mirror of
https://github.com/webmproject/libwebp.git
synced 2024-12-25 13:18:22 +01:00
130 lines
3.9 KiB
Bash
Executable File
130 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
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#
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# This script generates 'WebP.framework' and 'WebPDecoder.framework'. An iOS
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# app can decode WebP images by including 'WebPDecoder.framework' and both
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# encode and decode WebP images by including 'WebP.framework'.
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#
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# Run ./iosbuild.sh to generate the frameworks under the current directory
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# (the previous build will be erased if it exists).
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#
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# This script is inspired by the build script written by Carson McDonald.
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# (http://www.ioncannon.net/programming/1483/using-webp-to-reduce-native-ios-app-size/).
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set -e
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# Extract the latest SDK version from the final field of the form: iphoneosX.Y
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readonly SDK=$(xcodebuild -showsdks \
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| grep iphoneos | sort | tail -n 1 | awk '{print substr($NF, 9)}'
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)
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# Extract Xcode version.
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readonly XCODE=$(xcodebuild -version | grep Xcode | cut -d " " -f2)
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if [[ -z "${XCODE}" ]]; then
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echo "Xcode not available"
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exit 1
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fi
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readonly OLDPATH=${PATH}
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# Add iPhoneOS-V6 to the list of platforms below if you need armv6 support.
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# Note that iPhoneOS-V6 support is not available with the iOS6 SDK.
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PLATFORMS="iPhoneSimulator iPhoneSimulator64"
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PLATFORMS+=" iPhoneOS-V7 iPhoneOS-V7s iPhoneOS-V7-arm64"
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readonly PLATFORMS
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readonly SRCDIR=$(dirname $0)
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readonly TOPDIR=$(pwd)
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readonly BUILDDIR="${TOPDIR}/iosbuild"
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readonly TARGETDIR="${TOPDIR}/WebP.framework"
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readonly DECTARGETDIR="${TOPDIR}/WebPDecoder.framework"
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readonly DEVELOPER=$(xcode-select --print-path)
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readonly PLATFORMSROOT="${DEVELOPER}/Platforms"
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readonly LIPO=$(xcrun -sdk iphoneos${SDK} -find lipo)
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LIBLIST=''
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DECLIBLIST=''
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if [[ -z "${SDK}" ]]; then
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echo "iOS SDK not available"
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exit 1
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elif [[ ${SDK%%.*} -gt 8 ]]; then
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EXTRA_CFLAGS="-fembed-bitcode"
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elif [[ ${SDK} < 6.0 ]]; then
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echo "You need iOS SDK version 6.0 or above"
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exit 1
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else
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echo "iOS SDK Version ${SDK}"
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fi
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rm -rf ${BUILDDIR} ${TARGETDIR} ${DECTARGETDIR}
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mkdir -p ${BUILDDIR} ${TARGETDIR}/Headers/ ${DECTARGETDIR}/Headers/
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if [[ ! -e ${SRCDIR}/configure ]]; then
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if ! (cd ${SRCDIR} && sh autogen.sh); then
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cat <<EOT
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Error creating configure script!
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This script requires the autoconf/automake and libtool to build. MacPorts can
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be used to obtain these:
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http://www.macports.org/install.php
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EOT
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exit 1
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fi
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fi
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for PLATFORM in ${PLATFORMS}; do
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ARCH2=""
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if [[ "${PLATFORM}" == "iPhoneOS-V7-arm64" ]]; then
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PLATFORM="iPhoneOS"
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ARCH="aarch64"
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ARCH2="arm64"
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elif [[ "${PLATFORM}" == "iPhoneOS-V7s" ]]; then
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PLATFORM="iPhoneOS"
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ARCH="armv7s"
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elif [[ "${PLATFORM}" == "iPhoneOS-V7" ]]; then
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PLATFORM="iPhoneOS"
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ARCH="armv7"
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elif [[ "${PLATFORM}" == "iPhoneOS-V6" ]]; then
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PLATFORM="iPhoneOS"
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ARCH="armv6"
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elif [[ "${PLATFORM}" == "iPhoneSimulator64" ]]; then
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PLATFORM="iPhoneSimulator"
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ARCH="x86_64"
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else
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ARCH="i386"
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fi
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ROOTDIR="${BUILDDIR}/${PLATFORM}-${SDK}-${ARCH}"
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mkdir -p "${ROOTDIR}"
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DEVROOT="${DEVELOPER}/Toolchains/XcodeDefault.xctoolchain"
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SDKROOT="${PLATFORMSROOT}/"
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SDKROOT+="${PLATFORM}.platform/Developer/SDKs/${PLATFORM}${SDK}.sdk/"
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CFLAGS="-arch ${ARCH2:-${ARCH}} -pipe -isysroot ${SDKROOT} -O3 -DNDEBUG"
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CFLAGS+=" -miphoneos-version-min=6.0 ${EXTRA_CFLAGS}"
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set -x
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export PATH="${DEVROOT}/usr/bin:${OLDPATH}"
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${SRCDIR}/configure --host=${ARCH}-apple-darwin --prefix=${ROOTDIR} \
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--build=$(${SRCDIR}/config.guess) \
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--disable-shared --enable-static \
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--enable-libwebpdecoder --enable-swap-16bit-csp \
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CFLAGS="${CFLAGS}"
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set +x
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# run make only in the src/ directory to create libwebp.a/libwebpdecoder.a
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cd src/
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make V=0
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make install
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LIBLIST+=" ${ROOTDIR}/lib/libwebp.a"
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DECLIBLIST+=" ${ROOTDIR}/lib/libwebpdecoder.a"
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make clean
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cd ..
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export PATH=${OLDPATH}
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done
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cp -a ${SRCDIR}/src/webp/{decode,encode,types}.h ${TARGETDIR}/Headers/
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${LIPO} -create ${LIBLIST} -output ${TARGETDIR}/WebP
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cp -a ${SRCDIR}/src/webp/{decode,types}.h ${DECTARGETDIR}/Headers/
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${LIPO} -create ${DECLIBLIST} -output ${DECTARGETDIR}/WebPDecoder
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