Initial work on benchmarking

.gitmodules

@@ -10,3 +10,6 @@
 [submodule "dep/asio/asio"]
 	path = dep/asio/asio
 	url = https://github.com/chriskohlhoff/asio.git
+[submodule "dep/benchmark/benchmark"]
+	path = dep/benchmark/benchmark
+	url = https://github.com/google/benchmark.git

CMakeLists.txt

@@ -33,6 +33,10 @@ option(CTI_CONTINUABLE_WITH_EXAMPLES
        "Build the continuable examples"
        ${IS_TOP_LEVEL_PROJECT})
 
+option(CTI_CONTINUABLE_WITH_BENCHMARKS
+       "Build the continuable benchmarks"
+       ${IS_TOP_LEVEL_PROJECT})
+
 option(CTI_CONTINUABLE_WITH_NO_EXCEPTIONS
        "Disable exception support"
        OFF)

dep/CMakeLists.txt

@@ -2,12 +2,24 @@ if(NOT TARGET function2)
   add_subdirectory(function2)
 endif()
 
-if (CTI_CONTINUABLE_WITH_TESTS OR CTI_CONTINUABLE_WITH_EXAMPLES)
+if (CTI_CONTINUABLE_WITH_TESTS OR CTI_CONTINUABLE_WITH_BENCHMARKS)
   if(NOT TARGET gtest)
     add_subdirectory(googletest)
   endif()
+endif()
 
+if (CTI_CONTINUABLE_WITH_EXAMPLES)
   if(NOT TARGET asio)
     add_subdirectory(asio)
   endif()
 endif()
+
+if (CTI_CONTINUABLE_WITH_BENCHMARKS)
+  if(NOT TARGET benchmark)
+    add_subdirectory(benchmark)
+  endif()
+
+  if(NOT TARGET boost)
+    add_subdirectory(boost)
+  endif()
+endif()

dep/benchmark/CMakeLists.txt

@@ -0,0 +1,9 @@
+set(BENCHMARK_ENABLE_TESTING OFF)
+if (CTI_CONTINUABLE_WITHOUT_EXCEPTIONS)
+  set(BENCHMARK_ENABLE_EXCEPTIONS OFF)
+else()
+  set(BENCHMARK_ENABLE_EXCEPTIONS ON)
+endif()
+set(BENCHMARK_ENABLE_INSTALL OFF)
+set(BENCHMARK_ENABLE_GTEST_TESTS OFF)
+add_subdirectory(benchmark)

dep/benchmark/benchmark

@@ -0,0 +1 @@
+Subproject commit b1717916d1acafbd0753c145f30f76b06f2933e5

dep/boost/CMakeLists.txt

@@ -0,0 +1,38 @@
+if(WIN32)
+  if(CMAKE_SIZEOF_VOID_P MATCHES 8)
+    set(PLATFORM 64)
+  else()
+    set(PLATFORM 32)
+  endif()
+
+  if(DEFINED ENV{BOOST_ROOT})
+    set(BOOST_ROOT $ENV{BOOST_ROOT})
+    set(BOOST_LIBRARYDIR ${BOOST_ROOT}/lib${PLATFORM}-msvc-14.1)
+  endif()
+
+  set(Boost_USE_STATIC_LIBS ON)
+  set(Boost_USE_MULTITHREADED ON)
+  set(Boost_USE_STATIC_RUNTIME OFF)
+endif()
+
+find_package(Boost 1.68 REQUIRED
+  COMPONENTS
+    system
+    iostreams)
+
+if (${Boost_FOUND})
+  add_library(boost INTERFACE)
+
+  target_link_libraries(boost
+    INTERFACE
+      Boost::system
+      Boost::iostreams)
+
+  target_compile_definitions(boost
+    INTERFACE
+      BOOST_ALL_NO_LIB
+      BOOST_ASIO_DISABLE_BOOST_DATE_TIME
+      BOOST_ASIO_DISABLE_BOOST_REGEX
+      BOOST_RANGE_ENABLE_CONCEPT_ASSERT=0
+      BOOST_FILESYSTEM_NO_DEPRECATED)
+endif()

dep/googletest/CMakeLists.txt

@@ -1,3 +1,4 @@
+if(ON)
 add_library(gtest STATIC
   ${CMAKE_CURRENT_LIST_DIR}/googletest/googletest/src/gtest-all.cc)
 
@@ -42,3 +43,10 @@ target_include_directories(gmock
     ${CMAKE_CURRENT_LIST_DIR}/googletest/googlemock
   PUBLIC
     ${CMAKE_CURRENT_LIST_DIR}/googletest/googlemock/include)
+
+else()
+set(BUILD_GTEST ON)
+set(BUILD_GMOCK OFF)
+set(INSTALL_GTEST OFF)
+add_subdirectory(googletest)
+endif()

test/unit-test/CMakeLists.txt

@@ -8,6 +8,7 @@ target_include_directories(test-continuable-base
 
 target_link_libraries(test-continuable-base
   PUBLIC
+    gtest
     gtest-main
     continuable
     continuable-features-flags