push sheeet

pkgs/os-specific/darwin/apple-source-releases/Csu/package.nix

@@ -0,0 +1,31 @@
+{
+  lib,
+  makeSetupHook,
+  mkAppleDerivation,
+  stdenv,
+}:
+
+mkAppleDerivation {
+  releaseName = "Csu";
+
+  makeFlags = [
+    "CC=${stdenv.cc.targetPrefix}clang"
+    "CHMOD=chmod"
+    "MKDIR=mkdir"
+    "USRLIBDIR=/lib"
+    "LOCLIBDIR=/lib"
+  ];
+
+  installFlags = [ "DSTROOT=$(out)" ];
+
+  setupHooks = [
+    ../../../../build-support/setup-hooks/role.bash
+    # ccWrapper_addCVars doesn’t add Csu to `NIX_LDFLAGS` because it contains objects and no dylibs.
+    ./setup-hooks/add-Csu-lib-path.sh
+  ];
+
+  meta = {
+    description = "Common startup stubs for Darwin";
+    badPlatforms = [ lib.systems.inspect.patterns.isAarch ];
+  };
+}

pkgs/os-specific/darwin/apple-source-releases/Csu/setup-hooks/add-Csu-lib-path.sh

@@ -0,0 +1,4 @@
+local role_post
+getHostRole
+export NIX_LDFLAGS${role_post}+=" -L@out@/lib"
+unset -v role_post