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e22224a5c2
This will cause an error if the wanted OBJDIR is not writable. Previously it would cause the files to generate to the source tree. This was too obscure and things like buildworld really expect a proper OBJDIR layout. Sponsored by: Dell EMC
49 lines
1.9 KiB
PHP
49 lines
1.9 KiB
PHP
# $FreeBSD$
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#
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# This is included very early from share/mk/src.sys.env.mk, after
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# /etc/src-env.conf but before /etc/make.conf, /etc/src.conf, or OBJDIR
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# handling.
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# - It is not safe to use .OBJDIR/OBJTOP/OBJROOT here.
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# - __ENV_ONLY_OPTIONS have been parsed by now except for opporutunistic
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# MK_AUTO_OBJ.
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#
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.if ${MK_DIRDEPS_BUILD} == "no"
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# For AUTO_OBJ many targets do not need object directories created at top-level
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# for each visited directory. Only when things are being built are they
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# needed. Having AUTO_OBJ disabled in a build target is fine as it should
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# fallback to running 'make obj' as needed. If a target is not in this list
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# then it is ran with MK_AUTO_OBJ=no in environment.
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# 'showconfig' is in the list to avoid forcing MK_AUTO_OBJ=no for it.
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AUTO_OBJ_TGT_WHITELIST+= \
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_* all all-man build* depend everything *toolchain* includes \
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libraries obj objlink showconfig tags xdev xdev-build native-xtools \
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stage* create-packages* real-packages sign-packages package-pkg \
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tinderbox universe* kernel kernels world worlds bmake
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# Only allow AUTO_OBJ for the whitelisted targets. See AUTO_OBJ_TGT_WHITELIST
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# above. MK_AUTO_OBJ not checked here for "yes" as it may not yet be enabled
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# since it is opportunistic.
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.if empty(.MAKEOVERRIDES:MMK_AUTO_OBJ)
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.for _tgt in ${AUTO_OBJ_TGT_WHITELIST}
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.if make(${_tgt})
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_CAN_USE_AUTO_OBJ?= yes
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.endif
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.endfor
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.if !defined(_CAN_USE_AUTO_OBJ)
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_MAKEARGS+= MK_AUTO_OBJ=no
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MK_AUTO_OBJ= no
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# This will prevent src.sys.obj.mk from opportunistically enabling AUTO_OBJ
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# in this make execution and for sub-makes. For all of these targets we
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# just want to read any existing OBJDIR but we don't care if we can create
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# or write to them.
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.MAKEOVERRIDES+= MK_AUTO_OBJ
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.else
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# For top-level we always assume the MAKEOBJDIRPREFIX is writable rather than
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# falling back to .CURDIR.
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__objdir_writable= yes
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.endif
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.endif # empty(.MAKEOVERRIDES:MMK_AUTO_OBJ)
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.endif # ${MK_DIRDEPS_BUILD} == "no"
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