3cbdda60ff
Approved by: marcel (mentor)
217 lines
5.7 KiB
Makefile
217 lines
5.7 KiB
Makefile
#
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# RCSid:
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# $Id: autodep.mk,v 1.32 2010/04/19 17:37:56 sjg Exp $
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#
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# @(#) Copyright (c) 1999-2010, Simon J. Gerraty
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#
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# This file is provided in the hope that it will
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# be of use. There is absolutely NO WARRANTY.
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# Permission to copy, redistribute or otherwise
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# use this file is hereby granted provided that
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# the above copyright notice and this notice are
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# left intact.
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#
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# Please send copies of changes and bug-fixes to:
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# sjg@crufty.net
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# This module provides automagic dependency generation along the
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# lines suggested in the GNU make.info
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# The depend target is mainly for backwards compatability,
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# dependencies are normally updated as part of compilation.
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# set MKDEP=autodep and dep.mk will include us
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.if !target(__${.PARSEFILE}__)
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__${.PARSEFILE}__:
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# different versions of bsd.dep.mk use these
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MKDEP=autodep
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MKDEPCMD=autodep
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DEPENDFILE?= .depend
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.for d in ${DEPENDFILE:N.depend}
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# bmake only groks .depend
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.-include "$d"
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.endfor
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# it does nothing if SRCS is not defined or is empty
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.if defined(SRCS) && !empty(SRCS)
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DEPSRCS?=${SRCS}
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__depsrcs=${DEPSRCS:M*.c}
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__depsrcs+=${DEPSRCS:M*.y}
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__depsrcs+=${DEPSRCS:M*.l}
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__depsrcs+=${DEPSRCS:M*.s}
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__depsrcs+=${DEPSRCS:M*.S}
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__depsrcs+=${DEPSRCS:M*.cc}
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__depsrcs+=${DEPSRCS:M*.cpp}
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__depsrcs+=${DEPSRCS:M*.C}
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__depsrcs+=${DEPSRCS:M*.cxx}
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__depsrcs+=${DEPSRCS:M*.pc}
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.for s in ${__depsrcs}
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${s:T:R}.d: $s
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.endfor
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__depsrcs:=${__depsrcs:T:R:S/$/.d/g}
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# we also need to handle makefiles where the .d's from __depsrcs
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# don't match those from OBJS
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# we avoid using := here, since the modifier applied to OBJS
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# can cause trouble if there are any undefined vars in OBJS.
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__dependsrcsx?= ${__depsrcs} ${OBJS:S/.o/.d/}
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__dependsrcs= ${__dependsrcsx:O:u}
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# clean up any .c files we may have generated
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#__gensrcs:= ${DEPSRCS:M*.y} ${DEPSRCS:M*.l}
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#CLEANFILES+= ${__gensrcs:T:R:S/$/.c/g}
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# set this to -MMD to ignore /usr/include
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# actually it ignores <> so may not be a great idea
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CFLAGS_MD?=-MD
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# -MF etc not available on all gcc versions.
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# we "fix" the .o later
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CFLAGS_MF?=-MF ${.TARGET:T:R}.d -MT ${.TARGET:T:R}.o
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CFLAGS+= ${CFLAGS_MD} ${CFLAGS_MF}
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RM?= rm
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# watch out for people who don't use CPPFLAGS
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CPPFLAGS_MD=${CFLAGS:M-[IUD]*} ${CPPFLAGS}
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CXXFLAGS_MD=${CXXFLAGS:M-[IUD]*} ${CPPFLAGS}
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# just in case these need to be different
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CC_MD?=${CC}
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CXX_MD?=${CXX}
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# so we can do an explicit make depend, but not otherwise
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.if make(depend)
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.SUFFIXES: .d
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.if empty(CFLAGS_MD)
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.y.d:
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@echo updating dependencies for $<
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@${YACC} ${YFLAGS} $<
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@${SHELL} -ec "${CC_MD} -M ${CPPFLAGS_MD} y.tab.c | sed '/:/s/^/$@ /' > $@" || { ${RM} -f y.tab.c $@; false; }
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@${RM} -f y.tab.c
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.l.d:
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@echo updating dependencies for $<
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${LEX} ${LFLAGS} $<
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@${SHELL} -ec "${CC_MD} -M ${CPPFLAGS_MD} lex.yy.c | sed '/:/s/^/$@ /' > $@" || { ${RM} -f lex.yy.c $@; false; }
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@${RM} -f lex.yy.c
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.c.d:
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@echo updating dependencies for $<
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@${SHELL} -ec "${CC_MD} -M ${CPPFLAGS_MD} $< | sed '/:/s/^/$@ /' > $@" || { ${RM} -f $@; false; }
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.s.d .S.d:
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@echo updating dependencies for $<
