From: Gareth Reeves <reevesg@...>
Date: 2006-03-09T05:04:33+09:00
Subject: Ruby c++ extension on intel mac

Hey,

I am having trouble building an extension on a new intel mac. The 
extension I have at the moment is simple, basically the example out of 
the big ruby book.

The error I get when building is

macbook:~/projects/extension_shared_ptr_test reevesg$ make
cc  -bundle  -L"/usr/lib" -o Extension.bundle extension.o   -lruby 
-lpthread -ldl -lobjc
/usr/bin/ld: Undefined symbols:
___gxx_personality_v0
collect2: ld returned 1 exit status
make: *** [Extension.bundle] Error 1
macbook:~/projects/extension_shared_ptr_test reevesg$

I think i may need to build my ruby from scratch because this sounds 
like a gcc incompatibility to me.

Here is my gcc output

macbook:~/projects/extension_shared_ptr_test reevesg$ gcc -v
Using built-in specs.
Target: i686-apple-darwin8
Configured with: /private/var/tmp/gcc/gcc-5250.obj~20/src/configure 
--disable-checking -enable-werror --prefix=/usr --mandir=/share/man 
--enable-languages=c,objc,c++,obj-c++ 
--program-transform-name=/^[cg][^.-]*$/s/$/-4.0/ 
--with-gxx-include-dir=/include/c++/4.0.0 --build=powerpc-apple-darwin8 
--with-arch=pentium-m --with-tune=prescott --program-prefix= 
--host=i686-apple-darwin8 --target=i686-apple-darwin8
Thread model: posix
gcc version 4.0.1 (Apple Computer, Inc. build 5250)
macbook:~/projects/extension_shared_ptr_test reevesg$

Anyone got any ideas on how to proceed? Is there a ruby extensions list 
or IIRC channel somewhere. I could definitely use the help.

Thanks

Gareth

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