[cmake] do not require NTDLL

client/Windows/CMakeLists.txt

@@ -101,8 +101,12 @@ list(APPEND LIBS winpr freerdp)
 
 find_library(MSIMG32 NAME msimg32 REQUIRED)
 find_library(CREDUI NAME credui REQUIRED)
-find_library(NTDLL NAME ntdll REQUIRED)
-list(APPEND LIBS ${MSIMG32} ${CREDUI} ${NTDLL})
+list(APPEND LIBS ${MSIMG32} ${CREDUI})
+
+find_library(NTDLL NAME ntdll) # optional, only required with MINGW
+if (NTDLL)
+    list(APPEND LIBS ${NTDLL})
+endif()
 target_link_libraries(${MODULE_NAME} PRIVATE ${LIBS})
 
 if(WITH_CLIENT_INTERFACE)

winpr/libwinpr/wtsapi/CMakeLists.txt

@@ -20,11 +20,13 @@ winpr_module_add(wtsapi.c)
 if(WIN32)
 	winpr_module_add(wtsapi_win32.c wtsapi_win32.h)
 
+    # Only required with MINGW
     find_library(NTDLL
         NAME ntdll
-        REQUIRED
     )
-    winpr_library_add_private(${NTDLL})
+    if (NTDLL)
+        winpr_library_add_private(${NTDLL})
+    endif()
 endif()
 
 if(BUILD_TESTING)

winpr/libwinpr/wtsapi/wtsapi_win32.c

@@ -32,6 +32,8 @@
 
 #include <winternl.h>
 
+#pragma comment(lib, "ntdll.lib")
+
 #define WTSAPI_CHANNEL_MAGIC 0x44484356
 #define TAG WINPR_TAG("wtsapi")