On 14 Aug 2009, at 15:17, amina kemmar wrote:
Hi,
I have implemented a constraint named "Aminadistinct(Space& home,
const IntVarArgs& x, IntConLevel icl)", I considere just the value
consistency,
so, I generate the following files:
gecode/int/Aminadistinct.hh
gecode/int/Aminadistinct.cpp
gecode/int/AminaDistinct/val.hpp
for the compilation, I modified the makefile, by adding these three
files to INTSRC0, INTHDR0 and SETBUILDDIRS.
when I compile gecode :
$make
$make install
no error obtained,
but when I call Aminadistinct(...) through an example; i obtained an
error message after the second command:
$g++ -I/usr/local/include/ -c example.cpp
$g++ -L/usr/local/lib/ example.o -lgecodeint -lgecodesearch
example.o: In function `example::example()':
example.cpp:(.text._ZN6exampleC1Ev[example::example()]+0x1e5):
undefined reference to `Gecode::Aminadistinct(Gecode::Space&,
Gecode::VarArgArray<Gecode::IntVar> const&, Gecode::IntConLevel)'
collect2: ld a retourné 1 code d'état d'exécution
the question is how to compile a new propagator?
Are you sure you provide an implementation for:
Gecode::Aminadistinct(Gecode::Space&,
Gecode::VarArgArray<Gecode::IntVar> const&, Gecode::IntConLevel)
The problem can also be the way you link your executable. I think the
problem is that you didn't provide an implementation for it or you
forgot to link the object file of the propagator when linking your
example.
you can try:
$g++ -I/usr/local/include/ -c Aminadistinct.cpp -o Aminadistinct.o
$g++ -I/usr/local/include/ -c example.cpp
$g++ -L/usr/local/lib/ example Aminadistinct.o -lgecodeint -
lgecodesearch
Regards,
Gustavo
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