On Fri, Sep 28, 2007 at 10:37:24AM +0100, deena dayalan wrote: > I have written small application code in "C" language and it has > been compiled using "gcc" on RedHat 3.0 kernel 2.4.21 and Is it > possible for me to run RedHat 3.0 compiled binary on RedHat 4.0 > kernel 2.6.8? Yes, that should be possible. If it isn't just recompile your program, that's what you have source for. > 1. How do i find "ABI" compatiblity between two kernel versions? There are hardly any. The userspace ABI gets extended, old syscalls are maintained for compatibility. It's still possible to run old libc5 binaries on current distributions (if you have libc5 libraries installed, of course). I haven't tried an a.out binary recently, but I expect that will still work as well. > 2. How to find "Back Ward Compatiblity" between two kernel versions > of same distribution? There shouldn't be any compatibility problem for normal programs. If you do something hardware specific however (like iwconfig in the wireless tools packages, for example) you can expect compatibility problems. Erik -- They're all fools. Don't worry. Darwin may be slow, but he'll eventually get them. -- Matthew Lammers in alt.sysadmin.recovery
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