Compiling a C++ program with GCC

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gcc can actually compile C++ code just fine. The errors you received are linker errors, not compiler errors.

Odds are that if you change the compilation line to be this:

gcc info.C -lstdc++

which makes it link to the standard C++ library, then it will work just fine.

However, you should just make your life easier and use g++.

Rup says it best in his comment to another answer:

[…] gcc will
select the correct back-end compiler
based on file extension (i.e. will
compile a .c as C and a .cc as C++)
and links binaries against just the
standard C and GCC helper libraries by
default regardless of input languages;
g++ will also select the correct
back-end based on extension except
that I think it compiles all C source
as C++ instead (i.e. it compiles both
.c and .cc as C++) and it includes
libstdc++ in its link step regardless
of input languages.

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