Script to install a Mingw-w64 Cross-Compiler Suite on Mac OS X 10.9

mingw-w64-3.10-osx10.9.sh

#!/bin/sh

#  dependencies

echo "Installing dependencies via Homebrew (http://brew.sh)"

ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"
brew update

brew install gcc48
brew install wget

#  mingw

PREFIX="/usr/local/mingw"
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
cd $DIR

mkdir source
mkdir $PREFIX

echo "Downloading binutils\n"

cd ./source
curl -O http://ftp.gnu.org/gnu/binutils/binutils-2.24.tar.bz2
tar xjf binutils-2.24.tar.bz2

echo "Building binutils\n"
echo "1/2 32-bit\n"

cd binutils-2.24
mkdir build
cd build

CC=gcc-4.8 CXX=g++-4.8 CPP=cpp-4.8 LD=gcc-4.8 ../configure --target=i686-w64-mingw32 --disable-werror --disable-multilib --prefix=$PREFIX --with-sysroot=$PREFIX
make -j4
make install-strip

echo "2/2 64-bit\n"
cd ..
rm -rf build
mkdir build
cd build

CC=gcc-4.8 CXX=g++-4.8 CPP=cpp-4.8 LD=gcc-4.8 ../configure --target=x86_64-w64-mingw32 --disable-werror --disable-multilib --prefix=$PREFIX --with-sysroot=$PREFIX --enable-64-bit-bfd
make -j4
make install-strip

cd ..
cd ..

echo "Downloading mingw-w64\n"

wget -O mingw-w64-v3.1.0.tar.bz2 "http://downloads.sourceforge.net/project/mingw-w64/mingw-w64/mingw-w64-release/mingw-w64-v3.1.0.tar.bz2?r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Fmingw-w64%2Ffiles%2Fmingw-w64%2Fmingw-w64-release%2F&ts=1396199899&use_mirror=kent"
tar xjf mingw-w64-v3.1.0.tar.bz2

echo "Building mingw-headers\n"

echo "1/2 32-bit\n"

cd mingw-w64-v3.1.0
mkdir build-headers
cd build-headers

../mingw-w64-headers/configure --host=i686-w64-mingw32 --prefix=$PREFIX/i686-w64-mingw32
make -j4
make install-strip

cd $PREFIX/i686-w64-mingw32
ln -s lib lib32
cd $DIR/source/mingw-w64-v3.1.0

echo "2/2 64-bit\n"
rm -rf build-headers
mkdir build-headers
cd build-headers

../mingw-w64-headers/configure --host=x86_64-w64-mingw32 --prefix=$PREFIX/x86_64-w64-mingw32
make -j4
make install-strip


cd $PREFIX/x86_64-w64-mingw32
ln -s lib lib64
cd $DIR/source/

echo "Downloading gcc\n"

curl -O ftp://gcc.gnu.org/pub/gcc/releases/gcc-4.8.2/gcc-4.8.2.tar.bz2
tar xjf gcc-4.8.2.tar.bz2

echo "Building core gcc\n"

echo "1/2 32-bit\n"


cd $PREFIX
ln -s i686-w64-mingw32 mingw

cd $DIR/source/gcc-4.8.2
mkdir build32
cd build32

CC=gcc-4.8 CXX=g++-4.8 CPP=cpp-4.8 LD=gcc-4.8 PATH=/usr/local/mingw/bin/:$PATH ../configure --target=i686-w64-mingw32 --disable-multilib --enable-languages=c,c++,objc,obj-c++ --with-gmp=/usr/local/Cellar/gmp4/4.3.2/ --with-mpfr=/usr/local/Cellar/mpfr2/2.4.2/ --with-mpc=/usr/local/Cellar/libmpc08/0.8.1/ --with-cloog=/usr/local/Cellar/cloog018/0.18.0/ --with-isl=/usr/local/Cellar/isl011/0.11.1/ --with-system-zlib --enable-version-specific-runtime-libs --enable-libstdcxx-time=yes --enable-stage1-checking --enable-checking=release --enable-lto --enable-threads=win32 --disable-sjlj-exceptions --prefix=$PREFIX --with-sysroot=$PREFIX

