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To: jroberson@jroberson.net
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: arch@freebsd.org
Subject: Re: Change to config(8) for OFED
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In message: <alpine.BSF.2.00.1006111611380.1435@desktop>
            Jeff Roberson <jroberson@jroberson.net> writes:
: I have a patch to permit compilation of files brought in from linux
: that use the same name in multiple directories.  I added a new
: directive called 'obj-prefix' which expects a quoted string that will
: be prepended to the object file name.  The problem is that this breaks
: ${.IMPSRC}

So foo_bar.o depends on bar.c?  And ${.IMPSRC} expands to foo_bar.c?

: I could also emit the source file name for those rules which are
: created with prefixes and then require each file that uses a prefix to
: also use compile-with.  This wouldn't be so bad since they likely are
: already using compile-with anyway.

You'll have to emit compile rules, I think.

: Any other suggestions?  Can I override IMPSRC?

No.  ${.IMPSRC} isn't wrong, it just isn't what you want it to be, so
you have to override the rules.

Warner