2986df98eb
forced in any of the standard ways (MAKEOBJDIR was lost in the previous commit). Simplified the conditionals for this. Restored comment about MAKEOBJDIR from rev.1.4. Improved English in comments.
152 lines
3.6 KiB
Makefile
152 lines
3.6 KiB
Makefile
# $Id: bsd.obj.mk,v 1.15 1996/09/28 19:39:18 nate Exp $
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#
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# The include file <bsd.obj.mk> handles creating the 'obj' directory
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# and cleaning up object files, log files etc.
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#
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#
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# +++ variables +++
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#
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# CLEANFILES Additional files to remove for the clean and cleandir targets.
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#
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# MAKEOBJDIR A pathname for the directory where the targets
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# are built. Note: MAKEOBJDIR is an *enviroment* variable
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# and works properly only if set as an enviroment variable,
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# not as a global or command line variable!
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#
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# E.g. use `env MAKEOBJDIR=temp-obj make'
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#
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# MAKEOBJDIRPREFIX Specifies somewhere other than /usr/obj to root the object
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# tree. Note: MAKEOBJDIRPREFIX is an *enviroment* variable
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# and works properly only if set as an enviroment variable,
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# not as a global or command line variable!
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#
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# E.g. use `env MAKEOBJDIRPREFIX=/somewhere/obj make'
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#
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# NOOBJ Do not create object directories. This should not be set
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# if anything is built.
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#
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# OBJLINK Create a symbolic link from ${.CURDIR}/obj to
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# ${CANONICALOBJDIR}. Note: this BREAKS the read-only source
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# tree rule!
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#
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# +++ targets +++
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#
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# clean:
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# remove a.out Errs errs mklog ${CLEANFILES}
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#
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# cleandir:
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# remove the build directory (and all its contents) created by obj
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#
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# obj:
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# create build directory.
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#
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.if defined(MAKEOBJDIRPREFIX)
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CANONICALOBJDIR:=${MAKEOBJDIRPREFIX}${.CURDIR}
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.else
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CANONICALOBJDIR:=/usr/obj${.CURDIR}
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.endif
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#
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# Warn of unorthodox object directory
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#
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objwarn:
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.if !defined(NOOBJ) && ${.OBJDIR} != ${CANONICALOBJDIR}
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.if ${.OBJDIR} == ${.CURDIR}
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@${ECHO} "Warning: Object directory not changed from original ${.CURDIR}"
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.elif !defined(MAKEOBJDIR) && !defined(MAKEOBJDIRPREFIX) && !defined(OBJLINK)
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@${ECHO} "Warning: Using ${.OBJDIR} as object directory instead of\
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canonical ${CANONICALOBJDIR}"
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.endif
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.endif
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.if !target(obj)
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.if defined(NOOBJ)
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obj:
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.else
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.if !defined(OBJLINK)
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obj: _SUBDIR
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@if ! test -d ${CANONICALOBJDIR}; then \
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mkdir -p ${CANONICALOBJDIR}; \
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if ! test -d ${CANONICALOBJDIR}; then \
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${ECHO} "Unable to create ${CANONICALOBJDIR}."; \
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exit 1; \
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fi; \
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${ECHO} "${CANONICALOBJDIR} created for ${.CURDIR}"; \
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fi
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.else
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obj: _SUBDIR
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@if ! test -d ${CANONICALOBJDIR}; then \
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mkdir -p ${CANONICALOBJDIR}; \
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if ! test -d ${CANONICALOBJDIR}; then \
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${ECHO} "Unable to create ${CANONICALOBJDIR}."; \
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exit 1; \
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fi; \
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rm -f ${.CURDIR}/obj; \
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ln -s ${CANONICALOBJDIR} ${.CURDIR}/obj; \
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${ECHO} "${.CURDIR} -> ${CANONICALOBJDIR}"; \
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fi
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.endif
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.endif
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.endif
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.if !target(objlink)
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objlink: _SUBDIR
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@if test -d ${CANONICALOBJDIR}; then \
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rm -f ${.CURDIR}/obj; \
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ln -s ${CANONICALOBJDIR} ${.CURDIR}/obj; \
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else \
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echo "No ${CANONICALOBJDIR} to link to - do a make obj."; \
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fi
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.endif
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#
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# where would that obj directory be?
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#
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.if !target(whereobj)
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whereobj:
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@cd ${.CURDIR}; ${MAKE} -V .OBJDIR
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.endif
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#
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# cleanup
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#
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cleanobj:
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@if [ -d ${CANONICALOBJDIR} ]; then \
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rm -rf ${CANONICALOBJDIR}; \
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else \
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cd ${.CURDIR} && ${MAKE} clean cleandepend; \
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fi
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.if defined(OBJLINK)
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@if [ -h ${.CURDIR}/obj ]; then rm -f ${.CURDIR}/obj; fi
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.endif
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.if !target(cleanfiles)
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cleanfiles:
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rm -f a.out Errs errs mklog ${CLEANFILES}
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.endif
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# see bsd.dep.mk
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.if !target(cleandepend)
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cleandepend:
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@rm -f .depend
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.endif
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.if !target(clean)
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clean: cleanfiles _SUBDIR
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.endif
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.if !target(checkdpadd)
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checkdpadd: _SUBDIR
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.if (defined(DPADD) || defined(LDADD))
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checkdpadd:
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@if [ "${DPADD:S;^/usr/lib/lib;-l;S;.a$;;}" != "${LDADD}" ] ; then \
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echo ${.CURDIR} ; \
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echo "DPADD -> " ${DPADD:S;^/usr/lib/lib;-l;S;.a$;;} ; \
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echo "LDADD = " ${LDADD} ; \
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fi
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.endif
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.endif
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cleandir: cleanobj _SUBDIR
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