Date: Fri, 7 Jan 2000 17:08:27 -0800 From: Jason Evans <jasone@canonware.com> To: Luoqi Chen <luoqi@watermarkgroup.com> Cc: current@FreeBSD.ORG Subject: Re: __sigisempty() undefined if "cc -g" used. Message-ID: <20000107170827.S4938@sturm.canonware.com> In-Reply-To: <200001080036.TAA05054@lor.watermarkgroup.com>; from luoqi@watermarkgroup.com on Fri, Jan 07, 2000 at 07:36:11PM -0500 References: <200001080036.TAA05054@lor.watermarkgroup.com>
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On Fri, Jan 07, 2000 at 07:36:11PM -0500, Luoqi Chen wrote: > > In an effort to chase down a libc_r bug, I compiled libc_r with CFLAGS=-g > > (and later CFLAGS=-g3), but ran into linker problems as a result. > > > > blitz:~> gcc poll.c -pthread > > /usr/lib/libc_r.so: undefined reference to `__sigisempty' > > > > Even the simplest of C programs will get this linker error if using the > > -pthread option. > > > > So, __sigisempty is an inline function, defined in > > /usr/include/sys/signalvar.h: > > > > extern __inline int > > __sigisempty(sigset_t *set) > > { > > int i; > > > > for (i = 0; i < _SIG_WORDS; i++) { > > if (set->__bits[i]) > > return (0); > > } > > return (1); > > } > > > It doesn't make much sense to have an "extern" inline function, gcc probably > was confused by this, change "extern" to "static" and try again. Yep, that fixed it. Thanks! I just committed the change. Jason To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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