grpc-native: Add build_all_targets.sh

Signed-off-by: Johannes Zottele <[email protected]>

Author: Jozott00

cinterop-c/build_all_targets.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+#
+# Copyright 2023-2025 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+#
+
+set -Eeuo pipefail
+trap 'echo "ERROR: Build failed at ${BASH_SOURCE}:${LINENO}" >&2' ERR
+
+# Builds a static library for all platforms (os/arch).
+#
+# Usage:
+#   ./build_all.sh //path:libtarget out_dir
+# Example:
+#   ./build_all.sh :protowire_static out
+
+
+LABEL="${1:?need bazel label}"
+OUTDIR="${2:?need output dir}"
+mkdir -p "$OUTDIR"
+
+# Compilation Config
+CONFIG=release
+
+# Platform labels
+MACOS=@build_bazel_apple_support//platforms:macos_arm64
+IOS_DEV=@build_bazel_apple_support//platforms:ios_arm64
+IOS_SIM=@build_bazel_apple_support//platforms:ios_sim_arm64
+WATCHOS_ARM64_32_DEV=@build_bazel_apple_support//platforms:watchos_arm64_32
+WATCHOS_ARM64_SIM=@build_bazel_apple_support//platforms:watchos_arm64
+
+build_one() {
+  local plat="$1" short="$2" os="$3"
+  echo "==> Building $LABEL for $short" >&2
+  bazel build "$LABEL" --platforms="$plat" --apple_platform_type="$os" --config="$CONFIG" --announce_rc >/dev/null
+
+  # Ask Bazel what file(s) this target produced under this platform
+  local out
+  out="$(bazel cquery "$LABEL" --platforms="$plat" --apple_platform_type="$os" --config="$CONFIG" --output=files | head -n1)"
+  [[ -n "$out" ]] || { echo "No output for $LABEL ($short)"; exit 1; }
+
+  local dst="$OUTDIR/$(basename "$out" .a).${short}.a"
+  cp -f "$out" "$dst"
+}
+
+build_one "$MACOS" macos_arm64 macos
+build_one "$IOS_DEV" ios_arm64 ios
+build_one "$IOS_SIM" ios_sim_arm64 ios
+# TODO: Uncomment when activating WatchOS
+#build_one "$WATCHOS_ARM64_32_DEV" watchos_arm64_32 watchos
+#build_one "$WATCHOS_ARM64_SIM" watchos_sim_arm64 watchos
+
+echo "Done. Artifacts in $OUTDIR"