Re: How to set the QT_DLL macro?
Angus Leeming <[email protected]>
| Newsgroups | gmane.comp.kde.devel.cygwin |
|---|---|
| Message-ID | <[email protected]> |
Ralf Habacker wrote: > On Friday 22 April 2005 13:32, Angus Leeming wrote: >> Angus Leeming wrote: >> >> On cygwin I'm using the following switch, which may help to prevet >> >> seg faults. It requires a relink of the qt-3.dll >> >> QMAKE_LFLAGS = >> >> -Wl,--script,$(QTDIR)/mkspecs/cygwin-g++/i386pe.x-no-rdata >> > >> > Now that is very, very interesting. I'll try it out. (Am I correct to >> > say that only the dll needs to be re-linked? >> >> Hi, Ralf. >> >> I have some good news and some bad news to report. >> >> a cross-compiled LyX/Win 1.3.x runs beautifully on Windows, but only >> when I use a natively compiled qt3.dll. If I try and use the >> cross-compiled qt3.dll, then I get the dreaded popup "The application >> failed to initialise itself correctly". > >> This is true both with a qt3.dll using the 'standard' linker options >> >> QMAKE_LFLAGS = -Wl,-enable-stdcall-fixup >> -Wl,-enable-auto-import -Wl,-enable-runtime-pseudo-reloc >> >> and when I add your script: >> >> QMAKE_LFLAGS = >> -Wl,--script,$(QTDIR)/mkspecs/cygwin-g++/i386pe.x-no-rdata >> -Wl,-enable-stdcall-fixup -Wl,-enable-auto-import >> -Wl,-enable-runtime-pseudo-reloc I see from your other reply that this would not have worked anyway, because I did not use the script when linking lyx.exe. > It is interesting that the problem is really the dll and not in the exe. > Seems that there is a seg fault in the dll startup code. Very difficult > to catch, because it is not clear from which part this comes. It may be a > mingw provided static lib or the mingw runtime library. (Do have used the > mingw runtime dll from the cross compile package ?) No, everything else is native Windows. Only lyx.exe and qt3.dll were produced by cross compilation. > If you have time you can try to profile the application with depends > http://www.dependencywalker.com/. It may give some hints about where the > seg fault happens. I currently think Windows is evil and would like to jump on its grave :) Give me a day or so to gather some energy. Angus