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diff --git a/gcc-4.2.1-5666.3/gcc/doc/frontends.texi b/gcc-4.2.1-5666.3/gcc/doc/frontends.texi deleted file mode 100644 index 68d3ba0b5..000000000 --- a/gcc-4.2.1-5666.3/gcc/doc/frontends.texi +++ /dev/null @@ -1,63 +0,0 @@ -@c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, -@c 1999, 2000, 2001, 2004 Free Software Foundation, Inc. -@c This is part of the GCC manual. -@c For copying conditions, see the file gcc.texi. - -@node G++ and GCC -@chapter Programming Languages Supported by GCC - -@cindex GCC -@cindex GNU Compiler Collection -@cindex GNU C Compiler -@cindex Ada -@cindex Fortran -@cindex Java -@cindex Objective-C -@cindex Objective-C++ -@cindex treelang -GCC stands for ``GNU Compiler Collection''. GCC is an integrated -distribution of compilers for several major programming languages. These -languages currently include C, C++, Objective-C, Objective-C++, Java, -Fortran, and Ada. - -The abbreviation @dfn{GCC} has multiple meanings in common use. The -current official meaning is ``GNU Compiler Collection'', which refers -generically to the complete suite of tools. The name historically stood -for ``GNU C Compiler'', and this usage is still common when the emphasis -is on compiling C programs. Finally, the name is also used when speaking -of the @dfn{language-independent} component of GCC: code shared among the -compilers for all supported languages. - -The language-independent component of GCC includes the majority of the -optimizers, as well as the ``back ends'' that generate machine code for -various processors. - -@cindex COBOL -@cindex Mercury -@cindex Pascal -The part of a compiler that is specific to a particular language is -called the ``front end''. In addition to the front ends that are -integrated components of GCC, there are several other front ends that -are maintained separately. These support languages such as Pascal, -Mercury, and COBOL@. To use these, they must be built together with -GCC proper. - -@cindex C++ -@cindex G++ -@cindex Ada -@cindex GNAT -Most of the compilers for languages other than C have their own names. -The C++ compiler is G++, the Ada compiler is GNAT, and so on. When we -talk about compiling one of those languages, we might refer to that -compiler by its own name, or as GCC@. Either is correct. - -@cindex compiler compared to C++ preprocessor -@cindex intermediate C version, nonexistent -@cindex C intermediate output, nonexistent -Historically, compilers for many languages, including C++ and Fortran, -have been implemented as ``preprocessors'' which emit another high -level language such as C@. None of the compilers included in GCC are -implemented this way; they all generate machine code directly. This -sort of preprocessor should not be confused with the @dfn{C -preprocessor}, which is an integral feature of the C, C++, Objective-C -and Objective-C++ languages. |