Add an option to choose link mode

Author: agagniere

README.md

@@ -7,20 +7,24 @@
 | x86_64            | ✅    | ✅    |
 | arm 64            | ✅    | ✅    |
 
-| Refname  | libGRPC version | Zig `0.16.x` | Zig `0.15.x` |
-|----------|-----------------|:------------:|:------------:|
-| `1.76.0` | `v1.76.0`       | ✅           | ✅           |
+| Refname    | libGRPC version | Zig `0.16.x` | Zig `0.15.x` |
+|------------|-----------------|:------------:|:------------:|
+| `1.76.0+1` | `v1.76.0`       | ✅           | ✅           |
 
 ## Use
 
-Add the dependency in your `build.zig.zon` by running the following command:
+Add the dependency to your `build.zig.zon` by running the following command:
 ```zig
 zig fetch --save git+https://github.com/allyourcodebase/grpc#master
 ```
 
 Then, in your `build.zig`:
 ```zig
-const grpc = b.dependency("grpc", { .target = target, .optimize = optimize });
+const grpc = b.dependency("grpc", {
+	.target = target,
+	.optimize = optimize,
+	.link_mode = .dynamic,
+});
 
 // to use from Zig:
 mod.addImport("cgrpc", grpc.module("cgrpc"));
@@ -29,6 +33,15 @@ mod.addImport("cgrpc", grpc.module("cgrpc"));
 exe.linkLibrary(grpc.artifact("grpc"));
 ```
 
+## Options
+
+```
+  -Dlink_mode=[enum]           Compile static or dynamic libraries. Defaults to dynamic
+                                 Supported Values:
+                                   static
+                                   dynamic
+```
+
 ## Bump dependencies
 
 When bumping upstream version, also bump dependencies. Example:

build.zig

@@ -7,6 +7,11 @@ const ExecutableList = std.ArrayList(struct { name: []const u8, mod: *Build.Modu
 pub fn build(b: *Build) !void {
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
+    const linkmode = b.option(
+        std.builtin.LinkMode,
+        "link_mode",
+        "Compile static or dynamic libraries. Defaults to dynamic",
+    ) orelse .dynamic;
 
     // Dependencies
     const upstream = b.dependency("upstream", .{});
@@ -185,7 +190,11 @@ pub fn build(b: *Build) !void {
         .optimize = optimize,
         .link_libcpp = true,
     });
-    const libgrpc = b.addLibrary(.{ .name = "grpc", .root_module = grpc });
+    const libgrpc = b.addLibrary(.{
+        .name = "grpc",
+        .root_module = grpc,
+        .linkage = linkmode,
+    });
 
     grpc.addCSourceFiles(.{
         .root = upstream.path("src/core"),
@@ -322,6 +331,7 @@ pub fn build(b: *Build) !void {
             ite.mod.linkLibrary(libgrpc);
             ite.mod.linkLibrary(libgtest);
             ite.mod.linkLibrary(libabseil);
+            ite.mod.linkFramework("CoreFoundation", .{});
             example_step.dependOn(&install_exe.step);
             test_step.dependOn(&run_exe.step);
         }