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Add a target to check the consistency of the make OBJFORMAT variable
with the object format determined by objformat. This prevents foot shooting (a form of boot scooting for hackers?) where local changes to /etc/make.conf or /etc/make.conf.local try to override OBJFORMAT in an incomplete way.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=38715
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@ -1,5 +1,5 @@
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#
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# $Id: Makefile.inc1,v 1.1 1998/08/31 01:08:08 jb Exp $
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# $Id: Makefile.inc1,v 1.2 1998/08/31 20:43:13 jb Exp $
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#
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# Make command line options:
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# -DCLOBBER will remove /usr/include
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@ -222,7 +222,7 @@ IXMAKE= ${XMAKEENV} ${WORLDTMP}/usr/bin/make
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# Attempt to rebuild the entire system, with reasonable chance of
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# success, regardless of how old your existing system is.
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#
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buildworld:
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buildworld: check-objformat
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.if !defined(NOCLEAN)
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@echo
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@echo "--------------------------------------------------------------"
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@ -941,6 +941,29 @@ legacy-install:
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.endif
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# Get the object format that the tools see.
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#
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#
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.if exists(/usr/bin/objformat)
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__OBJFORMAT!= objformat
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.else
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__OBJFORMAT= ${OBJFORMAT}
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.endif
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#
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# Check if the local /etc/make.conf or /etc/make.conf.local have attempted
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# to override the OBJFORMAT without updating the environment for the tools
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# to see.
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#
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check-objformat :
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.if ${__OBJFORMAT} != ${OBJFORMAT}
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@/bin/sh -c "echo \"It looks like you set OBJFORMAT=${OBJFORMAT} in /etc/make.conf. Don't do that!\" "
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@/bin/sh -c "echo \"If you want to override the installed object format, you must set OBJFORMAT\" "
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@/bin/sh -c "echo \"in your environment.\" "
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@exit 1
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.endif
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.for __target in clean cleandepend cleandir depend obj
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.for entry in ${SUBDIR}
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${entry}.${__target}__D: .PHONY
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