06d6e4fcfe
Intel C/C++ compiler (lang/icc) to build the kernel. The icc CPUTYPE CFLAGS use icc v7 syntax, icc v8 moans about them, but doesn't abort. They also produce CPU specific code (new instructions of the CPU, not only CPU specific scheduling), so if you get coredumps with signal 4 (SIGILL, illegal instruction) you've used the wrong CPUTYPE. Incarnations of this patch survive gcc compiles and my make universe. I use it on my desktop. To use it update share/mk, add /usr/local/intel/compiler70/ia32/bin (icc v7, works) or /usr/local/intel_cc_80/bin (icc v8, doesn't work) to your PATH, make sure you have a new kernel compile directory (e.g. MYKERNEL_icc) and run CFLAGS="-O2 -ip" CC=icc make depend CFLAGS="-O2 -ip" CC=icc make in it. Don't compile with -ipo, the build infrastructure uses ld directly to link the kernel and the modules, but -ipo needs the link step to be performed with Intel's linker. Problems with icc v8: - panic: npx0 cannot be emulated on an SMP system - UP: first start of /bin/sh results in a FP exception Parts of this commit contains suggestions or submissions from Marius Strobl <marius@alchemy.franken.de>. Reviewed by: silence on -arch Submitted by: netchild
199 lines
4.6 KiB
Makefile
199 lines
4.6 KiB
Makefile
# $FreeBSD$
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#
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# The include file <bsd.dep.mk> handles Makefile dependencies.
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#
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#
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# +++ variables +++
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#
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# CTAGS A tags file generation program [gtags]
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#
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# CTAGSFLAGS Options for ctags(1) [not set]
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#
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# DEPENDFILE dependencies file [.depend]
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#
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# GTAGSFLAGS Options for gtags(1) [-o]
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#
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# HTAGSFLAGS Options for htags(1) [not set]
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#
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# MKDEP Options for ${MKDEPCMD} [not set]
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#
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# MKDEPCMD Makefile dependency list program [mkdep]
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#
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# SRCS List of source files (c, c++, assembler)
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#
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# DPSRCS List of source files which are needed for generating
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# dependencies, ${SRCS} are always part of it.
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#
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# +++ targets +++
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#
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# cleandepend:
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# Remove depend and tags file
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#
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# depend:
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# Make the dependencies for the source files, and store
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# them in the file ${DEPENDFILE}.
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#
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# tags:
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# In "ctags" mode, create a tags file for the source files.
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# In "gtags" mode, create a (GLOBAL) gtags file for the
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# source files. If HTML is defined, htags(1) is also run
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# after gtags(1).
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.if !target(__<bsd.init.mk>__)
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.error bsd.dep.mk cannot be included directly.
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.endif
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CTAGS?= gtags
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CTAGSFLAGS?=
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GTAGSFLAGS?= -o
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HTAGSFLAGS?=
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.if ${CC} != "cc"
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MKDEPCMD?= CC='${CC}' mkdep
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.else
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MKDEPCMD?= mkdep
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.endif
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DEPENDFILE?= .depend
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# Keep `tags' here, before SRCS are mangled below for `depend'.
