#!/bin/bash # # Written and maintained by the.arul@gmail.com (2014) # BUILD_DIR="./lib/iOS" ################################### # SDK Version ################################### IOS_SDK_VERSION=$(xcodebuild -version -sdk iphoneos | grep SDKVersion | cut -f2 -d ':' | tr -d '[[:space:]]') ################################### ################################### # BUILD Configuration ################################### BUILD_SHARED_LIBS=OFF BUILD_TYPE=Release ################################################ # Minimum iOS deployment target version ################################################ MIN_IOS_VERSION="10.0" IOS_SDK_TARGET=$MIN_IOS_VERSION XCODE_ROOT_DIR=$(xcode-select --print-path) TOOLCHAIN=$XCODE_ROOT_DIR/Toolchains/XcodeDefault.xctoolchain CMAKE_C_COMPILER=$(xcrun -find cc) CMAKE_CXX_COMPILER=$(xcrun -find c++) BUILD_ARCHS_DEVICE="arm64e arm64 armv7s armv7" BUILD_ARCHS_SIMULATOR="x86_64 i386" BUILD_ARCHS_ALL=($BUILD_ARCHS_DEVICE $BUILD_ARCHS_SIMULATOR) CPP_DEV_TARGET_LIST=(miphoneos-version-min mios-simulator-version-min) CPP_DEV_TARGET= CPP_STD_LIB_LIST=(libc++ libstdc++) CPP_STD_LIB= CPP_STD_LIST=(c++11 c++14) CPP_STD=c++11 function join { local IFS="$1"; shift; echo "$*"; } build_arch() { IOS_SDK_DEVICE=iPhoneOS CPP_DEV_TARGET=${CPP_DEV_TARGET_LIST[0]} if [[ "$BUILD_ARCHS_SIMULATOR" =~ "$1" ]] then echo '[!] Target SDK set to SIMULATOR.' IOS_SDK_DEVICE=iPhoneSimulator CPP_DEV_TARGET=${CPP_DEV_TARGET_LIST[1]} else echo '[!] Target SDK set to DEVICE.' fi unset DEVROOT SDKROOT CFLAGS LDFLAGS CPPFLAGS CXXFLAGS CMAKE_CLI_INPUT export CC="$(xcrun -sdk iphoneos -find clang)" export CPP="$CC -E" export DEVROOT=$XCODE_ROOT_DIR/Platforms/$IOS_SDK_DEVICE.platform/Developer export SDKROOT=$DEVROOT/SDKs/$IOS_SDK_DEVICE$IOS_SDK_VERSION.sdk export CFLAGS="-arch $1 -pipe -no-cpp-precomp -isysroot $SDKROOT -I$SDKROOT/usr/include/ -miphoneos-version-min=$IOS_SDK_TARGET" if [[ "$BUILD_TYPE" =~ "Debug" ]]; then export CFLAGS="$CFLAGS -Og" else export CFLAGS="$CFLAGS -O3" fi export LDFLAGS="-arch $1 -isysroot $SDKROOT -L$SDKROOT/usr/lib/" export CPPFLAGS="$CFLAGS" export CXXFLAGS="$CFLAGS -std=$CPP_STD" rm CMakeCache.txt CMAKE_CLI_INPUT="-DCMAKE_C_COMPILER=$CMAKE_C_COMPILER -DCMAKE_CXX_COMPILER=$CMAKE_CXX_COMPILER -DCMAKE_TOOLCHAIN_FILE=./port/iOS/IPHONEOS_$(echo $1 | tr '[:lower:]' '[:upper:]')_TOOLCHAIN.cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DBUILD_SHARED_LIBS=$BUILD_SHARED_LIBS -DASSIMP_BUILD_ZLIB=ON" echo "[!] Running CMake with -G 'Unix Makefiles' $CMAKE_CLI_INPUT" cmake -G 'Unix Makefiles' ${CMAKE_CLI_INPUT} echo "[!] Building $1 library" xcrun -run make clean xcrun -run make assimp -j 8 -l if [[ "$BUILD_SHARED_LIBS" =~ "ON" ]]; then echo "[!] Moving built dynamic libraries into: $BUILD_DIR/$1/" mv ./lib/*.dylib $BUILD_DIR/$1/ fi echo "[!] Moving built static libraries into: $BUILD_DIR/$1/" mv ./lib/*.a $BUILD_DIR/$1/ } echo "[!] $0 - assimp iOS build script" CPP_STD_LIB=${CPP_STD_LIB_LIST[0]} CPP_STD=${CPP_STD_LIST[0]} DEPLOY_ARCHS=${BUILD_ARCHS_ALL[*]} DEPLOY_FAT=1 DEPLOY_XCFramework=1 for i in "$@"; do case $i in -s=*|--std=*) CPP_STD=`echo $i | sed 's/[-a-zA-Z0-9]*=//'` echo "[!] Selecting c++ standard: $CPP_STD" ;; -l=*|--stdlib=*) CPP_STD_LIB=`echo $i | sed 