Bazel doesn't work in MacOS

[xieyuschen]

I could run bazel test //... in main latest commit in my ubuntu22.04, but I encountered several problems in macOS when i tried my new feature in macos #478 (comment)

I have listed some problems I encountered.

1(fixed): bindgen issue

The issue is propably caused by incorrect release downloading.

/bin/bash: external/bindgen/bindgen: cannot execute binary file

My Solution(Click me to unfold)

-    sha256 = "b7e2321ee8c617f14ccc5b9f39b3a804db173ee217e924ad93ed16af6bc62b1d",
-    strip_prefix = "bindgen-cli-x86_64-unknown-linux-gnu",
-    urls = ["https://github.com/rust-lang/rust-bindgen/releases/download/v0.69.5/bindgen-cli-x86_64-unknown-linux-gnu.tar.xz"],
+   strip_prefix = "bindgen-cli-aarch64-apple-darwin",
+   urls = ["https://github.com/rust-lang/rust-bindgen/releases/download/v0.69.5/bindgen-cli-aarch64-apple-darwin.tar.xz"],

2(fixed) cbindgen issue

It's similar, the downloading binary is still for linux only. Download its source code and build it during the project works.

My Solution(Click me to unfold)

--- a/WORKSPACE.bazel
+++ b/WORKSPACE.bazel
@@ -50,9 +53,8 @@ rust_register_toolchains(
 maybe(
     name = "bindgen",
     repo_rule = http_archive,
-    sha256 = "b7e2321ee8c617f14ccc5b9f39b3a804db173ee217e924ad93ed16af6bc62b1d",
-    strip_prefix = "bindgen-cli-x86_64-unknown-linux-gnu",
-    urls = ["https://github.com/rust-lang/rust-bindgen/releases/download/v0.69.5/bindgen-cli-x86_64-unknown-linux-gnu.tar.xz"],
+    strip_prefix = "bindgen-cli-aarch64-apple-darwin",
+    urls = ["https://github.com/rust-lang/rust-bindgen/releases/download/v0.69.5/bindgen-cli-aarch64-apple-darwin.tar.xz"],

+rust_repositories()
+
+http_archive(
+    name = "cbindgen_source",
+    urls = ["https://github.com/mozilla/cbindgen/archive/refs/tags/0.26.0.tar.gz"],
 )
 
+load("@rules_rust//rust:defs.bzl", "rust_library")

--- a/iceoryx2-ffi/ffi/BUILD.bazel
+++ b/iceoryx2-ffi/ffi/BUILD.bazel
@@ -20,9 +20,19 @@ filegroup(
     srcs = glob(["**"]),
 )
 
-filegroup(
+
+load("@rules_rust//rust:defs.bzl", "rust_binary")
+
+rust_binary(
     name = "cbindgen-cli",
-    srcs = ["@cbindgen//file"],
+    srcs = [
+        "external/cbindgen_source/src/main.rs",
+        "external/cbindgen_source/build.rs",
+    ],
+    data = [
+        "external/cbindgen_source/Cargo.toml",
+        "external/cbindgen_source/Cargo.lock",
+    ],
 )

3: enable_if_pointer_t not in std

I have encountered the issue listed below. I briefly searched it and looks like it's a compiler version issue.

external/iceoryx/iceoryx_platform/generic/include/iceoryx_platform/atomic.hpp:283:5: error: no template named 'enable_if_pointer_t'
    enable_if_pointer_t<U> fetch_sub(std::ptrdiff_t value, std::memory_order order = std::memory_order_seq_cst) noexcept