Date: Wed, 24 Jan 2001 10:35:06 -0800 From: Alfred Perlstein <bright@wintelcom.net> To: Dan Nelson <dnelson@emsphone.com> Cc: Daniel Eischen <eischen@vigrid.com>, current@FreeBSD.ORG, ports@FreeBSD.ORG Subject: Re: HEADS UP: libc/libc_r changes require rebuild of threaded apps Message-ID: <20010124103505.C26076@fw.wintelcom.net> In-Reply-To: <20010124123147.A2215@dan.emsphone.com>; from dnelson@emsphone.com on Wed, Jan 24, 2001 at 12:31:48PM -0600 References: <20010124084058.S26076@fw.wintelcom.net> <Pine.SUN.3.91.1010124123019.6201A-100000@pcnet1.pcnet.com> <20010124123147.A2215@dan.emsphone.com>
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* Dan Nelson <dnelson@emsphone.com> [010124 10:32] wrote: > In the last episode (Jan 24), Daniel Eischen said: > > On Wed, 24 Jan 2001, Alfred Perlstein wrote: > > > * Daniel M. Eischen <eischen@vigrid.com> [010124 05:26] wrote: > > > > As discussed a few days ago, I've just committed the changes to libc > > > > and libc_r to allow them to be linked together via -lc_r. If you're > > > > running -current and have any threaded apps built using libc_r.so.5, > > > > you'll need to rebuild them without the -pthread option using -lc_r. > > > > > > > > For porters, the __FreeBSD_version has been bumped to 500016 to > > > > reflect the above change. > > > > > > This is ambiguous, can you provide old/new examples of how to > > > compile/link a single C source file? > > > > What's not clear ;-) Use -lc_r instead of -pthread. > > > > gcc -Wall -o foo foo.c -lc_r > > > > The old way was: > > > > gcc -Wall -D_THREAD_SAFE -o foo foo.c -pthread > > I thought the old way was just -pthread, and it would handle > everything. I did a quick scan of the devel/ and net/ branches of our > ports tree, and of 43 thread-using ports, 36 of the ports simply add > -pthread. Only 7 also add -D_THREAD_SAFE. > > The only usage of _THREAD_SAFE in /usr/include is redefinition of > feof, ferror, clearerr, and fileno to *_unlocked. -D_THREAD_SAFE used to (or still does) make various foo_r function prototypes available. -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ports" in the body of the message
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