Date: Sat, 30 May 2009 00:00:11 -0700 From: Tim Kientzle <kientzle@freebsd.org> To: Mel Flynn <mel.flynn+fbsd.current@mailing.thruhere.net> Cc: freebsd-current@freebsd.org Subject: Re: Linking with libarchive fails (Was: Re: buildworld fails.) Message-ID: <4A20D97B.1030609@freebsd.org> In-Reply-To: <200905291857.34848.mel.flynn%2Bfbsd.current@mailing.thruhere.net> References: <57200BF94E69E54880C9BB1AF714BBCB5DE72E@w2003s01.double-l.local> <200904172107.15616.mel.flynn%2Bfbsd.current@mailing.thruhere.net> <49E96E4E.3070206@freebsd.org> <200905291857.34848.mel.flynn%2Bfbsd.current@mailing.thruhere.net>
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Mel Flynn wrote: > > Linking with libarchive now results in: > /usr/local/libexec/ccache/world-cc -O2 -pipe -std=iso9899:1999 -fstack- > protector -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused- > parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno- > uninitialized -Wno-pointer-sign -o tardiff tardiff.o -larchive > /usr/lib/libarchive.so: undefined reference to `SHA1_Init' > /usr/lib/libarchive.so: undefined reference to `SHA256_Update' > /usr/lib/libarchive.so: undefined reference to `SHA512_Final' ... omitted many more... > *** Error code 1 > > Stop in /home/mel/cvs/utils/tardiff. > > % cat BSDmakefile > PROG=tardiff > LDADD=-larchive > WARNS=3 > NO_MAN=yes You need: LDADD=-larchive -lmd -lcrypto One of the formats supported by libarchive has recently gained support for some cryptographic extensions which rely on the 'md' and 'crypto' libraries. > (In case you curious types are wondering what tardiff is, it's something I'm > writing at the moment, to figure out why 2 tars are different even though > their TOC is the same and are created from in theory the same source tree). Sounds like exactly the kind of tool that libarchive was created to help support. I'd be happy to include that in the "contrib" examples area of the libarchive portable distribution. Tim
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