[Resend: Stupid required mail program....argh!]
Hello,
To the best of my knowledge, currently there's no way to determine the name of the
makefile currently being read. This information is useful to me, and I'd like to
implement a 'thisfile' function that returns it. The change would be minimal;
basically I'd need to add func_thisfile() and ouput the reading_file->filenm string.
Also, a small change to lookup_function() is required so that we don't always assume
that a function name has a whitespace or '\0' after it.
Would such a change be acceptable for inclusion in the next release? Of course I will
implement, thoroughly test, and document it.
In case you're wondering, I use the name of the makefile stub to generate a variable
name prefix to avoid name collisions anywhere within a mountain of makefiles. This
can be used to implement a very simple non-recursive process. For example (just off
the top of my head):
%.o : %.c
$(CC) $(if $($(call get_prefix,$(@D))_CFLAGS),$($(call
get_prefix,$(@D))_CFLAGS),$(CFLAGS))
In other words, here if an included makefile stub has a variable $(call get_prefix
$(dir $(thisfile)))_CFLAGS set, it will be used for files in the same directory;
otherwise the default CFLAGS will be used. There's probably other circumstances where
$(thisfile) would come in handy, also.
Thanks,
Mark
Mark Haigh
Sr. Firmware Engineer
SonicWALL, Inc
m h a i g h @ s o n i c w a l l . c o m
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