Hey guys,

Sorry for the late response, I was offline during the weekend.

@Mark, you can find output in attachment.

gcc -v

Using built-in specs.
Target: i686-apple-darwin11
Configured with: /private/var/tmp/llvmgcc42/llvmgcc42-2336.11~67/src/configure --disable-checking --enable-werror --prefix=/Applications/Xcode.app/Contents/Developer/usr/llvm-gcc-4.2 --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-prefix=llvm- --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-darwin11 --enable-llvm=/private/var/tmp/llvmgcc42/llvmgcc42-2336.11~67/dst-llvmCore/Developer/usr/local --program-prefix=i686-apple-darwin11- --host=x86_64-apple-darwin11 --target=i686-apple-darwin11 --with-gxx-include-dir=/usr/include/c++/4.2.1
Thread model: posix
gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00)

brew info gmp

gmp: stable 5.0.5
http://gmplib.org/
/usr/local/Cellar/gmp/5.0.5 (11 files, 2.3M) *
https://github.com/mxcl/homebrew/commits/master/Library/Formula/gmp.rb
==> Options
--32-bit
	Build 32-bit only


Best,
Jozef