Build python3 with debug flags if --enable-debug

...the special case for AIX can probably be cleaned up?

Change-Id: I34ca29acaddcff9b811067504c12a8243a6d046b

python3/ExternalProject_python3.mk

@@ -63,8 +63,10 @@ $(call gb_ExternalProject_get_state_target,python3,build) :
 		$(if $(filter TRUE,$(ENABLE_VALGRIND)),--with-valgrind) \
 		--prefix=/python-inst \
 		$(if $(filter MACOSX,$(OS)),,--with-system-expat) \
-		$(if $(filter AIX,$(OS)),--disable-ipv6 --with-threads \
-			OPT="-g0 -fwrapv -O3 -Wall") \
+		$(if $(filter AIX,$(OS)), \
+			--disable-ipv6 --with-threads OPT="-g0 -fwrapv -O3 -Wall", \
+			$(if $(gb_Module_CURRENTMODULE_DEBUG_ENABLED), \
+				OPT="$(gb_COMPILERNOOPTFLAGS) $(gb_DEBUG_CFLAGS)")) \
 		$(if $(filter WNT-GCC,$(OS)-$(COM)),--with-threads ac_cv_printf_zd_format=no) \
 		$(if $(filter MACOSX,$(OS)), \
 			$(if $(filter INTEL POWERPC,$(CPUNAME)),--enable-universalsdk=$(MACOSX_SDK_PATH) --with-universal-archs=32-bit) --enable-framework=/@__________________________________________________OOO --with-framework-name=LibreOfficePython, \