From: nobu.nokada@...
Date: 2003-07-10T22:40:29+09:00
Subject: Re: build problems with 1.8, solaris and sparc options

Hi,

At Thu, 10 Jul 2003 11:57:56 +0900,
Dan Debertin wrote:
> This is compiled 64-bit:
> > gcc -fPIC -g -O2 -m64 -mcpu=ultrasparc -I. -I/usr/local/src/ruby 
> > -I/usr/local/src/ruby -I/usr/local/src/ruby/ext/bigdecimal -c bigdecimal.c
> 
> This isn't:
> > gcc -Wl,-G  -L"/usr/local/src/ruby" -L"/opt/lib" -o bigdecimal.so 
> > bigdecimal.o  -ldl -lcrypt -lm  -lc
> > ld: fatal: file bigdecimal.o: wrong ELF class: ELFCLASS64
> > ld: fatal: File processing errors. No output written to bigdecimal.so
> > collect2: ld returned 1 exit status
> 
> You can't mix 32-bit and 64-bit libraries/object files. At the link
> phase, ld doesn't know you're trying to make a 64-bit executable, so
> it looks under /usr/lib for -ldl, -lm, etc., instead of
> /usr/lib/64. (BTW, 'elfdump -e' can be invaluable in diagnosing
> problems like this.)

Then, try configure with LDFLAGS=-m64, or with CC='gcc -m64'
instead of CFLAGS.

-- 
Nobu Nakada