On Fri, Mar 17, 2017 at 05:51:38PM +0000, Ken Moffat wrote: > Yet again, I've got a weird FTBFS in Qt, again apparently in > qtwebengine. This is on this week's svn for both LFS and BLFS, but > the only significant change since 8.0 is binutils, which (to me) > doesn't look likely. The failing command is "rather long" - > [ snipped, pro tem ] > > Unfortunately, the Qt build takes just over 2.5 hours to get to this > point, using all my CPUs. So trying alternative fixes if I had any > will not be quick. Suggestions, please ? >
Partial update, but not yet sure if this is going anywhere... This is on my AMD Phenom which has a reputation for being problematic. It locked up using gimp-2.9, and initially it had failed to untar qt5, because the tarball was corrupt : md5sum agreed, but after dropping the caches the tarball was ok. So, I seem to have memory which sporadically fails - google found a few suggestions to slightly increase the CPU voltage, including for a phenom - perhaps this cheap mobo has setting that fit a slightly earlier CPU, and/or less RAM. I took a look at the BIOS, but there are zero settings for changing the voltage, and using an overclocking profile needs to read it from the C: drive, whatever that is :) Then I gave it a go with memtest86 (the latest version of the original, but it boots to v4.73 for a BIOS machine) - that seemed fine, and I did manage to get it testing with all four cores running in parallel. Back to retryring the build - because I sometimes install Qt5 for extras before I get this far, my script tests if qmake has already been installed: it had, so the failure was during the install of Qt, probably near the end. I've gone back to look at what we talked about last May - building qtwebengine separately. No idea for the moment if it will complete (doing a test build now), but among other things it is using a shipped version of ninja : qmake uses all cores, so does make and ninja [ i.e. it's not just rust that does that nowadays ]. Looking at my logs from earlier, it appears that qtwebengine uses ninja even when building as part of Qt5. ĸen -- `I shall take my mountains', said Lu-Tze. `The climate will be good for them.' -- Small Gods -- http://lists.linuxfromscratch.org/listinfo/blfs-support FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page
