woff2: use canonical prefixes

When building with a native stdenv, which wraps CC, we need to resolve nix store
symlinks when building woff2.

pkgs/development/web/woff2/default.nix

@@ -18,8 +18,10 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake pkgconfig ];
 
-  cmakeFlags = [ "-DBUILD_SHARED_LIBS=${if static then "OFF" else "ON"}" ]
-    ++ stdenv.lib.optional static "-DCMAKE_SKIP_RPATH:BOOL=TRUE";
+  cmakeFlags = [
+    "-DCANONICAL_PREFIXES=ON"
+    "-DBUILD_SHARED_LIBS=${if static then "OFF" else "ON"}"
+  ] ++ stdenv.lib.optional static "-DCMAKE_SKIP_RPATH:BOOL=TRUE";
 
   propagatedBuildInputs = [ brotli ];