--- libphonenumber-8.13.8/cpp/CMakeLists.txt.orig	2023-02-26 10:49:15.997683242 +0100
+++ libphonenumber-8.13.8/cpp/CMakeLists.txt	2023-02-26 17:16:58.674991835 +0100
@@ -20,7 +20,7 @@ project (libphonenumber VERSION 8.13.0)
 
 # Pick the C++ standard to compile with.
 # Abseil currently supports C++11, C++14, and C++17.
-set(CMAKE_CXX_STANDARD 11 CACHE STRING "C++ standard used to compile this project")
+set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard used to compile this project")
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
 
@@ -106,7 +106,7 @@ if (USE_ALTERNATE_FORMATS)
 endif ()
 
 # Find all the required libraries and programs.
-find_package(absl)
+find_package(absl REQUIRED COMPONENTS node_hash_set strings synchronization)
 
 if(NOT absl_FOUND)
   # Overide abseil install rules for subprojects
--- libphonenumber-8.12.57/tools/cpp/CMakeLists.txt.orig	2023-02-26 10:49:16.001016558 +0100
+++ libphonenumber-8.12.57/tools/cpp/CMakeLists.txt	2023-02-26 17:39:18.954397584 +0100
@@ -18,7 +18,7 @@ cmake_minimum_required (VERSION 3.11)
 
 # Pick the C++ standard to compile with.
 # Abseil currently supports C++11, C++14, and C++17.
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 project (generate_geocoding_data)