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Don't rebuild the header files all the time if they did not change

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This commit is contained in:
christos 2013-11-30 14:52:40 +00:00
parent b3ef5c8ff0
commit 0c38cb8432
1 changed files with 7 additions and 2 deletions
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9
external/bsd/nvi/usr.bin/nvi/Makefile vendored
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@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.3 2013/11/29 22:56:19 christos Exp $ # $NetBSD: Makefile,v 1.4 2013/11/30 14:52:40 christos Exp $
.include <bsd.own.mk> .include <bsd.own.mk>
@ -82,7 +82,12 @@ CLEANFILES+=${i}_extern.h
_${i}_SRCS != echo ${DIST}/${i}/*.c ${DIST}/${i}/*.xs _${i}_SRCS != echo ${DIST}/${i}/*.c ${DIST}/${i}/*.xs
${i}_extern.h: ${SRCS} ${i}_extern.h: ${SRCS}
${_MKTARGET_CREATE} ${_MKTARGET_CREATE}
${TOOL_SED} -n "s/^ \* PUBLIC: \(.*\)/\1/p" ${.ALLSRC:M*/$i/*} > ${.TARGET} @${TOOL_SED} -n "s/^ \* PUBLIC: \(.*\)/\1/p" ${.ALLSRC:M*/$i/*} > ${.TARGET}.tmp
@if cmp -s ${.TARGET}.tmp ${.TARGET}; then \
rm -f ${.TARGET}.tmp; \
else \
mv -f ${.TARGET}.tmp ${.TARGET}; \
fi
.endfor .endfor
DPSRCS+=version.h DPSRCS+=version.h