libnats-c: fix CMake _IMPORT_PREFIX

gunnihinn · gunnihinn · commit 0eaeed139ab0 · 2025-12-12T10:07:26.000Z
The generated cnats-config.cmake file looks for include files under $out but should look for them under $dev. Fix this in the same way as, for example, in [1]. See [2] for other instances. [1] NixOS#424658 [2] https://github.com/NixOS/nixpkgs/issues?q=is%3Aissue%20_import_prefix
diff --git a/pkgs/by-name/li/libnats-c/package.nix b/pkgs/by-name/li/libnats-c/package.nix
@@ -40,6 +40,11 @@ stdenv.mkDerivation rec {
       --replace '$'{prefix}/@CMAKE_INSTALL_LIBDIR@ @CMAKE_INSTALL_FULL_LIBDIR@
   '';
 
+  postFixup = ''
+    substituteInPlace $dev/lib/cmake/cnats/cnats-config.cmake \
+      --replace-fail "_IMPORT_PREFIX \"$out\"" "_IMPORT_PREFIX \"$dev\""
+  '';
+
   meta = {
     description = "C API for the NATS messaging system";
     homepage = "https://github.com/nats-io/nats.c";
