FAST_DEPEND: Only pass -MF if we care about the object being compiled.
This will save time generating dependency files that we didn't expect due to cases where SRCS!=OBJS or for building custom targetted objects in Makefiles that do not end up in the DEPENDOBJS list. This uses a bmake trick to modify CFLAGS based on ${.TARGET}. A .PARSEDIR check is done for the sake of MFC safety. MFC after: 2 weeks Sponsored by: EMC / Isilon Storage Division
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=291945
@ -158,7 +158,14 @@ DEPEND_MP?= -MP
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DEPEND_FILTER= C,/,_,g
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DEPEND_CFLAGS+= -MD ${DEPEND_MP} -MF${DEPENDFILE}.${.TARGET:${DEPEND_FILTER}}
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DEPEND_CFLAGS+= -MT${.TARGET}
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.if defined(.PARSEDIR)
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# Only add in DEPEND_CFLAGS for CFLAGS on files we expect from DEPENDOBJS
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# as those are the only ones we will include.
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DEPEND_CFLAGS_CONDITION= !empty(DEPENDOBJS:M${.TARGET:${DEPEND_FILTER}})
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CFLAGS+= ${${DEPEND_CFLAGS_CONDITION}:?${DEPEND_CFLAGS}:}
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.else
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CFLAGS+= ${DEPEND_CFLAGS}
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.endif
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DEPENDSRCS= ${SRCS:M*.[cSC]} ${SRCS:M*.cxx} ${SRCS:M*.cpp} ${SRCS:M*.cc}
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.if !empty(DEPENDSRCS)
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DEPENDOBJS+= ${DEPENDSRCS:R:S,$,.o,}
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@ -182,6 +182,7 @@ lib${LIB_PRIVATE}${LIB}.a: ${OBJS} ${STATICOBJS}
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.if ${MK_PROFILE} != "no" && defined(LIB) && !empty(LIB)
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_LIBS+= lib${LIB_PRIVATE}${LIB}_p.a
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POBJS+= ${OBJS:.o=.po} ${STATICOBJS:.o=.po}
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DEPENDOBJS+= ${POBJS}
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CLEANFILES+= ${POBJS}
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lib${LIB_PRIVATE}${LIB}_p.a: ${POBJS}
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@ -194,6 +195,7 @@ lib${LIB_PRIVATE}${LIB}_p.a: ${POBJS}
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.if defined(SHLIB_NAME) || \
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defined(INSTALL_PIC_ARCHIVE) && defined(LIB) && !empty(LIB)
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SOBJS+= ${OBJS:.o=.So}
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DEPENDOBJS+= ${SOBJS}
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CLEANFILES+= ${SOBJS}
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.endif
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