grpc-native: Build cache within repository

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

Author: Jozott00

.github/workflows/grpc-clib-checksum.yml

@@ -0,0 +1,27 @@
+name: Verify gRPC CLib Checksum is Up-to-Date
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  verify-platforms-table:
+    name: Run Verification
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Sources
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+      - name: Run gRPC Checksum Generation
+        run: ./gradlew grpc:grpc-core:computeSha256AllTargetsForCLibGrpc_fat --info --stacktrace
+      - name: Check if prebuilt gRPC library checksum is up-to-date
+        run: |
+          if [[ -n "$(git status --porcelain | grep cinterop-c/prebuilt-deps/grpc_fat/)" ]]; then
+            echo "Prebuilt gRPC library checksum is not up to date. Please run './gradlew grpc:grpc-core:computeSha256AllTargetsForCLibGrpc_fat' and commit changes"
+            exit 1
+          fi

cinterop-c/BUILD.bazel

@@ -1,14 +1,6 @@
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_file")
 load("@rules_cc//cc:defs.bzl", "cc_library")
 
-cc_static_library(
-    name = "kgrpc_fat",
-    deps = [
-        ":kgrpc",
-        "//grpc_dep:grpc_core_prebuilt",
-    ],
-)
-
 cc_library(
     name = "kgrpc",
     srcs = ["src/kgrpc.cpp"],
@@ -17,7 +9,7 @@ cc_library(
     includes = ["include"],
     visibility = ["//visibility:public"],
     deps = [
-        "//grpc_dep:grpc_core_prebuilt",
+        "//prebuilt-deps/grpc_fat:grpc_core_prebuilt",
     ],
 )
 
@@ -39,10 +31,3 @@ cc_library(
         "@com_github_protobuffers_protobuf//:protobuf_lite",
     ],
 )
-
-cc_binary(
-    name = "grpc_flat",
-    deps = [
-        "//grpc_dep:grpc_core_prebuilt",
-    ],
-)

cinterop-c/MODULE.bazel

@@ -40,6 +40,13 @@ bazel_dep(
 
 ## gRPC pre-built
 
+local_repository = use_repo_rule("@bazel_tools//tools/build_defs/repo:local.bzl", "local_repository")
+
+local_repository(
+    name = "prebuilt_deps",
+    path = "prebuilt-deps",
+)
+
 http_file(
     name = "grpc_ios_arm64",
     sha256 = "7bc13a15c59850048e77b5719ea262a6fcc22884ab42c9f14f38859200faac9b",

cinterop-c/build_and_publish_dep.sh

@@ -0,0 +1,33 @@
+#!/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 a specific platform (os/arch).
+#
+# Usage:
+#   ./build_target.sh //path:libtarget out_dir <platform> <short> <os>
+# Example:
+#   ./build_target.sh :protowire_static out @build_bazel_apple_support//platforms:ios_arm64 ios_arm64 ios
+#
+# The example will produce ./out/libprotowire_static.ios_arm64.a
+
+LABEL="${1:?need bazel target label}"
+DST="${2:?need output destination}"
+
+CONFIG=release
+
+mkdir -p $(dirname "$DST")
+
+bazel build "$LABEL" >/dev/null
+
+# Ask Bazel what file(s) this target produced
+out="$(bazel cquery "$LABEL" --output=files | head -n1)"
+[[ -n "$out/include" ]] || { echo "No output for $LABEL"; exit 1; }
+
+rm -rf "$DST/include"
+cp -rLf "$out/include" "$DST/include"
+chmod -R u+w "$DST"