Build script for potrace for iOS

build-potrace.sh

#!/bin/sh

#  Automatic build script for potrace 
#  for iPhoneOS and iPhoneSimulator
#
#  Created by Felix Schulze on 19.02.12.
#  Copyright 2012 Felix Schulze. All rights reserved.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#  http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#
###########################################################################
#  Change values here													  #
#																		  #
VERSION="1.11"                                                           #
SDKVERSION="7.1"                                                          #
MIN_VERSION="7.0"                                                         #
#																		  #
###########################################################################
#																		  #
# Don't change anything under this line!								  #
#																		  #
###########################################################################


CURRENTPATH=`pwd`
ARCHS="i386 x86_64 armv7 armv7s arm64"
DEVELOPER=`xcode-select -print-path`

set -e
if [ ! -e potrace-${VERSION}.tar.gz ]; then
	echo "Downloading potrace-${VERSION}.tar.gz"
	curl -O http://potrace.sourceforge.net/download/potrace-${VERSION}.tar.gz
else
	echo "Using potrace-${VERSION}.tar.gz"
fi

mkdir -p "${CURRENTPATH}/src"
mkdir -p "${CURRENTPATH}/bin"
mkdir -p "${CURRENTPATH}/lib"

for ARCH in ${ARCHS}
do
	tar zxf potrace-${VERSION}.tar.gz -C "${CURRENTPATH}/src"
	cd "${CURRENTPATH}/src/potrace-${VERSION}"

	if [[ "${ARCH}" == "i386" || "${ARCH}" == "x86_64" ]];
	then
		PLATFORM="iPhoneSimulator"
	else
		PLATFORM="iPhoneOS"
	fi
	
	echo "Building potrace-${VERSION} for ${PLATFORM} ${SDKVERSION} ${ARCH}"
	echo "Please stand by..."
	
	export DEVROOT="${DEVELOPER}/Platforms/${PLATFORM}.platform/Developer"
	export SDKROOT="${DEVROOT}/SDKs/${PLATFORM}${SDKVERSION}.sdk"

    export LD=${DEVELOPER}/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld
    export CC=${DEVELOPER}/usr/bin/gcc
    export CXX=${DEVELOPER}/usr/bin/g++

    export AR=${DEVELOPER}/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar
    export AS=${DEVELOPER}/Toolchains/XcodeDefault.xctoolchain/usr/bin/as
    export NM=${DEVELOPER}/Toolchains/XcodeDefault.xctoolchain/usr/bin/nm
    export RANLIB=${DEVELOPER}/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib

    export LDFLAGS="-arch ${ARCH} -pipe -no-cpp-precomp -isysroot ${SDKROOT} -L${CURRENTPATH}/lib -miphoneos-version-min=${MIN_VERSION} -fheinous-gnu-extensions"
    export CFLAGS="-arch ${ARCH} -pipe -no-cpp-precomp -isysroot ${SDKROOT} -I${CURRENTPATH}/include -miphoneos-version-min=${MIN_VERSION} -fheinous-gnu-extensions"
    export CPPFLAGS="-arch ${ARCH} -pipe -no-cpp-precomp -isysroot ${SDKROOT} -I${CURRENTPATH}/include -miphoneos-version-min=${MIN_VERSION} -fheinous-gnu-extensions"
    export CXXFLAGS="-arch ${ARCH} -pipe -no-cpp-precomp -isysroot ${SDKROOT} -I${CURRENTPATH}/include -miphoneos-version-min=${MIN_VERSION} -fheinous-gnu-extensions"

    HOST="${ARCH}"
    if [ "${ARCH}" == "arm64" ];
    then
        HOST="aarch64"

        #Fetch a recent config.sub
        curl -o config.sub "http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD"
    fi

	mkdir -p "${CURRENTPATH}/bin/${PLATFORM}${SDKVERSION}-${ARCH}.sdk"
	LOG="${CURRENTPATH}/bin/${PLATFORM}${SDKVERSION}-${ARCH}.sdk/build-potrace-${VERSION}.log"

    echo "Configure..."
	./configure --host="${HOST}-apple-darwin" --prefix="${CURRENTPATH}/bin/${PLATFORM}${SDKVERSION}-${ARCH}.sdk" --disable-shared --enable-static --with-libpotrace > "${LOG}" 2>&1
    echo "Make..."
    make -j4 >> "${LOG}" 2>&1
    echo "Make install..."
    make install >> "${LOG}" 2>&1
	cd "${CURRENTPATH}"
	rm -rf "${CURRENTPATH}/src/potrace-${VERSION}"
done

echo "Build library..."
lipo -create ${CURRENTPATH}/bin/iPhoneSimulator${SDKVERSION}-i386.sdk/lib/libpotrace.a ${CURRENTPATH}/bin/iPhoneSimulator${SDKVERSION}-x86_64.sdk/lib/libpotrace.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7.sdk/lib/libpotrace.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-armv7s.sdk/lib/libpotrace.a ${CURRENTPATH}/bin/iPhoneOS${SDKVERSION}-arm64.sdk/lib/libpotrace.a -output ${CURRENTPATH}/lib/libpotrace.a
lipo -info ${CURRENTPATH}/lib/libpotrace.a
mkdir -p ${CURRENTPATH}/include/potrace
cp  ${CURRENTPATH}/bin/iPhoneSimulator${SDKVERSION}-i386.sdk/include/potrace* ${CURRENTPATH}/include/potrace
echo "Building done."
echo "Done."