Also for darwin OS

Author: justsmth

aws-lc-sys/builder/cc_builder.rs

@@ -222,7 +222,7 @@ impl CcBuilder {
  }
  }
 
- if target_os() == "macos" {
+ if target_os() == "macos" || target_os() == "darwin" {
  // Certain MacOS system headers are guarded by _POSIX_C_SOURCE and _DARWIN_C_SOURCE
  build_options.push(BuildOption::define("_DARWIN_C_SOURCE", "1"));
  }
@@ -407,7 +407,7 @@ impl CcBuilder {
  };
 
  je_builder.define("AWSLC", "1");
- if target_os() == "macos" {
+ if target_os() == "macos" || target_os() == "darwin" {
  // Certain MacOS system headers are guarded by _POSIX_C_SOURCE and _DARWIN_C_SOURCE
  je_builder.define("_DARWIN_C_SOURCE", "1");
  }