#!/bin/sh

#

# Build Universal binaries on Mac OS X, thanks Ryan!

#

# Usage: ./configure CC="sh gcc-fat.sh" && make && rm -rf x86 x64

DEVELOPER="`xcode-select -print-path`/Platforms/MacOSX.platform/Developer"

# Intel 32-bit compiler flags (10.6 runtime compatibility)

GCC_COMPILE_X86="gcc -arch i386 -mmacosx-version-min=10.6 \

-I/usr/local/include"

GCC_LINK_X86="-mmacosx-version-min=10.6"

# Intel 64-bit compiler flags (10.6 runtime compatibility)

GCC_COMPILE_X64="gcc -arch x86_64 -mmacosx-version-min=10.6 \

-DMAC_OS_X_VERSION_MIN_REQUIRED=1060 \

-I/usr/local/include"

GCC_LINK_X64="-mmacosx-version-min=10.6"

# Output both PowerPC and Intel object files

args="$*"

compile=yes

link=yes

while test x$1 != x; do

    case $1 in

        --version) exec gcc $1;;

        -v) exec gcc $1;;

        -V) exec gcc $1;;

        -print-prog-name=*) exec gcc $1;;

        -print-search-dirs) exec gcc $1;;

        -E) GCC_COMPILE_X86="$GCC_COMPILE_X86 -E"

            GCC_COMPILE_X64="$GCC_COMPILE_X64 -E"

            compile=no; link=no;;

        -c) link=no;;

        -o) output=$2;;

        *.c|*.cc|*.cpp|*.S|*.m|*.mm) source=$1;;

    esac

    shift

done

if test x$link = xyes; then

    GCC_COMPILE_X86="$GCC_COMPILE_X86 $GCC_LINK_X86"

    GCC_COMPILE_X64="$GCC_COMPILE_X64 $GCC_LINK_X64"

fi

if test x"$output" = x; then

    if test x$link = xyes; then

        output=a.out

    elif test x$compile = xyes; then

        output=`echo $source | sed -e 's|.*/||' -e 's|\(.*\)\.[^\.]*|\1|'`.o

    fi

fi

# Compile X86 32-bit

if test x"$output" != x; then

    dir=x86/`dirname $output`

    if test -d $dir; then

        :

    else

        mkdir -p $dir

    fi

fi

set -- $args

while test x$1 != x; do

    if test -f "x86/$1" && test "$1" != "$output"; then

        x86_args="$x86_args x86/$1"

    else

        x86_args="$x86_args $1"

    fi

    shift

done

$GCC_COMPILE_X86 $x86_args || exit $?

if test x"$output" != x; then

    cp $output x86/$output

fi

# Compile X86 32-bit

if test x"$output" != x; then

    dir=x64/`dirname $output`

    if test -d $dir; then

        :

    else

        mkdir -p $dir

    fi

fi

set -- $args

while test x$1 != x; do

    if test -f "x64/$1" && test "$1" != "$output"; then

        x64_args="$x64_args x64/$1"

    else

        x64_args="$x64_args $1"

    fi

    shift

done

$GCC_COMPILE_X64 $x64_args || exit $?

if test x"$output" != x; then

    cp $output x64/$output

fi

if test x"$output" != x; then

    lipo -create -o $output x86/$output x64/$output

fi