Mixing C++ between compilers generally doesn't work. See the c++-faq lite for more details.
Rob > -----Original Message----- > From: Dennis Jarosch [mailto:[EMAIL PROTECTED]] > Sent: Thursday, May 23, 2002 8:33 PM > To: [EMAIL PROTECTED] > Subject: linking cygwin built dll with Borland C++Builder > > > Hi!! > > I have successfully built a .dll with cygwin (c-Files, using the > mingw-compiler) and converted it to a .lib using Borland's implib. > > Using the .lib in my Borland C++Builder 5 project is no > problem at all, > however there seem to be alignment problems between the gcc .dll/.lib > and the Borland code. :-( > > The problem is that I have created a C++ wrapper to the c-dll > and I am > exchanging data with structs. I have a malloced mem-space containing > structs and as I iterate through it, the struct-data gets > mixed up. What > I am saysing is that only the first element is correct. I > have been able > to (dirty hack) solve this problem by casting to char* and > incrementing > by 4 byte * iteration, because this is what is lost in every > iteration. > > Also, when I try to free the allocated mem-space I sometimes get > exceptions, which I suspect is due to the different interpretation of > the structs in memory! > > I have tried the -fnative-struct switch in gcc, as well as many other > flags. I have also played with Borland's alignment (byte... > quad word). > > Has anyone made similar experiences, or does anybody have any > hints on > how to correct these problems? > > Please help! ;-) > > Thanks! > > Dennis > > PS: I am not subscribed to the list > > > > -- > Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple > Bug reporting: http://cygwin.com/bugs.html > Documentation: http://cygwin.com/docs.html > FAQ: http://cygwin.com/faq/ > > -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
