[vcpkg-baseline][zxing-cpp] Fix build failure

ports/libiconv/CONTROL

@@ -1,4 +1,4 @@
 Source: libiconv
-Version: 1.16-2
+Version: 1.16-3
 Homepage: https://www.gnu.org/software/libiconv/
 Description: GNU Unicode text conversion

ports/libiconv/portfile.cmake

@@ -37,6 +37,8 @@ vcpkg_fixup_cmake_targets(CONFIG_PATH share/unofficial-iconv TARGET_PATH share/u
 
 vcpkg_copy_pdbs()
 
+file(COPY ${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake DESTINATION ${CURRENT_PACKAGES_DIR}/share/Iconv)
+
 file(INSTALL ${SOURCE_PATH}/COPYING.LIB DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
 
 vcpkg_test_cmake(PACKAGE_NAME unofficial-iconv)

ports/libiconv/vcpkg-cmake-wrapper.cmake

@@ -0,0 +1,10 @@
+include(SelectLibraryConfigurations)
+
+_find_package(${ARGS})
+if(Iconv_FOUND)
+    find_library(CHARSET_LIBRARY_DEBUG NAMES charsetd libcharsetd charset libcharset NAMES_PER_DIR PATH_SUFFIXES lib PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/debug" NO_DEFAULT_PATH)
+    find_library(CHARSET_LIBRARY_RELEASE NAMES charset libcharset NAMES_PER_DIR PATH_SUFFIXES lib PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}" NO_DEFAULT_PATH)
+    find_library(CHARSET_LIBRARY_RELEASE NAMES charset libcharset NAMES_PER_DIR PATH_SUFFIXES lib)
+    select_library_configurations(CHARSET)
+    list(APPEND Iconv_LIBRARIES ${CHARSET_LIBRARIES})
+endif()

ports/zxing-cpp/0002-improve-features.patch

@@ -0,0 +1,39 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 5ade734..54071bd 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -3,6 +3,8 @@ cmake_minimum_required(VERSION 3.0)
+ project(zxing)
+ set(CMAKE_CXX_STANDARD 11)
+ option(BUILD_TESTING "Enable generation of test targets" OFF)
++option(WITH_OPENCV "Build with opencv" OFF)
++option(WITH_ICONV "Build with iconv" OFF)
+
+ set(CMAKE_LIBRARY_PATH /opt/local/lib ${CMAKE_LIBRARY_PATH})
+
+@@ -43,8 +45,8 @@ if(WIN32)
+ endif()
+
+ # OpenCV classes
+-find_package(OpenCV)
+-if(OpenCV_FOUND)
++if(WITH_OPENCV)
++    find_package(OpenCV REQUIRED)
+     list(APPEND LIBZXING_FILES
+         opencv/src/zxing/MatSource.cpp
+         opencv/src/zxing/MatSource.h
+@@ -58,10 +60,10 @@ include_directories(core/src)
+ add_library(libzxing ${LIBZXING_FILES})
+ set_target_properties(libzxing PROPERTIES PREFIX "")
+
+-find_package(Iconv)
+-if(ICONV_FOUND)
+-    include_directories(${ICONV_INCLUDE_DIR})
+-    target_link_libraries(libzxing ${ICONV_LIBRARIES})
++if(WITH_ICONV)
++    find_package(Iconv REQUIRED)
++    include_directories(${Iconv_INCLUDE_DIRS})
++    target_link_libraries(libzxing ${Iconv_LIBRARIES})
+ else()
+     add_definitions(-DNO_ICONV=1)
+ endif()

ports/zxing-cpp/CONTROL

@@ -1,5 +1,13 @@
 Source: zxing-cpp
-Version: 3.3.3-6
+Version: 3.3.3-7
 Homepage: https://github.com/glassechidna/zxing-cpp
-Build-Depends: opencv
 Description: Barcode detection and decoding library.
+Default-Features: opencv, iconv
+
+Feature: opencv
+Build-Depends: opencv
+Description: Build with opencv
+
+Feature: iconv
+Build-Depends: libiconv
+Description: Build with libiconv

ports/zxing-cpp/portfile.cmake

@@ -1,5 +1,3 @@
-include(vcpkg_common_functions)
-
 vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
 
 vcpkg_from_github(
@@ -10,16 +8,29 @@ vcpkg_from_github(
     HEAD_REF master
     PATCHES
       0001-opencv4-compat.patch
+      0002-improve-features.patch
+)
+
+file(REMOVE ${SOURCE_PATH}/cmake/FindModules/FindIconv.cmake)
+
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    FEATURES
+    opencv WITH_OPENCV
+    iconv WITH_ICONV
 )
 
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
     PREFER_NINJA
-    OPTIONS -DCMAKE_DISABLE_FIND_PACKAGE_Iconv=ON
+    OPTIONS  ${FEATURE_OPTIONS}
 )
 
 vcpkg_install_cmake()
 
+vcpkg_copy_pdbs()
+
+vcpkg_copy_tool_dependencies(${CURRENT_PACKAGES_DIR}/tools/${PORT})
+
 vcpkg_fixup_cmake_targets(CONFIG_PATH lib/zxing/cmake TARGET_PATH share/zxing)
 
 file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/tools/${PORT})
@@ -28,18 +39,12 @@ if (NOT VCPKG_CMAKE_SYSTEM_NAME OR VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStor
 else()
     file(COPY ${CURRENT_PACKAGES_DIR}/bin/zxing DESTINATION ${CURRENT_PACKAGES_DIR}/tools/${PORT})
 endif()
-vcpkg_copy_tool_dependencies(${CURRENT_PACKAGES_DIR}/tools/${PORT})
 
-vcpkg_copy_pdbs()
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/bin)
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/lib/zxing)
-file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/lib/pkgconfig)
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/bin)
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
-file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig)
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/lib/zxing)
 
 # Handle copyright
-file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/share/zxing-cpp)
-file(COPY ${SOURCE_PATH}/COPYING DESTINATION ${CURRENT_PACKAGES_DIR}/share/zxing-cpp)
-file(RENAME ${CURRENT_PACKAGES_DIR}/share/zxing-cpp/COPYING ${CURRENT_PACKAGES_DIR}/share/zxing-cpp/copyright)
+file(INSTALL ${SOURCE_PATH}/COPYING DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)