Errors
MSVC is a different compiler so naturally one might encounter errors while compiling KDE apps. Here is a bunch of tips on how to understand and fix them.
Learn what the error means
The compiler presents error in a form of:
PATH_TO_FILE(LINE) : error Cnnnn: error text
For example:
D:\Oss\kdelibs4\kio\misc\kwalletd\kwalletd.cpp(426) :
error C2653: 'KWin' : is not a class or namespace name
To learn what the error means go to the following url:
http://msdn.microsoft.com/library/default.asp
?url=/library/en-us/vccore/html/Cnnnn.asp
where nnnn is the number of the error MSVC reports.
Common errors
Using reserved identifiers
Using internal names for enum state naming, like
enum {
ERROR = 0,
DATA
} status;
Is wrong because ERROR is already used elsewhere in MSVC. So if you have a parsing problem around enums, just prefix the values with sth like STATUS_ or similar related to what information the enum stores.
Q_OBJECT problems with exports
file(39): see previous definition of 'public:
static QMetaObject const <YourClass>::staticMetaObject'
file(39) : error C2491: '<YourClass>::staticMetaObject' : definition of
dllimport static data member not allowed
YourClass probably uses some kind of visibility macro, this does not work with QOBJECT, which adds several static data to your class. Instead use the visibility macro on relevant methods you want to export, not on the entire class.
#warning directive
The directive #warning is a GCC extension, so if you get:
file(line) : fatal error C1021: invalid preprocessor command 'warning'
go to the relevant place in the file and add relevant ifdef's like the following:
#ifdef __GNUC__
#warning warning msg
#endif
