Author: bz
Date: Tue Oct 30 15:46:30 2018
New Revision: 339922
URL: https://svnweb.freebsd.org/changeset/base/339922
Log:
Introduce an EXPERIMENTAL option for both src.conf(5) and the kernel.
In the last decade(s) we have seen both short term or long term projects
committed to the tree which were considered or even marked "experimental".
While out-of-tree development has become easier than it used to be in
CVS times, there still is a need to have the code shipping with HEAD but
not enabled by default.
While people may think about VIMAGE as one of the recent larger, long term
projects, early protocol implementations (before they are standardised)
are others. (Free)BSD historically was one of the operating systems
which would have running code at early stages and help develop and
influence standardisation and the industry.
Give developers an opportunity to be more pro-active for early adoption
or running large scale code changes stumbling over each others but not
the user's feet. I have not added the option to NOTES in order to avoid
breaking supported option builds, which require constant compile testing.
Discussed with: people in the corridor
Added:
head/tools/build/options/WITH_EXPERIMENTAL (contents, props changed)
Modified:
head/share/man/man5/src.conf.5
head/share/mk/src.opts.mk
head/sys/conf/options
Modified: head/share/man/man5/src.conf.5
==============================================================================
--- head/share/man/man5/src.conf.5 Tue Oct 30 15:44:16 2018
(r339921)
+++ head/share/man/man5/src.conf.5 Tue Oct 30 15:46:30 2018
(r339922)
@@ -1,6 +1,6 @@
.\" DO NOT EDIT-- this file is @generated by tools/build/options/makeman.
.\" $FreeBSD$
-.Dd October 25, 2018
+.Dd October 30, 2018
.Dt SRC.CONF 5
.Os
.Sh NAME
@@ -659,6 +659,8 @@ An alternate bootstrap tool chain must be provided.
.It Va WITHOUT_EXAMPLES
Set to avoid installing examples to
.Pa /usr/share/examples/ .
+.It Va WITH_EXPERIMENTAL
+Set to include experimental features in the build.
.It Va WITH_EXTRA_TCP_STACKS
Set to build extra TCP stack modules.
.It Va WITHOUT_FDT
Modified: head/share/mk/src.opts.mk
==============================================================================
--- head/share/mk/src.opts.mk Tue Oct 30 15:44:16 2018 (r339921)
+++ head/share/mk/src.opts.mk Tue Oct 30 15:46:30 2018 (r339922)
@@ -197,6 +197,7 @@ __DEFAULT_NO_OPTIONS = \
BSD_GREP \
CLANG_EXTRAS \
DTRACE_TESTS \
+ EXPERIMENTAL \
GNU_GREP_COMPAT \
HESIOD \
LIBSOFT \
Modified: head/sys/conf/options
==============================================================================
--- head/sys/conf/options Tue Oct 30 15:44:16 2018 (r339921)
+++ head/sys/conf/options Tue Oct 30 15:46:30 2018 (r339922)
@@ -95,6 +95,7 @@ _COMPAT_LINUX32 opt_compat.h # XXX: make sure
opt_comp
COMPILING_LINT opt_global.h
CY_PCI_FASTINTR
DEADLKRES opt_watchdog.h
+EXPERIMENTAL opt_global.h
EXT_RESOURCES opt_global.h
DIRECTIO
FILEMON opt_dontuse.h
Added: head/tools/build/options/WITH_EXPERIMENTAL
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/tools/build/options/WITH_EXPERIMENTAL Tue Oct 30 15:46:30 2018
(r339922)
@@ -0,0 +1,2 @@
+.\" $FreeBSD$
+Set to include experimental features in the build.
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