150 lines
3.5 KiB
Makefile
150 lines
3.5 KiB
Makefile
# $Id$
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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 [ -h ${.CURDIR}/obj ]; then rm -f ${.CURDIR}/obj; fi
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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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