openSUSE Programming November 2002

programming@lists.opensuse.org

4 participants
3 discussions

Compiling code for IA64 in SuSE SLES 8.1 - using compatible
by Rita Machado 29 Nov '02

29 Nov '02

Does SuSE SLES 8.1 for IA64 plan to provide compatibility packages for compiling source code with older gcc/g++ compilers (I mean, gcc/g++ 2.96 or 2.95) ? If so, these packages will be available in beta releases ? Thanks, Rita.

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Re: [suse-programming-e] glibc curiosity
by Michael Fischer 16 Nov '02

16 Nov '02

On Fri, Nov 15, Jesse Marlin wrote: > Michael Fischer writes: > > I am developing an app under SuSE 7.1 at work, and discovered > > that in order to get mmap(2) with MAP_ANON, I had to > > #define __USE_MISC. (I peeked in <bits/types.h>) > > > I compiled this program fine on a SuSE 7.2 box. The sys/mman.h header > looks like it pulls in bits/mman.h where it is defined on my box. > They appear to be mapped like any of the other flags. Maybe the headers > have been fixed/changed since then. > > #include <unistd.h> > #include <sys/mman.h> > > int main (int argc, char **argv) > { > void *start; > mmap (start, 512, PROT_READ, MAP_ANON, 2, 0); > return 0; > } Interesting, I tried it at home (SuSE 8.0) and it does indeed do just fine... hmm. I suppose I'll have to take Phillip Thomas' advice, and test for defined'ness of certain values, and #define _{BSD,SVID}_SOURCE accordingly. Thanks. Michael -- Michael Fischer Happiness is a config option. michael(a)visv.net Recompile and be happy.

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glibc curiosity
by Michael Fischer 15 Nov '02

15 Nov '02

Hi. (if the cross-post is considered harmful, a polite nudge will make me stop :-) I am developing an app under SuSE 7.1 at work, and discovered that in order to get mmap(2) with MAP_ANON, I had to #define __USE_MISC. (I peeked in <bits/types.h>) Asking on #kernelnewbies got me the response 'yeah, MAP_ANON is not POSIX'. Well, ok, but I wonder why glibc was not compiled (on linux) to have this (if that's the right way to phrase it). If anyone can shed light around this, I'd be glad of it (and any other similar things I'm liable to stumble across...) TIA. Michael -- Michael Fischer Happiness is a config option. michael(a)visv.net Recompile and be happy.

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openSUSE Programming November 2002