Date: Fri, 4 Apr 2003 02:03:35 +0200 From: Dimitry Andric <dim@xs4all.nl> To: Pawel Jakub Dawidek <nick@garage.freebsd.pl> Cc: freebsd-hackers@freebsd.org Subject: Re: Bug in make(1)? Message-ID: <18441906438.20030404020335@xs4all.nl> In-Reply-To: <20030403212300.GL54604@garage.freebsd.pl> References: <20030403212300.GL54604@garage.freebsd.pl>
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On 2003-04-03 at 23:23:00 Pawel Jakub Dawidek wrote:
> IMHO make(1) should put .o files in current directory _and_ look for
> them there when producing an executable file. Right?
I think this is more of a gcc/g++ problem/feature. :) The info page
says:
If `-o' is not specified, the default is to put an executable file
in `a.out', the object file for `SOURCE.SUFFIX' in `SOURCE.o', its
assembler file in `SOURCE.s', and all preprocessed C source on
standard output.
So at first glance I would say: "gcc -c some/weird/path/file.c"
outputs the file "some/weird/path/file.o". But it doesn't, it puts
the object file in the current directory... This is probably a
feature, and if you change it, I guess a lot of stuff will break. :)
Therefore, the simplest solution is to specify -o options everywhere.
I've attached a patch for /usr/share/mk/sys.mk that does this, but
please beware, it might break stuff which *expects* output files to
always be put in the current directory.
OTOH, make(1) itself seems to be consistent with relative pathnames;
if you tell it a rule to create .b files from .a files, it will
correctly try to use that rule to convert some/path/file.a into
some/path/file.b (and NOT ./file.b).
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