mirror of https://github.com/oxen-io/session-ios
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261 lines
11 KiB
Bash
261 lines
11 KiB
Bash
#!/bin/bash
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# XCode will error during it's dependency graph construction (which happens before the build
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# stage starts and any target "Run Script" phases are triggered)
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#
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# In order to avoid this error we need to build the framework before actually getting to the
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# build stage so XCode is able to build the dependency graph
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#
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# XCode's Pre-action scripts don't output anything into XCode so the only way to emit a useful
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# error is to **return a success status** and have the project detect and log the error itself
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# then log it, stopping the build at that point
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#
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# The other step to get this to work properly is to ensure the framework in "Link Binary with
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# Libraries" isn't using a relative directory, unfortunately there doesn't seem to be a good
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# way to do this directly so we need to modify the '.pbxproj' file directly, updating the
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# framework entry to have the following (on a single line):
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# {
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# isa = PBXFileReference;
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# explicitFileType = wrapper.xcframework;
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# includeInIndex = 0;
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# path = "{FRAMEWORK NAME GOES HERE}";
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# sourceTree = BUILD_DIR;
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# };
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#
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# Note: We might one day be able to replace this with a local podspec if this GitHub feature
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# request ever gets implemented: https://github.com/CocoaPods/CocoaPods/issues/8464
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# Need to set the path or we won't find cmake
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PATH=${PATH}:/usr/local/bin:/opt/homebrew/bin:/sbin/md5
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exec 3>&1 # Save original stdout
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# Ensure the build directory exists (in case we need it before XCode creates it)
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mkdir -p "${TARGET_BUILD_DIR}/libSessionUtil"
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# Remove any old build errors
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rm -rf "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_output.log"
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# Restore stdout and stderr and redirect it to the 'libsession_util_output.log' file
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exec &> "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_output.log"
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# Define a function to echo a message.
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function echo_message() {
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exec 1>&3 # Restore stdout
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echo "$1"
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exec >> "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_output.log" # Redirect all output to the log file
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}
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echo_message "info: Validating build requirements"
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set -x
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# Ensure the build directory exists (in case we need it before XCode creates it)
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mkdir -p "${TARGET_BUILD_DIR}"
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if ! which cmake > /dev/null; then
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echo_message "error: cmake is required to build, please install (can install via homebrew with 'brew install cmake')."
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exit 0
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fi
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# Check if we have the `LibSession-Util` submodule checked out and if not (depending on the 'SHOULD_AUTO_INIT_SUBMODULES' argument) perform the checkout
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if [ ! -d "${SRCROOT}/LibSession-Util" ] || [ ! -d "${SRCROOT}/LibSession-Util/src" ] || [ ! "$(ls -A "${SRCROOT}/LibSession-Util")" ]; then
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echo_message "error: Need to fetch LibSession-Util submodule (git submodule update --init --recursive)."
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exit 0
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else
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are_submodules_valid() {
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local PARENT_PATH=$1
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local RELATIVE_PATH=$2
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# Change into the path to check for it's submodules
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cd "${PARENT_PATH}"
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local SUB_MODULE_PATHS=($(git config --file .gitmodules --get-regexp path | awk '{ print $2 }'))
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# If there are no submodules then return success based on whether the folder has any content
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if [ ${#SUB_MODULE_PATHS[@]} -eq 0 ]; then
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if [[ ! -z "$(ls -A "${PARENT_PATH}")" ]]; then
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return 0
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else
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return 1
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fi
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fi
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# Loop through the child submodules and check if they are valid
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for i in "${!SUB_MODULE_PATHS[@]}"; do
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local CHILD_PATH="${SUB_MODULE_PATHS[$i]}"
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# If the child path doesn't exist then it's invalid
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if [ ! -d "${PARENT_PATH}/${CHILD_PATH}" ]; then
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echo_message "info: Submodule '${RELATIVE_PATH}/${CHILD_PATH}' doesn't exist."
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return 1
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fi
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are_submodules_valid "${PARENT_PATH}/${CHILD_PATH}" "${RELATIVE_PATH}/${CHILD_PATH}"
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local RESULT=$?
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if [ "${RESULT}" -eq 1 ]; then
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echo_message "info: Submodule '${RELATIVE_PATH}/${CHILD_PATH}' is in an invalid state."
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return 1
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fi
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done
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return 0
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}
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# Validate the state of the submodules
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are_submodules_valid "${SRCROOT}/LibSession-Util" "LibSession-Util"
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HAS_INVALID_SUBMODULE=$?
