FAST_DEPEND is now default

[Bryan Drewery]

On 3/11/2016 9:10 AM, Bryan Drewery wrote:
> WITH_FAST_DEPEND is now enabled by default for in-tree and out-of-tree
> builds.  It no longer runs mkdep(1) during 'make depend', and the
> 'make depend' stage can safely be skipped now as it is auto ran
> when building 'make all' and will generate all SRCS and DPSRCS before
> building anything else.  Dependencies are gathered at compile time with
> -MF flags kept in separate .depend files per object file.  Users should
> run 'make cleandepend' once if using -DNO_CLEAN to clean out older
> stale .depend files.
> 
> The option and mkdep(1) support will be removed in a few weeks.
> 

Sometimes I go too fast.  I should mention that this gives 15-35% build
time improvements.  More information can be see in the initial commit
https://svnweb.freebsd.org/base?view=revision&revision=290433

-- 
Regards,
Bryan Drewery

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