1# 2# This is included very early from share/mk/src.sys.env.mk, after 3# /etc/src-env.conf but before /etc/make.conf, /etc/src.conf, or OBJDIR 4# handling. 5# - It is not safe to use .OBJDIR/OBJTOP/OBJROOT here. 6# - __ENV_ONLY_OPTIONS have been parsed by now except for opporutunistic 7# MK_AUTO_OBJ. 8# 9 10.if ${MK_DIRDEPS_BUILD} == "no" 11# For AUTO_OBJ many targets do not need object directories created at top-level 12# for each visited directory. Only when things are being built are they 13# needed. Having AUTO_OBJ disabled in a build target is fine as it should 14# fallback to running 'make obj' as needed. If a target is not in this list 15# then it is ran with MK_AUTO_OBJ=no in environment. 16# 'showconfig' is in the list to avoid forcing MK_AUTO_OBJ=no for it. 17AUTO_OBJ_TGT_WHITELIST+= \ 18 _* all all-man build* depend everything *toolchain* includes \ 19 libraries obj objlink showconfig tags xdev xdev-build native-xtools \ 20 stage* create-packages* real-packages sign-packages package-pkg \ 21 tinderbox universe* kernel kernels world worlds bmake 22 23# Only allow AUTO_OBJ for the whitelisted targets. See AUTO_OBJ_TGT_WHITELIST 24# above. MK_AUTO_OBJ not checked here for "yes" as it may not yet be enabled 25# since it is opportunistic. 26.if empty(.MAKEOVERRIDES:MMK_AUTO_OBJ) 27.for _tgt in ${AUTO_OBJ_TGT_WHITELIST} 28.if make(${_tgt}) 29_CAN_USE_AUTO_OBJ?= yes 30.endif 31.endfor 32.if !defined(_CAN_USE_AUTO_OBJ) 33_MAKEARGS+= MK_AUTO_OBJ=no 34MK_AUTO_OBJ= no 35# This will prevent src.sys.obj.mk from opportunistically enabling AUTO_OBJ 36# in this make execution and for sub-makes. For all of these targets we 37# just want to read any existing OBJDIR but we don't care if we can create 38# or write to them. 39.MAKEOVERRIDES+= MK_AUTO_OBJ 40.else 41# For top-level we always assume the MAKEOBJDIRPREFIX is writable rather than 42# falling back to .CURDIR. 43__objdir_writable= yes 44.endif 45.endif # empty(.MAKEOVERRIDES:MMK_AUTO_OBJ) 46 47.endif # ${MK_DIRDEPS_BUILD} == "no" 48