Is this a bug?

[Ashoordin <a.ashoormaram@xxxxxxxxx>]

Hello friends,

I am new with Fedora 21 but I am trying to learn C++ as well. So, in my compilation command of
"g++ -Wall `root-config --cflags --ldflags --libs` example.cpp" I am receiving the error message
"/usr/lib/gcc/i686-redhat-linux/4.9.2/../../../crt1.o: In function `_start':
(.text+0x18): undefined reference to `main'
collect2: error: ld returned 1 exit status"

After changing the compilation command to
"g++ -ansi -Wall -I /usr/include -c example.cpp"

I no longer receive the error.

However during linking command
"g++ -L /usr/lib/../../../ crt1.o *.o -lgsl -lgslcblas -lm"

I receive the following error message
"g++: error: crt1.o: No such file or directory"

But, I know for sure that there is such a file. So, what could be wrong?

Thanks for everyone's help,

Ashur

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