routing: Fix bazel build

ortools/routing/parsers/BUILD.bazel

@@ -11,8 +11,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_cc//cc:defs.bzl", "cc_library", "cc_proto_library")
+load("@rules_proto//proto:defs.bzl", "proto_library")
+
 package(default_visibility = ["//visibility:public"])
 
+proto_library(
+    name = "capacity_planning_proto",
+    srcs = ["capacity_planning.proto"],
+)
+
+cc_proto_library(
+    name = "capacity_planning_cc_proto",
+    deps = [":capacity_planning_proto"],
+)
+
 cc_library(
     name = "simple_graph",
     srcs = ["simple_graph.cc"],
@@ -331,6 +344,7 @@ cc_library(
     srcs = ["dow_parser.cc"],
     hdrs = ["dow_parser.h"],
     deps = [
+        ":capacity_planning_cc_proto",
         "//ortools/base",
         "//ortools/constraint_solver:routing",
         "//ortools/util:random_engine",

ortools/routing/parsers/capacity_planning.proto

@@ -11,12 +11,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-edition = "2023";
+syntax = "proto3";
 
 package operations_research;
 
-option features.enum_type = CLOSED;
-
 // This is the proto for describing the multicommodity fixed-charged network
 // design problem.
 

ortools/util/filelineiter.h

@@ -142,7 +142,7 @@ class FileLines {
   // Please prefer the other constructor combined with file::Open() in new code
   // so that missing files are properly detected. This version would only print
   // a warning and act as if the file was empty.
-  explicit FileLines(const std::string& filename,
+  explicit FileLines(absl::string_view filename,
                      int options = FileLineIterator::DEFAULT)
       : FileLines(
             filename,