Install a Windows cross-compiler on OSX

mingw-on-osx.sh

#!/bin/sh

PREFIX="/usr/local/mingw"
BINUTILS_VERSION=2.25
GCC_VERSION=5.1.0
GCC_SUFFIX_VERSION=5.1
MINGW_VERSION=4.0.2
SHA256_SUM=yolo

# check_error my_cmd --param ...
check_error() {
  $*
  if [ $? -ne 0 ]; then
    echo "The following command returned an error:"
    echo "$*"
    echo "Continue? y/n"
    read a
    if [ $a != "y" ]; then
      exit
    fi
    echo "Ignoring..."
  else
    echo "OK: $*"
  fi
}

# check_download "file_maybe_existing" download_cmd...
check_download() {
  file=$1
  shift
  if [ ! -f "$file" ]; then
    echo "Downloading ${file}"
    $*
  else
    echo "${file} already downloaded"
  fi
}

# check_decompression "dir" decompression_cmd...
check_decompression() {
  decompressed=$1
  shift
  if [ ! -d "$1" ]; then
    echo "Decompressing..."
    $*
  else
    echo "Decompression not needed, ${decompressed} already exists"
  fi
}

# prerequisites
check_error brew install gmp mpfr libmpc cloog isl
check_error brew link gmp mpfr libmpc cloog isl

#  mingw
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
check_error cd $DIR

check_error mkdir -p source
check_error mkdir -p $PREFIX

echo "Downloading binutils"

check_error cd ./source
check_error check_download "binutils-${BINUTILS_VERSION}.tar.bz2" \
  curl -LO http://ftp.gnu.org/gnu/binutils/binutils-${BINUTILS_VERSION}.tar.bz2

check_error check_decompression "binutils-${BINUTILS_VERSION}" \
  tar xjf binutils-${BINUTILS_VERSION}.tar.bz2

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

check_error cd binutils-${BINUTILS_VERSION}
check_error mkdir -p build
check_error cd build

CC=gcc-${GCC_SUFFIX_VERSION} CXX=g++-${GCC_SUFFIX_VERSION} \
  CPP=cpp-${GCC_SUFFIX_VERSION} LD=gcc-${GCC_SUFFIX_VERSION}

check_error ../configure --target=i686-w64-mingw32 --disable-werror \
  --disable-multilib --prefix=$PREFIX --with-sysroot=$PREFIX

check_error make -j4
check_error make install-strip

echo "2/2 64-bit"

cd ..
check_error mkdir -p build64
cd build64

CC=gcc-${GCC_SUFFIX_VERSION} CXX=g++-${GCC_SUFFIX_VERSION} \
  CPP=cpp-${GCC_SUFFIX_VERSION} LD=gcc-${GCC_SUFFIX_VERSION}

check_error ../configure --target=x86_64-w64-mingw32 --disable-werror \
  --disable-multilib --prefix=$PREFIX --with-sysroot=$PREFIX \
  --enable-64-bit-bfd

check_error make -j4
check_error make install-strip

check_error cd ../..

echo "Downloading mingw-w64"

check_error check_download "mingw-w64-v${MINGW_VERSION}.tar.bz2" \
  curl -Lo mingw-w64-v${MINGW_VERSION}.tar.bz2 \
  "http://freefr.dl.sourceforge.net/project/mingw-w64/mingw-w64/mingw-w64-release/mingw-w64-v${MINGW_VERSION}.tar.bz2"

check_error check_decompression "mingw-w64-v${MINGW_VERSION}" \
  tar xjf mingw-w64-v${MINGW_VERSION}.tar.bz2

echo "Building mingw-headers"

echo "1/2 32-bit"

check_error cd mingw-w64-v${MINGW_VERSION}
check_error mkdir -p build-headers32
check_error cd build-headers32

check_error ../mingw-w64-headers/configure --host=i686-w64-mingw32 \
  --prefix=$PREFIX/i686-w64-mingw32

check_error make -j4
check_error make install-strip

check_error cd $PREFIX/i686-w64-mingw32
check_error ln -s lib lib32
check_error cd $DIR/source/mingw-w64-v${MINGW_VERSION}

echo "2/2 64-bit"

