代码： 全选
#include<iostream>
using namespace std;
int main()
{
cout<<"hello world"<<endl;
return 0;
}g++和GCC都装了。好像是编译的时候出错了。看了一下终端，显示：
**** Build of configuration Debug for project cpptest ****
make 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: cpptest
Invoking: GCC C++ Linker
g++ -o"cpptest" ./main.o
/usr/lib/gcc/i486-linux-gnu/4.3.3/../../../../lib/crt1.o: In function `_start':
/build/buildd/glibc-2.9/csu/../sysdeps/i386/elf/start.S:115: undefined reference to `main'
collect2: ld 返回 1
make: *** [cpptest] 错误 1
