eclipse - napaka pri prevajanju

Kaj bi lahko bilo narobe. Inštaliral sem make in g++, naredim managed make c++ project, ob prevajanju mi pa javi:


**** Build of configuration Debug for project test16 ****

make -k all
Building file: ../main.cpp
Invoking: GCC C++ Compiler
g++ -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"main.d" -MT"main.d" -o"main.o" "../main.cpp"
Finished building: ../main.cpp

Building target: test16
Invoking: GCC C++ Linker
g++ -o"test16" ./main.o
/usr/lib/gcc/i486-linux-gnu/4.1.3/../../../../lib/crt1.o: In function `_start':
(.text+0x18): undefined reference to `main'
collect2: ld returned 1 exit status
make: *** [test16] Error 1
make: Target `all' not remade because of errors.
Build complete for project test16