#include <iostream>

class CLogStream;

class cLogStream //: std::ostream
{
	std::string m_strData;    //errors??

public:
    cLogStream () {}
	~cLogStream () {}
};

int main()
{
return 0;
}

gcc -o zengine.elf main.cpp -lm
ccdgJ7pr.o: In function `__static_initialization_and_destruction_0(int, int)':
ccdgJ7pr.o(.text+0x54): undefined reference to `std::ios_base::Init::Init()'
ccdgJ7pr.o(.text+0x7c): undefined reference to `std::ios_base::Init::~Init()'
collect2: ld returned 1 exit status

Quote:Original post by kdogg
What Peregrin said. It says in the man pages that gcc will know to use the c++ compiler if the file extension is a c++ type (.cxx .cc .cpp etc.), but in practice i've found that not to be the case.

g++ -o zengine.elf ..\zengine\main.cpp -lm../lib/gcc-lib/arm-agb-elf/3.0.2/../../../../arm-agb-elf/lib/libstdc  .a(pure.o): In function`__cxa_pure_virtual':../../../../gcc-3.0.2/libstdc  -v3/libsupc  /pure.cc:49:undefined reference to`write'collect2: ld returned 1 exit status

#include <iostream>int main(){return 0;}

PATH=c:\devkitadv\bin;%PATH%g++ -o zengine.elf main.cpp -lmobjcopy -O binary zengine.elf zengine.binpause

C:\DevKitAdv>g++ -o zengine.elf main.cpp -lm/cygdrive/c/devkitadv/bin/../lib/gcc-lib/arm-agb-elf/3.0.2/../../../../arm-agb-elf/lib/libstdc++.a(pure.o):  In function `__cxa_pure_virtual':    ../../../../gcc-3.0.2/libstdc++-v3/libsupc++/pure.cc:49:       undefined reference to `write'collect2: ld returned 1 exit status