> Does anyone know of an option to GCC to create a cross-reference of
> what routines invoke other routines? GCC has about a zillion
> options, but I can't find one to do this (or one to generate a
> simple compiler listing for that matter).
On Unix/Linux, anyway, that's traditionally done with your editor
rather than the compiler. Emacs, for example, comes with an app
called etags that generates a database emacs can then use to jump
directly to the place where a function is defined, where a type is
declared, where a global variable is defined, etc. I understand that
vi has a similar capability.
I don't know if any of this is available in the 'Dows versions of these
fine editors.
--Eric House
PS Here's an example of how you'd use etags and emacs.
1) at a shell prompt, run 'etags *.c *.h' to build a TAGS file in the
current directory that's based on all the .h and .c files found
there. (I do this often enough that all my Makefiles now have a
"tags:" target.)
2) In emacs, type 'M-x visit-tags-file' and pull in the file TAGS you just
built.
3) In some .c file, put the cursor on the name of a function or macro
defined elsewhere in your code and type 'M-.' Emacs will jump
to the definition, opening the file if necessary.
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