
> On the second machine, this check fails.
>
> checking for perl modules: ExtUtils::Depends, ExtUtils::PkgConfig,
Glib... no
>
> *** Required perl modules not found to build perl bindings. Requirements
are:
> ***
> *** ExtUtils::Depends 0.300
> *** ExtUtils::PkgConfig 1.000
> *** Glib 1.020
> ***
>
> Therefore configure decides to build xfconf without perl support, and thus
> xfconf-perl/Makefile.perl does not get generated, removing the cause
> of the failing build.
>
> Googling for the problem, I found a guy on the gumstix mailing list
> (Charles Ash <ashchar...@gmail.com>) which has a workaroung.
>
> recipes-xfce/xfconf/xfconf_4.10.0.bbappend:
>
> FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
> EXTRA_OECONF = "--disable-perl-bindings"
>
> This also results in xfconf-perl/Makefile.perl not beeing run,
> and then the build completes.
>
> I am going to try to make xfconf depend on "perl" instead.
> Then hopefully, "configure" should find the perl for ARM
> instead of the native perl.
That makes more sense than my little hack disabling perl bindings. I'll
give this approach a try.
-- Ash
>
> --
> Best Regards
> Ulf Samuelsson
> u...@emagii.com
> +46 722 427437
>
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