Date: Wed, 20 May 2009 21:57:02 +0200 From: Polytropon <freebsd@edvax.de> To: francis keyes <fkeymo@gmail.com> Cc: Polytropon <freebsd@edvax.de>, Chuck Robey <chuckr@telenix.org>, freebsd-questions@freebsd.org Subject: Re: compiling FreeBSD date on Linux Message-ID: <20090520215702.826770e3.freebsd@edvax.de> In-Reply-To: <d64607cc0905201045i36084a34g2a6c0d4e9d5f750d@mail.gmail.com> References: <d64607cc0905191419p621f7e65tf5515d1d3696bfa0@mail.gmail.com> <20090520000137.3d46fcb2.freebsd@edvax.de> <4A135119.8010007@telenix.org> <d64607cc0905201045i36084a34g2a6c0d4e9d5f750d@mail.gmail.com>
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On Wed, 20 May 2009 14:45:59 -0300, francis keyes <fkeymo@gmail.com> wrote:
> Hmm... the date program looks pretty simple but I don't understand the
> Makfile:
>
> # @(#)Makefile 8.1 (Berkeley) 5/31/93
> # $FreeBSD: src/bin/date/Makefile,v 1.11.30.1 2009/04/15 03:14:26 kensmith
> Exp $
>
> PROG= date
The final program name.
> SRCS= date.c netdate.c vary.c
The source files it depends on.
> DPADD= ${LIBUTIL}
Needs to compile what ${LIBUTIL} point to, usually the
libutil directory in the src/ tree.
> LDADD= -lutil
Additional info for the linker: link against libutil.
This indicates that libutil is a build dependency for
the date program.
> .include <bsd.prog.mk>
Definitions, variables and "what to do" is there.
> Would it be possible to compile this without a makefile?
That was my initial idea. The date program seems to depend
on two things: First the kernel interface which would be
something similar in Linux, and the libutil library, which
is maybe present on Linux, too.
--
Polytropon
>From Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
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