From: nobuyoshi nakada <nobuyoshi.nakada@...>
Date: 2005-09-29T19:05:49+09:00
Subject: Re: Trouble building 64-bit Ruby 1.8.3 on Solaris 10/AMD64

Hi,

At Thu, 29 Sep 2005 18:23:55 +0900,
ts wrote in [ruby-talk:158207]:
> n> I'd like to know why DLDFLAGS can't be set only on Solaris.
> 
>  With DLDFLAGS=-m64 it do
> 
> gcc -fPIC -g -O2 -I. -I../.. -I../../. -I../.././ext/bigdecimal -c bigdecimal.c
> In file included from ../../ruby.h:24,
>                  from bigdecimal.c:23:
> ../../config.h:17:1: warning: "_FILE_OFFSET_BITS" redefined
> In file included from /usr/include/iso/ctype_iso.h:30,
>                  from /usr/include/ctype.h:18,
>                  from bigdecimal.c:16:
> /usr/include/sys/feature_tests.h:96:1: warning: this is the location of the previous definition
> gcc -Wl,-G -m64 -L'../..' -o ../../.ext/sparc-solaris2.8/bigdecimal.so bigdecimal.o  -ldl -lcrypt -lm   -lc
> ld: fatal: file bigdecimal.o: wrong ELF class: ELFCLASS32

DLDFLAGS itself seems to work.

>  With CC="gcc -m64"
> 
> compiling bigdecimal
> gcc -m64 -fPIC -g -O2 -I. -I../.. -I../../. -I../.././ext/bigdecimal -c bigdecimal.c
> gcc -m64 -Wl,-G -m64 -L'../..' -o ../../.ext/sparc-solaris2.8/bigdecimal.so bigdecimal.o  -ldl -lm   -lc

Or both of CFLAGS and DLDFLAGS are needed.

OK, understood.  Thank you.


-- 
Nobu Nakada