3 .\" C Cross Referencing & Documenting tool - Version 1.5g
5 .\" Manual page for cxref-cpp
7 .\" Written by Andrew M. Bishop
9 .\" This file Copyright 1996,1997,2004 Andrew M. Bishop
10 .\" It may be distributed under the GNU Public License, version 2, or
11 .\" any higher version. See section COPYING of the GNU Public license
12 .\" for conditions under which this file may be redistributed.
14 .TH cxref-cpp 1 "May 9, 2004"
16 cxref-cpp - A modified C preprocessor to use with cxref.
24 To improve the output that is available for the source code for
25 cross-referencing a modified version of the GNU CPP v2.7.2 is supplied (named
28 This modified C preprocessor allows for a finer control over some features of
29 the preprocessing that are not important for a compiler. In a standard
30 preprocessor, the preprocessor directives are intended for use only by the
31 preprocessor, so passing the information through is not important.
33 With cxref-cpp, there are some features that are different to the standard GNU
37 Compared to gcc versions earlier than version 2.8.0 there is an extra option
38 that will output the #include lines from the source file. In version 2.8.0 and
39 later this option is present.
41 Comments trailing a #include or a #define are not preserved by all versions of
42 gcc even if the -C option is used. This is not important while compiling, but
43 is useful for documenting.
45 The cxref-cpp program will take on the personality of the installed version of
46 gcc so that the gcc header files can be parsed. This means that it includes the
47 same default include directory paths and macro definitions. The file that
48 contains these definitions is called cxref-cpp.defines and is installed by the
49 cxref-cpp-configure program or specified by the -cxref-cpp-defines command line
55 The same as for gcc, apart from '-cxref-cpp-defines' described above.
59 cxref(1), cxref-cpp-configure(1), gcc(1)