C++ templates

Frank Mehnert fm3 at os.inf.tu-dresden.de
Tue Mar 15 14:11:07 CET 2005


On Tuesday 15 March 2005 14:02, Frank Mehnert wrote:
> On Tuesday 15 March 2005 13:34, Tiago Jorge wrote:
> > I already compile with those flags. My problem is the following:
>
> Are you _sure_ that your _whole_ C++ code is compiled with -fno-exceptions?
>
> > because i'm using the dielibc i can't use STL, because it launches
> > exceptions. So, i've made my own templates of vector and map without
> > exceptions and i'm trying to use them. the error is the following:
> >
> > FailureDetector.o(.eh_frame+0x11): In function `map<int,
> > heartbeat>::del(int)':
> > /home/tiago/l4/pkg/failuredetector/server/src/WOO_map.h: undefined
> > reference to `__gxx_personality_v0'
> > main.o(.eh_frame+0x11): In function `main':
> > /home/tiago/l4/pkg/failuredetector/server/src/WOO_vector.h:20: undefined
> > reference to `__gxx_personality_v0'
> > collect2: ld returned 1 exit status
>
> This function is called when unwinding the stack due to an exception.
>
> > by the way, line 20 is the constructor and it doesn't throws exceptions.
> > So here i am stuck at this point :(
>
> We are using templates in the Fiasco microkernel -- without any problems
> (and without exceptions).

An other point: Do you use gcc or g++ to compile your C++ code? Try g++.
(Thanx Ron for pointing this out).

Frank
-- 
## Dept. of Computer Science, Dresden University of Technology, Germany ##
## http://os.inf.tu-dresden.de/~fm3                                     ##
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