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Message-ID: <20111022041018.GA32206@openwall.com>
Date: Sat, 22 Oct 2011 08:10:18 +0400
From: Solar Designer <solar@...nwall.com>
To: owl-dev@...ts.openwall.com
Subject: Re: mpc, gmp, mpfr, gcc .specs
Vasiliy,
On Fri, Oct 21, 2011 at 09:08:46PM +0400, Vasiliy Kulikov wrote:
> On Fri, Oct 21, 2011 at 13:00 +0400, Vasiliy Kulikov wrote:
> > If the lack of SSE2 breaks tests only, is it a sufficient check? -
> >
> > %ifarch %ix86
> > # Test SSE2 libraries only if we either have SSE2 CPU support
> > # or we don't know whether we have it.
> > if ! [ -e /proc/cpuinfo ] || grep -q sse2 /proc/cpuinfo; then
> > cd build-sse2
> > export LD_LIBRARY_PATH=`pwd`/.libs
> > %__make check
> > cd ..
> > fi
> > %endif
>
> Can someone test it? We need a machine without SSE2 support to (1)
> try to build RPM and (2) try to install gmp RPM compiled on another
> machine with SSE2 support.
I can, but I think we should simply %if 0 the SSE2 stuff in gmp.spec
until we update glibc. It is useless without newer glibc (or rather,
dynamic linker).
Owl with our current glibc:
user@owl:~ $ LD_LIBRARY_PATH=/lib LD_DEBUG=libs /bin/echo 2>&1 | fgrep search
6089: find library=libc.so.6 [0]; searching
6089: search path=/lib/tls/i686:/lib/tls:/lib/i686:/lib (system search path)
Fedora 14 (32-bit OpenVZ container on Owl-current for x86_64):
[user@...1432 ~]$ LD_LIBRARY_PATH=/lib LD_DEBUG=libs /bin/echo 2>&1 | fgrep search
1175: find library=libc.so.6 [0]; searching
1175: search path=/lib/tls/i686/sse2:/lib/tls/i686:/lib/tls/sse2:/lib/tls:/lib/i686/sse2:/lib/i686:/lib/sse2:/lib (system search path)
Alexander
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