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duplicate targets in Makefile rule

X-seq: zsh-workers 9643
From: Adam Spiers <adam@xxxxxxxxxx>
To: zsh workers mailing list <zsh-workers@xxxxxxxxxxxxxx>
Subject: duplicate targets in Makefile rule
Date: Wed, 9 Feb 2000 23:58:05 +0000
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Reply-to: Adam Spiers <adam@xxxxxxxxxx>

I'm puzzled by the following on line 85 of Doc/Makefile.in:

zsh.texi $(sdir)/zsh.texi:
         case $@ in \
           */*) target=$@ ;; \
             *) target=$(sdir)/$@ ;; \
             esac; \
             $(YODL) -o $$target -I$(sdir) -w ztexi.yo version.yo
         zsh.yo; \
         test -f $$target

When is sdir not `.'?  And when it is, make barfs with things like:

make[1]: Entering directory `/mnt/hda7/usr_src/redhat/BUILD/zsh-3.1.6/Doc'
Makefile:217: target `zsh.texi' given more than once in the same rule.
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory
`/mnt/hda7/usr_src/redhat/BUILD/zsh-3.1.6/Doc'

Follow-Ups:
- Re: duplicate targets in Makefile rule
  - From: Zefram

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