JVM implementation

native/xconfigure.sh

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+
+#
+# Build for iOS 64bit-ARM variants and iOS Simulator
+# - Place the script at project root
+# - Customize MIN_IOS_VERSION and other flags as needed
+#
+# Test Environment
+# - macOS 10.14.6
+# - iOS 13.1
+# - Xcode 11.1
+#
+
+Build() {
+    # Ensure -fembed-bitcode builds, as workaround for libtool macOS bug
+    export MACOSX_DEPLOYMENT_TARGET="10.4"
+    # Get the correct toolchain for target platforms
+    export CC=$(xcrun --find --sdk "${SDK}" clang)
+    export CXX=$(xcrun --find --sdk "${SDK}" clang++)
+    export CPP=$(xcrun --find --sdk "${SDK}" cpp)
+    export CFLAGS="${HOST_FLAGS} ${OPT_FLAGS}"
+    export CXXFLAGS="${HOST_FLAGS} ${OPT_FLAGS}"
+    export LDFLAGS="${HOST_FLAGS}"
+
+    EXEC_PREFIX="${PLATFORMS}/${PLATFORM}"
+    ./configure \
+        --host="${CHOST}" \
+        --prefix="${PREFIX}" \
+        --exec-prefix="${EXEC_PREFIX}" \
+        --enable-static \
+        --disable-shared \
+        "$@"
+        # Avoid Xcode loading dylibs even when staticlibs exist
+
+    make clean
+    mkdir -p "${PLATFORMS}" &> /dev/null
+    make -j"${MAKE_JOBS}"
+    make install
+}
+
+echo "Cross building with configure args $@"
+
+# Locations
+ScriptDir="$( cd "$( dirname "$0" )" && pwd )"
+cd - &> /dev/null
+PREFIX="${ScriptDir}"/_build
+PLATFORMS="${PREFIX}"/platforms
+UNIVERSAL="${PREFIX}"/universal
+
+# Compiler options
+OPT_FLAGS="-O3 -g3 -fembed-bitcode"
+MAKE_JOBS=8
+MIN_IOS_VERSION=10.0
+
+# Build for platforms
+SDK="iphoneos"
+PLATFORM="arm"
+PLATFORM_ARM=${PLATFORM}
+ARCH_FLAGS="-arch arm64 -arch arm64e"  # -arch armv7 -arch armv7s
+HOST_FLAGS="${ARCH_FLAGS} -miphoneos-version-min=${MIN_IOS_VERSION} -isysroot $(xcrun --sdk ${SDK} --show-sdk-path)"
+CHOST="arm-apple-darwin"
+Build "$@"
+
+SDK="iphonesimulator"
+PLATFORM="x86_64-sim"
+PLATFORM_ISIM=${PLATFORM}
+ARCH_FLAGS="-arch x86_64"
+HOST_FLAGS="${ARCH_FLAGS} -mios-simulator-version-min=${MIN_IOS_VERSION} -isysroot $(xcrun --sdk ${SDK} --show-sdk-path)"
+CHOST="x86_64-apple-darwin"
+Build "$@"
+
+# Create universal binary
+cd "${PLATFORMS}/${PLATFORM_ARM}/lib"
+LIB_NAME=`find . -iname *.a`
+cd -
+mkdir -p "${UNIVERSAL}" &> /dev/null
+lipo -create -output "${UNIVERSAL}/${LIB_NAME}" "${PLATFORMS}/${PLATFORM_ARM}/lib/${LIB_NAME}" "${PLATFORMS}/${PLATFORM_ISIM}/lib/${LIB_NAME}"