nix: add proper derivation

1 files changed, 27 insertions, 0 deletions

diff --git a/derivation.nix b/derivation.nix
new file mode 100644
index 0000000..e877c04
--- /dev/null
+++ b/derivation.nix
@@ -0,0 +1,27 @@
+{ stdenv, rustPlatform, llvm, libclang, clang, runtimeShell }:
+
+rustPlatform.buildRustPackage {
+  pname = "poseidoc";
+  version = "0.1";
+
+  src = ./.;
+
+  buildInputs = [ llvm libclang ];
+  LIBCLANG_PATH = "${libclang}/lib";
+
+  cargoSha256 = "0hrqzfzirq8xx32l969367xznlr6wf606xnwkqzknxdc2lxs7k40";
+
+  postFixup = ''
+    shell=${runtimeShell}
+    wrapped='.poseidoc-wrapped'
+    libc_includes='-idirafter "${clang.libc_dev}/include"'
+    cxx_stdlib_flags='$(echo -n "${clang.default_cxx_stdlib_compile}")'
+    resource_dir_flags='-resource-dir=${clang}/resource-root'
+
+    export shell wrapped libc_includes cxx_stdlib_flags resource_dir_flags
+
+    mv $out/bin/poseidoc $out/bin/$wrapped
+    substituteAll ${./nix-wrapper.sh} $out/bin/poseidoc
+    chmod --reference=$out/bin/$wrapped $out/bin/poseidoc
+  '';
+}