[OE-core] [PATCH 2/4] opkg-utils: add update-alternatives PACKAGECONFIG

[Robert Yang]

On 01/16/2016 04:07 AM, Christopher Larson wrote:
>
> On Fri, Jan 15, 2016 at 2:23 AM, Robert Yang <liezhi.yang at windriver.com
> <mailto:liezhi.yang at windriver.com>> wrote:
>
>
>     I've afraid this patch can't work well, when opkg-utils doesn't provide
>     virtual/update-alternatives, then chkconfig would be built and there would
>     be dependency loops for example,
>
>     PACKAGECONFIG = "python"
>     $ bitbake core-image-minimal
>
>     [snip]
>     ERROR:
>     Dependency loop #1 found:
>        Task 747
>     (/buildarea/lyang1/poky/meta/recipes-support/libpcre/libpcre_8.38.bb
>     <http://libpcre_8.38.bb>, do_packagedata) (dependent Tasks ['libpcre,
>     do_package'])
>        Task 2067
>     (/buildarea/lyang1/poky/meta/recipes-extended/slang/slang_2.2.4.bb
>     <http://slang_2.2.4.bb>, do_package) (dependent Tasks ['gcc-runtime,
>     do_packagedata', 'pseudo, do_populate_sysroot', 'slang, do_install',
>     'libpcre, do_packagedata', 'libtool-cross, do_packagedata', 'glibc,
>     do_packagedata', 'rpm, do_populate_sysroot'])
>        Task 2064
>     (/buildarea/lyang1/poky/meta/recipes-extended/slang/slang_2.2.4.bb
>     <http://slang_2.2.4.bb>, do_packagedata) (dependent Tasks ['slang, do_package'])
>        Task 1876
>     (/buildarea/lyang1/poky/meta/recipes-extended/newt/libnewt_0.52.18.bb
>     <http://libnewt_0.52.18.bb>, do_package) (dependent Tasks ['slang,
>     do_packagedata', 'gcc-runtime, do_packagedata', 'pseudo,
>     do_populate_sysroot', 'libnewt, do_install', 'libtool-cross,
>     do_packagedata', 'glibc, do_packagedata', 'popt, do_packagedata', 'rpm,
>     do_populate_sysroot'])
>        Task 1873
>     (/buildarea/lyang1/poky/meta/recipes-extended/newt/libnewt_0.52.18.bb
>     <http://libnewt_0.52.18.bb>, do_packagedata) (dependent Tasks ['libnewt,
>     do_package'])
>        Task 1405
>     (/buildarea/lyang1/poky/meta/recipes-extended/chkconfig/chkconfig_1.3.58.bb
>     <http://chkconfig_1.3.58.bb>, do_package) (dependent Tasks ['gcc-runtime,
>     do_packagedata', 'pseudo, do_populate_sysroot', 'glibc, do_packagedata',
>     'libnewt, do_packagedata', 'chkconfig, do_install', 'popt, do_packagedata',
>     'gettext, do_packagedata', 'rpm, do_populate_sysroot'])
>        Task 1402
>     (/buildarea/lyang1/poky/meta/recipes-extended/chkconfig/chkconfig_1.3.58.bb
>     <http://chkconfig_1.3.58.bb>, do_packagedata) (dependent Tasks ['chkconfig,
>     do_package'])
>        Task 853
>     (/buildarea/lyang1/poky/meta/recipes-extended/bzip2/bzip2_1.0.6.bb
>     <http://bzip2_1.0.6.bb>, do_package) (dependent Tasks ['gcc-runtime,
>     do_packagedata', 'bzip2, do_install_ptest_base', 'bzip2, do_install',
>     'libtool-cross, do_packagedata', 'glibc, do_packagedata', 'pseudo,
>     do_populate_sysroot', 'chkconfig, do_packagedata', 'rpm, do_populate_sysroot'])
>        Task 850
>     (/buildarea/lyang1/poky/meta/recipes-extended/bzip2/bzip2_1.0.6.bb
>     <http://bzip2_1.0.6.bb>, do_packagedata) (dependent Tasks ['bzip2, do_package'])
>        Task 750
>     (/buildarea/lyang1/poky/meta/recipes-support/libpcre/libpcre_8.38.bb
>     <http://libpcre_8.38.bb>, do_package) (dependent Tasks ['libpcre,
>     do_install_ptest_base', 'libpcre, do_install', 'gcc-runtime,
>     do_packagedata', 'pseudo, do_populate_sysroot', 'libtool-cross,
>     do_packagedata', 'glibc, do_packagedata', 'bzip2, do_packagedata', 'zlib,
>     do_packagedata', 'rpm, do_populate_sysroot'])
>
>
> Afaict it should work for the native case, just not target, if you use the
> chkconfig-alternatives-native recipe. In meta-mentor we have that recipe for
> target as well, to cover both cases, I'll see about submitting that. We've been
> using the chkconfig update-alternatives implementation for a few releases now.

If I understand correctly, maybe we need make PACKAGECONFIG only
be available for opkg-utils-native ?

// Robert

> --
> Christopher Larson
> kergoth at gmail dot com
> Founder - BitBake, OpenEmbedded, OpenZaurus
> Maintainer - Tslib
> Senior Software Engineer, Mentor Graphics