On Fri, 8 Apr 2016, Martin Jansa wrote: > On Fri, Apr 08, 2016 at 09:57:02AM -0400, Robert P. J. Day wrote: > > > > i was just playing with wind river linux 8 and trying to figure out > > why i couldn't generate a local version string that contained the git > > commit ID, so i zipped over to oe-core to see how it was done there, > > and it seems to be the same way, so can someone clarify that my > > understanding here is correct? > > > > normally, if i want to add the git commit ID ("-gxxxxxxxx") to the > > kernel version string so it's available via "uname", i'm used to > > selecting the kernel config option CONFIG_LOCALVERSION_AUTO, which > > uses: > > > > $ git rev-parse --verify HEAD > > > > to extract the first 8 characters of the commit ID. so i selected that > > option, but wasn't getting that string. > > > > poking around further, i saw this in scripts/setlocalversion: > > > > scm_version() > > { > > local short > > short=false > > > > cd "$srctree" > > if test -e .scmversion; then > > cat .scmversion > > return > > fi > > ... snip ... > > > > so if the file ".scmversion" exists, its contents are used instead. > > now *i* never set that file, but lo and behold, in the kernel source > > tree, there it was, empty, which explains why i wasn't getting any > > local version string. > > > > and where did that empty .scmversion file come from? i see this in > > kernel.bbclass: > > > > kernel_do_configure() { > > # fixes extra + in /lib/modules/2.6.37+ > > # $ scripts/setlocalversion . => + > > # $ make kernelversion => 2.6.37 > > # $ make kernelrelease => 2.6.37+ > > touch ${B}/.scmversion ${S}/.scmversion <---- there > > ... snip ... > > > > which clearly appears to touch that empty file. is that deliberate? is > > this an explicit decision by this bbclass file to prevent people from > > generating that local version string? am i reading all this correctly? > > Yes, see > http://lists.openembedded.org/pipermail/openembedded-core/2011-December/053263.html > for more details
hmmmmm ... that's disappointing as i could have used that feature. i guess i can always tweak a recipe that removes those files. rday -- ======================================================================== Robert P. J. Day Ottawa, Ontario, CANADA http://crashcourse.ca Twitter: http://twitter.com/rpjday LinkedIn: http://ca.linkedin.com/in/rpjday ======================================================================== -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core