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On Mon, 2002-12-16 at 13:31, Michael Peters wrote: > On Monday, Dec 16, 2002, at 10:59AM, Mertens Bram <[EMAIL PROTECTED]> wrote: > > >Hi, > > > >The "Maximum rpm" document contains only very little information about > >rebuilding rpms. > > /usr/share/doc has MUCH more current information. > At least that is what I found. > > > > >Most rpms are build for the i386 architecture, I run my RH7.3 on an > >i686, does it make much sense to rebuild rpms before installing them? > > My understanding is that it only makes sense for the kernel and glibc to be >optimized - and that those already are. > > Since almost everything is linked against stuff in glibc, they benefit from that >optimization - and that optimizing most other packages doesn't really make much (if >any) performance difference. > > Back in the RH 6.2 days I built pgcc (pentium optimized gcc) and rebuilt every rpm >using it (except for a few that refused to compile with pgcc) and I thought I would >have a fast system. > > Reallity is - the performance boost was minimal. > More performance could be gained by adding ram and/or swapping to a different disk >than your data disk(s). > > > > >If I understand the manual correctly I would have to download the > >src.rpm then run the command rpm --rebuild xxx.src.rpm which would > >install the software after optimising it for the i686 architecture. > > > >Or isn't it that simple? > > You would need to first create a ~/.rpmmacros file > > In it you want the following: > %_topdir /home/your_user_name/rpmbuild > %_build_arch i686 > > then - > mkdir -p ~/rpmbuild/RPMS/i386 > (same for i686 and noarch at a minimal) > mkdir ~/rpmbuild/SPECS > mkdir ~/rpmbuild/SOURCES > mkdir ~/rpmbuild/BUILD > > Then (without su to root) > rpmbuild --rebuild package.src.rpm > > I *think* it will deposit the rebuilt rpm into ~/rpmbuild/RPMS/i686 (I haven't tried) > > If that doesn't work - edit the spec file and add- > > BuildArch: i686 > to the spec file. > > That *should* work. > > -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED]?subject=unsubscribe https://listman.redhat.com/mailman/listinfo/redhat-list
