[uchardet] Add new port

ports/uchardet/CONTROL

@@ -0,0 +1,8 @@
+Source: uchardet
+Version: 2019-10-07
+Description: An encoding detector library ported from Mozilla
+Homepage: https://cgit.freedesktop.org/uchardet/uchardet/
+
+Feature: tool
+Description: Build uchardet CLI tool
+Build-Depends: getopt

ports/uchardet/fix-string-no-output-variable.patch

@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index bf68ec0..4863a5c 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -39,7 +39,7 @@ if (BUILD_SHARED_LIBS)
+ endif (BUILD_SHARED_LIBS)
+
+ if (TARGET_ARCHITECTURE STREQUAL "")
+-    string(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} TARGET_ARCHITECTURE)
++    string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" TARGET_ARCHITECTURE)
+ endif (TARGET_ARCHITECTURE STREQUAL "")
+
+ if (TARGET_ARCHITECTURE MATCHES ".*(x86)|(amd).*")

ports/uchardet/fix-tool-build-error.patch

@@ -0,0 +1,17 @@
+diff --git a/src/tools/uchardet.cpp b/src/tools/uchardet.cpp
+index f2aabfd..e49a9e2 100644
+--- a/src/tools/uchardet.cpp
++++ b/src/tools/uchardet.cpp
+@@ -35,11 +35,8 @@
+  *
+  * ***** END LICENSE BLOCK ***** */
+ #include "../uchardet.h"
+-#include <cstdio>
+-#include <cstring>
+-#include <cstdlib>
++#include <stdlib.h>
+ #include <getopt.h>
+-#include <iostream>
+ #include <stdio.h>
+
+ #ifndef VERSION

ports/uchardet/portfile.cmake

@@ -0,0 +1,59 @@
+include(vcpkg_common_functions)
+
+vcpkg_from_git(
+    OUT_SOURCE_PATH SOURCE_PATH
+    URL https://gitlab.freedesktop.org/uchardet/uchardet
+    REF bdfd6116a965fd210ef563613763e724424728b7
+    PATCHES
+        fix-string-no-output-variable.patch
+        fix-tool-build-error.patch
+        win32-getopt.patch
+)
+
+if(VCPKG_TARGET_IS_WINDOWS)
+    # On Windows, we can get a uchardet.dll, but it exports no symbols.
+    vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+endif()
+
+vcpkg_check_features(
+    OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    tool BUILD_BINARY
+)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS_DEBUG
+        -DBUILD_BINARY=OFF
+    OPTIONS_RELEASE
+        ${FEATURE_OPTIONS}
+    OPTIONS
+        -DBUILD_STATIC=ON
+)
+
+vcpkg_install_cmake()
+
+vcpkg_copy_pdbs()
+
+if(tool IN_LIST FEATURES)
+    file(COPY
+        ${CURRENT_PACKAGES_DIR}/bin/uchardet${VCPKG_TARGET_EXECUTABLE_SUFFIX}
+        DESTINATION ${CURRENT_PACKAGES_DIR}/tools/${PORT}
+    )
+
+    vcpkg_copy_tool_dependencies(${CURRENT_PACKAGES_DIR}/tools/${PORT})
+endif()
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL static)
+    file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/bin)
+else()
+    file(REMOVE ${CURRENT_PACKAGES_DIR}/bin/uchardet${VCPKG_TARGET_EXECUTABLE_SUFFIX})
+endif()
+
+file(REMOVE_RECURSE
+    ${CURRENT_PACKAGES_DIR}/debug/include
+    ${CURRENT_PACKAGES_DIR}/debug/share
+    ${CURRENT_PACKAGES_DIR}/share/man
+)
+
+configure_file(${SOURCE_PATH}/COPYING ${CURRENT_PACKAGES_DIR}/share/${PORT}/copyright COPYONLY)

ports/uchardet/win32-getopt.patch

@@ -0,0 +1,32 @@
+diff --git a/src/tools/CMakeLists.txt b/src/tools/CMakeLists.txt
+index fa15eb2..fbb4203 100644
+--- a/src/tools/CMakeLists.txt
++++ b/src/tools/CMakeLists.txt
+@@ -3,6 +3,15 @@ set(
+ 	uchardet.cpp
+ )
+
++if (WIN32)
++    find_path(GETOPT_INCLUDE_DIR NAMES getopt.h)
++    find_library(GETOPT_LIBRARY NAMES getopt)
++
++    if (NOT GETOPT_INCLUDE_DIR OR NOT GETOPT_LIBRARY)
++        message(FATAL_ERROR "getopt not found!")
++    endif ()
++endif ()
++
+ set(UCHARDET_BINARY uchardet)
+
+ add_executable(
+@@ -15,6 +24,11 @@ target_link_libraries(
+ 	${UCHARDET_LIBRARY}
+ )
+
++if (WIN32)
++    target_include_directories(${UCHARDET_BINARY} PRIVATE ${GETOPT_INCLUDE_DIR})
++    target_link_libraries(${UCHARDET_BINARY} PRIVATE ${GETOPT_LIBRARY})
++endif ()
++
+ install(
+ 	TARGETS
+ 		${UCHARDET_BINARY}