[benchmark] Initial commit for Google Benchmark library

ports/benchmark/CONTROL

@@ -0,0 +1,3 @@
+Source: benchmark
+Version: 1.1.0
+Description: A library to support the benchmarking of functions, similar to unit-tests.

ports/benchmark/fix-cmakelists.patch

@@ -0,0 +1,27 @@
+diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
+index 4038875..94d2aea 100644
+--- a/src/CMakeLists.txt
++++ b/src/CMakeLists.txt
+@@ -28,17 +28,20 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
+ endif()
+ 
+ # Expose public API
+-target_include_directories(benchmark PUBLIC ${PROJECT_SOURCE_DIR}/include)
++target_include_directories(benchmark PRIVATE ${PROJECT_SOURCE_DIR}/include)
+ 
+ # Install target (will install the library to specified CMAKE_INSTALL_PREFIX variable)
+ install(
+   TARGETS benchmark
++  EXPORT benchmarkTargets
+   ARCHIVE DESTINATION lib
+   LIBRARY DESTINATION lib
+   RUNTIME DESTINATION bin
+-  COMPONENT library)
++  INCLUDES DESTINATION include)
+ 
+ install(
+   DIRECTORY "${PROJECT_SOURCE_DIR}/include/benchmark"
+   DESTINATION include
+   FILES_MATCHING PATTERN "*.*h")
++
++install(EXPORT benchmarkTargets NAMESPACE benchmark:: DESTINATION share/benchmark)

ports/benchmark/portfile.cmake

@@ -0,0 +1,42 @@
+if(VCPKG_CRT_LINKAGE STREQUAL static)
+  message(FATAL_ERROR "Google benchmark only supports dynamic crt linkage.")
+endif()
+
+if (VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+    message(STATUS "Warning: Dynamic building not supported yet. Building static.")
+    set(VCPKG_LIBRARY_LINKAGE static)
+endif()
+
+include(vcpkg_common_functions)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO google/benchmark
+    REF v1.1.0
+    SHA512 533061531e6a37723a626addc9e779018c4c2cfc8634ae45860eec0d3800103b5b562f865ac1dc0c8dbe045579b81e59de887e1c48318cebf160f03c18321831
+    HEAD_REF master
+)
+
+vcpkg_apply_patches(
+    SOURCE_PATH ${SOURCE_PATH}
+    PATCHES "${CMAKE_CURRENT_LIST_DIR}/fix-cmakelists.patch"
+)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS
+    	-DBENCHMARK_ENABLE_TESTING=OFF
+)
+
+vcpkg_install_cmake()
+
+vcpkg_copy_pdbs()
+
+vcpkg_fixup_cmake_targets()
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+
+# Handle copyright
+file(COPY ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/benchmark)
+file(RENAME ${CURRENT_PACKAGES_DIR}/share/benchmark/LICENSE ${CURRENT_PACKAGES_DIR}/share/benchmark/copyright)