wip macos

motiejus@mtwork:/code/bazel-zig-cc$ bazel build  --spawn_strategy=local  --platforms @zig_sdk//libc_aware/platform:macos_aarch64_sdk.13.1 test/c:which_libc
    INFO: Analyzed target //test/c:which_libc (0 packages loaded, 0 targets configured).
    INFO: Found 1 target...
    Target //test/c:which_libc up-to-date:
      bazel-bin/test/c/which_libc
    INFO: Elapsed time: 0.071s, Critical Path: 0.00s
    INFO: 1 process: 1 internal.
    INFO: Build completed successfully, 1 total action
    motiejus@mtwork:/code/bazel-zig-cc$ file bazel-bin/test/c/which_libc
    bazel-bin/test/c/which_libc: Mach-O 64-bit arm64 executable, flags:<NOUNDEFS|DYLDLINK|TWOLEVEL|PIE>
    motiejus@mtwork:/code/bazel-zig-cc$

test/c/BUILD

@@ -3,9 +3,6 @@ load("@bazel-zig-cc//rules:platform.bzl", "platform_binary")
 cc_binary(
     name = "which_libc",
     srcs = ["main.c"],
-    target_compatible_with = [
-        "@platforms//os:linux",
-    ],
 )
 
 [

test/c/main.c

@@ -2,13 +2,8 @@
 // Licensed under the Apache License, Version 2.0
 
 #include <stdio.h>
-#include <features.h>
 
 int main() {
-    #ifdef __GLIBC__
-    printf("glibc_%d.%d\n", __GLIBC__, __GLIBC_MINOR__);
-    #else
     printf("non-glibc\n");
-    #endif
     return 0;
 }