> Note:
>
> The ".cxx" extension is used because it is the only common C++ extension
-> between Linux, OS X, UNIX, and Windows.
+> between Linux, macOS, UNIX, and Windows.
The top of each source file contains a header giving the purpose or nature of
the source file and the copyright and licensing notice:
depend:
TAB $(CC) -MM $(ALL_CFLAGS) $(OBJS:.o=.c) >Dependencies
-We regenerate the automatic dependencies on an OS X system and express any
-non-OS X dependencies statically in the makefile.
+We regenerate the automatic dependencies on an macOS system and express any
+non-macOS dependencies statically in the makefile.
### INSTALL/UNINSTALL SUPPORT