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   gcc    ( 1 )

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Параметры подробно (Options detail)

Compiling C++ Programs

C++ source files conventionally use one of the suffixes .C, .cc,
       .cpp, .CPP, .c++, .cp, or .cxx; C++ header files often use .hh,
       .hpp, .H, or (for shared template code) .tcc; and preprocessed
       C++ files use the suffix .ii.  GCC recognizes files with these
       names and compiles them as C++ programs even if you call the
       compiler the same way as for compiling C programs (usually with
       the name gcc).

       However, the use of gcc does not add the C++ library.  g++ is a
       program that calls GCC and automatically specifies linking
       against the C++ library.  It treats .c, .h and .i files as C++
       source files instead of C source files unless -x is used.  This
       program is also useful when precompiling a C header file with a
       .h extension for use in C++ compilations.  On many systems, g++
       is also installed with the name c++.

       When you compile C++ programs, you may specify many of the same
       command-line options that you use for compiling programs in any
       language; or command-line options meaningful for C and related
       languages; or options that are meaningful only for C++ programs.