http://www.openembedded.org/api.php?action=feedcontributions&user=174.142.104.57&feedformat=atomOpenembedded.org - User contributions [en]2024-03-29T13:35:45ZUser contributionsMediaWiki 1.29.0http://www.openembedded.org/index.php?title=Getting_started_with_OE-Classic&diff=1726Getting started with OE-Classic2009-10-09T16:03:43Z<p>174.142.104.57: /* Setting up the toolchain and doing a build */</p>
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= Problems =<br />
Try to solve problems first by checking that you have done everything right, that nothing has changed from this description and that you have the latest code (see [[GitPhraseBook]]). Look also in the log file (referenced in any error message you will receive). If you still have problems, try checking [[PossibleFailures]] and [http://www.openembedded.org/wiki/OeFaq#builderrors common build errors]. <br />
Above links are dead, you can try the [[:Category:FAQ]]. If problems persist, ask on [[IRC]] or in the [[Mailing lists|openembedded mailing list]].<br />
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The Openembedded metadata is changing constantly. This implies several things:<br />
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# Once you have a "known good" version that works well on your system, keep it! To update, clone a new copy; don't overwrite that working version until it's known to be safe.<br />
# To resolve build problems, "git pull" is your good friend. Many times, the issues will already be fixed in the current tree.<br />
# Not all metadata updates cause the local caches to update correctly. Sometimes you'll need to remove the ".../tmp" work directory and rebuild from scratch.<br />
# Similar issues apply to the package sources you download.<br />
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= Portability issues =<br />
Make sure to set <nowiki>TARGET_OS</nowiki> to something other than linux in local.conf if your host isn't linux.<br />
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GNU extensions to tools are often required. Symlink GNU patch, make, and cp (from fileutils), chmod, sed, find, tar, awk into your OE development path.<br />
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FreeBSD 4 users: Perl 5.0 is too old. A more recent perl must be available as <nowiki>/usr/bin/perl</nowiki>. Unfortunately just having more recent perl in the path isn't good enough. Some scripts are hard-coded for <nowiki>/usr/bin/perl</nowiki>. You can test for which perl you're using by typing perl -v. see /usr/ports/UPDATING for instructions on updating perl. Don't forget to do a use.perl port as instructed in /usr/ports/UPDATING<br />
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FreeBSD users: Set <nowiki>BUILD_OS</nowiki> in local.conf to freebsdN where N is your major version number. At least the cross gcc wants this.<br />
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FreeBSD users: The build process of glibc uses a very long command line at some places. Increase ARG_MAX to at least 131072, by editing /usr/sys/sys/syslimits.h and recompile your kernel (and reboot).<br />
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= Productivity notes =<br />
Use the interactive bitbake mode ("bitbake -i") to speed up work when debugging or developing .bb files. Remember to run "parse" at the prompt first. Go!<br />
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If you want to save some compile time or are interested in additional tweaks to local.conf take a look at the [[Advanced configuration]] page.<br />
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[[Category:User]]</div>174.142.104.57