vcpkg/ports/gdcm/fix-dependence-getopt.patch

diff --git a/Utilities/CMakeLists.txt b/Utilities/CMakeLists.txt
index 4cdc999..c6ede41 100644
--- a/Utilities/CMakeLists.txt
+++ b/Utilities/CMakeLists.txt
@@ -69,6 +69,7 @@ if(NOT GDCM_USE_SYSTEM_ZLIB)
 endif()
 
 # Do getopt
+if(NOT USE_VCPKG_GETOPT)
 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/getopt)
   APPEND_COPYRIGHT(${CMAKE_CURRENT_SOURCE_DIR}/getopt/COPYING)
   if(WIN32 AND NOT CYGWIN AND NOT MINGW)
@@ -79,6 +80,7 @@ if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/getopt)
     add_subdirectory(getopt)
   endif()
 endif()
+endif()
 
 # you could be running mingw32 on linux in which case you do NOT want the gdcmuuid lib
 APPEND_COPYRIGHT(${CMAKE_CURRENT_SOURCE_DIR}/gdcmuuid/COPYING)
diff --git a/Utilities/VTK/Applications/CMakeLists.txt b/Utilities/VTK/Applications/CMakeLists.txt
index a7f7e7e..ab89a73 100644
--- a/Utilities/VTK/Applications/CMakeLists.txt
+++ b/Utilities/VTK/Applications/CMakeLists.txt
@@ -60,7 +60,12 @@ foreach(app ${GDCM_VTK_APPS})
     endif()
   endif()
   if(WIN32 AND NOT CYGWIN)
-    target_link_libraries(${app} gdcmgetopt)
+    if(USE_VCPKG_GETOPT)
+        find_package(unofficial-getopt-win32 REQUIRED)
+        target_link_libraries(${app} PRIVATE unofficial::getopt-win32::getopt)
+    else()
+        target_link_libraries(${app} gdcmgetopt)
+    endif()
   endif()
   if(NOT GDCM_INSTALL_NO_RUNTIME)
     install(TARGETS ${app}