On 11/9/2015 1:04 PM, Bryan Drewery wrote: > On 11/9/2015 9:08 AM, Bryan Drewery wrote: >> On 11/7/2015 12:41 AM, Craig Rodrigues wrote: >>> >>> >>> On Thu, Nov 5, 2015 at 8:45 PM, Bryan Drewery <bdrew...@freebsd.org >>> <mailto:bdrew...@freebsd.org>> wrote: >>> >>> Author: bdrewery >>> Date: Fri Nov 6 04:45:29 2015 >>> New Revision: 290433 >>> URL: https://svnweb.freebsd.org/changeset/base/290433 >>> >>> Log: >>> Add a FAST_DEPEND option, off by default, which speeds up the >>> build significantly. >>> >>> Enabling this by default, for src or out-of-src, can be done once >>> more testing >>> has been done, such as a ports exp-run, and with more compilers. >>> >>> >>> I put WITH_FAST_DEPEND="yes" in make.conf for these builds: >>> >>> https://jenkins.freebsd.org/job/FreeBSD_HEAD >>> https://jenkins.freebsd.org/job/FreeBSD_HEAD_amd64_gcc4.9 >>> https://jenkins.freebsd.org/job/FreeBSD_HEAD_sparc64 >>> >>> >>> For the FreeBSD_HEAD_sparc64 build, there is a weird failure on bootstrap: >>> >>> https://jenkins.freebsd.org/job/FreeBSD_HEAD_sparc64/1311/console >>> >>> If you put these entries in make.conf: >>> >>> TARGET=sparc64 >>> WITH_FAST_DEPEND=yes >>> >>> and do: >>> >>> make -j 4 buildworld __MAKE_CONF=make.conf >>> >>> That seems to trigger it. >>> >>> Can you take a look? >>> >> >> I'm finally getting to testing this. My initial guess is that >> WITH_FAST_DEPEND is simply exposing an existing race. The entire >> gnu/usr.bin/cc directory is full of races and duplication with >> generating the headers. Something that has been a problem in META_MODE. >> So either way I will fix it. >> >> > > I have figured this out and will have a fix in soon. It's a subtle > problem with having multiple files match expected objects based on > suffix transformation rules, that mkdep was avoiding. >
r290629 fixes the GCC build with WITH_FAST_DEPEND. -- Regards, Bryan Drewery
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