[c-ares] Initial commit for c-ares library

vcpkg_fixup_cmake_targets() support CONFIG_PATH parameter

ports/c-ares/CONTROL

@@ -0,0 +1,4 @@
+Source: c-ares
+Version: 1.12.1-dev-40eb41f
+Description: A C library for asynchronous DNS requests
+Build-Depends:

ports/c-ares/portfile.cmake

@@ -0,0 +1,42 @@
+include(vcpkg_common_functions)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO c-ares/c-ares
+    REF 40eb41f522eb9a86f9397352f10d1e63c89f2c54
+    SHA512 901d7da97098f79d13ae8d72c85936bd15fbd6b65399c247462ad5367ac85ff32c90325998c21364f959e1bde2c8b7dbc9d9d7524ea34e6bc48dfb3854c199e1
+    HEAD_REF master
+)
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL static)
+    set(CARES_STATIC ON)
+    set(CARES_SHARED OFF)
+else()
+    set(CARES_STATIC OFF)
+    set(CARES_SHARED ON)
+endif()
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS
+        -DCARES_STATIC=${CARES_STATIC}
+        -DCARES_SHARED=${CARES_SHARED}
+)
+
+vcpkg_install_cmake()
+
+vcpkg_fixup_cmake_targets(CONFIG_PATH "lib/cmake/c-ares")
+
+file(GLOB RELEASE_EXE_FILES "${CURRENT_PACKAGES_DIR}/bin/*.exe")
+file(REMOVE ${RELEASE_EXE_FILES})
+file(GLOB DEBUG_EXE_FILES "${CURRENT_PACKAGES_DIR}/debug/bin/*.exe")
+file(REMOVE ${DEBUG_EXE_FILES})
+
+vcpkg_copy_pdbs()
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+
+# Handle copyright
+file(COPY ${SOURCE_PATH}/LICENSE.md DESTINATION ${CURRENT_PACKAGES_DIR}/share/c-ares)
+file(RENAME ${CURRENT_PACKAGES_DIR}/share/c-ares/LICENSE.md ${CURRENT_PACKAGES_DIR}/share/c-ares/copyright)

scripts/cmake/vcpkg_fixup_cmake_targets.cmake

@@ -7,15 +7,58 @@
 #  Transform all references matching /bin/*.exe to /tools/<port>/*.exe
 #
 #  ::
-#  vcpkg_fixup_cmake_targets()
+#  vcpkg_fixup_cmake_targets([CONFIG_PATH <config_path>])
+#
+#  ``CONFIG_PATH``
+#    *.cmake files subdirectory (like "lib/cmake/${PORT}").
 #
 
 function(vcpkg_fixup_cmake_targets)
-    cmake_parse_arguments(_vfct "" "" "" ${ARGN})
+    cmake_parse_arguments(_vfct "" "CONFIG_PATH" "" ${ARGN})
 
     set(DEBUG_SHARE ${CURRENT_PACKAGES_DIR}/debug/share/${PORT})
     set(RELEASE_SHARE ${CURRENT_PACKAGES_DIR}/share/${PORT})
 
+    if(NOT ${_vfct_CONFIG_PATH} STREQUAL "")
+        set(DEBUG_CONFIG ${CURRENT_PACKAGES_DIR}/debug/${_vfct_CONFIG_PATH})
+        set(RELEASE_CONFIG ${CURRENT_PACKAGES_DIR}/${_vfct_CONFIG_PATH})
+
+        if(NOT EXISTS ${DEBUG_CONFIG})
+            message(FATAL_ERROR "'${DEBUG_CONFIG}' does not exist.")
+        endif()
+
+        file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/debug/share)
+        file(RENAME ${DEBUG_CONFIG} ${DEBUG_SHARE})
+        file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/share)
+        file(RENAME ${RELEASE_CONFIG} ${RELEASE_SHARE})
+
+        get_filename_component(DEBUG_CONFIG_DIR_NAME ${DEBUG_CONFIG} NAME)
+        string(TOLOWER "${DEBUG_CONFIG_DIR_NAME}" DEBUG_CONFIG_DIR_NAME)
+        if(${DEBUG_CONFIG_DIR_NAME} STREQUAL "cmake")
+            file(REMOVE_RECURSE ${DEBUG_CONFIG})
+        else()
+            get_filename_component(DEBUG_CONFIG_PARENT_DIR ${DEBUG_CONFIG} DIRECTORY)
+            get_filename_component(DEBUG_CONFIG_DIR_NAME ${DEBUG_CONFIG_PARENT_DIR} NAME)
+            string(TOLOWER "${DEBUG_CONFIG_DIR_NAME}" DEBUG_CONFIG_DIR_NAME)
+            if(${DEBUG_CONFIG_DIR_NAME} STREQUAL "cmake")
+                file(REMOVE_RECURSE ${DEBUG_CONFIG_PARENT_DIR})
+            endif()
+        endif()
+
+        get_filename_component(RELEASE_CONFIG_DIR_NAME ${RELEASE_CONFIG} NAME)
+        string(TOLOWER "${RELEASE_CONFIG_DIR_NAME}" RELEASE_CONFIG_DIR_NAME)
+        if(${RELEASE_CONFIG_DIR_NAME} STREQUAL "cmake")
+            file(REMOVE_RECURSE ${RELEASE_CONFIG})
+        else()
+            get_filename_component(RELEASE_CONFIG_PARENT_DIR ${RELEASE_CONFIG} DIRECTORY)
+            get_filename_component(RELEASE_CONFIG_DIR_NAME ${RELEASE_CONFIG_PARENT_DIR} NAME)
+            string(TOLOWER "${RELEASE_CONFIG_DIR_NAME}" RELEASE_CONFIG_DIR_NAME)
+            if(${RELEASE_CONFIG_DIR_NAME} STREQUAL "cmake")
+                file(REMOVE_RECURSE ${RELEASE_CONFIG_PARENT_DIR})
+            endif()
+        endif()
+    endif()
+
     if(NOT EXISTS ${DEBUG_SHARE})
         message(FATAL_ERROR "'${DEBUG_SHARE}' does not exist.")
     endif()