nix: Add dummy libunwind expression

Signed-off-by: Nick Spinale <[email protected]>
seL4 · Oct 24, 2024 · 0ed0d44 · 0ed0d44
1 parent e7033fd
commit 0ed0d44
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diff --git a/hacking/nix/scope/default.nix b/hacking/nix/scope/default.nix
@@ -265,6 +265,8 @@ superCallPackage ../rust-utils {} self //
 
   muslForSeL4Raw = callPackage ./musl/raw.nix {};
 
+  dummyLibunwind = callPackage ./musl/dummy-libunwind.nix {};
+
   ### sel4test
 
   mkSeL4Test = callPackage ./sel4test {};

diff --git a/hacking/nix/scope/musl/dummy-libunwind.nix b/hacking/nix/scope/musl/dummy-libunwind.nix
@@ -0,0 +1,13 @@
+#
+# Copyright 2024, Colias Group, LLC
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+
+{ runCommandCC }:
+
+runCommandCC "dummy-libunwind" {} ''
+  mkdir -p $out/lib
+  touch empty.o
+  $AR r $out/lib/libunwind.a empty.o
+''