Date: Mon, 07 Dec 2009 06:49:45 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Net-SNMP and ProPolice under 8.0-RELEASE Message-ID: <4B1CA589.4010300@infracaninophile.co.uk> In-Reply-To: <20091207010358.GG70263@basement.net> References: <20091207010358.GG70263@basement.net>
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Trix Farrar wrote:
> The Net-SNMP port (net-mgmt/net-snmp) builds and appears to work just
> fine, but I cannot build the SNMP module for PHP (net-mgmt/php5-snmp).
>=20
> Attempting to build php5-snmp fails during the configure stage. The
> error message says to check the config.log. In the
> /usr/ports/net-mgmt/php5-snmp/work/php-5.2.11/ext/snmp/config.log file
> I found:
>=20
> configure:5967: checking for snmp_parse_oid in -lnetsnmp
> configure:6002: cc -o conftest -O2 -pipe -fno-strict-aliasing -R/usr/l=
ocal/lib -L/usr/local/lib -L/usr/local/lib -lcrypto -lssl -rpath=3D/usr/=
local/lib -lnetsnmp -lelf -lm -lkvm -ldevstat conftest.c -lnetsnmp >&5
> /usr/local/lib/libnetsnmp.so: undefined reference to `__stack_chk_fail_=
local'
>=20
> Google-ing around, I have found that the __stack_chk_fail_local symbol
> is a side effect of compiling with the '-fstack-protector' option for
> gcc -- which, I believe, is the default for 8.0-RELEASE. Searching
> /usr/src, I found that this function is referenced in
> /usr/src/lib/libc/sys/stack_protector.c, but appears to be defined in
> /usr/src/contrib/gcclibs/libssp/ssp.c, which is part of GCC. I
> believe that this winds up in /lib/libssp.so.0 -- which also exists
> under 7.2-RELEASE.
>=20
> The copy of net-mgmt/net-snmp that I compiled under 7.2-RELEASE does
> not contain the __stack_chk_fail_local symbol.
>=20
> What am I missing? I tried adding '-lssp' to the --with-libs option
> included in CONFIGURE_ARGS in /usr/ports/net-mgmt/net-snmp/Makefile
> with no change in behavior. As it stands, I cannot build anything
> that relies on Net-SNMP.
>=20
Yes -- you're not alone. I've seen exactly the same thing, but only on
one machine. It works perfectly on an amd64 box running 8.0-RELEASE-p1,
but fails miserably on an i386 box running 8.0-STABLE.
Time to warm up send-pr(1).
Cheers,
Matthew
--=20
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
Kent, CT11 9PW
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