fixup! build: do not pass vendored headers when building against shared libs

Author: aduh95

tools/nix/ci-shell.nix

@@ -32,7 +32,15 @@ args@{
     # hidden by cc-wrapper's -isystem/-L for every buildInput.
     buildInputs = map (
       dep:
-      pkgs.runCommand "${dep.name or (baseNameOf (toString dep))}-pkg-config-only"
+      pkgs.runCommand
+        "${
+          dep.name or (
+            let
+              name = baseNameOf (toString dep);
+            in
+            if builtins.stringLength name > 35 then builtins.substring 33 (-1) name else name
+          )
+        }-pkg-config-only"
         {
           nativeBuildInputs = [ pkgs.pkgconf ];
           buildInputs = [ dep ];