------- Comment #8 from acahalan at gmail dot com  2006-09-27 03:47 -------
(In reply to comment #5)
> Did you read the documention?
> Warning: if you use this switch, and num is nonzero, then you must build all
> modules with the same value, including any libraries. This includes the system
> libraries and startup modules. 
> 
> Warning: this calling convention is incompatible with the one normally used on
> Unix, so you cannot use it if you need to call libraries compiled with the 
> Unix
> compiler.

I sure as heck did read this. It is the problem.
Every time I read that, I am annoyed that gcc
does not take advantage of the "system headers"
concept to make things work OK.

The mingw32 example in Comment #7 has a defect. System headers do not
always come from one single supplier. On a typical Linux system, there
are header files from numerous packages installed in /usr/include.
There is no reasonable way to get them all marked up with the ABI.

This would be a fine interface:

gcc -mregparm-app-only=3 ...

(likewise for -mrtd as -mrtd-app-only, etc.)


-- 

acahalan at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|INVALID                     |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29242

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