xc-universal-binary.sh

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#!/usr/bin/env bash

# This should be invoked from inside xcode, not manually

if [ "$#" -ne 3 ]

then

    echo "Usage (note: only call inside xcode!):"

    echo "Args: $*"

    echo "path/to/build-scripts/xc-universal-binary.sh <FFI_TARGET> <GLEAN_ROOT_PATH> <buildvariant>"

    exit 1

fi

# what to pass to cargo build -p, e.g. glean_ffi

FFI_TARGET=$1

# path to app services root

GLEAN_ROOT=$2

# buildvariant from our xcconfigs

BUILDVARIANT=$3

if [[ -n "${DEVELOPER_SDK_DIR:-}" ]]; then

#  # Assume we're in Xcode, which means we're probably cross-compiling.

#  # In this case, we need to add an extra library search path for build scripts and proc-macros,

#  # which run on the host instead of the target.

#  # (macOS Big Sur does not have linkable libraries in /usr/lib/.)

  libpath="${DEVELOPER_SDK_DIR}/MacOSX.sdk/usr/lib"

  export LIBRARY_PATH="${libpath}:${LIBRARY_PATH:-}"

fi

RELFLAG=

if [[ "$BUILDVARIANT" != "debug" ]]; then

    RELFLAG=--release

fi

set -euvx

IS_SIMULATOR=0

if [ "${LLVM_TARGET_TRIPLE_SUFFIX-}" = "-simulator" ]; then

  IS_SIMULATOR=1

fi

for arch in $ARCHS; do

  case "$arch" in

    x86_64)

      if [ $IS_SIMULATOR -eq 0 ]; then

        echo "Building for x86_64, but not a simulator build. What's going on?" >&2

        exit 2

fi

      # Intel iOS simulator

      export CFLAGS_x86_64_apple_ios="-target x86_64-apple-ios"

      $HOME/.cargo/bin/cargo rustc -p $FFI_TARGET --lib --crate-type staticlib $RELFLAG --target x86_64-apple-ios

;;

    arm64)

      if [ $IS_SIMULATOR -eq 0 ]; then

        # Hardware iOS targets

        $HOME/.cargo/bin/cargo rustc -p $FFI_TARGET --lib --crate-type staticlib $RELFLAG --target aarch64-apple-ios

      else

        # M1 iOS simulator

        $HOME/.cargo/bin/cargo rustc -p $FFI_TARGET --lib --crate-type staticlib $RELFLAG --target aarch64-apple-ios-sim

fi

  esac

done