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.if !target(tags) && defined(SRCS) && !defined(NOTAGS)
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tags: ${SRCS}
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.if ${CTAGS:T} == "ctags"
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@${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \
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${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET}
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.elif ${CTAGS:T} == "gtags"
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@cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR}
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.if defined(HTML)
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@cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
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.endif
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.endif
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.endif
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.if defined(SRCS)
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CLEANFILES?=
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.if !exists(${.OBJDIR}/${DEPENDFILE})
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.for _S in ${SRCS:N*.[hly]}
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${_S:R}.o: ${_S}
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.endfor
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.endif
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.for _LSRC in ${SRCS:M*.l:N*/*}
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.for _LC in ${_LSRC:R}.c
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${_LC}: ${_LSRC}
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${LEX} -t ${LFLAGS} ${.ALLSRC} > ${.TARGET}
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.if !exists(${.OBJDIR}/${DEPENDFILE})
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${_LC:R}.o: ${_LC}
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.endif
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SRCS:= ${SRCS:S/${_LSRC}/${_LC}/}
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CLEANFILES+= ${_LC}
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.endfor
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.endfor
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.for _YSRC in ${SRCS:M*.y:N*/*}
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.for _YC in ${_YSRC:R}.c
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SRCS:= ${SRCS:S/${_YSRC}/${_YC}/}
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CLEANFILES+= ${_YC}
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.if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h)
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.ORDER: ${_YC} y.tab.h
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${_YC} y.tab.h: ${_YSRC}
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${YACC} ${YFLAGS} ${.ALLSRC}
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cp y.tab.c ${_YC}
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CLEANFILES+= y.tab.c y.tab.h
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.elif !empty(YFLAGS:M-d)
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.for _YH in ${_YC:R}.h
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.ORDER: ${_YC} ${_YH}
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${_YC} ${_YH}: ${_YSRC}
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${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
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SRCS+= ${_YH}
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CLEANFILES+= ${_YH}
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.endfor
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.else
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${_YC}: ${_YSRC}
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${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
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.endif
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.if !exists(${.OBJDIR}/${DEPENDFILE})
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${_YC:R}.o: ${_YC}
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.endif
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.endfor
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.endfor
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.endif
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.if !target(depend)
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.if defined(SRCS)
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depend: beforedepend ${DEPENDFILE} afterdepend
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# Different types of sources are compiled with slightly different flags.
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# Split up the sources, and filter out headers and non-applicable flags.
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.if ${CC} == "icc"
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MKDEP_CFLAGS= ${CFLAGS:M-X*} ${CFLAGS:M-[BID]*}
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MKDEP_CXXFLAGS= ${CXXFLAGS:M-X*} ${CXXFLAGS:M-[BID]*}
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MKDEP_OBJCFLAGS=${OBJCFLAGS:M-X*} ${OBJCFLAGS:M-[BID]*}
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.else
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MKDEP_CFLAGS= ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*}
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MKDEP_CXXFLAGS= ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*}
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MKDEP_OBJCFLAGS=${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} ${OBJCFLAGS:M-Wno-import*}
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.endif
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DPSRCS+= ${SRCS}
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${DEPENDFILE}: ${DPSRCS}
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rm -f ${DEPENDFILE}
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.if !empty(DPSRCS:M*.[cS])
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${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
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${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]}
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.endif
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.if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \
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!empty(DPSRCS:M*.cxx)
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${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
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${MKDEP_CXXFLAGS} \
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${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
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.endif
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.if !empty(DPSRCS:M*.m)
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${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
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${MKDEP_OBJCFLAGS} ${.ALLSRC:M*.m}
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.endif
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.if target(_EXTRADEPEND)
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_EXTRADEPEND: .USE
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${DEPENDFILE}: _EXTRADEPEND
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.endif
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.ORDER: ${DEPENDFILE} afterdepend
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.else
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depend: beforedepend afterdepend
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.endif
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.if !target(beforedepend)
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beforedepend:
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.else
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.ORDER: beforedepend ${DEPENDFILE}
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.ORDER: beforedepend afterdepend
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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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.if !target(cleandepend)
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cleandepend:
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.if defined(SRCS)
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.if ${CTAGS:T} == "ctags"
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rm -f ${DEPENDFILE} tags
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.elif ${CTAGS:T} == "gtags"
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rm -f ${DEPENDFILE} GPATH GRTAGS GSYMS GTAGS
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.if defined(HTML)
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rm -rf HTML
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.endif
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.endif
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.endif
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.endif
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.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD))
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_LDADD_FROM_DPADD= ${DPADD:C;^/usr/lib/lib(.*)\.a$;-l\1;}
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_LDADD_CANONICALIZED= ${LDADD:S/$//}
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checkdpadd:
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.if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED}
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@echo ${.CURDIR}
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@echo "DPADD -> ${_LDADD_FROM_DPADD}"
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@echo "LDADD -> ${_LDADD_CANONICALIZED}"
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.endif
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.endif
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