flake.nix: Support Nixpkgs 19.09

2020-03-28 16:51:10 +01:00 · 2020-03-28 16:51:10 +01:00 · 5f75d56c9b
parent bf0b7e5423
commit 5f75d56c9b
1 changed files with 3 additions and 0 deletions
--- a/flake.nix
+++ b/flake.nix
@ -76,6 +76,9 @@
            openssl pkgconfig sqlite
            libarchive
            boost
+            (if lib.versionAtLeast lib.version "20.03pre"
+             then nlohmann_json
+             else nlohmann_json.override { multipleHeaders = true; })
            nlohmann_json
            rustc cargo