g++ on solaris

[Patrick Mauritz <oxygene2k1 at crosswinds dot net>]

hi all,

I have some problems with porting Berlin (www.berlin-consortium.org) to 
solaris8/sparc which are probably due to bugs or incompatibilities between
g++ on several architectures

1. it couldn't compile something mmap-related with g++ which worked with gcc
the following applet (which flawlessly compiles on linux with gcc and g++)
demonstrates it:
---snip---
#include <sys/mman.h>

int main(){
  void b*;
  b=mmap( (void *)-1,1,1,1,1,1);
}
---snap---

it runs when #define _XPG4_2 is inserted at the beginning - but it doesn't
look like something to be triggered by the user

what's the sane way to do this?

2. pthreads produced some confusion:
on x86 and on sparc autoconf finds out that we need "-pthread" to compile
pthread executables - that's not true on sparc where "-pthreads -lposix4"
is needed
no comment on the extra library - but is there a table showing the gcc options
for several architectures/os which flag (-pthread or -pthreads) and possibly
which libraries are needed?

please CC: as I'm not on the list

TIA,
patrick mauritz

-- 
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