From: Ian Lance Taylor <iant@google.com>
To: IainS <developer@sandoe-acoustics.co.uk>
Cc: GCC Development <gcc@gcc.gnu.org>
Subject: Re: specs question.
Date: Mon, 12 Apr 2010 23:26:00 -0000 [thread overview]
Message-ID: <mcr7hoc1ckj.fsf@dhcp-172-17-9-151.mtv.corp.google.com> (raw)
In-Reply-To: <DAC85AB3-3F05-481C-AB57-A563BC3E6230@sandoe-acoustics.co.uk> (IainS's message of "Mon\, 12 Apr 2010 23\:34\:44 +0100")
IainS <developer@sandoe-acoustics.co.uk> writes:
> yeah .. we use it in Darwin's dsymutil spec.
>
> %{!fdump=*:%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
> %{.c|.cc|.C|.cpp|.cp|.c++|.cxx|.CPP|.m|.mm: \
> %{gdwarf-2:%{!gstabs*:%{!g0: dsymutil %{o*:%*}%{!
> o:a.out}}}}}}}}}}}}"
> %{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} %{F*} }}}}}}}\n"
>
>
> if you put "-lm" on the c/l dsymutil doesn't get called.
Note that in the specs language the %{.XXX: ...} is matched against
the filename passed to the gcc driver. It doesn't know the source
language of a .o file. So if you are linking, and passing .o files,
then this approach won't work.
Ian
next prev parent reply other threads:[~2010-04-12 23:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-11 17:49 IainS
2010-04-12 22:30 ` Ian Lance Taylor
2010-04-12 22:41 ` IainS
2010-04-12 23:26 ` Ian Lance Taylor [this message]
2010-04-12 23:44 ` IainS
2010-04-13 0:01 ` Ian Lance Taylor
2010-04-13 8:55 ` IainS
2010-04-13 18:14 ` Peter O'Gorman
2010-04-13 19:21 ` IainS
2022-05-27 10:25 Iain Sandoe
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