check_error mkdir -p build-headers64
check_error cd build-headers64

check_error ../mingw-w64-headers/configure --host=x86_64-w64-mingw32 \
  --prefix=$PREFIX/x86_64-w64-mingw32

check_error make -j4
check_error make install-strip


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

echo "Downloading gcc"

check_error check_download "gcc-${GCC_VERSION}.tar.bz2" \
  curl -LO ftp://gcc.gnu.org/pub/gcc/releases/gcc-${GCC_VERSION}/gcc-${GCC_VERSION}.tar.bz2

check_error check_decompression "gcc-${GCC_VERSION}" tar xjf gcc-${GCC_VERSION}.tar.bz2

echo "Building core gcc"

echo "1/2 32-bit"

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

check_error cd $DIR/source/gcc-${GCC_VERSION}
check_error mkdir -p build32
check_error cd build32

CC=gcc-${GCC_SUFFIX_VERSION} CXX=g++-${GCC_SUFFIX_VERSION} \
  CPP=cpp-${GCC_SUFFIX_VERSION} LD=gcc-${GCC_SUFFIX_VERSION} \
  PATH=${PREFIX}/bin/:$PATH

check_error ../configure --target=i686-w64-mingw32 --disable-multilib \
  --enable-languages=c,c++ \
  --with-gmp=/usr/local \
  --with-mpfr=/usr/local \
  --with-mpc=/usr/local \
  --with-cloog=/usr/local \
  --with-isl=/usr/local \
  --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

check_error make all-gcc -j4
check_error make install-gcc

echo "2/2 64-bit"

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

check_error cd $DIR/source/gcc-${GCC_VERSION}
check_error mkdir -p build64
check_error cd build64

CC=gcc-${GCC_SUFFIX_VERSION} CXX=g++-${GCC_SUFFIX_VERSION} \
  CPP=cpp-${GCC_SUFFIX_VERSION} LD=gcc-${GCC_SUFFIX_VERSION} \
  PATH=${PREFIX}/bin/:$PATH

check_error ../configure --target=x86_64-w64-mingw32 --disable-multilib \
  --enable-languages=c,c++ \
  --with-gmp=/usr/local \
  --with-mpfr=/usr/local \
  --with-mpc=/usr/local \
  --with-cloog=/usr/local \
  --with-isl=/usr/local \
  --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

check_error make all-gcc -j4
check_error make install-gcc

echo "Building mingw runtime"

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

check_error cd $DIR/source/mingw-w64-v${MINGW_VERSION}
check_error mkdir -p build-crt32
check_error cd build-crt32

echo "1/2 32-Bit"

check_error ../mingw-w64-crt/configure --host=i686-w64-mingw32 \
  --prefix=$PREFIX/i686-w64-mingw32 --with-sysroot=$PREFIX

check_error make
check_error make install-strip

echo "2/2 64-Bit"

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

check_error cd $DIR/source/mingw-w64-v${MINGW_VERSION}
check_error mkdir -p build-crt64
check_error cd build-crt64

check_error ../mingw-w64-crt/configure --host=x86_64-w64-mingw32 \
  --prefix=$PREFIX/x86_64-w64-mingw32 --with-sysroot=$PREFIX

check_error make
check_error make install-strip

echo "Building all gcc"

echo "1/2 32-Bit"

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

check_error cd $DIR/source/gcc-${GCC_VERSION}/build32

check_error make
check_error make install-strip

echo "2/2 64-Bit"

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

check_error cd $DIR/source/gcc-${GCC_VERSION}/build64

check_error make
check_error make install-strip

echo "Linking libgcc"

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

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

echo "Building winpthreads"

check_error cd $DIR/source/mingw-w64-v${MINGW_VERSION}/mingw-w64-libraries/winpthreads

echo "1/2 32-Bit"

check_error mkdir -p build32
check_error cd build32

check_error ../configure --host=i686-w64-mingw32 \
  --prefix=$PREFIX/i686-w64-mingw32

check_error make
check_error make install-strip

check_error cd ..

echo "2/2 64-Bit"

check_error mkdir -p build64
check_error cd build64

check_error ../configure --host=x86_64-w64-mingw32 \
  --prefix=$PREFIX/x86_64-w64-mingw32

check_error make
check_error make install-strip

echo "Cleaning up"

check_error cd $DIR
check_error rm -rf source

echo "Done"