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Add support for specifying unsupported / broken options that override

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any defaults or user specified actions on the command line. This would
be useful for specifying features that are always broken or that
cannot make sense on a specific architecture, like ACPI on pc98 or
EISA on !i386 (!x86 usage of EISA is broken and there's no supported
hardware that could have it in any event). Any items in
__ALWAYS_NO_OPTIONS are forced to "no" regardless of other settings.

Differential Revision: https://reviews.freebsd.org/D2011
This commit is contained in:
Warner Losh 2015-03-27 02:35:11 +00:00
parent 2b092a1664
commit 3fe1e58de1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=280727
2 changed files with 19 additions and 0 deletions
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9
share/mk/bsd.mkopt.mk
View File

@ -63,6 +63,15 @@ MK_${var}:= no
.endfor
.undef __DEFAULT_NO_OPTIONS
#
# MK_* options which are always no, usually because they are
# unsupported/badly broken on this architecture.
#
.for var in ${__ALWAYS_NO_OPTIONS}
MK_${var}:= no
.endfor
.undef __ALWAYS_NO_OPTIONS
#
# MK_* options which are always no, usually because they are
# unsupported/badly broken on this architecture.

10
sys/conf/kern.opts.mk
View File

@ -119,6 +119,16 @@ MK_${var}:= no
.undef BROKEN_OPTIONS
#end of bsd.mkopt.mk expanded inline.
#
# MK_* options which are always no, usually because they are
# unsupported/badly broken on this architecture.
#
.for var in ${__ALWAYS_NO_OPTIONS}
MK_${var}:= no
.endfor
.undef __ALWAYS_NO_OPTIONS
#end of bsd.mkopt.mk expanded inline.
#
# MK_*_SUPPORT options which default to "yes" unless their corresponding
# MK_* variable is set to "no".