i have this problem :
g++ -march=i686 -O2 -pipe -DUSE_EMBEDDED_CRYPTO -O2 -lpthread -o wxcas wxcas-onlinesig.o wxcas-linuxmon.o wxcas-wxcas.o wxcas-wxcasprint.o wxcas- wxcasframe.o wxcas-wxcasprefs.o wxcas-wxcascte.o wxcas-wxcaspix.o -pthread -lwx_gtk-2.4
/usr/lib/gcc/i686-pc-linux-gnu/3.4.2/../../../libwx_gtk-2.4.so: undefined r eference to `operator delete(void*)@GLIBCXX_3.4'
/usr/lib/gcc/i686-pc-linux-gnu/3.4.2/../../../libwx_gtk-2.4.so: undefined r eference to `vtable for __cxxabiv1::__vmi_class_type_info@CXXABI_1.3'
/usr/lib/gcc/i686-pc-linux-gnu/3.4.2/../../../libwx_gtk-2.4.so: undefined r eference to `operator delete[](void*)@GLIBCXX_3.4'
/usr/lib/gcc/i686-pc-linux-gnu/3.4.2/../../../libwx_gtk-2.4.so: undefined r eference to `operator new[](unsigned int)@GLIBCXX_3.4'
/usr/lib/gcc/i686-pc-linux-gnu/3.4.2/../../../libwx_gtk-2.4.so: undefined r eference to `operator new(unsigned int)@GLIBCXX_3.4'
/usr/lib/gcc/i686-pc-linux-gnu/3.4.2/../../../libwx_gtk-2.4.so: undefined r eference to `__cxa_pure_virtual@CXXABI_1.3'
/usr/lib/gcc/i686-pc-linux-gnu/3.4.2/../../../libwx_gtk-2.4.so: undefined r eference to `vtable for __cxxabiv1::__si_class_type_info@CXXABI_1.3'
/usr/lib/gcc/i686-pc-linux-gnu/3.4.2/../../../libwx_gtk-2.4.so: undefined r eference to `vtable for __cxxabiv1::__class_type_info@CXXABI_1.3'
/usr/lib/gcc/i686-pc-linux-gnu/3.4.2/../../../libwx_gtk-2.4.so: undefined r eference to `__gxx_personality_v0@CXXABI_1.3'
collect2: ld returned 1 exit status
make[6]: *** [wxcas] Error 1
i have gcc 3.4 and wxgt against gtk1