python314-devel: add compatibility patches for macOS < 10.15

lang/python314-devel/Portfile

@@ -38,6 +38,9 @@ if {${os.platform} eq "darwin" && ${os.major} <= 10} {
                        patch-threadid-older-systems.diff
 }
 
+patchfiles-append   patch-lib-memzero0-remove-memset-s.diff \
+                    patch-target-mm-malloc.diff
+
 depends_build       path:bin/pkg-config:pkgconfig
 depends_lib         port:bzip2 \
                     port:expat \

lang/python314-devel/files/patch-lib-memzero0-remove-memset-s.diff

@@ -0,0 +1,23 @@
+memset_s() is not available on macOS < 10.9, use simple volatile implementation.
+--- Modules/_hacl/Lib_Memzero0.c
++++ Modules/_hacl/Lib_Memzero0.c
+@@ -8,6 +8,10 @@
+ #include <windows.h>
+ #endif
+
++#if defined(__APPLE__) && defined(__MACH__)
++#include <AvailabilityMacros.h>
++#endif
++
+ #if (defined(__APPLE__) && defined(__MACH__)) || defined(__linux__)
+ #define __STDC_WANT_LIB_EXT1__ 1
+ #include <string.h>
+@@ -37,7 +41,7 @@ void Lib_Memzero0_memzero0(void *dst, uint64_t len) {
+
+   #ifdef _WIN32
+     SecureZeroMemory(dst, len_);
+-  #elif defined(__APPLE__) && defined(__MACH__)
++  #elif defined(__APPLE__) && defined(__MACH__) && defined(MAC_OS_X_VERSION_MIN_REQUIRED) && (MAC_OS_X_VERSION_MIN_REQUIRED >= 1090)
+     memset_s(dst, len_, 0, len_);
+   #elif (defined(__linux__) && !defined(LINUX_NO_EXPLICIT_BZERO)) || defined(__FreeBSD__)
+     explicit_bzero(dst, len_);

lang/python314-devel/files/patch-target-mm-malloc.diff

@@ -0,0 +1,37 @@
+There is no support for aligned_malloc() in macOS < 10.15. Instead of blocking SIMD, just fallback to using _mm_malloc().
+--- Modules/_hacl/include/krml/internal/target.h
++++ Modules/_hacl/include/krml/internal/target.h
+@@ -19,6 +19,11 @@
+ #  define inline __inline__
+ #endif
+
++/* Include Apple-specific macros for use in defining KRML_ALIGNED_MALLOC. */
++#if defined(__APPLE__) && defined(__MACH__)
++#include <AvailabilityMacros.h>
++#endif
++
+ /******************************************************************************/
+ /* Macros that KaRaMeL will generate.                                         */
+ /******************************************************************************/
+@@ -123,7 +128,8 @@
+ #endif
+
+ /* MinGW-W64 does not support C11 aligned_alloc, but it supports
+- * MSVC's _aligned_malloc.
++ * MSVC's _aligned_malloc. Also, fallback to use mm_malloc.h
++ * implementation for macOS systems prior to 10.15 Catalina.
+  */
+ #ifndef KRML_ALIGNED_MALLOC
+ #  ifdef __MINGW32__
+@@ -133,6 +139,11 @@
+       defined(_MSC_VER) ||                                                     \
+       (defined(__MINGW32__) && defined(__MINGW64_VERSION_MAJOR)))
+ #    define KRML_ALIGNED_MALLOC(X, Y) _aligned_malloc(Y, X)
++#  elif defined(__APPLE__) && defined(__MACH__) &&                             \
++        defined(MAC_OS_X_VERSION_MIN_REQUIRED) &&                              \
++        (MAC_OS_X_VERSION_MIN_REQUIRED < 101500)
++#    include <mm_malloc.h>
++#    define KRML_ALIGNED_MALLOC(X, Y) _mm_malloc(Y, X)
+ #  else
+ #    define KRML_ALIGNED_MALLOC(X, Y) aligned_alloc(X, Y)
+ #  endif