fix(poppler-qt5)

closes #5431

projects/freedesktop.org/poppler-qt5/package.yml

@@ -64,6 +64,9 @@ build:
       - -DRUN_GPERF_IF_PRESENT=OFF
       - -DWITH_GObjectIntrospection=ON
     CXXFLAGS: '$CXXFLAGS -std=c++11'
+    linux:
+      # ld.lld: error: undefined symbol: std::filesystem::__cxx11::path::_M_split_cmpts()
+      LDFLAGS: '$LDFLAGS -lstdc++fs'
 
 provides:
   - bin/pdfattach