On 3/10/2016 8:09 PM, Bryan Drewery wrote: > Author: bdrewery > Date: Fri Mar 11 04:09:56 2016 > New Revision: 296646 > URL: https://svnweb.freebsd.org/changeset/base/296646 > > Log: > FAST_DEPEND: Use .dinclude to enable full .depend logic in bmake. > > The inclusion of .MAKE.DEPENDFILE (.depend) has special logic in make > to ignore stale/missing dependencies. bmake 20160220 added a '.dinclude' > directive that uses the special logic for .depend when including the file. > > This fixes a build error when a file is moved or deleted that exists in a > .depend.OBJ file. This happened in r292782 when sha512c.c "moved" and an > incremental build of lib/libmd would fail with: > make: don't know how to make /usr/src/lib/libcrypt/../libmd/sha512c.c. > Stop > > Now this will just be seen as a stale dependency and cause a rebuild: > make: /usr/obj/usr/src/lib/libmd/.depend.sha512c.o, 13: ignoring stale > .depend for /usr/src/lib/libcrypt/../libmd/sha512c.c > --- sha512c.o --- > ... > This rebuild will only be done once since the .depend.sha512c.o will > be updated on the build with the -MF flags. > > This also removes -MP being passed for the .depend.OBJ generation (which > would create fake targets for system headers) since the logic is no > longer needed to protect from missing files. > > Sponsored by: EMC / Isilon Storage Division > > Modified: > head/Makefile > head/share/mk/bsd.dep.mk > head/sys/conf/kern.post.mk
This was the last piece needed before it could be enabled by default. I plan to enable it by default tomorrow, and remove the option and the mkdep handling entirely soon after (as brought up on arch@). -- Regards, Bryan Drewery
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