[getdns] Add new port.

ports/getdns/CONTROL

@@ -0,0 +1,14 @@
+Source: getdns
+Version: 1.6.0
+Build-Depends: libidn2, openssl
+Description: GetDNS is a modern asynchronous DNS API
+Homepage: https://getdnsapi.net/
+Supports: !uwp
+
+Feature: libevent
+Description: libevent event loop integration
+Build-Depends: libevent
+
+Feature: libuv
+Description: libuv event loop integration
+Build-Depends: libuv

ports/getdns/ignore_copying.patch

@@ -0,0 +1,12 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 10d10b99..fda6fa3c 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1087,6 +1087,6 @@ install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/getdns DESTINATION include)
+ install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/man3 DESTINATION share/man)
+
+ set(docdir share/doc/getdns)
+-install(FILES AUTHORS ChangeLog COPYING LICENSE NEWS README.md DESTINATION ${docdir})
++install(FILES AUTHORS ChangeLog LICENSE NEWS README.md DESTINATION ${docdir})
+ install(FILES spec/index.html DESTINATION ${docdir}/spec)
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/getdns.pc DESTINATION lib/pkgconfig)

ports/getdns/install_dlls.patch

@@ -0,0 +1,24 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 10d10b99..35761647 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1065,15 +1065,15 @@ if (ENABLE_STATIC)
+   endif ()
+ endif ()
+ if (ENABLE_SHARED)
+-  install(TARGETS getdns_shared LIBRARY DESTINATION lib ARCHIVE DESTINATION lib)
++  install(TARGETS getdns_shared LIBRARY DESTINATION lib ARCHIVE DESTINATION lib RUNTIME DESTINATION bin)
+   if (USE_LIBEV)
+-    install(TARGETS getdns_ex_ev_shared LIBRARY DESTINATION lib ARCHIVE DESTINATION lib)
++    install(TARGETS getdns_ex_ev_shared LIBRARY DESTINATION lib ARCHIVE DESTINATION lib RUNTIME DESTINATION bin)
+   endif ()
+   if (USE_LIBEVENT2)
+-    install(TARGETS getdns_ex_event_shared LIBRARY DESTINATION lib ARCHIVE DESTINATION lib)
++    install(TARGETS getdns_ex_event_shared LIBRARY DESTINATION lib ARCHIVE DESTINATION lib RUNTIME DESTINATION bin)
+   endif ()
+   if (USE_LIBUV)
+-    install(TARGETS getdns_ex_uv_shared LIBRARY DESTINATION lib ARCHIVE DESTINATION lib)
++    install(TARGETS getdns_ex_uv_shared LIBRARY DESTINATION lib ARCHIVE DESTINATION lib RUNTIME DESTINATION bin)
+   endif ()
+ endif ()
+ if (BUILD_GETDNS_QUERY)

ports/getdns/openssl_depend_libs.patch

@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 7d22d3ca..7784ab58 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -335,7 +335,7 @@ check_include_file(openssl/rand.h HAVE_OPENSSL_RAND_H)
+ check_include_file(openssl/conf.h HAVE_OPENSSL_CONF_H)
+ check_include_file(openssl/engine.h HAVE_OPENSSL_ENGINE_H)
+
+-set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_LIBRARIES})
++set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_LIBRARIES} ${getdns_system_libs})
+ check_function_exists(DSA_SIG_set0 HAVE_DSA_SIG_SET0)
+ check_function_exists(DSA_set0_pqg HAVE_DSA_SET0_PQG)
+ check_function_exists(DSA_set0_key HAVE_DSA_SET0_KEY)

ports/getdns/portfile.cmake

@@ -0,0 +1,45 @@
+vcpkg_fail_port_install(ON_TARGET "uwp")
+
+set(GETDNS_VERSION 1.6.0)
+set(GETDNS_HASH 4d3a67cd76e7ce53a31c9b92607d7768381a1f916e7950fe4e69368fa585d38dbfc04975630fbe8d8bd14f4bebf83a3516e063b5b54e0922548edc0952ee7b4e)
+
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" GETDNS_ENABLE_STATIC)
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" GETDNS_ENABLE_SHARED)
+
+vcpkg_download_distfile(ARCHIVE
+    URLS "https://getdnsapi.net/dist/getdns-${GETDNS_VERSION}.tar.gz"
+    FILENAME "getdns-${GETDNS_VERSION}.tar.gz"
+    SHA512 ${GETDNS_HASH}
+)
+
+vcpkg_extract_source_archive_ex(
+    OUT_SOURCE_PATH SOURCE_PATH
+    ARCHIVE ${ARCHIVE}
+    REF ${GETDNS_VERSION}
+    PATCHES
+        "openssl_depend_libs.patch"
+        "ignore_copying.patch"
+        "install_dlls.patch"
+)
+
+vcpkg_check_features(
+    OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    libevent BUILD_LIBEVENT2
+    libuv BUILD_LIBUV
+)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS
+        -DBUILD_GETDNS_QUERY=OFF
+        -DBUILD_GETDNS_SERVER_MON=OFF
+        -DENABLE_STATIC=${GETDNS_ENABLE_STATIC}
+        -DENABLE_SHARED=${GETDNS_ENABLE_SHARED}
+        ${FEATURE_OPTIONS}
+)
+vcpkg_install_cmake()
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
+vcpkg_copy_pdbs()
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")