It is good to have a way to test for the existence of macro functions,
and since they are really just a special case of single-line macros,
allow %ifdef to test for them instead of coming up with something
entirely new.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Add a function to test for the existence of a file, and a function
query the real operating system path, if available.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Implement preprocessor function equivalents of the %pathsearch and
%depend directives.
Simplify the incbin standard macro by using these functions.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Link from %if to %is(), not just the other way.
Clarify that %is() is valid everywhere, not just in an %if expression
(unlike defined() in C.)
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
The %unimacro directive is almost a footnote, but it is really
important to use the correct directive. Put it on equal footing with
%unmacro.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Make the source code for the documentation a little easier to deal
with by breaking it into individual chapter files. Add support to
rdsrc.pl for auto-generating dependencies.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
