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New variable NOOBJLINK

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Create 'obj' directory in current directory instead
	a symbolic link to the 'obj' tree if defined. [not set]

Print a warning if 'obj' tree (/usr/obj) does not exist.

Change default 'obj' directory from ``obj.${MACHINE}'' back to
``obj'', unfortunately many Makefiles are wired with the name ``obj''.

Add some comments for variables and targets.
This commit is contained in:
Wolfram Schneider 1996-04-22 23:31:39 +00:00
parent b34b86510b
commit 44d97e5b42
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=15353
1 changed files with 46 additions and 9 deletions
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55
share/mk/bsd.obj.mk
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@ -1,15 +1,46 @@
# $Id: bsd.obj.mk,v 1.1 1996/03/24 22:49:16 wosch Exp $
# $Id: bsd.obj.mk,v 1.2 1996/04/09 22:43:33 wosch Exp $
#
# The include file <bsd.obj.mk> handles creating 'obj' directory
# and cleaning up object files, log files etc.
#
#
# +++ variables +++
#
# BSDSRCDIR The real path to the system sources, so that 'make obj'
# will work correctly. [/usr/src]
#
# BSDOBJDIR The real path to the system 'obj' tree, so that 'make obj'
# will work correctly. [/usr/obj]
#
# MAKEOBJDIR A file name to the directory where the targets
# are built. [obj]
#
# NOOBJ Do not create 'obj' directory if defined. [not set]
#
# NOOBJLINK Create 'obj' directory in current directory instead
# a symbolic link to the 'obj' tree if defined. [not set]
#
#
# +++ targets +++
#
# clean:
# remove a.out Errs errs mklog ${CLEANFILES}
#
# cleandir:
# remove all of the files removed by the target clean,
# cleandepend (see bsd.dep.mk) and 'obj' directory.
#
# obj:
# create 'obj' directory.
#
# _SUBDIRUSE:
# BSDSRCDIR?=/usr/src
# BSDOBJDIR?=/usr/obj
.if defined(MAKEOBJDIR) && !empty(MAKEOBJDIR)
__objdir = ${MAKEOBJDIR}
.else
.if defined(MACHINE) && !empty(MACHINE)
__objdir = obj.${MACHINE}
__objdir = obj # obj.${MACHINE}
.else
__objdir = obj
.endif
@ -22,17 +53,24 @@ obj:
.else
obj: _SUBDIRUSE cleanobj
@cd ${.CURDIR}; here=${.CURDIR}; \
dest=${BSDOBJDIR}`echo $$here | sed "s,^${BSDSRCDIR},,"`/${__objdir}; \
if test -d ${BSDOBJDIR}; then \
.if defined(NOOBJLINK)
mkdir ${.CURDIR}/${__objdir}
.else
@if test -d ${BSDOBJDIR}; then \
cd ${.CURDIR}; here=${.CURDIR}; \
dest=${BSDOBJDIR}`echo $$here | \
sed "s,^${BSDSRCDIR},,"`/${__objdir}; \
${ECHO} "$$here/${__objdir} -> $$dest"; \
ln -s $$dest ${__objdir}; \
if test ! -d $$dest; then \
mkdir -p $$dest; \
fi; \
else \
${ECHO} "obj tree \"${BSDOBJDIR}\" does not exist."; \
fi
.endif
.endif
.endif
#
# cleanup
@ -48,7 +86,6 @@ cleanfiles:
cleandepend:
.endif
.if !target(clean)
clean: _SUBDIRUSE cleanfiles
.endif