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if [ "${HAS_INVALID_SUBMODULE}" -eq 1 ]; then
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echo_message "error: Submodules are in an invalid state, please delete 'LibSession-Util' and run 'git submodule update --init --recursive'."
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exit 0
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fi
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fi
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# Generate a hash of the libSession-util source files and check if they differ from the last hash
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echo "info: Checking for changes to source"
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NEW_SOURCE_HASH=$(find "${SRCROOT}/LibSession-Util/src" -type f -exec md5 {} + | awk '{print $NF}' | sort | md5 | awk '{print $NF}')
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NEW_HEADER_HASH=$(find "${SRCROOT}/LibSession-Util/include" -type f -exec md5 {} + | awk '{print $NF}' | sort | md5 | awk '{print $NF}')
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if [ -f "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_source_hash.log" ]; then
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read -r OLD_SOURCE_HASH < "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_source_hash.log"
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fi
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if [ -f "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_header_hash.log" ]; then
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read -r OLD_HEADER_HASH < "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_header_hash.log"
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fi
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if [ -f "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_archs.log" ]; then
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read -r OLD_ARCHS < "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_archs.log"
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fi
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# If all of the hashes match, the archs match and there is a library file then we can just stop here
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if [ "${NEW_SOURCE_HASH}" == "${OLD_SOURCE_HASH}" ] && [ "${NEW_HEADER_HASH}" == "${OLD_HEADER_HASH}" ] && [ "${ARCHS[*]}" == "${OLD_ARCHS}" ] && [ -f "${TARGET_BUILD_DIR}/libSessionUtil/libSessionUtil.a" ]; then
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echo_message "info: Build is up-to-date"
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exit 0
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fi
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# If any of the above differ then we need to rebuild
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echo_message "info: Build is not up-to-date - creating new build"
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# Import settings from XCode (defaulting values if not present)
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VALID_SIM_ARCHS=(arm64 x86_64)
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VALID_DEVICE_ARCHS=(arm64)
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VALID_SIM_ARCH_PLATFORMS=(SIMULATORARM64 SIMULATOR64)
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VALID_DEVICE_ARCH_PLATFORMS=(OS64)
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OUTPUT_DIR="${TARGET_BUILD_DIR}"
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IPHONEOS_DEPLOYMENT_TARGET=${IPHONEOS_DEPLOYMENT_TARGET}
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ENABLE_BITCODE=${ENABLE_BITCODE}
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# Generate the target architectures we want to build for
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TARGET_ARCHS=()
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TARGET_PLATFORMS=()
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TARGET_SIM_ARCHS=()
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TARGET_DEVICE_ARCHS=()
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if [ -z $PLATFORM_NAME ] || [ $PLATFORM_NAME = "iphonesimulator" ]; then
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for i in "${!VALID_SIM_ARCHS[@]}"; do
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ARCH="${VALID_SIM_ARCHS[$i]}"
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ARCH_PLATFORM="${VALID_SIM_ARCH_PLATFORMS[$i]}"
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if [[ " ${ARCHS[*]} " =~ " ${ARCH} " ]]; then
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TARGET_ARCHS+=("sim-${ARCH}")
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TARGET_PLATFORMS+=("${ARCH_PLATFORM}")
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TARGET_SIM_ARCHS+=("sim-${ARCH}")
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fi
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done
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fi
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if [ -z $PLATFORM_NAME ] || [ $PLATFORM_NAME = "iphoneos" ]; then
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for i in "${!VALID_DEVICE_ARCHS[@]}"; do
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ARCH="${VALID_DEVICE_ARCHS[$i]}"
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ARCH_PLATFORM="${VALID_DEVICE_ARCH_PLATFORMS[$i]}"
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if [[ " ${ARCHS[*]} " =~ " ${ARCH} " ]]; then
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TARGET_ARCHS+=("ios-${ARCH}")
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TARGET_PLATFORMS+=("${ARCH_PLATFORM}")
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TARGET_DEVICE_ARCHS+=("ios-${ARCH}")
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fi
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done
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fi
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# Build the individual architectures
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for i in "${!TARGET_ARCHS[@]}"; do
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build="${TARGET_BUILD_DIR}/libSessionUtil/${TARGET_ARCHS[$i]}"
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platform="${TARGET_PLATFORMS[$i]}"
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echo_message "Building ${TARGET_ARCHS[$i]} for $platform in $build"
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cd "${SRCROOT}/LibSession-Util"