's/[-a-zA-Z0-9]*=//'` echo "[!] Selecting c++ std lib: $CPP_STD_LIB" ;; -a=*|--archs=*) DEPLOY_ARCHS=`echo $i | sed 's/[-a-zA-Z0-9]*=//'` echo "[!] Selecting architectures: $DEPLOY_ARCHS" ;; --min-version=*) MIN_IOS_VERSION=`echo $i | sed 's/[-a-zA-Z0-9]*=//'` IOS_SDK_TARGET=$MIN_IOS_VERSION echo "[!] Selecting minimum iOS version: $MIN_IOS_VERSION" ;; --debug) BUILD_TYPE=Debug echo "[!] Selecting build type: Debug" ;; --shared-lib) BUILD_SHARED_LIBS=ON echo "[!] Will generate dynamic libraries" ;; -n|--no-fat) DEPLOY_FAT=0 echo "[!] Fat binary will not be created." ;; --no-xcframework) DEPLOY_XCFramework=0 echo "[!] XCFramework will not be created." ;; -h|--help) echo " - don't build fat library (--no-fat)." echo " - don't build XCFramework (--no-xcframework)." echo " - Include debug information and symbols, no compiler optimizations (--debug)." echo " - generate dynamic libraries rather than static ones (--shared-lib)." echo " - supported architectures (--archs): $(echo $(join , ${BUILD_ARCHS_ALL[*]}) | sed 's/,/, /g')" echo " - minimum iOS version (--min-version): 16.0" echo " - supported C++ STD libs (--stdlib): $(echo $(join , ${CPP_STD_LIB_LIST[*]}) | sed 's/,/, /g')" echo " - supported C++ standards (--std): $(echo $(join , ${CPP_STD_LIST[*]}) | sed 's/,/, /g')" exit ;; *) ;; esac done cd ../../ rm -rf $BUILD_DIR for ARCH_TARGET in $DEPLOY_ARCHS; do echo "Creating folder: $BUILD_DIR/$ARCH_TARGET" mkdir -p $BUILD_DIR/$ARCH_TARGET echo "Building for arc: $ARCH_TARGET" build_arch $ARCH_TARGET #rm ./lib/libassimp.a done make_fat_static_or_shared_binary() { LIB_NAME=$1 LIPO_ARGS='' for ARCH_TARGET in $DEPLOY_ARCHS; do if [[ "$BUILD_SHARED_LIBS" =~ "ON" ]]; then LIPO_ARGS="$LIPO_ARGS-arch $ARCH_TARGET $BUILD_DIR/$ARCH_TARGET/$LIB_NAME.dylib " else LIPO_ARGS="$LIPO_ARGS-arch $ARCH_TARGET $BUILD_DIR/$ARCH_TARGET/$LIB_NAME.a " fi done if [[ "$BUILD_SHARED_LIBS" =~ "ON" ]]; then LIPO_ARGS="$LIPO_ARGS -create -output $BUILD_DIR/$LIB_NAME-fat.dylib" else LIPO_ARGS="$LIPO_ARGS -create -output $BUILD_DIR/$LIB_NAME-fat.a" fi lipo $LIPO_ARGS } make_fat_static_binary() { LIB_NAME=$1 LIPO_ARGS='' for ARCH_TARGET in $DEPLOY_ARCHS; do LIPO_ARGS="$LIPO_ARGS-arch $ARCH_TARGET $BUILD_DIR/$ARCH_TARGET/$LIB_NAME.a " done LIPO_ARGS="$LIPO_ARGS -create -output $BUILD_DIR/$LIB_NAME-fat.a" lipo $LIPO_ARGS } if [[ "$DEPLOY_FAT" -eq 1 ]]; then echo '[+] Creating fat binaries ...' if [[ "$BUILD_TYPE" =~ "Debug" ]]; then make_fat_static_or_shared_binary 'libassimpd' else make_fat_static_or_shared_binary 'libassimp' fi echo "[!] Done! The fat binaries can be found at $BUILD_DIR" fi make_xcframework() { LIB_NAME=$1 FRAMEWORK_PATH=$BUILD_DIR/$LIB_NAME.xcframework ARGS = "" for ARCH_TARGET in $DEPLOY_ARCHS; do if [[ "$BUILD_SHARED_LIBS" =~ "ON" ]]; then ARGS="$ARGS -library $BUILD_DIR/$ARCH_TARGET/$LIB_NAME.dylib -headers ./include " else ARGS="$ARGS -library $BUILD_DIR/$ARCH_TARGET/$LIB_NAME.a -headers ./include " fi done xcodebuild -create-xcframework $ARGS -output $FRAMEWORK_PATH } if [[ "$DEPLOY_XCFramework" -eq 1 ]]; then echo '[+] Creating XCFramework ...' if [[ "$BUILD_TYPE" =~ "Debug" ]]; then make_xcframework 'libassimpd' else make_xcframework 'libassimp' fi echo "[!] Done! The XCFramework can be found at $BUILD_DIR" fi