diff --git a/libs/libopenfpgacapnproto/gen/unique_blocks_uxsdcxx.capnp b/libs/libopenfpgacapnproto/gen/unique_blocks_uxsdcxx.capnp
index 8e21ea1d7..340fb2334 100644
--- a/libs/libopenfpgacapnproto/gen/unique_blocks_uxsdcxx.capnp
+++ b/libs/libopenfpgacapnproto/gen/unique_blocks_uxsdcxx.capnp
@@ -6,7 +6,7 @@
 # Input file: /home/xifan/github/OpenFPGA/libs/libopenfpgacapnproto/gen/unique_blocks.xsd
 # md5sum of input file: 1db9d740309076fa51f61413bae1e072
 
-@0xdae3749fdf603d4b;
+@0xdda3f3f93e497b0c;
 using Cxx = import "/capnp/c++.capnp";
 $Cxx.namespace("ucap");
 
diff --git a/openfpga/src/fabric/build_fabric_io_location_map.cpp b/openfpga/src/fabric/build_fabric_io_location_map.cpp
index 88097f976..9750b2967 100644
--- a/openfpga/src/fabric/build_fabric_io_location_map.cpp
+++ b/openfpga/src/fabric/build_fabric_io_location_map.cpp
@@ -76,7 +76,7 @@ static IoLocationMap build_fabric_fine_grained_io_location_map(
     if (size_t(phy_tile_type->capacity) !=
         module_manager.io_children(child).size()) {
       VTR_LOG("%s[%ld][%ld] capacity: %d while io_child number is %d",
-              phy_tile_type->name, coord.x(), coord.y(),
+              phy_tile_type->name.c_str(), coord.x(), coord.y(),
               phy_tile_type->capacity,
               module_manager.io_children(child).size());
     }
@@ -211,7 +211,7 @@ static IoLocationMap build_fabric_tiled_io_location_map(
       if (size_t(phy_tile_type->capacity) !=
           module_manager.io_children(tile_child).size()) {
         VTR_LOG("%s[%ld][%ld] capacity: %d while io_child number is %d",
-                phy_tile_type->name, coord.x(), coord.y(),
+                phy_tile_type->name.c_str(), coord.x(), coord.y(),
                 phy_tile_type->capacity,
                 module_manager.io_children(tile_child).size());
       }
diff --git a/openfpga/src/fpga_spice/spice_grid.cpp b/openfpga/src/fpga_spice/spice_grid.cpp
index ec8a58bc1..2443963ed 100644
--- a/openfpga/src/fpga_spice/spice_grid.cpp
+++ b/openfpga/src/fpga_spice/spice_grid.cpp
@@ -290,10 +290,10 @@ static void print_spice_physical_tile_netlist(
   if (true == is_io_type(phy_block_type)) {
     SideManager side_manager(border_side);
     VTR_LOG("Writing SPICE Netlist '%s' for physical tile '%s' at %s side ...",
-            spice_fname.c_str(), phy_block_type->name, side_manager.c_str());
+            spice_fname.c_str(), phy_block_type->name.c_str(), side_manager.c_str());
   } else {
     VTR_LOG("Writing SPICE Netlist '%s' for physical_tile '%s'...",
-            spice_fname.c_str(), phy_block_type->name);
+            spice_fname.c_str(), phy_block_type->name.c_str());
   }
 
   /* Create the file stream */
diff --git a/openfpga/src/fpga_verilog/verilog_grid.cpp b/openfpga/src/fpga_verilog/verilog_grid.cpp
index 8d6fbf513..25e59f1ed 100644
--- a/openfpga/src/fpga_verilog/verilog_grid.cpp
+++ b/openfpga/src/fpga_verilog/verilog_grid.cpp
@@ -315,10 +315,10 @@ static void print_verilog_physical_tile_netlist(
     SideManager side_manager(border_side);
     VTR_LOG(
       "Writing Verilog Netlist '%s' for physical tile '%s' at %s side ...",
-      verilog_fpath.c_str(), phy_block_type->name, side_manager.c_str());
+      verilog_fpath.c_str(), phy_block_type->name.c_str(), side_manager.c_str());
   } else {
     VTR_LOG("Writing Verilog Netlist '%s' for physical_tile '%s'...",
-            verilog_fpath.c_str(), phy_block_type->name);
+            verilog_fpath.c_str(), phy_block_type->name.c_str());
   }
 