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./utils/static-bundle.sh "$build" "" \
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-DCMAKE_TOOLCHAIN_FILE="${SRCROOT}/LibSession-Util/external/ios-cmake/ios.toolchain.cmake" \
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-DPLATFORM=$platform \
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-DDEPLOYMENT_TARGET=$IPHONEOS_DEPLOYMENT_TARGET \
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-DENABLE_BITCODE=$ENABLE_BITCODE
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if [ $? -ne 0 ]; then
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LAST_OUTPUT=$(tail -n 4 "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_output.log" | head -n 1)
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echo_message "error: $LAST_OUTPUT"
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exit 1
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fi
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done
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# Remove the old static library file
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rm -rf "${TARGET_BUILD_DIR}/libSessionUtil/libSessionUtil.a"
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rm -rf "${TARGET_BUILD_DIR}/libSessionUtil/Headers"
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# If needed combine simulator builds into a multi-arch lib
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if [ "${#TARGET_SIM_ARCHS[@]}" -eq "1" ]; then
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# Single device build
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cp "${TARGET_BUILD_DIR}/libSessionUtil/${TARGET_SIM_ARCHS[0]}/libsession-util.a" "${TARGET_BUILD_DIR}/libSessionUtil/libSessionUtil.a"
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elif [ "${#TARGET_SIM_ARCHS[@]}" -gt "1" ]; then
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# Combine multiple device builds into a multi-arch lib
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echo_message "info: Built multiple architectures, merging into single static library"
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lipo -create "${TARGET_BUILD_DIR}/libSessionUtil"/sim-*/libsession-util.a -output "${TARGET_BUILD_DIR}/libSessionUtil/libSessionUtil.a"
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fi
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# If needed combine device builds into a multi-arch lib
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if [ "${#TARGET_DEVICE_ARCHS[@]}" -eq "1" ]; then
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cp "${TARGET_BUILD_DIR}/libSessionUtil/${TARGET_DEVICE_ARCHS[0]}/libsession-util.a" "${TARGET_BUILD_DIR}/libSessionUtil/libSessionUtil.a"
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elif [ "${#TARGET_DEVICE_ARCHS[@]}" -gt "1" ]; then
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# Combine multiple device builds into a multi-arch lib
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echo_message "info: Built multiple architectures, merging into single static library"
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lipo -create "${TARGET_BUILD_DIR}/libSessionUtil"/ios-*/libsession-util.a -output "${TARGET_BUILD_DIR}/libSessionUtil/libSessionUtil.a"
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fi
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# Save the updated hashes to disk to prevent rebuilds when there were no changes
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echo "${NEW_SOURCE_HASH}" > "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_source_hash.log"
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echo "${NEW_HEADER_HASH}" > "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_header_hash.log"
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echo "${ARCHS[*]}" > "${TARGET_BUILD_DIR}/libSessionUtil/libsession_util_archs.log"
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echo_message "info: Build complete"
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# Copy the headers across
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echo_message "info: Copy headers and prepare modulemap"
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mkdir -p "${TARGET_BUILD_DIR}/libSessionUtil/Headers"
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cp -r "${SRCROOT}/LibSession-Util/include/session" "${TARGET_BUILD_DIR}/libSessionUtil/Headers"
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# The 'module.modulemap' is needed for XCode to be able to find the headers
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modmap="${TARGET_BUILD_DIR}/libSessionUtil/Headers/module.modulemap"
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echo "module SessionUtil {" >"$modmap"
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echo " module capi {" >>"$modmap"
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for x in $(cd include && find session -name '*.h'); do
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echo " header \"$x\"" >>"$modmap"
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done
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echo -e " export *\n }" >>"$modmap"
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if false; then
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# If we include the cpp headers like this then Xcode will try to load them as C headers (which
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# of course breaks) and doesn't provide any way to only load the ones you need (because this is
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# Apple land, why would anything useful be available?). So we include the headers in the
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# archive but can't let xcode discover them because it will do it wrong.
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echo -e "\n module cppapi {" >>"$modmap"
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for x in $(cd include && find session -name '*.hpp'); do
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echo " header \"$x\"" >>"$modmap"
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done
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echo -e " export *\n }" >>"$modmap"
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fi
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echo "}" >>"$modmap"
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# Output to XCode just so the output is good
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echo_message "info: libSessionUtil Ready" |