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@${SHELL} -ec "${CC_MD} -M ${CPPFLAGS_MD} ${AINC} $< | sed '/:/s/^/$@ /' > $@" || { ${RM} -f $@; false; }
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.cc.d .cpp.d .C.d .cxx.d:
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@echo updating dependencies for $<
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@${SHELL} -ec "${CXX_MD} -M ${CXXFLAGS_MD} $< | sed '/:/s/^/$@ /' > $@" || { ${RM} -f $@; false; }
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.else
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.y.d:
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${YACC} ${YFLAGS} $<
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${CC_MD} ${CFLAGS_MD:S/D//} ${CPPFLAGS_MD} y.tab.c > $@ || { ${RM} -f y.tab.c $@; false; }
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${RM} -f y.tab.c
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.l.d:
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${LEX} ${LFLAGS} $<
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${CC_MD} ${CFLAGS_MD:S/D//} ${CPPFLAGS_MD} lex.yy.c > $@ || { ${RM} -f lex.yy.c $@; false; }
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${RM} -f lex.yy.c
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.c.d:
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${CC_MD} ${CFLAGS_MD:S/D//} ${CPPFLAGS_MD} $< > $@ || { ${RM} -f $@; false; }
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.s.d .S.d:
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${CC_MD} ${CFLAGS_MD:S/D//} ${CPPFLAGS_MD} ${AINC} $< > $@ || { ${RM} -f $@; false; }
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.cc.d .cpp.d .C.d .cxx.d:
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${CXX_MD} ${CFLAGS_MD:S/D//} ${CXXFLAGS_MD} $< > $@ || { ${RM} -f $@; false; }
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.endif
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.if !target(depend)
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depend: beforedepend ${DEPENDFILE} afterdepend _SUBDIRUSE
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${DEPENDFILE}: ${DEPSRCS} ${__dependsrcs}
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.NOPATH: ${__dependsrcs}
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.OPTIONAL: ${__dependsrcs}
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.endif
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.endif # make(depend)
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.if empty(CFLAGS_MD)
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# make sure the .d's are generated/updated
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${PROG} ${_LIBS}: ${DEPENDFILE}
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.endif
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.ORDER: beforedepend ${DEPENDFILE} afterdepend
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.if ${.OBJDIR} != ${.CURDIR}
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__depfiles= *.d
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.else
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__depfiles= ${__dependsrcs}
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.endif
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DEPCLEANFILES= ${DEPENDFILE} ${__depfiles} y.tab.d *.tmp.d
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cleandir: cleanautodepend
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cleanautodepend:
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${RM} -f ${DEPCLEANFILES}
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CLEANFILES+= ${DEPCLEANFILES}
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.if defined(__dependsrcs) && !empty(__dependsrcs)
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.if make(depend) || !(make(clean*) || make(destroy*) || make(obj) || make(*install) || make(install-*))
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# this ensures we do the right thing if only building a shared or
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# profiled lib
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OBJ_EXTENSIONS?=.o .po .so .So
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MDLIB_SED= -e '/:/s,^\([^\.:]*\)\.[psS]*o,${OBJ_EXTENSIONS:S,^,\1,},'
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.ifdef NOMD_SED
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.ifdef LIB
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MD_SED=sed ${MDLIB_SED}
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.else
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MD_SED=cat
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.endif
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.else
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# arrange to put some variable names into ${DEPENDFILE}
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.ifdef LIB
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MD_SED=sed ${MDLIB_SED}
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.else
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MD_SED=sed
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.endif
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SUBST_DEPVARS+= SB TOP BACKING SRC SRCDIR BASE BASEDIR
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.for v in ${SUBST_DEPVARS}
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.if defined(${v}) && !empty(${v})
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MD_SED+= -e 's,${$v},$${$v},'
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.endif
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.endfor
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.endif
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.if (${MD_SED} == "sed")
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MD_SED=cat
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.endif
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# this will be done whenever make finishes successfully
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.if ${MAKE_VERSION:U0:[1]:C/.*-//} < 20050530
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.END:
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.else
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.END: ${DEPENDFILE}
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# we do not want to trigger building .d's just use them if they exist
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${DEPENDFILE}: ${__dependsrcs:@d@${exists($d):?$d:}@}
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.endif
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-@${MD_SED} ${__depfiles} > ${DEPENDFILE}.new 2> /dev/null && \
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test -s ${DEPENDFILE}.new && mv ${DEPENDFILE}.new ${DEPENDFILE}; \
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${RM} -f ${DEPENDFILE}.new
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.endif
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.endif
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.else
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depend: beforedepend afterdepend _SUBDIRUSE
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.endif
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.if !target(beforedepend)
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beforedepend:
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.endif
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.if !target(afterdepend)
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afterdepend:
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.endif
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.endif
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