From f57456fa0e19452494139e30aa3c82968482ea28 Mon Sep 17 00:00:00 2001
From: Anton-4 <17049058+Anton-4@users.noreply.github.com>
Date: Fri, 5 Aug 2022 13:31:52 +0200
Subject: [PATCH] default.nix fixes for macos arm64

---
 crates/cli/build.rs | 6 ++++++
 default.nix         | 7 +++++--
 2 files changed, 11 insertions(+), 2 deletions(-)
 create mode 100644 crates/cli/build.rs

diff --git a/crates/cli/build.rs b/crates/cli/build.rs
new file mode 100644
index 0000000000..5d171b71cf
--- /dev/null
+++ b/crates/cli/build.rs
@@ -0,0 +1,6 @@
+fn main() {
+    // workaround for issue https://github.com/NixOS/nixpkgs/issues/166205 . This println can be removed when this issue is fixed. Upgrading to LLVM 14 could also fix this issue.
+    // also see https://github.com/NixOS/nixpkgs/pull/181485
+    #[cfg(all(target_os = "macos", target_arch = "aarch64"))]
+    println!("cargo:rustc-link-lib=c++abi")
+}
diff --git a/default.nix b/default.nix
index ec783d393c..aae9b93b7a 100644
--- a/default.nix
+++ b/default.nix
@@ -18,7 +18,7 @@ rustPlatform.buildRustPackage {
 
   src = pkgs.nix-gitignore.gitignoreSource [] ./.;
 
-  cargoSha256 = "sha256-cFzOcU982kANsZjx4YoLQOZSOYN3loj+5zowhWoBWM8=";
+  cargoSha256 = "sha256-Pd84GGtW1ecrP03uiCVcybIUtWCSDGfLl+fbbdmFyiE=";
 
   LLVM_SYS_130_PREFIX = "${llvmPkgs.llvm.dev}";
 
@@ -79,8 +79,11 @@ rustPlatform.buildRustPackage {
 
   # cp: to copy str.zig,list.zig...
   # wrapProgram pkgs.stdenv.cc: to make ld available for compiler/build/src/link.rs
-  postInstall = ''
+  postInstall = if pkgs.stdenv.isLinux then ''
     cp -r target/x86_64-unknown-linux-gnu/release/lib/. $out/lib
     wrapProgram $out/bin/roc --set NIX_GLIBC_PATH ${nixGlibcPath} --prefix PATH : ${pkgs.lib.makeBinPath [ pkgs.stdenv.cc ]}
+  '' else ''
+    cp -r target/aarch64-apple-darwin/release/lib/. $out/lib
+    wrapProgram $out/bin/roc --prefix PATH : ${pkgs.lib.makeBinPath [ pkgs.stdenv.cc ]}
   '';
 }