BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Problem on converting BCB6 project to C++ builder 2006          BorlandTalk.com Forum Index -> C++ Builder (Upgrade) View previous topic :: View next topic   Author Message Daniel Guest Posted: Thu Dec 14, 2006 11:50 pm    Post subject: Problem on converting BCB6 project to C++ builder 2006 Hello, We have a problem when we are trying to convert our BCB6 project into C++ builder 2006. Building project has no problem. But when we are trying to execute the .exe file. it reports many access violation problems. Are there anything We should be careful, when we convert the old project into new one? Thanks Back to top Craig Farrell Guest Posted: Sat Dec 16, 2006 2:32 am    Post subject: Re: Problem on converting BCB6 project to C++ builder 2006 Hi, Quote: Building project has no problem. But when we are trying to execute the .exe file. it reports many access violation problems. Are there anything We should be careful, when we convert the old project into new one? I suggest creating a brand new project in BDS that is similar to the one you are upgrading. Then go to Tools | Options | Compiling and Running and turn ON "Show command line" and look for obvious differences in the switches and libs between the two projects. Some ideas: -make sure all .obj's and .lib's are being rebuilt by deleting them. Don't depend on "Build All" to do that, e.g. you could have #pragma link's in there. -Check the switches relating to things like data alignment, size of enum's, etc. -If you use STL look into that, are you getting the correct one? --Craig Back to top Sean Klingler Guest Posted: Sat Dec 16, 2006 7:42 pm    Post subject: Re: Problem on converting BCB6 project to C++ builder 2006 Craig Farrell wrote: Quote: Hi, Building project has no problem. But when we are trying to execute the .exe file. it reports many access violation problems. Are there anything We should be careful, when we convert the old project into new one? I suggest creating a brand new project in BDS that is similar to the one you are upgrading. Then go to Tools | Options | Compiling and Running and turn ON "Show command line" and look for obvious differences in the switches and libs between the two projects. Some ideas: -make sure all .obj's and .lib's are being rebuilt by deleting them. Don't depend on "Build All" to do that, e.g. you could have #pragma link's in there. -Check the switches relating to things like data alignment, size of enum's, etc. -If you use STL look into that, are you getting the correct one? --Craig My company also is just getting started on upgrading from BCB 5 Pro to BDS 2006. Things just aren't working. We're just getting started, but even our simplest apps aren't yet running. I can get one app that links to a very small set of DLLs to load, but to do it the exe has to delay load the dll, and that dll has to delay load all of it's DLLs. Further, I've been having to cannibalize functionality until it loads. I didn't have to do this in BCB 5. And delay loading DLLs does not help any other apps. Since it's the weekend, I'm not next to the machine that has the new builder on it, so I can't look myself. Your statement about getting the correct STL is interesting to me. We use the STL in almost every file. Which options do I have for the STL? I thought Dinkumware was the only option out of the box. What are the advantages to each? How do I pick it? (yeah, I should probably wait until Monday and look myself... but you piqued my interest with that one). With respect to our DLLs, I can set breakpoints in each entry point, and I don't get there. Not until I make a very small app, that delay loads a small set of them, and then slowly remove code from many of the DLLs. I'm at a loss at this point as to what's wrong... especially since this worked in BCB 5. I did wind up regenerating most of my projects because the converter flat out screwed it up. This has been far from a painless upgrade. And the complete lack of usability of the borland command line tools is utterly frustrating. We wound up making our own project parser that goes and fixes the generated makefiles (yes, I've seen the other ones out there, but they don't quite fit our environment, and we can't use pre-compiled headers like one of them tries to get you to do). .... and I'll stop now before I start ranting. 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