Cygwin gcc-3.3.1 and pragma interface/implementation statements

[Milton Woods]

Greetings,

When building LyX version 1.3.x from source on Cygwin, I had problems 
during the final link stage where gcc-3.3.1 reported some undefined 
symbols. All of the 'undefined' symbols were actually defined in the LyX 
source code, and the compilation proceeded without errors on Linux. I 
found that the compilation was also successful on Cygwin once the 
#pragma interface/implementation statements were removed from the LyX 
source code. The LyX developers had taken reasonable care to protect the 
#pragma statements from incompatible compilers by using "#ifdef __GNUG__ 
" wrappers, but that did not seem to be good enough.

Does this experience reflect a bug in the gcc toolchain? Or are the LyX 
developers using #pragma statements incorrectly?

Milton Woods.



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