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Set the expected __objdir for auto.obj.mk to try.

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This avoids some future discrepency that might cause auto.obj.mk to use the
wrong OBJDIR.

Sponsored by:	Dell EMC Isilon
This commit is contained in:
Bryan Drewery 2017-11-05 00:12:09 +00:00
parent 00428a515c
commit 3407406588
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=325417
1 changed files with 18 additions and 14 deletions
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32
share/mk/src.sys.obj.mk
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@ -94,9 +94,17 @@ OBJROOT:= ${OBJTOP}/
.endif
.endif
# Try to enable MK_AUTO_OBJ by default if we can write to the OBJROOT. Only
# do this if AUTO_OBJ is not disabled by the user, not cleaning, and this
# is the first make ran.
# __objdir is the expected .OBJDIR we want to use and that auto.obj.mk will
# try to create.
.if !empty(MAKEOBJDIRPREFIX)
__objdir:= ${MAKEOBJDIRPREFIX}${.CURDIR}
.elif !empty(MAKEOBJDIR)
__objdir:= ${MAKEOBJDIR}
.endif
# Try to enable MK_AUTO_OBJ by default if we can write to the __objdir. Only
# do this if AUTO_OBJ is not disabled by the user, not cleaning, and this is
# the first make ran.
.if 0 && ${.MAKE.LEVEL} == 0 && \
${MK_AUTO_OBJ} == "no" && empty(.MAKEOVERRIDES:MMK_AUTO_OBJ) && \
!defined(WITHOUT_AUTO_OBJ) && !make(showconfig) && !make(print-dir) && \
@ -138,15 +146,13 @@ CheckAutoObj() { \
echo no; \
fi; \
}
.if !empty(MAKEOBJDIRPREFIX)
WANTED_OBJDIR= ${MAKEOBJDIRPREFIX}${.CURDIR}
.else
WANTED_OBJDIR= ${MAKEOBJDIR}
.if !empty(__objdir)
__objdir_writable!= \
${CheckAutoObj}; CheckAutoObj "${__objdir}" || echo no
.endif
OBJDIR_WRITABLE!= \
${CheckAutoObj}; CheckAutoObj "${WANTED_OBJDIR}" || echo no
__objdir_writable?= no
# Export the decision to sub-makes.
MK_AUTO_OBJ:= ${OBJDIR_WRITABLE}
MK_AUTO_OBJ:= ${__objdir_writable}
.export MK_AUTO_OBJ
.elif make(showconfig)
# Need to export for showconfig internally running make -dg1. It is enabled
@ -157,10 +163,8 @@ MK_AUTO_OBJ:= ${OBJDIR_WRITABLE}
# Assign this directory as .OBJDIR if possible.
#
# The expected OBJDIR already exists, set it as .OBJDIR.
.if !empty(MAKEOBJDIRPREFIX) && exists(${MAKEOBJDIRPREFIX}${.CURDIR})
.OBJDIR: ${MAKEOBJDIRPREFIX}${.CURDIR}
.elif exists(${MAKEOBJDIR})
.OBJDIR: ${MAKEOBJDIR}
.if !empty(__objdir) && exists(${__objdir})
.OBJDIR: ${__objdir}
# Special case to work around bmake bug. If the top-level .OBJDIR does not yet
# exist and MAKEOBJDIR is passed into environment and yield a blank value,
# bmake will incorrectly set .OBJDIR=${SRCTOP}/ rather than the expected