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134 lines
3.3 KiB
Makefile
134 lines
3.3 KiB
Makefile
# $FreeBSD$
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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, etc.
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#
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# +++ variables +++
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#
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# CLEANDIRS Additional directories to remove for the clean target.
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#
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# CLEANFILES Additional files to remove for the clean target.
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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 *environment* variable
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# and works properly only if set as an environment 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 *environment* variable
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# and works properly only if set as an environment 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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# +++ targets +++
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#
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# clean:
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# remove ${CLEANFILES}; remove ${CLEANDIRS} and all contents.
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#
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# cleandir:
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# remove the build directory (and all its contents) created by obj
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#
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# obj:
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# create build directory.
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#
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.if !target(__<bsd.obj.mk>__)
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__<bsd.obj.mk>__:
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.include <bsd.own.mk>
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.if defined(MAKEOBJDIRPREFIX)
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CANONICALOBJDIR:=${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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# The following directories are tried in order for ${.OBJDIR}:
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#
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# 1. ${MAKEOBJDIRPREFIX}/`pwd`
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# 2. ${MAKEOBJDIR}
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# 3. obj.${MACHINE}
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# 4. obj
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# 5. /usr/obj/`pwd`
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# 6. ${.CURDIR}
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#
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# If ${.OBJDIR} is constructed using canonical cases 1 or 5, or
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# case 2 (using MAKEOBJDIR), don't issue a warning. Otherwise,
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# issue a warning differentiating between cases 6 and (3 or 4).
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#
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objwarn:
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.if !defined(NOOBJ) && ${.OBJDIR} != ${CANONICALOBJDIR} && \
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!(defined(MAKEOBJDIRPREFIX) && exists(${CANONICALOBJDIR}/)) && \
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!(defined(MAKEOBJDIR) && exists(${MAKEOBJDIR}/))
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.if ${.OBJDIR} == ${.CURDIR}
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@${ECHO} "Warning: Object directory not changed from original ${.CURDIR}"
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.elif exists(${.CURDIR}/obj.${MACHINE}/) || exists(${.CURDIR}/obj/)
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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 !defined(NOOBJ)
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.if !target(obj)
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obj:
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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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.endif
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.if !target(objlink)
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objlink:
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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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.endif !defined(NOOBJ)
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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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@echo ${.OBJDIR}
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.endif
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cleanobj:
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.if ${CANONICALOBJDIR} != ${.CURDIR} && exists(${CANONICALOBJDIR}/)
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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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.endif
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@if [ -L ${.CURDIR}/obj ]; then rm -f ${.CURDIR}/obj; fi
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.if !target(clean)
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clean:
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.if defined(CLEANFILES) && !empty(CLEANFILES)
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rm -f ${CLEANFILES}
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.endif
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.if defined(CLEANDIRS) && !empty(CLEANDIRS)
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rm -rf ${CLEANDIRS}
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.endif
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.endif
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cleandir: cleanobj
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.include <bsd.subdir.mk>
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.endif !target(__<bsd.obj.mk>__)
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