Fix SEGV on exit when using python 3.12 and raise minimum required version to 3.4.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

configure.py

@@ -389,8 +389,8 @@ def main(argv):
     """
     siputils.inform("This is SIP-TQt %s for Python %s on %s platform." % (sip_version_str, sys.version.split()[0], sys.platform))
 
-    if py_version < 0x030300:
+    if py_version < 0x030400:
-        siputils.error("This version of SIP-TQt requires Python v3.3 or later.")
+        siputils.error("This version of SIP-TQt requires Python v3.4 or later.")
 
     global extra_lib_dir
 

siplib/sip-tqt.h

@@ -46,8 +46,8 @@ extern "C" {
 
 
 /* Sanity check on the Python version. */
-#if PY_VERSION_HEX < 0x03030000
+#if PY_VERSION_HEX < 0x03040000
-#error "This version of SIP-TQt requires Python v3.3 or later"
+#error "This version of SIP-TQt requires Python v3.4 or later"
 #endif
 
 

siplib/siplib.c

@@ -1610,7 +1610,7 @@ void *sip_api_malloc(size_t nbytes)
 {
     void *mem;
 
-    if ((mem = PyMem_Malloc(nbytes)) == NULL)
+    if ((mem = PyMem_RawMalloc(nbytes)) == NULL)
         PyErr_NoMemory();
 
     return mem;
@@ -1622,7 +1622,7 @@ void *sip_api_malloc(size_t nbytes)
  */
 void sip_api_free(void *mem)
 {
-    PyMem_Free(mem);
+    PyMem_RawFree(mem);
 }