Thanks, it helps, I've done as you suggested:
rpm -ivh --force --nodeps /mnt/heap/soft/linux/wx-gtk2-unicode-2.8-7.i586.rpm
rpm -ivh --force --nodeps /mnt/heap/soft/linux/wx-gtk2-unicode-devel-2.8-7.i586.rpm
Then I try again
rpm --rebuild amule-2.2.1-1plf2009.0.src.rpm
I was close to the build and there is this other error:
...
Compiling wxcascte.cpp
Compiling wxcaspix.cpp
Linking wxcas
/usr/lib/gcc/i586-mandriva-linux-gnu/4.1.2/../../../libwx_baseu-2.8.so: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, int)@GLIBCXX_3.4.9'
/usr/lib/gcc/i586-mandriva-linux-gnu/4.1.2/../../../libwx_baseu-2.8.so: undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::basic_ostream<char, std::char_traits<char> >::_M_insert<void const*>(void const*)@GLIBCXX_3.4.9'
/usr/lib/gcc/i586-mandriva-linux-gnu/4.1.2/../../../libwx_baseu-2.8.so: undefined reference to `std::basic_istream<char, std::char_traits<char> >& std::basic_istream<char, std::char_traits<char> >::_M_extract<long>(long&)@GLIBCXX_3.4.9'
/usr/lib/gcc/i586-mandriva-linux-gnu/4.1.2/../../../libwx_baseu-2.8.so: undefined reference to `std::basic_istream<char, std::char_traits<char> >& std::basic_istream<char, std::char_traits<char> >::_M_extract<double>(double&)@GLIBCXX_3.4.9'
collect2: ld returned 1 exit status
make[5]: *** [wxcas] Erreur 1
make[4]: *** [all-recursive] Erreur 1
make[3]: *** [all-recursive] Erreur 1
make[2]: *** [all-recursive] Erreur 1
make[1]: *** [all-recursive] Erreur 1
make: *** [all] Erreur 2
erreur: Mauvais status de sortie pour /var/tmp/rpm-tmp.13393 (%build)
I'm still investigating about this, posting here in case you or someone figure out what's wrong before I get it (if I manage to...)