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Date:      Wed, 27 Jan 2016 01:33:26 +0000 (UTC)
From:      Bryan Drewery <bdrewery@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r294878 - head/share/mk
Message-ID:  <201601270133.u0R1XQge047522@repo.freebsd.org>

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Author: bdrewery
Date: Wed Jan 27 01:33:26 2016
New Revision: 294878
URL: https://svnweb.freebsd.org/changeset/base/294878

Log:
  Revert yacc dependency back to pre-r241298.
  
  Several attempts to fix this logic was done after r241298, which were
  all reverted, yet this change was not.
  
  The .h file does not depend on the .c file, so do not impose such a
  dependency on it.  They are generated by the same command but do not
  depend on each other.  Restore the .ORDER which should handle parallel build
  issues.  This fixes an actual bug where the .h file is not recreated
  when missing [1].  For example:
    cd lib/libc
    make cleanobj
    make nsparser.h
    rm nsparser.h
    make nsparser.h # will not rebuild nsparser.h
  
  I have been trying to track down a build problem where nsparser.h is
  missing when nslexer.o is built.  It is possible this is related.
  
  Reported by:	bde [1]
  		https://lists.freebsd.org/pipermail/svn-src-all/2012-October/059481.html
  		https://lists.freebsd.org/pipermail/svn-src-all/2012-October/060038.html
  MFC after:	3 weeks
  Sponsored by:	EMC / Isilon Storage Division

Modified:
  head/share/mk/bsd.dep.mk

Modified: head/share/mk/bsd.dep.mk
==============================================================================
--- head/share/mk/bsd.dep.mk	Wed Jan 27 01:33:23 2016	(r294877)
+++ head/share/mk/bsd.dep.mk	Wed Jan 27 01:33:26 2016	(r294878)
@@ -110,8 +110,8 @@ ${_YC} y.tab.h: ${_YSRC}
 CLEANFILES+= y.tab.c y.tab.h
 .elif !empty(YFLAGS:M-d)
 .for _YH in ${_YC:R}.h
-${_YH}: ${_YC}
-${_YC}: ${_YSRC}
+.ORDER: ${_YC} ${_YH}
+${_YC} ${_YH}: ${_YSRC}
 	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
 SRCS+=	${_YH}
 CLEANFILES+= ${_YH}



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