On 2012-11-29 16:39:18 +0200, Martin Storsjö wrote:
> The def files are used for generating import libraries for
> other toolchains (in particular, for generating import libraries
> for MSVC for DLLs built with mingw).
> 
> The def files produced by mingw/gcc contains ordinals for each
> exported function. When MSVC tools generate import libraries
> from such a def file, MSVC links to the DLL by the ordinals
> instead of linking by name.
> 
> Since the def files aren't maintained by hand, the ordinal
> numbers are assigned (more or less) randomly and any caller
> linking to the libs by ordinals will break as soon as the libraries
> export more/fewer functions.
> 
> Therefore, strip out the ordinals from the generated def files,
> to make users link to the libraries by name.
> 
> Callers linking to the DLLs using the gcc provided import library
> link by name as they should.
> 
> ---
> The filtering via sed, especially using a temporary file, obviously
> feels a bit kludgy and ugly, suggestions on better ways of doing it
> are welcome.

unnecessary use of cat, posix sed supports file operands. No in-place
editing though.

Is it possible to recreate the .def files explicitly with
SLIB_CREATE_DEF_CMD?

Janne
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