voodoo stuff

Author: Cmdv

.github/workflows/haskell.yml

@@ -54,9 +54,9 @@ jobs:
           use-sodium-vrf: true
       - name: Add LMDB to Nix environment
         run: |
-          # Install LMDB from nixpkgs into the Nix user profile
-          # This is temporary until devx PR #221 is merged
           nix-env -f '<nixpkgs>' -iA lmdb
+          LMDB_PATH=$(nix-env -q --out-path lmdb | awk '{print $2}')
+          echo "PKG_CONFIG_PATH=${LMDB_PATH}/lib/pkgconfig:$PKG_CONFIG_PATH" >> $GITHUB_ENV
         shell: devx {0}
       - name: cache cabal
         uses: actions/cache@v3