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Support -DWORLDFAST to skip all build steps up to 'libraries' and 'everything'.

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This allows for building the world against the already-created
host/sysroot environment.  It is not overly useful outside of cases of
large-impact changes such as a testing a new compiler.  It will
allow quickly getting back to an error in the target-phases of the
build where a new compiler is being used.

Sponsored by:	Dell EMC Isilon
This commit is contained in:
Bryan Drewery 2017-05-09 20:21:58 +00:00
parent 6d75a7a852
commit 16892c7713
2 changed files with 19 additions and 1 deletions
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10
Makefile.inc1
View File

@ -302,6 +302,11 @@ CLEANDIR= clean cleandepend
CLEANDIR= cleandir CLEANDIR= cleandir
.endif .endif
.if defined(WORLDFAST)
NO_CLEAN= t
NO_OBJ= t
.endif
.if ${MK_META_MODE} == "yes" .if ${MK_META_MODE} == "yes"
# If filemon is used then we can rely on the build being incremental-safe. # If filemon is used then we can rely on the build being incremental-safe.
# The .meta files will also track the build command and rebuild should # The .meta files will also track the build command and rebuild should
@ -831,6 +836,7 @@ everything: .PHONY
${_+_}cd ${.CURDIR}; _PARALLEL_SUBDIR_OK=1 ${WMAKE} all ${_+_}cd ${.CURDIR}; _PARALLEL_SUBDIR_OK=1 ${WMAKE} all
WMAKE_TGTS= WMAKE_TGTS=
.if !defined(WORLDFAST)
WMAKE_TGTS+= _worldtmp _legacy WMAKE_TGTS+= _worldtmp _legacy
.if empty(SUBDIR_OVERRIDE) .if empty(SUBDIR_OVERRIDE)
WMAKE_TGTS+= _bootstrap-tools WMAKE_TGTS+= _bootstrap-tools
@ -841,7 +847,9 @@ WMAKE_TGTS+= _obj
.endif .endif
WMAKE_TGTS+= _build-tools _cross-tools WMAKE_TGTS+= _build-tools _cross-tools
WMAKE_TGTS+= _compiler-metadata WMAKE_TGTS+= _compiler-metadata
WMAKE_TGTS+= _includes _libraries WMAKE_TGTS+= _includes
.endif
WMAKE_TGTS+= _libraries
WMAKE_TGTS+= everything WMAKE_TGTS+= everything
.if defined(LIBCOMPAT) && empty(SUBDIR_OVERRIDE) .if defined(LIBCOMPAT) && empty(SUBDIR_OVERRIDE)
WMAKE_TGTS+= build${libcompat} WMAKE_TGTS+= build${libcompat}

10
share/man/man7/build.7
View File

@ -617,6 +617,16 @@ target.
If set, the update process does not update the www tree as part of the If set, the update process does not update the www tree as part of the
.Dq make update .Dq make update
target. target.
.It Va WORLDFAST
If set, the build target
.Cm buildworld
defaults to setting
.Va NO_CLEAN ,
.Va NO_OBJ ,
and will skip most bootstrap phases.
It will only bootstrap libraries and build all of userland.
This option should be used only when it is known that none of the bootstrap
needs changed and that no new directories have been connected to the build.
.El .El
.Pp .Pp
Builds under directory Builds under directory