On 03/19/2011 05:49 PM, stan wrote: > On Sat, 19 Mar 2011 10:52:38 +0800 > GeeKer Wang<wwthunan@xxxxxxxxx> wrote: > >> I tried to compile OpenSceneGraph-2.8.3-3.fc14.rpm software, and >> got a low efficient and large version of it. But the version from >> fedora-repo works well. >> eg. my version with frame rate< 10, while fedora-repo version with >> frame rate ~=40. >> >> I have tried three ways: >> 1. configure&& make >> 2. ccmake&& make >> 3. rpmbuild --recompile OpenSceneGraph-2.8.3-3.fc14.src.rpm >> They resulted the same anyway. Especially, the rpmbuld way took 3G+ >> disk space, each .so file is much larger and each application is >> slower. It's realy strange to me. I use the gcc/g++ 4.5.1 under >> fedora 14. >> >> So where the differences come from? Or where are the special places >> in fedora's compiling environment? Any advice will be appreciated, >> thx. >> > After all the discussion, I downloaded the src.rpm and unpacked it. I > couldn't see any reason for a problem in the .spec or the source. I > then ran the rpmbuild -bb command, and it is building the package. This > takes a long time on my system. But I notice that it is building > everything with the -g flag, that is with debugging support built in, > even though it is supposed to be configured for Release and is using > optimization (O2). Unfortunately, it uses cmake, which I'm not very > familiar with, so finding where the problem is isn't straightforward > for me. This -g compile flag is probably the source of the difference > you are seeing in frame rate. > > It is going to take as long, or longer, to compile this as a kernel. > I'll post the size of the rpm when done. Hi Stan, The spec file will build multiple kernels, one of them is with debuginfo, and that is what you saw (re: -g flag). -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
