Add benchmarks

CMakeLists.txt

@@ -13,6 +13,17 @@ include(cmake/idna-flags.cmake)
 
 add_subdirectory(src)
 
+option(ADA_IDNA_BENCHMARKS "Build benchmarks" OFF)
+
+if (ADA_IDNA_BENCHMARKS)
+  message(STATUS "Ada benchmarks enabled.")
+  add_subdirectory(benchmarks)
+else(ADA_IDNA_BENCHMARKS)
+  if (is_top_project)
+    message(STATUS "Ada IDNA benchmarks disabled. Set ADA_IDNA_BENCHMARKS=ON to enable them.")
+  endif()
+endif()
+
 if (BUILD_TESTING)
   message(STATUS "The tests are enabled.")
   add_subdirectory(tests)

benchmarks/CMakeLists.txt

@@ -0,0 +1,22 @@
+# ToASCII Bench
+add_executable(to_ascii to_ascii.cpp)
+target_link_libraries(to_ascii PRIVATE ada-idna)
+target_include_directories(to_ascii PUBLIC "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>")
+target_include_directories(to_ascii PUBLIC "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/benchmarks>")
+
+include(${PROJECT_SOURCE_DIR}/cmake/import.cmake)
+
+set_off(BENCHMARK_ENABLE_TESTING)
+set_off(BENCHMARK_ENABLE_INSTALL)
+set_off(BENCHMARK_ENABLE_WERROR)
+
+# Google Benchmarks
+import_dependency(google_benchmarks google/benchmark f91b6b4)
+add_dependency(google_benchmarks)
+target_link_libraries(to_ascii PRIVATE benchmark::benchmark)
+
+message(STATUS "Compiler is " ${CMAKE_CXX_COMPILER_ID})
+
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+message(STATUS "Compiler version " ${CMAKE_CXX_COMPILER_VERSION})
+endif()