diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0768836ea..b65f438b9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -765,7 +765,7 @@ if(LIBC)
     set(HAVE_SIGNAL_H 1)
     foreach(_FN
             malloc calloc realloc free qsort abs memset memcpy memmove memcmp
-            wcslen wcslcpy wcslcat wcsdup wcsstr wcscmp wcsncmp
+            wcslen wcslcpy wcslcat wcsdup wcsstr wcscmp wcsncmp _wcsicmp _wcsnicmp
             strlen _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa
             _ultoa strtol strtoul strtoll strtod atoi atof strcmp strncmp
             _stricmp _strnicmp strtok_s sscanf
@@ -808,6 +808,7 @@ if(LIBC)
             _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull
             atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp
             wcscmp wcsdup wcslcat wcslcpy wcslen wcsncmp wcsstr
+            wcscasecmp _wcsicmp wcsncasecmp _wcsnicmp
             sscanf vsscanf vsnprintf fopen64 fseeko fseeko64 _Exit
             )
       string(TOUPPER ${_FN} _UPPER)
diff --git a/include/SDL_config.h.cmake b/include/SDL_config.h.cmake
index 9564898b2..f5905537e 100644
--- a/include/SDL_config.h.cmake
+++ b/include/SDL_config.h.cmake
@@ -100,6 +100,10 @@
 #cmakedefine HAVE_WCSSTR 1
 #cmakedefine HAVE_WCSCMP 1
 #cmakedefine HAVE_WCSNCMP 1
+#cmakedefine HAVE_WCSCASECMP 1
+#cmakedefine HAVE__WCSICMP 1
+#cmakedefine HAVE_WCSNCASECMP 1
+#cmakedefine HAVE__WCSNICMP 1
 #cmakedefine HAVE_STRLEN 1
 #cmakedefine HAVE_STRLCPY 1
 #cmakedefine HAVE_STRLCAT 1