diff --git a/science/dlib-cpp/files/patch-dlib_global__optimization_find__max__global.h b/science/dlib-cpp/files/patch-dlib_global__optimization_find__max__global.h
new file mode 100644
index 000000000000..5c15321b552f
--- /dev/null
+++ b/science/dlib-cpp/files/patch-dlib_global__optimization_find__max__global.h
@@ -0,0 +1,11 @@
+--- dlib/global_optimization/find_max_global.h.orig	2022-05-08 14:35:36 UTC
++++ dlib/global_optimization/find_max_global.h
+@@ -58,7 +58,7 @@ namespace dlib
+             }
+ 
+             template <typename T>
+-            static auto go(T&& f, const matrix<double,0,1>& a) -> decltype(call_function_and_expand_args<max_unpack-1>::template go(std::forward<T>(f),a))
++            static auto go(T&& f, const matrix<double,0,1>& a) -> decltype(call_function_and_expand_args<max_unpack-1>::template go<>(std::forward<T>(f),a))
+             {
+                 return call_function_and_expand_args<max_unpack-1>::go(std::forward<T>(f),a);
+             }
diff --git a/science/dlib-cpp/files/patch-dlib_serialize.h b/science/dlib-cpp/files/patch-dlib_serialize.h
new file mode 100644
index 000000000000..dffe293a1797
--- /dev/null
+++ b/science/dlib-cpp/files/patch-dlib_serialize.h
@@ -0,0 +1,10 @@
+--- dlib/serialize.h.orig	2022-05-08 14:35:36 UTC
++++ dlib/serialize.h
+@@ -626,6 +626,7 @@ namespace dlib
+     USE_DEFAULT_INT_SERIALIZATION_FOR(unsigned long)
+     USE_DEFAULT_INT_SERIALIZATION_FOR(uint64)
+     USE_DEFAULT_INT_SERIALIZATION_FOR(int64)
++    USE_DEFAULT_INT_SERIALIZATION_FOR(char32_t)
+ 
+     USE_DEFAULT_BYTE_SERIALIZATION_FOR(char)
+     USE_DEFAULT_BYTE_SERIALIZATION_FOR(signed char)
diff --git a/science/dlib-cpp/files/patch-dlib_unicode_unicode.h b/science/dlib-cpp/files/patch-dlib_unicode_unicode.h
new file mode 100644
index 000000000000..2262f242258d
--- /dev/null
+++ b/science/dlib-cpp/files/patch-dlib_unicode_unicode.h
@@ -0,0 +1,11 @@
+--- dlib/unicode/unicode.h.orig	2022-05-08 14:35:36 UTC
++++ dlib/unicode/unicode.h
+@@ -16,7 +16,7 @@ namespace dlib
+ 
+ // ----------------------------------------------------------------------------------------
+ 
+-    typedef uint32 unichar;
++    typedef char32_t unichar;
+ 
+ #if defined(__GNUC__) && __GNUC__ < 4 && __GNUC_MINOR__ < 4
+     struct unichar_traits