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On Thu, 1 Apr 2004, Tom and Esther Ward wrote:
> Actually, I don't think g++ cares about the file extention as I have used
> cxx, cpp, cc, and it compiled them just the same.
Here is what the man page says:
For any given input file, the file name suffix determines
what kind of compilation is done:
file.c
C source code which must be preprocessed.
file.i
C source code which should not be preprocessed.
file.ii
C++ source code which should not be preprocessed.
file.m
Objective-C source code. Note that you must link with
the library libobjc.a to make an Objective-C program
work.
file.mi
Objective-C source code which should not be prepro-
cessed.
file.h
C header file (not to be compiled or linked).
file.cc
file.cp
file.cxx
file.cpp
file.c++
file.C
C++ source code which must be preprocessed. Note that
in .cxx, the last two letters must both be literally
x. Likewise, .C refers to a literal capital C.
file.f
file.for
file.FOR
Fortran source code which should not be preprocessed.
file.F
file.fpp
file.FPP
Fortran source code which must be preprocessed (with
the traditional preprocessor).
file.r
Fortran source code which must be preprocessed with a
RATFOR preprocessor (not included with GCC).
file.ads
Ada source code file which contains a library unit
declaration (a declaration of a package, subprogram,
or generic, or a generic instantiation), or a library
unit renaming declaration (a package, generic, or sub-
program renaming declaration). Such files are also
called specs.
file.adb
Ada source code file containing a library unit body (a
subprogram or package body). Such files are also
called bodies.
file.s
Assembler code.
file.S
Assembler code which must be preprocessed.
other
An object file to be fed straight into linking. Any
file name with no recognized suffix is treated this
way.
You can specify the input language explicitly with the -x
option:
-x language
Specify explicitly the language for the following
input files (rather than letting the compiler choose a
default based on the file name suffix). This option
applies to all following input files until the next -x
option. Possible values for language are:
c c-header cpp-output
c++ c++-cpp-output
objective-c objc-cpp-output
assembler assembler-with-cpp
ada
f77 f77-cpp-input ratfor
java
-x none
Turn off any specification of a language, so that sub-
sequent files are handled according to their file name
suffixes (as they are if -x has not been used at all).
- --
The Moon is Waxing Gibbous (85% of Full)
In a world without Fences or Walls no one needs Windows or Gates.
My home page is now at http://www.mhcable.com/~chuckh
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