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July 6, 2024 17:15
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Build Opus Audio Codec for iOS
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| #!/bin/bash | |
| VERSION="1.5.2" | |
| SDKVERSION="17.0" | |
| MINIOSVERSION="10.0" | |
| ########################################################################### | |
| # | |
| # Don't change anything under this line! | |
| # | |
| ########################################################################### | |
| # by default, we won't build for debugging purposes | |
| if [ "${DEBUG}" == "true" ]; then | |
| echo "Compiling for debugging ..." | |
| OPT_CFLAGS="-O0 -fno-inline -g" | |
| OPT_LDFLAGS="" | |
| OPT_CONFIG_ARGS="--enable-assertions --disable-asm" | |
| else | |
| OPT_CFLAGS="-Ofast -flto" | |
| OPT_LDFLAGS="-flto" | |
| OPT_CONFIG_ARGS="" | |
| fi | |
| ARCHS="arm64 x86_64" | |
| DEVELOPER=`xcode-select -print-path` | |
| DEVELOPER_SDK=`xcrun --sdk iphoneos --show-sdk-path` | |
| SIMULATOR_SDK=`xcrun --sdk iphonesimulator --show-sdk-path` | |
| cd "`dirname \"$0\"`" | |
| REPOROOT=$(pwd) | |
| # Where we'll end up storing things in the end | |
| OUTPUTDIR="${REPOROOT}/opus" | |
| mkdir -p ${OUTPUTDIR}/include | |
| mkdir -p ${OUTPUTDIR}/lib | |
| BUILDDIR="${REPOROOT}/build" | |
| # where we will keep our sources and build from. | |
| SRCDIR="${BUILDDIR}/src" | |
| mkdir -p $SRCDIR | |
| # where we will store intermediary builds | |
| INTERDIR="${BUILDDIR}/built" | |
| mkdir -p $INTERDIR | |
| ######################################## | |
| cd $SRCDIR | |
| # Exit the script if an error happens | |
| set -e | |
| if [ ! -e "${SRCDIR}/opus-${VERSION}.tar.gz" ]; then | |
| echo "Downloading opus-${VERSION}.tar.gz" | |
| curl -LO http://downloads.xiph.org/releases/opus/opus-${VERSION}.tar.gz | |
| fi | |
| echo "Using opus-${VERSION}.tar.gz" | |
| tar zxf opus-${VERSION}.tar.gz -C $SRCDIR | |
| cd "${SRCDIR}/opus-${VERSION}" | |
| set +e # don't bail out of bash script if ccache doesn't exist | |
| CCACHE=`which ccache` | |
| if [ $? == "0" ]; then | |
| echo "Building with ccache: $CCACHE" | |
| CCACHE="${CCACHE} " | |
| else | |
| echo "Building without ccache" | |
| CCACHE="" | |
| fi | |
| set -e # back to regular "bail out on error" mode | |
| export ORIGINALPATH=$PATH | |
| for ARCH in ${ARCHS} | |
| do | |
| if [ "${ARCH}" == "x86_64" ]; then | |
| PLATFORM="iPhoneSimulator" | |
| SDK_PATH=$SIMULATOR_SDK | |
| EXTRA_CONFIG="--host=x86_64-apple-darwin" | |
| else | |
| PLATFORM="iPhoneOS" | |
| SDK_PATH=$DEVELOPER_SDK | |
| EXTRA_CONFIG="--host=aarch64-apple-darwin" | |
| fi | |
| EXTRA_CFLAGS="-arch ${ARCH} -miphoneos-version-min=${MINIOSVERSION}" | |
| mkdir -p "${INTERDIR}/${PLATFORM}${SDKVERSION}-${ARCH}.sdk" | |
| ./configure --disable-shared --enable-static --with-pic --disable-extra-programs --disable-doc --enable-float-approx ${EXTRA_CONFIG} \ | |
| --prefix="${INTERDIR}/${PLATFORM}${SDKVERSION}-${ARCH}.sdk" \ | |
| LDFLAGS="$LDFLAGS ${OPT_LDFLAGS} -fPIE -L${OUTPUTDIR}/lib -lSystem" \ | |
| CFLAGS="$CFLAGS ${EXTRA_CFLAGS} ${OPT_CFLAGS} -fPIE -I${OUTPUTDIR}/include -isysroot ${SDK_PATH}" | |
| # Build the application and install it to the fake SDK intermediary dir | |
| # we have set up. Make sure to clean up afterward because we will re-use | |
| # this source tree to cross-compile other targets. | |
| make -j4 | |
| make install | |
| make clean | |
| done | |
| ######################################## | |
| echo "Build library..." | |
| # These are the libs that comprise libopus. | |
| OUTPUT_LIBS="libopus.a" | |
| for OUTPUT_LIB in ${OUTPUT_LIBS}; do | |
| INPUT_LIBS="" | |
| for ARCH in ${ARCHS}; do | |
| if [ "${ARCH}" == "x86_64" ]; then | |
| PLATFORM="iPhoneSimulator" | |
| else | |
| PLATFORM="iPhoneOS" | |
| fi | |
| INPUT_ARCH_LIB="${INTERDIR}/${PLATFORM}${SDKVERSION}-${ARCH}.sdk/lib/${OUTPUT_LIB}" | |
| if [ -e $INPUT_ARCH_LIB ]; then | |
| INPUT_LIBS="${INPUT_LIBS} ${INPUT_ARCH_LIB}" | |
| fi | |
| done | |
| # Combine the three architectures into a universal library. | |
| if [ -n "$INPUT_LIBS" ]; then | |
| lipo -create $INPUT_LIBS \ | |
| -output "${OUTPUTDIR}/lib/${OUTPUT_LIB}" | |
| else | |
| echo "$OUTPUT_LIB does not exist, skipping (are the dependencies installed?)" | |
| fi | |
| done | |
| for ARCH in ${ARCHS}; do | |
| if [ "${ARCH}" == "x86_64" ]; then | |
| PLATFORM="iPhoneSimulator" | |
| else | |
| PLATFORM="iPhoneOS" | |
| fi | |
| cp -R ${INTERDIR}/${PLATFORM}${SDKVERSION}-${ARCH}.sdk/include/* ${OUTPUTDIR}/include/ | |
| if [ $? == "0" ]; then | |
| # We only need to copy the headers over once. (So break out of forloop | |
| # once we get first success.) | |
| break | |
| fi | |
| done | |
| #################### | |
| echo "Building done." | |
| echo "Cleaning up..." | |
| rm -fr ${INTERDIR} | |
| rm -fr "${SRCDIR}/opus-${VERSION}" | |
| rm -rf "${BUILDDIR}" | |
| echo "Done." |
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