#!/bin/sh

#

# Build a fat binary for iOS

# Number of CPUs (for make -j)

NCPU=`sysctl -n hw.ncpu`

if test x$NJOB = x; then

    NJOB=$NCPU

fi

SRC_DIR=$(cd `dirname $0`/..; pwd)

if [ "$PWD" = "$SRC_DIR" ]; then

    PREFIX=$SRC_DIR/ios-build

    mkdir $PREFIX

else

    PREFIX=$PWD

fi

BUILD_I386_IOSSIM=YES

BUILD_X86_64_IOSSIM=YES

BUILD_IOS_ARMV7=YES

BUILD_IOS_ARMV7S=YES

BUILD_IOS_ARM64=YES

# 13.4.0 - Mavericks

# 14.0.0 - Yosemite

# 15.0.0 - El Capitan

DARWIN=darwin15.0.0

XCODEDIR=`xcode-select --print-path`

IOS_SDK_VERSION=`xcrun --sdk iphoneos --show-sdk-version`

MIN_SDK_VERSION=6.0

IPHONEOS_PLATFORM=`xcrun --sdk iphoneos --show-sdk-platform-path`

IPHONEOS_SYSROOT=`xcrun --sdk iphoneos --show-sdk-path`

IPHONESIMULATOR_PLATFORM=`xcrun --sdk iphonesimulator --show-sdk-platform-path`

IPHONESIMULATOR_SYSROOT=`xcrun --sdk iphonesimulator --show-sdk-path`

# Uncomment if you want to see more information about each invocation

# of clang as the builds proceed.

# CLANG_VERBOSE="--verbose"

CC=clang

CXX=clang

SILENCED_WARNINGS="-Wno-unused-local-typedef -Wno-unused-function"

CFLAGS="${CLANG_VERBOSE} ${SILENCED_WARNINGS} -DNDEBUG -g -O0 -pipe -fPIC -fobjc-arc"

echo "PREFIX ..................... ${PREFIX}"

echo "BUILD_MACOSX_X86_64 ........ ${BUILD_MACOSX_X86_64}"

echo "BUILD_I386_IOSSIM .......... ${BUILD_I386_IOSSIM}"

echo "BUILD_X86_64_IOSSIM ........ ${BUILD_X86_64_IOSSIM}"

echo "BUILD_IOS_ARMV7 ............ ${BUILD_IOS_ARMV7}"

echo "BUILD_IOS_ARMV7S ........... ${BUILD_IOS_ARMV7S}"

echo "BUILD_IOS_ARM64 ............ ${BUILD_IOS_ARM64}"

echo "DARWIN ..................... ${DARWIN}"

echo "XCODEDIR ................... ${XCODEDIR}"

echo "IOS_SDK_VERSION ............ ${IOS_SDK_VERSION}"

echo "MIN_SDK_VERSION ............ ${MIN_SDK_VERSION}"

echo "IPHONEOS_PLATFORM .......... ${IPHONEOS_PLATFORM}"

echo "IPHONEOS_SYSROOT ........... ${IPHONEOS_SYSROOT}"

echo "IPHONESIMULATOR_PLATFORM ... ${IPHONESIMULATOR_PLATFORM}"

echo "IPHONESIMULATOR_SYSROOT .... ${IPHONESIMULATOR_SYSROOT}"

echo "CC ......................... ${CC}"

echo "CFLAGS ..................... ${CFLAGS}"

echo "CXX ........................ ${CXX}"

echo "CXXFLAGS ................... ${CXXFLAGS}"

echo "LDFLAGS .................... ${LDFLAGS}"

###################################################################

# This section contains the build commands for each of the 

# architectures that will be included in the universal binaries.

###################################################################

echo "$(tput setaf 2)"

echo "###########################"

echo "# i386 for iPhone Simulator"

echo "###########################"

echo "$(tput sgr0)"

if [ "${BUILD_I386_IOSSIM}" == "YES" ]

then

    (

        cd ${PREFIX}

        make clean

        ../configure --build=x86_64-apple-${DARWIN} --host=i386-ios-${DARWIN} --disable-shared --prefix=${PREFIX}/platform/i386-sim "CC=${CC}" "CFLAGS=${CFLAGS} -mios-simulator-version-min=${MIN_SDK_VERSION} -arch i386 -isysroot ${IPHONESIMULATOR_SYSROOT}" "CXX=${CXX}" "CXXFLAGS=${CXXFLAGS} -mios-simulator-version-min=${MIN_SDK_VERSION} -arch i386 -isysroot ${IPHONESIMULATOR_SYSROOT}" LDFLAGS="-arch i386 -mios-simulator-version-min=${MIN_SDK_VERSION} ${LDFLAGS} -L${IPHONESIMULATOR_SYSROOT}/usr/lib/ -L${IPHONESIMULATOR_SYSROOT}/usr/lib/system" || exit 2

	cp $SRC_DIR/include/SDL_config_iphoneos.h include/SDL_config.h

        make -j10 || exit 3

        make install

    ) || exit $?

