[Libpqxx-general] pqxx::connection crash under libpqxx 2.6.9 and 3.0.0, OSX Leopard

[Jeroen Vermeulen]

Matthew Fanto wrote:
> To make things even more interesting (for some definition of
> interesting), I am now able to reproduce this bug on the test samples
> with the command line. I diffed the build output of "Debug" vs
> "Release" in Xcode and found one of the differences to be
> -D_GLIBCXX_DEBUG=1 -D_GLIBCXX_DEBUG_PEDANTIC=1
> 
> Using the command:
> 
> g++ test001.cxx -o test001 -I/usr/local/include
> -I/usr/local/pgsql/include -L/usr/local/pgsql/lib -lpq -lpqxx -ggdb
> 
> I am able to run the test just fine. No crash.
> 
> If however I use the command
> 
> g++ test001.cxx -o test001 -I/usr/local/include
> -I/usr/local/pgsql/include -L/usr/local/pgsql/lib -lpq -lpqxx
> -D_GLIBCXX_DEBUG=1 -D_GLIBCXX_DEBUG_PEDANTIC=1 -ggdb and I step
> through, I get the same crash on connection C;

So clearly a matter of compiler setup.  Glad you've got it working!


> It seems to be -D_GLIBCXX_DEBUG=1 that is causing it, not the PEDANTIC
> flag (removing PEDANTIC still causes crash).
> 
> I have rebuilt libpq with --enable-debug, to verify that is not the issue.
> 
> I don't want to pollute the list if this is not a libpqxx issue.

Then let's make it non-pollution.  :-)  Care to write up your Xcode 
notes so we can include them in the source distribution?  Could save 
future users with the same environment the trouble.


Jeroen