Adding package for Async++

.gitignore

@@ -298,9 +298,45 @@ __pycache__/
 !triplets/arm64-windows.cmake
 !triplets/x64-linux.cmake
 !triplets/x64-osx.cmake
+
+#ignore custom toolchains
+/scripts/toolchains/*
+#add vcpkg-designed toolchains back in
+!scripts/toolchains/android.cmake
+!scripts/toolchains/freebsd.cmake
+!scripts/toolchains/linux.cmake
+!scripts/toolchains/osx.cmake
+!scripts/toolchains/windows.cmake
+
 *.exe
 *.zip
 
 ############################################################
 # vcpkg - End
 ############################################################
+
+
+############################################################
+# cmake and ninja build artifacts - Start
+############################################################
+
+.DS_Store
+*.o
+**/build.*
+CMakeCache.txt
+CMakeFiles
+CMakeScripts
+Testing
+Makefile
+cmake_install.cmake
+install_manifest.txt
+compile_commands.json
+CTestTestfile.cmake
+.ninja_deps
+.ninja_log
+build.ninja
+rules.ninja
+
+############################################################
+# cmake and ninja build artifacts - End
+############################################################

ports/asyncplusplus/CONTROL

@@ -0,0 +1,4 @@
+Source: asyncplusplus
+Version: 1.0
+Description: Async++ is a lightweight concurrency framework for C++11
+

ports/asyncplusplus/portfile.cmake

@@ -0,0 +1,30 @@
+set(VCPKG_CRT_LINKAGE dynamic)
+set(VCPKG_LIBRARY_LINKAGE static)
+
+include(vcpkg_common_functions)
+set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/asyncplusplus-1.0)
+vcpkg_download_distfile(ARCHIVE
+    URLS "https://github.com/Amanieu/asyncplusplus/archive/v1.0.tar.gz"
+    FILENAME "asyncplusplus-1.0.zip"
+    SHA512 bb1fc032d2d8de49b4505e0629d48e5cfa99edfcafbf17848f160ceb320bcd993f1549095248d1a0ef8fc1ec07ecbaad6b634a770ddc1974092d373a508a5fe3
+)
+vcpkg_extract_source_archive(${ARCHIVE})
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+)
+
+
+vcpkg_install_cmake()
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+file(COPY ${CURRENT_BUILDTREES_DIR}/src/asyncplusplus-1.0/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/asyncplusplus)
+file(RENAME ${CURRENT_PACKAGES_DIR}/share/asyncplusplus/LICENSE ${CURRENT_PACKAGES_DIR}/share/asyncplusplus/copyright)
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/share)
+file(COPY ${CURRENT_PACKAGES_DIR}/debug/cmake/Async++-debug.cmake DESTINATION ${CURRENT_PACKAGES_DIR}/share/Async++-debug.cmake)
+file(COPY ${CURRENT_PACKAGES_DIR}/cmake/Async++-release.cmake DESTINATION ${CURRENT_PACKAGES_DIR}/share/Async++-release.cmake)
+file(COPY ${CURRENT_PACKAGES_DIR}/cmake/Async++.cmake DESTINATION ${CURRENT_PACKAGES_DIR}/share/Async++.cmake)
+file(COPY ${CURRENT_PACKAGES_DIR}/cmake/Async++Config.cmake DESTINATION ${CURRENT_PACKAGES_DIR}/share/Async++Config.cmake)
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/cmake)
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/cmake)
+file(COPY ${CURRENT_PORT_DIR}/CONTROL DESTINATION ${CURRENT_PACKAGES_DIR})