Re: GMP 4.2 broken on G5
Re: GMP 4.2 broken on G5
- Subject: Re: GMP 4.2 broken on G5
- From: David Fang <email@hidden>
- Date: Wed, 26 Apr 2006 20:36:32 -0400 (EDT)
> I think I have solved the problem. I thought the use of only
> -fno-common in gmp to compile shared libs looked suspect. Sure enough
> if I compile gmp 4.2 with...
>
> ./configure --enable-cxx CC='gcc -fPIC' CXX='g++ -fPIC'
Jack,
That's ... interesting. PIC-ness affects the correctness of the
code for the failing test? (Were you able to reproduce the t-hamdist
fail?) Something seems amiss. Is your 'gcc' FSF's 4.1.0, or one of
Apple's? (Incidentally, you can pass CFLAGS=-fPIC CXXFLAGS=-fPIC as
configure params, that guarantees that your flags come last, and not
overridden by anything else the maintainer defined.)
> ...the resulting build fully passes make check on the G5. I don't
> believe that -fno-common provides PIC code in the same fashion as
> -fPIC. Googling those flags show a lot of code using both -fPIC
> and -fno-common in the compiles.
Anyhow, thanks for the update, good to hear that someone's got it
working. Now if we can trust the coverage of 'make check', then we're
good to go. :)
David
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