diff options
Diffstat (limited to 'tools/build/options/WITH_DIRDEPS_BUILD')
| -rw-r--r-- | tools/build/options/WITH_DIRDEPS_BUILD | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/tools/build/options/WITH_DIRDEPS_BUILD b/tools/build/options/WITH_DIRDEPS_BUILD index 981c1a93db11..334c483c9ca5 100644 --- a/tools/build/options/WITH_DIRDEPS_BUILD +++ b/tools/build/options/WITH_DIRDEPS_BUILD @@ -1,9 +1,9 @@ .\" $FreeBSD$ -Enable building in meta mode. -This is an experimental build feature. +This is an experimental build system. For details see http://www.crufty.net/sjg/docs/freebsd-meta-mode.htm. -.Pp +Build commands can be seen from the top-level with: +.Dl make show-valid-targets The build is driven by dirdeps.mk using .Va DIRDEPS stored in @@ -23,17 +23,13 @@ and child directories. .Va NO_DIRDEPS_BELOW will skip building any dirdeps and only build the current directory. .Pp -As each target is made -.Xr make 1 -produces a meta file which is used to capture (and compare) -the command line, -as well as any command output. -If -.Xr filemon 4 -is available the meta file will also capture a record of files -used to produce the target by tracking syscalls. +This also utilizes the +.Va WITH_META_MODE +logic for incremental builds. .Pp The build will hide commands ran unless .Va NO_SILENT is defined. .Pp +Note that there is currently no mass install feature for this. +.Pp |