1 files changed, 3 insertions, 1 deletions
diff --git a/pkgs/development/libraries/spdlog/default.nix b/pkgs/development/libraries/spdlog/default.nix
index 2022ec7caaa5f..fbe7af1825ed8 100644
--- a/pkgs/development/libraries/spdlog/default.nix
+++ b/pkgs/development/libraries/spdlog/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake }:
+{ stdenv, fetchFromGitHub, cmake, fmt }:
 
 let
   generic = { version, sha256 }:
@@ -14,12 +14,14 @@ let
       };
 
       nativeBuildInputs = [ cmake ];
+      buildInputs = [ fmt ];
 
       cmakeFlags = [
         "-DSPDLOG_BUILD_SHARED=ON"
         "-DSPDLOG_BUILD_EXAMPLE=OFF"
         "-DSPDLOG_BUILD_BENCH=OFF"
         "-DSPDLOG_BUILD_TESTS=ON"
+        "-DSPDLOG_FMT_EXTERNAL=ON"
       ];
 
       outputs = [ "out" "doc" ];