removing ancient libosmocore fork from osmocom-bb.git

Craig Comstock craig_comstock at yahoo.com
Wed May 17 00:19:24 UTC 2017


I will try this on Debian stable. 

On May 16, 2017 11:18:45 AM CDT, Harald Welte <laforge at gnumonks.org> wrote:
>Dear all,
>
>when we initially crated OsmocomBB, we moved the code that it shared
>with the pre-existing OpenBSC project into libosmocore.git, where
>libosmocore and libosmogsm are built.  As libosmocore was quite a bit
>in
>flux (and we didn't have jenkins+gerrit yet), we decided to have a
>local
>clone of libosmocore.git as a git-subtree module inside osmocom-bb.git
>
>Meanwhile, upstream libosmocore received more and more code, and none
>of that was ever built with an 'arm-non-eabi' toolchain and
>--enable-embedded.
>
>I've been working quite a bit during the last week on making that
>embedded build work again.
>
>The idea is to be able to configure + build libosmocore.git master
>using
>something like 
>
>./configure	--prefix=/usr/local/arm-none-eabi \
>	 	--host=arm-none-eabi \
>		--enable-embedded \
>		--disable-shared \
>		CFLAGS="-Os -ffunction-sections -fdata-sections -nostartfiles
>-nodefaultlibs"
>
>and then install it onto the host pc.  I've used
>/usr/local/arm-none-eabi as the prefix, but it could of course be
>anywhere.
>
>The above already works for me on Debian unstable using libosmocore.git
>master. I have some patches pending in laforge/sercomm and
>laforge/pseudotalloc, but those are not mandatory to make the build
>work
>
>The local clone of libosmocore in OsmocomBB src/shared/libosmocore will
>be removed, and the Makefiles of osmocom-bb instructed to use the
>system-installed libosmocore from /usr/local/arm-none-eabi (see my
>'laforge/remove-libosmocore' branch in).  This also already "works" on
>my Debian unstable system, in as far as there are no unresolved symbols
>or other compilation/linking issues, and the firmware images are
>generated.  I have not tested any of the resulting binaries yet, and as
>I'm travelling without compatible hardware (and overloaded), it's
>unlikely that I'll be able to test it soon.
>
>Nevertheless, this is what I would like to move to.  If anyone wants to
>try if he can build the embedded libosmocore and resulting osmocom-bb
>from laforge/remove-libosmocore branch, please do so and report your
>progress/success/issues here.
>
>Next steps (after validating the above) are:
>* remove old sercomm.c code from osmocom-bb and use the new code from
>  libosmocore
>* remove 'talloc emulation' from osmocom-bb and use pseudotalloc from
>  libosmocore.git (plus an embedded 'malloc' like umm_malloc)
>
>Further ideas:
>* create Debian/Ubuntu package of cross-compiled libosmocore for
>  embedded-arm, which we can add to the Osmocom nightly builds apt
>  repository.
>* have an (optional?) osmocom-bb makefile step to git clone + configure
>  + make install libosmocore
>
>Anyone interested in helping out with this, please feel free to join
>in.
>
>Regards,
>	Harald
>-- 
>- Harald Welte <laforge at gnumonks.org>          
>http://laforge.gnumonks.org/
>============================================================================
>"Privacy in residential applications is a desirable marketing option."
>                                             (ETSI EN 300 175-7 Ch. A6)

-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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