add ios build scripts

builds/ios/README.md

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+# iOS Build
+
+## Prerequisites
+
+The build script require to be run on MacOs with XCode and the developer SDK installed.
+
+This project is tested against SDK 15.5.
+
+If you want to specify another version you need to set the environment variable below:
+
+    export SDK_VERSION=15.5
+
+You can list all the versions of the SDK installed on your Mac using the command below:
+
+    xcodebuild -showsdks
+
+## Build
+
+In the ios directory, run:
+    ./build.sh [ iPhoneOS armv7 | iPhoneOS armv7s | iPhoneOS arm64 | iPhoneSimulator i386 | iPhoneSimulator x86_64 ]
+
+Note that certain target architectures may or may not be available depending on your target SDK Version. For example, iOS 10 is the maximum deployment target for 32-bit targets.
+
+[This website](https://docs.elementscompiler.com/Platforms/Cocoa/CpuArchitectures/) can help you choose which architecture you need to target depending on your SDK version.

builds/ios/build.sh

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+#!/usr/bin/env bash
+################################################################################
+#  THIS FILE IS 100% GENERATED BY ZPROJECT; DO NOT EDIT EXCEPT EXPERIMENTALLY  #
+#  Read the zproject/README.md for information about making permanent changes. #
+################################################################################
+
+set -e
+
+function usage {
+    echo "Usage ./build.sh [ iPhoneOS armv7 | iPhoneOS armv7s | iPhoneOS arm64 | iPhoneSimulator i386 | iPhoneSimulator x86_64 ]"
+}
+
+PLATFORM=$1
+if [ -z PLATFORM ]; then
+    usage
+    exit 1
+fi
+
+if [[ $PLATFORM == "iPhoneOS" ]]; then
+    SDK="iphoneos"
+elif [[ $PLATFORM == "iPhoneSimulator" ]]; then
+    SDK="iphonesimulator"
+else
+    echo "Unknown platform '$PLATFORM'"
+    usage
+    exit 1
+fi
+
+TARGET=$2
+if [ -z $TARGET ]; then
+    usage
+    exit 1
+fi
+
+if [[ $TARGET == "x86_64" ]]; then
+    HOST="i386"
+elif [[ $TARGET == "arm64" ]]; then
+    HOST="arm"
+else
+    HOST=$TARGET
+fi
+
+export SDK_VERSION=${SDK_VERSION:-"15.5"}
+
+PLATFORM_PATH="/Applications/Xcode.app/Contents/Developer/Platforms"
+TOOLCHAIN_PATH="/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin"
+SYSROOT=$PLATFORM_PATH/$PLATFORM.platform/Developer/SDKs/$PLATFORM$SDK_VERSION.sdk
+OUTPUT_DIR=output/$PLATFORM/$TARGET
+PWD="$(pwd)"
+
+export CC="$(xcrun -sdk $SDK -find clang)"
+export CPP="$CC -E"
+export AR="$(xcrun -sdk $SDK -find ar)"
+export RANLIB="$(xcrun -sdk $SDK -find ranlib)"
+export CFLAGS="-arch $TARGET -isysroot $SYSROOT -miphoneos-version-min=$SDK_VERSION -fembed-bitcode"
+export CPPFLAGS="-arch $TARGET -isysroot $SYSROOT -miphoneos-version-min=$SDK_VERSION -fembed-bitcode"
+export LDFLAGS="-arch $TARGET -isysroot $SYSROOT"
+
+cd ../../
+mkdir -p $OUTPUT_DIR
+./autogen.sh
+./configure --prefix="$PWD/$OUTPUT_DIR" --host=$HOST-apple-darwin
+make
+make install
+
+echo "$PLATFORM $TARGET build successful"
+################################################################################
+#  THIS FILE IS 100% GENERATED BY ZPROJECT; DO NOT EDIT EXCEPT EXPERIMENTALLY  #
+#  Read the zproject/README.md for information about making permanent changes. #
+################################################################################

builds/ios/ci_build.sh

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+#!/usr/bin/env bash
+################################################################################
+#  THIS FILE IS 100% GENERATED BY ZPROJECT; DO NOT EDIT EXCEPT EXPERIMENTALLY  #
+#  Read the zproject/README.md for information about making permanent changes. #
+################################################################################
+
+#./build.sh "iPhoneOS" "armv7" # Only available with SDK_VERSION <= 10
+#./build.sh "iPhoneOS" "armv7s" # Only available with SDK_VERSION <= 10
+./build.sh "iPhoneOS" "arm64"
+#./build.sh "iPhoneSimulator" "i386" # Only available with SDK_VERSION <= 10
+./build.sh "iPhoneSimulator" "x86_64"
+
+################################################################################
+#  THIS FILE IS 100% GENERATED BY ZPROJECT; DO NOT EDIT EXCEPT EXPERIMENTALLY  #
+#  Read the zproject/README.md for information about making permanent changes. #
+################################################################################