Date: Fri, 08 Feb 2002 20:03:22 +0200 From: Maxim Sobolev <sobomax@FreeBSD.org> To: Terry Lambert <tlambert2@mindspring.com> Cc: Ruslan Ermilov <ru@FreeBSD.org>, Jason Evans <jasone@canonware.com>, jdp@FreeBSD.org, deischen@FreeBSD.org, jasone@FreeBSD.org, hackers@FreeBSD.org, jlemon@FreeBSD.org Subject: Re: Linking libc before libc_r into application causes weird problems Message-ID: <3C6412EA.2605CDB@FreeBSD.org> References: <1013147180.73417.2.camel@notebook> <20020207234233.D23162@canonware.com> <3C639A8C.6D100326@FreeBSD.org> <3C63A62D.3E4A4FC4@mindspring.com> <3C63AD02.79BA5AF5@FreeBSD.org> <20020208164132.D78163@sunbay.com> <3C63E5D1.1E423698@FreeBSD.org> <20020208172237.G78163@sunbay.com> <3C640DDE.78417F5C@mindspring.com>
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Terry Lambert wrote: > > Ruslan Ermilov wrote: > > Sorry, but I don't get it. I can't reproduce it other than specifying > > -lc explicitly. For example, -lssh now depends on -lcrypto and -lz, in > > that order. Attempting to link a program with -lc_r -lssh gives, in > > that order: > > > > libc_r.so.5 => /usr/lib/libc_r.so.5 (0x28065000) > > libssh.so.2 => /usr/lib/libssh.so.2 (0x28083000) > > libc.so.5 => /usr/lib/libc.so.5 (0x280b2000) > > libcrypto.so.2 => /usr/lib/libcrypto.so.2 (0x28168000) > > libz.so.2 => /usr/lib/libz.so.2 (0x28223000) > > > > The primary dependecies come first, then secondaries. I can only > > imagine the situation where libc.so comes before libc_r.so if some > > library has a (bogus) explicit dependency on libc.so. > > Yes, this is exactly the case: the shared library is linked > against libc.so. THis is actually legal, and, in some cases, > desirable. > > In the "Evolution" case, though, it's bogus. As you can see from my log there was no library explicitly linked with libc and no -lc command line option, but resulting executable ended up with libc recorded right before libc_r. Any clues? -Maxim > > > How does ldd(1) output in question looks like, the full version? > > Heh. Same question I asked, with ldd information for the > .so's, too. 8-). > > -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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