   /* Create the file stream */
diff --git a/openfpga/src/repack/lb_router.cpp b/openfpga/src/repack/lb_router.cpp
index d2b16af0f..5a58aed0f 100644
--- a/openfpga/src/repack/lb_router.cpp
+++ b/openfpga/src/repack/lb_router.cpp
@@ -441,7 +441,7 @@ bool LbRouter::try_route(const LbRRGraph& lb_rr_graph,
       VTR_LOG(
         "Net %lu '%s' is impossible to route within proposed %s cluster\n",
         inet, atom_nlist.net_name(lb_net_atom_net_ids_[NetId(inet)]).c_str(),
-        lb_type_->name);
+        lb_type_->name.c_str());
       VTR_LOG("\tNet source pin:\n");
       for (size_t isrc = 0; isrc < lb_net_sources_[NetId(inet)].size();
            ++isrc) {
diff --git a/openfpga/src/tile_direct/build_tile_direct.cpp b/openfpga/src/tile_direct/build_tile_direct.cpp
index 2e6b87db1..af5ea32ea 100644
--- a/openfpga/src/tile_direct/build_tile_direct.cpp
+++ b/openfpga/src/tile_direct/build_tile_direct.cpp
@@ -355,7 +355,7 @@ static void report_direct_from_port_and_to_port_mismatch(
     "From_port '%s[%lu:%lu] of direct '%s' does not match to_port "
     "'%s[%lu:%lu]'!\n",
     from_tile_port.get_name().c_str(), from_tile_port.get_lsb(),
-    from_tile_port.get_msb(), vpr_direct.name, to_tile_port.get_name().c_str(),
+    from_tile_port.get_msb(), vpr_direct.name.c_str(), to_tile_port.get_name().c_str(),
     to_tile_port.get_lsb(), to_tile_port.get_msb());
 }
 
diff --git a/openfpga/src/utils/check_tile_annotation.cpp b/openfpga/src/utils/check_tile_annotation.cpp
index 929a3b24e..6b4ed5717 100644
--- a/openfpga/src/utils/check_tile_annotation.cpp
+++ b/openfpga/src/utils/check_tile_annotation.cpp
@@ -181,7 +181,7 @@ static int check_tile_annotation_conflicts_with_physical_tile(
                 required_tile_port.get_name().c_str(),
                 required_tile_port.get_lsb(), required_tile_port.get_msb(),
                 tile_annotation.global_port_name(tile_global_port).c_str(),
-                physical_tile.name, tile_port.name);
+                physical_tile.name.c_str(), tile_port.name);
               num_err++;
             }
 
@@ -196,7 +196,7 @@ static int check_tile_annotation_conflicts_with_physical_tile(
                 required_tile_port.get_name().c_str(),
                 required_tile_port.get_lsb(), required_tile_port.get_msb(),
                 tile_annotation.global_port_name(tile_global_port).c_str(),
-                physical_tile.name, tile_port.name);
+                physical_tile.name.c_str(), tile_port.name);
               num_err++;
             }
 
@@ -211,7 +211,7 @@ static int check_tile_annotation_conflicts_with_physical_tile(
                 required_tile_port.get_name().c_str(),
                 required_tile_port.get_lsb(), required_tile_port.get_msb(),
                 tile_annotation.global_port_name(tile_global_port).c_str(),
-                physical_tile.name, tile_port.name, pin_Fc);
+                physical_tile.name.c_str(), tile_port.name, pin_Fc);
             }
 
             found_matched_physical_tile_port++;
diff --git a/openfpga/src/utils/openfpga_physical_tile_utils.cpp b/openfpga/src/utils/openfpga_physical_tile_utils.cpp
index f8f16db64..0edc95e3f 100644
--- a/openfpga/src/utils/openfpga_physical_tile_utils.cpp
+++ b/openfpga/src/utils/openfpga_physical_tile_utils.cpp
@@ -72,7 +72,7 @@ float find_physical_tile_pin_Fc(t_physical_tile_type_ptr type, const int& pin) {
   }
   /* Every pin should have a Fc, give a wrong value */
   VTR_LOGF_ERROR(__FILE__, __LINE__, "Fail to find the Fc for %s.pin[%lu]\n",
-                 type->name, pin);
+                 type->name.c_str(), pin);
   exit(1);
 }