#! /bin/sh

#

#  Step 1.

#  Configure for base system so simulator is covered

#  

#  Step 2.

#  Make for iOS and iOS simulator

#

#  Step 3.

#  Merge libs into final version for xcode import

export PREFIX="$(pwd)/libsodium-ios"

export IOS32_PREFIX="$PREFIX/tmp/ios32"

export IOS32s_PREFIX="$PREFIX/tmp/ios32s"

export IOS64_PREFIX="$PREFIX/tmp/ios64"

export SIMULATOR32_PREFIX="$PREFIX/tmp/simulator32"

export SIMULATOR64_PREFIX="$PREFIX/tmp/simulator64"

export XCODEDIR=$(xcode-select -p)

export IOS_SIMULATOR_VERSION_MIN=${IOS_SIMULATOR_VERSION_MIN-"6.0.0"}

export IOS_VERSION_MIN=${IOS_VERSION_MIN-"6.0.0"}

echo

echo "Warnings related to headers being present but not usable are due to functions"

echo "that didn't exist in the specified minimum iOS version level."

echo "They can be safely ignored."

echo

mkdir -p $SIMULATOR32_PREFIX $SIMULATOR64_PREFIX $IOS32_PREFIX $IOS32s_PREFIX $IOS64_PREFIX || exit 1

# Build for the simulator

export BASEDIR="${XCODEDIR}/Platforms/iPhoneSimulator.platform/Developer"

export PATH="${BASEDIR}/usr/bin:$BASEDIR/usr/sbin:$PATH"

export SDK="${BASEDIR}/SDKs/iPhoneSimulator.sdk"

## i386 simulator

export CFLAGS="-O2 -arch i386 -isysroot ${SDK} -mios-simulator-version-min=${IOS_SIMULATOR_VERSION_MIN}"

export LDFLAGS="-arch i386 -isysroot ${SDK} -mios-simulator-version-min=${IOS_SIMULATOR_VERSION_MIN}"

make distclean > /dev/null

if [ -z "$LIBSODIUM_FULL_BUILD" ]; then

  export LIBSODIUM_ENABLE_MINIMAL_FLAG="--enable-minimal"

else

  export LIBSODIUM_ENABLE_MINIMAL_FLAG=""

fi

./configure --host=i686-apple-darwin10 \

            --disable-shared \

            ${LIBSODIUM_ENABLE_MINIMAL_FLAG} \

            --prefix="$SIMULATOR32_PREFIX" || exit 1

NPROCESSORS=$(getconf NPROCESSORS_ONLN 2>/dev/null || getconf _NPROCESSORS_ONLN 2>/dev/null)

PROCESSORS=${NPROCESSORS:-3}

make -j${PROCESSORS} install || exit 1

## x86_64 simulator

export CFLAGS="-O2 -arch x86_64 -isysroot ${SDK} -mios-simulator-version-min=${IOS_SIMULATOR_VERSION_MIN}"

export LDFLAGS="-arch x86_64 -isysroot ${SDK} -mios-simulator-version-min=${IOS_SIMULATOR_VERSION_MIN}"

make distclean > /dev/null

./configure --host=x86_64-apple-darwin10 \

            --disable-shared \

            ${LIBSODIUM_ENABLE_MINIMAL_FLAG} \

            --prefix="$SIMULATOR64_PREFIX"

make -j${PROCESSORS} install || exit 1

# Build for iOS

export BASEDIR="${XCODEDIR}/Platforms/iPhoneOS.platform/Developer"

export PATH="${BASEDIR}/usr/bin:$BASEDIR/usr/sbin:$PATH"

export SDK="${BASEDIR}/SDKs/iPhoneOS.sdk"

## 32-bit iOS

export CFLAGS="-fembed-bitcode -O2 -mthumb -arch armv7 -isysroot ${SDK} -mios-version-min=${IOS_VERSION_MIN}"

export LDFLAGS="-fembed-bitcode -mthumb -arch armv7 -isysroot ${SDK} -mios-version-min=${IOS_VERSION_MIN}"

make distclean > /dev/null

./configure --host=arm-apple-darwin10 \

            --disable-shared \

            ${LIBSODIUM_ENABLE_MINIMAL_FLAG} \

            --prefix="$IOS32_PREFIX" || exit 1

make -j${PROCESSORS} install || exit 1

## 32-bit armv7s iOS

export CFLAGS="-fembed-bitcode -O2 -mthumb -arch armv7s -isysroot ${SDK} -mios-version-min=${IOS_VERSION_MIN}"

export LDFLAGS="-fembed-bitcode -mthumb -arch armv7s -isysroot ${SDK} -mios-version-min=${IOS_VERSION_MIN}"

make distclean > /dev/null

./configure --host=arm-apple-darwin10 \

            --disable-shared \

            ${LIBSODIUM_ENABLE_MINIMAL_FLAG} \

            --prefix="$IOS32s_PREFIX" || exit 1

make -j${PROCESSORS} install || exit 1

## 64-bit iOS

export CFLAGS="-fembed-bitcode -O2 -arch arm64 -isysroot ${SDK} -mios-version-min=${IOS_VERSION_MIN} -fembed-bitcode"

export LDFLAGS="-fembed-bitcode -arch arm64 -isysroot ${SDK} -mios-version-min=${IOS_VERSION_MIN} -fembed-bitcode"

make distclean > /dev/null

./configure --host=arm-apple-darwin10 \

            --disable-shared \

            ${LIBSODIUM_ENABLE_MINIMAL_FLAG} \

            --prefix="$IOS64_PREFIX" || exit 1

make -j${PROCESSORS} install || exit 1

# Create universal binary and include folder

rm -fr -- "$PREFIX/include" "$PREFIX/libsodium.a" 2> /dev/null

mkdir -p -- "$PREFIX/lib"

lipo -create \

  "$SIMULATOR32_PREFIX/lib/libsodium.a" \

  "$SIMULATOR64_PREFIX/lib/libsodium.a" \

  "$IOS32_PREFIX/lib/libsodium.a" \

  "$IOS32s_PREFIX/lib/libsodium.a" \

  "$IOS64_PREFIX/lib/libsodium.a" \

  -output "$PREFIX/lib/libsodium.a"

mv -f -- "$IOS32_PREFIX/include" "$PREFIX/"

echo

echo "libsodium has been installed into $PREFIX"

echo

file -- "$PREFIX/lib/libsodium.a"

# Cleanup

rm -rf -- "$PREFIX/tmp"

make distclean > /dev/null