[CURL] fix an error on find_package(CURL CONFIG) for debug library

ports/curl/CONTROL

@@ -1,5 +1,5 @@
 Source: curl
-Version: 7_59_0-2
+Version: 7_59_0-3
 Build-Depends: zlib
 Description: A library for transferring data with URLs
 Default-Features: ssl

ports/curl/FindCURL.cmake

@@ -0,0 +1,108 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#.rst:
+# FindCURL
+# --------
+#
+# Find the native CURL headers and libraries.
+#
+# IMPORTED Targets
+# ^^^^^^^^^^^^^^^^
+#
+# This module defines :prop_tgt:`IMPORTED` target ``CURL::libcurl``, if
+# curl has been found.
+#
+# Result Variables
+# ^^^^^^^^^^^^^^^^
+#
+# This module defines the following variables:
+#
+# ``CURL_FOUND``
+#   True if curl found.
+#
+# ``CURL_INCLUDE_DIRS``
+#   where to find curl/curl.h, etc.
+#
+# ``CURL_LIBRARIES``
+#   List of libraries when using curl.
+#
+# ``CURL_VERSION_STRING``
+#   The version of curl found.
+
+# Look for the header file.
+find_path(CURL_INCLUDE_DIR NAMES curl/curl.h)
+mark_as_advanced(CURL_INCLUDE_DIR)
+
+if(NOT CURL_LIBRARY)
+  # Look for the library (sorted from most current/relevant entry to least).
+  find_library(CURL_LIBRARY_RELEASE NAMES
+      curl
+    # Windows MSVC prebuilts:
+      curllib
+      libcurl_imp
+      curllib_static
+    # Windows older "Win32 - MSVC" prebuilts (libcurl.lib, e.g. libcurl-7.15.5-win32-msvc.zip):
+      libcurl
+  )
+  find_library(CURL_LIBRARY_DEBUG NAMES
+    # Windows MSVC CMake builds in debug configuration on vcpkg:
+      libcurl-d_imp
+      libcurl-d
+  )
+  include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
+  select_library_configurations(CURL)
+  mark_as_advanced(CURL_LIBRARY_RELEASE CURL_LIBRARY_DEBUG)
+endif()
+
+if(CURL_INCLUDE_DIR)
+  foreach(_curl_version_header curlver.h curl.h)
+    if(EXISTS "${CURL_INCLUDE_DIR}/curl/${_curl_version_header}")
+      file(STRINGS "${CURL_INCLUDE_DIR}/curl/${_curl_version_header}" curl_version_str REGEX "^#define[\t ]+LIBCURL_VERSION[\t ]+\".*\"")
+
+      string(REGEX REPLACE "^#define[\t ]+LIBCURL_VERSION[\t ]+\"([^\"]*)\".*" "\\1" CURL_VERSION_STRING "${curl_version_str}")
+      unset(curl_version_str)
+      break()
+    endif()
+  endforeach()
+endif()
+
+include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(CURL
+                                  REQUIRED_VARS CURL_LIBRARY CURL_INCLUDE_DIR
+                                  VERSION_VAR CURL_VERSION_STRING)
+
+if(CURL_FOUND)
+  set(CURL_LIBRARIES ${CURL_LIBRARY})
+  set(CURL_INCLUDE_DIRS ${CURL_INCLUDE_DIR})
+
+  if(NOT TARGET CURL::libcurl)
+    add_library(CURL::libcurl UNKNOWN IMPORTED)
+    set_target_properties(CURL::libcurl PROPERTIES
+      INTERFACE_INCLUDE_DIRECTORIES "${CURL_INCLUDE_DIRS}")
+
+    if(EXISTS "${CURL_LIBRARY}")
+      set_property(TARGET CURL::libcurl APPEND PROPERTY
+        IMPORTED_LOCATION "${CURL_LIBRARY}")
+      set_target_properties(CURL::libcurl PROPERTIES
+        IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+        INPORTED_LOCATION "${CURL_LIBRARY}")
+    endif()
+    if(EXISTS "${CURL_LIBRARY_RELEASE}")
+      set_property(TARGET CURL::libcurl APPEND PROPERTY
+        IMPORTED_CONFIGURATION RELEASE)
+      set_target_properties(CURL::libcurl PROPERTIES
+        IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+        INPORTED_LOCATION_RELEASE "${CURL_LIBRARY_RELEASE}")
+    endif()
+    if(EXISTS "${CURL_LIBRARY_DEBUG}")
+      set_property(TARGET CURL::libcurl APPEND PROPERTY
+        IMPORTED_CONFIGURATION DEBUG)
+      set_target_properties(CURL::libcurl PROPERTIES
+        IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+        INPORTED_LOCATION_DEBUG "${CURL_LIBRARY_DEBUG}")
+    endif()
+  endif()
+endif()
+
+mark_as_advanced(CURL_LIBRARY)

ports/curl/portfile.cmake

@@ -112,16 +112,8 @@ endif()
 
 if(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
     file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/bin ${CURRENT_PACKAGES_DIR}/debug/bin)
-    # Drop debug suffix, as FindCURL.cmake does not look for it
-    if(EXISTS "${CURRENT_PACKAGES_DIR}/debug/lib/libcurl-d.lib")
-        file(RENAME ${CURRENT_PACKAGES_DIR}/debug/lib/libcurl-d.lib ${CURRENT_PACKAGES_DIR}/debug/lib/libcurl.lib)
-    endif()
 else()
     file(REMOVE ${CURRENT_PACKAGES_DIR}/bin/curl-config ${CURRENT_PACKAGES_DIR}/debug/bin/curl-config)
-    if(EXISTS "${CURRENT_PACKAGES_DIR}/lib/libcurl_imp.lib")
-        file(RENAME ${CURRENT_PACKAGES_DIR}/lib/libcurl_imp.lib ${CURRENT_PACKAGES_DIR}/lib/libcurl.lib)
-        file(RENAME ${CURRENT_PACKAGES_DIR}/debug/lib/libcurl-d_imp.lib ${CURRENT_PACKAGES_DIR}/debug/lib/libcurl.lib)
-    endif()
 endif()
 
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/lib/pkgconfig ${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig)

ports/curl/usage

@@ -1,5 +1,11 @@
-The package curl is compatible with built-in CMake targets:
+The package curl is compatible with CMake targets:
 
-    find_package(CURL REQUIRED)
+    find_package(CURL CONFIG REQUIRED)
     target_link_libraries(main PRIVATE ${CURL_LIBRARIES})
     target_include_directories(main PRIVATE ${CURL_INCLUDE_DIRS})
+
+If you want to use find_pacakge(CURL MODULE REQUIRED),
+you need to override cmake module with a bundled one,
+because built-in CMake module has a bug not to be able to find debug
+library in Windows. https://gitlab.kitware.com/cmake/cmake/issues/17887
+Please copy FindCURL.cmake into where CMAKE_MODULE_PATH specified.