diff --git a/Utilities/cmcurl/CMakeLists.txt b/Utilities/cmcurl/CMakeLists.txt
index 8000b91786..ef6c269e89 100644
--- a/Utilities/cmcurl/CMakeLists.txt
+++ b/Utilities/cmcurl/CMakeLists.txt
@@ -11,12 +11,15 @@ set(CURL_USE_GSSAPI OFF)
 set(CURL_USE_LIBPSL OFF)
 set(CURL_USE_LIBSSH2 OFF)
 set(CURL_USE_LIBSSH OFF)
+set(CURL_USE_LIBUV OFF)
 set(CURL_USE_MBEDTLS OFF)
 set(CURL_USE_NSS OFF)
 set(CURL_USE_OPENLDAP OFF)
 set(CURL_USE_OPENSSL "${CMAKE_USE_OPENSSL}")
+set(CURL_USE_PKGCONFIG OFF)
 set(CURL_USE_SCHANNEL OFF)
 set(CURL_USE_SECTRANSP OFF)
+set(CURL_USE_WOLFSSH OFF)
 set(CURL_USE_WOLFSSL OFF)
 set(CURL_BROTLI OFF)
 set(CURL_DISABLE_ALTSVC ON)
@@ -54,6 +57,7 @@ set(CURL_DISABLE_POP3 ON CACHE INTERNAL "Disable curl pop3 protocol?")
 set(CURL_DISABLE_PROGRESS_METER OFF)
 set(CURL_DISABLE_PROXY OFF CACHE INTERNAL "Do not disable curl proxy")
 set(CURL_DISABLE_RTSP ON CACHE INTERNAL "Disable curl rtsp protocol?")
+set(CURL_DISABLE_SHA512_256 OFF)
 set(CURL_DISABLE_SHUFFLE_DNS OFF)
 set(CURL_DISABLE_SMB OFF)
 set(CURL_DISABLE_SMTP ON CACHE INTERNAL "Disable curl smtp protocol?")
@@ -741,7 +745,9 @@ if(CURL_USE_SECTRANSP)
     set(_valid_default_ssl_backend TRUE)
   endif()
 
+  if(0) # This code not needed for building within CMake.
   message(WARNING "Secure Transport does not support TLS 1.3.")
+  endif()
 endif()
 
 if(_use_core_foundation_and_core_services)
@@ -823,7 +829,9 @@ if(CURL_USE_BEARSSL)
   endif()
   set(_curl_ca_bundle_supported TRUE)
 
+  if(0) # This code not needed for building within CMake.
   message(WARNING "BearSSL does not support TLS 1.3.")
+  endif()
 endif()
 
 if(CURL_USE_WOLFSSL)
@@ -1265,7 +1273,7 @@ option(USE_LIBIDN2 "Use libidn2 for IDN support" ON)
 set(HAVE_IDN2_H OFF)
 set(HAVE_LIBIDN2 OFF)
 if(USE_LIBIDN2 AND NOT USE_APPLE_IDN AND NOT USE_WIN32_IDN)
-  find_package(Libidn2)
+  find_package(Libidn2 QUIET)
   if(LIBIDN2_FOUND)
     set(CURL_LIBS "${LIBIDN2_LIBRARIES};${CURL_LIBS}")
     list(APPEND CURL_LIBDIRS ${LIBIDN2_LIBRARY_DIRS})