PATH=/usr/local/mingw/bin/:$PATH make all-gcc -j4
PATH=/usr/local/mingw/bin/:$PATH make install-gcc

echo "2/2 64-bit\n"

cd $PREFIX
rm mingw
ln -s x86_64-w64-mingw32 mingw

cd $DIR/source/gcc-4.8.2
mkdir build64
cd build64

CC=gcc-4.8 CXX=g++-4.8 CPP=cpp-4.8 LD=gcc-4.8 PATH=/usr/local/mingw/bin/:$PATH ../configure --target=x86_64-w64-mingw32 --disable-multilib --enable-languages=c,c++,objc,obj-c++ --with-gmp=/usr/local/Cellar/gmp4/4.3.2/ --with-mpfr=/usr/local/Cellar/mpfr2/2.4.2/ --with-mpc=/usr/local/Cellar/libmpc08/0.8.1/ --with-cloog=/usr/local/Cellar/cloog018/0.18.0/ --with-isl=/usr/local/Cellar/isl011/0.11.1/ --with-system-zlib --enable-version-specific-runtime-libs --enable-libstdcxx-time=yes --enable-stage1-checking --enable-checking=release --enable-lto --enable-threads=win32 --prefix=$PREFIX --with-sysroot=$PREFIX

PATH=/usr/local/mingw/bin/:$PATH make all-gcc -j4
PATH=/usr/local/mingw/bin/:$PATH make install-gcc

echo "Building mingw runtime\n"

cd $PREFIX
rm mingw
ln -s i686-w64-mingw32 mingw

cd $DIR/source/mingw-w64-v3.1.0
mkdir build-crt
cd build-crt

echo "1/2 32-Bit\n"

PATH=/usr/local/mingw/bin/:$PATH ../mingw-w64-crt/configure --host=i686-w64-mingw32 --prefix=$PREFIX/i686-w64-mingw32 --with-sysroot=$PREFIX

PATH=/usr/local/mingw/bin/:$PATH make
PATH=/usr/local/mingw/bin/:$PATH make install-strip

echo "2/2 64-Bit\n"

cd $PREFIX
rm mingw
ln -s x86_64-w64-mingw32 mingw

cd $DIR/source/mingw-w64-v3.1.0
rm -rf build-crt
mkdir build-crt
cd build-crt

PATH=/usr/local/mingw/bin/:$PATH ../mingw-w64-crt/configure --host=x86_64-w64-mingw32 --prefix=$PREFIX/x86_64-w64-mingw32 --with-sysroot=$PREFIX

PATH=/usr/local/mingw/bin/:$PATH make
PATH=/usr/local/mingw/bin/:$PATH make install-strip

echo "Building all gcc\n"

echo "1/2 32-Bit\n"

cd $PREFIX
rm mingw
ln -s i686-w64-mingw32 mingw

cd $DIR/source/gcc-4.8.2/build32

PATH=/usr/local/mingw/bin/:$PATH make
PATH=/usr/local/mingw/bin/:$PATH make install-strip

echo "2/2 64-Bit\n"

cd $PREFIX
rm mingw
ln -s x86_64-w64-mingw32 mingw

cd $DIR/source/gcc-4.8.2/build64

PATH=/usr/local/mingw/bin/:$PATH make
PATH=/usr/local/mingw/bin/:$PATH make install-strip

echo "Linking libgcc\n"

cd $PREFIX/i686-w64-mingw32/lib
ln -s ../../lib/gcc/i686-w64-mingw32/lib/libgcc_s.a ./

cd $PREFIX/x86_64-w64-mingw32/lib
ln -s ../../lib/gcc/x86_64-w64-mingw32/lib/libgcc_s.a ./

echo "Building winpthreads\n"

cd $DIR/source/mingw-w64-v3.1.0/mingw-w64-libraries/winpthreads

echo "1/2 32-Bit\n"

mkdir build
cd build

../configure --host=i686-w64-mingw32 --prefix=$PREFIX/i686-w64-mingw32
make
make install-strip

cd ..
rm -rf build

echo "2/2 64-Bit\n"

mkdir build
cd build

../configure --host=x86_64-w64-mingw32 --prefix=$PREFIX/x86_64-w64-mingw32
make
make install-strip

echo "Cleaning up\n"

cd $DIR
rm -rf source

echo "Done"

I am working on a homebrew version of this script.
EDIT: I just noticed that cosmo0920 (https://github.com/cosmo0920/homebrew-mingw_w64) has already begun to work on a brew version of this script.