fi

echo "$(tput setaf 2)"

echo "#############################"

echo "# x86_64 for iPhone Simulator"

echo "#############################"

echo "$(tput sgr0)"

if [ "${BUILD_X86_64_IOSSIM}" == "YES" ]

then

    (

        cd ${PREFIX}

        make clean

        ../configure --build=x86_64-apple-${DARWIN} --host=x86_64-ios-${DARWIN} --disable-shared --prefix=${PREFIX}/platform/x86_64-sim "CC=${CC}" "CFLAGS=${CFLAGS} -mios-simulator-version-min=${MIN_SDK_VERSION} -arch x86_64 -isysroot ${IPHONESIMULATOR_SYSROOT}" "CXX=${CXX}" "CXXFLAGS=${CXXFLAGS} -mios-simulator-version-min=${MIN_SDK_VERSION} -arch x86_64 -isysroot ${IPHONESIMULATOR_SYSROOT}" LDFLAGS="-arch x86_64 -mios-simulator-version-min=${MIN_SDK_VERSION} ${LDFLAGS} -L${IPHONESIMULATOR_SYSROOT}/usr/lib/ -L${IPHONESIMULATOR_SYSROOT}/usr/lib/system" || exit 2

	cp $SRC_DIR/include/SDL_config_iphoneos.h include/SDL_config.h

        make -j$NJOB || exit 3

        make install

    ) || exit $?

fi

echo "$(tput setaf 2)"

echo "##################"

echo "# armv7 for iPhone"

echo "##################"

echo "$(tput sgr0)"

if [ "${BUILD_IOS_ARMV7}" == "YES" ]

then

    (

        cd ${PREFIX}

        make clean

        ../configure --build=x86_64-apple-${DARWIN} --host=armv7-ios-${DARWIN} --disable-shared --prefix=${PREFIX}/platform/armv7-ios "CC=${CC}" "CFLAGS=${CFLAGS} -miphoneos-version-min=${MIN_SDK_VERSION} -arch armv7 -isysroot ${IPHONEOS_SYSROOT}" "CXX=${CXX}" "CXXFLAGS=${CXXFLAGS} -arch armv7 -isysroot ${IPHONEOS_SYSROOT}" LDFLAGS="-arch armv7 -miphoneos-version-min=${MIN_SDK_VERSION} ${LDFLAGS}" || exit 2

	cp $SRC_DIR/include/SDL_config_iphoneos.h include/SDL_config.h

        make -j$NJOB || exit 3

        make install

    ) || exit $?

fi

echo "$(tput setaf 2)"

echo "###################"

echo "# armv7s for iPhone"

echo "###################"

echo "$(tput sgr0)"

if [ "${BUILD_IOS_ARMV7S}" == "YES" ]

then

    (

        cd ${PREFIX}

        make clean

        ../configure --build=x86_64-apple-${DARWIN} --host=armv7s-ios-${DARWIN} --disable-shared --prefix=${PREFIX}/platform/armv7s-ios "CC=${CC}" "CFLAGS=${CFLAGS} -miphoneos-version-min=${MIN_SDK_VERSION} -arch armv7s -isysroot ${IPHONEOS_SYSROOT}" "CXX=${CXX}" "CXXFLAGS=${CXXFLAGS} -miphoneos-version-min=${MIN_SDK_VERSION} -arch armv7s -isysroot ${IPHONEOS_SYSROOT}" LDFLAGS="-arch armv7s -miphoneos-version-min=${MIN_SDK_VERSION} ${LDFLAGS}" || exit 2

	cp $SRC_DIR/include/SDL_config_iphoneos.h include/SDL_config.h

        make -j$NJOB || exit 3

        make install

    ) || exit $?

fi

echo "$(tput setaf 2)"

echo "##################"

echo "# arm64 for iPhone"

echo "##################"

echo "$(tput sgr0)"

if [ "${BUILD_IOS_ARM64}" == "YES" ]

then

    (

        cd ${PREFIX}

        make clean

        ../configure --build=x86_64-apple-${DARWIN} --host=arm-ios-${DARWIN} --disable-shared --prefix=${PREFIX}/platform/arm64-ios "CC=${CC}" "CFLAGS=${CFLAGS} -miphoneos-version-min=${MIN_SDK_VERSION} -arch arm64 -isysroot ${IPHONEOS_SYSROOT}" "CXX=${CXX}" "CXXFLAGS=${CXXFLAGS} -miphoneos-version-min=${MIN_SDK_VERSION} -arch arm64 -isysroot ${IPHONEOS_SYSROOT}" LDFLAGS="-arch arm64 -miphoneos-version-min=${MIN_SDK_VERSION} ${LDFLAGS}" || exit 2

	cp $SRC_DIR/include/SDL_config_iphoneos.h include/SDL_config.h

        make -j$NJOB || exit 3

        make install

    ) || exit $?

fi

echo "$(tput setaf 2)"

echo "###################################################################"

echo "# Create Universal Libraries and Finalize the packaging"

echo "###################################################################"

echo "$(tput sgr0)"

(

    cd ${PREFIX}/platform

    mkdir -p universal

    lipo x86_64-sim/lib/libSDL2.a i386-sim/lib/libSDL2.a arm64-ios/lib/libSDL2.a armv7s-ios/lib/libSDL2.a armv7-ios/lib/libSDL2.a -create -output universal/libSDL2.a

)

(

    cd ${PREFIX}

    mkdir -p lib

    cp -r platform/universal/* lib

    #rm -rf platform

    lipo -info lib/libSDL2.a

)

echo Done!