code cleanup: remove unused macros, commet some which may be useful later - or good to keep for completeness. quieted some warnings and add flags -Wmissing-include-dirs and -Wno-div-by-zero to cmake/gcc

source/blender/python/intern/bpy_app_ffmpeg.c

@@ -77,8 +77,10 @@ static PyObject *make_ffmpeg_info(void)
 		return NULL;
 	}
 
+#if 0 // UNUSED
 #define SetIntItem(flag) \
 	PyStructSequence_SET_ITEM(ffmpeg_info, pos++, PyLong_FromLong(flag))
+#endif
 #define SetStrItem(str) \
 	PyStructSequence_SET_ITEM(ffmpeg_info, pos++, PyUnicode_FromString(str))
 #define SetObjItem(obj) \
@@ -118,7 +120,7 @@ static PyObject *make_ffmpeg_info(void)
 		return NULL;
 	}
 
-#undef SetIntItem
+// #undef SetIntItem
 #undef SetStrItem
 #undef SetObjItem
 

source/blender/python/intern/bpy_rna_anim.c

@@ -52,9 +52,6 @@
 #include "bpy_util.h"
 #include "bpy_rna_anim.h"
 
-#define TRUE 1
-#define FALSE 0
-
 /* for keyframes and drivers */
 static int pyrna_struct_anim_args_parse(
         PointerRNA *ptr, const char *error_prefix, const char *path,

source/blender/python/mathutils/mathutils_geometry.c

@@ -46,8 +46,6 @@
 #include "BLI_math.h"
 #include "BLI_utildefines.h"
 
-#define SWAP_FLOAT(a, b, tmp) tmp = a; a = b; b = tmp
-
 /*-------------------------DOC STRINGS ---------------------------*/
 PyDoc_STRVAR(M_Geometry_doc,
 "The Blender geometry module"