RE: [Flightgear-devel] CygWin Build Failure

[Norman Vine]

Jonathan Polley writes:
 
 After a short break, I decided to try to rebuild FlightGear under CygWin.  While 
 building SimGear, I got the following errors:
 
 /sw/lib/libplibnet.a(netSocket.o.b)(.eh_frame+0x11): In function 
 `_ZN10netAddressC1EPKci':
 /home/Jonathan Polley/fgdev/plib/src/net/netSocket.cxx:59: undefined reference to 
 `___gxx_personality_v0'
 
 I deleted everything (plib, SimGear source and all installed headers and libraries) 
 and built from scratch.  I still have 
 the problem.  Any ideas?

hmm 'personality' problems are usually a sign of not having compiled with c++ 
but, since this is PLib and we know this can't be the case, my guess is that you 
have upgraded your gcc suite since you last compiled PLib or FGFS and something 
is compiled against an older libtsdc++ 

So I would try recompiling PLib from scratch

make distclean
aclocal
automake -a
./configure
make

Might need todo this with FGFS too if you haven't already

HTH

Norman

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RE: [Flightgear-devel] CygWin Build Failure

[Norman Vine]

Jonathan Polley writes:

   I deleted plib and SimGear both and did a fresh update from CVS (I 
 install them into /sw just so it will be easier to purge the files).  I 
 updated CygWin just before rebuilding FlightGear (gcc 3.3).  Could that 
 be the cause of the problem?

gcc 3.3 is slightly incompatable with earlier gcc's
so you will have to rebuild FGFS from scratch too

You might want to check out the new sse/sse2 support in gcc 3.3
look under i386 specific options  sse is faster then using the fpu 

Note I haven't built with Cygwin, but it shouldn't be any different
compile wise then MingW which works fine with gcc 3.3

HTH

Norman


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