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#!/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 $1 -pipe -no-cpp-precomp -stdlib=$CPP_STD_LIB -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 -DENABLE_BOOST_WORKAROUND=ON -DBUILD_SHARED_LIBS=$BUILD_SHARED_LIBS"
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
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"
;;
--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."
;;
-h|--help)
echo " - don't build fat library (--no-fat)."
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 " - 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'
make_fat_static_binary 'libIrrXMLd'
make_fat_static_binary 'libzlibstaticd'
else
make_fat_static_or_shared_binary 'libassimp'
make_fat_static_binary 'libIrrXML'
make_fat_static_binary 'libzlibstatic'
fi
echo "[!] Done! The fat binaries can be found at $BUILD_DIR"
fi
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