Mail Archives: cygwin/1997/08/23/01:26:40
Eric Britten <ebritten AT uci DOT edu> writes:
> > Is it possible to use MFC 4.1 using gnu-win32? If so, how?
>
> You need the source because VC++ and Borland C++ use a different name
> mangling conventions. If you can get the source to compile, you can
> then create static and dynamic link MFC libraries. DLLs with GCC are
> hard to create, I have had little luck with them.
How about using GCC's "ASM labels" mechanism to make inline functions
that invoke the MFC procedures? Is the calling convention compatible?
] Controlling Names Used in Assembler Code
] ========================================
]
] You can specify the name to be used in the assembler code for a C
] function or variable by writing the `asm' (or `__asm__') keyword after
] the declarator as follows:
]
] int foo asm ("myfoo") = 2;
]
] This specifies that the name to be used for the variable `foo' in the
] assembler code should be `myfoo' rather than the usual `_foo'.
]
] On systems where an underscore is normally prepended to the name of
] a C function or variable, this feature allows you to define names for
] the linker that do not start with an underscore.
]
] You cannot use `asm' in this way in a function *definition*; but you
] can get the same effect by writing a declaration for the function
] before its definition and putting `asm' there, like this:
]
] extern func () asm ("FUNC");
]
] func (x, y)
] int x, y;
] ...
]
] It is up to you to make sure that the assembler names you choose do
] not conflict with any other assembler symbols. Also, you must not use a
] register name; that would produce completely invalid assembler code.
] GNU CC does not as yet have the ability to store static variables in
] registers. Perhaps that will be added.
--
David Fox http://www.cat.nyu.edu/fox xoF divaD
NYU Media Research Lab fox AT cat DOT nyu DOT edu baL hcraeseR aideM UYN
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