.TH MCPP "1" "Mar 2008" "alternative CPP" "Commands for GCC"

.SH NAME

mcpp \- Matsui CPP, an alternative C preprocessor

.SH SYNOPSIS

mcpp [\fIoptions\fP] [\fI<infile>\fP [\fI<outfile>\fP]]

.SH DESCRIPTION

\fBmcpp\fR is a C/C++ preprocessor with the highest conformance which implements C90, C99 and C++98. 

\fBmcpp\fR has plentiful diagnostics and many #pragmas. 

It is useful to check portability of your program, and also useful to debug complicated macro.

This is a man-page for \fBmcpp\fR of GCC-specific-build.

.SH OPTIONS

\fBmcpp\fR expects two file names as arguments, \fI<infile>\fR and

\&\fI<outfile>\fR.  If not specified, \fI<infile>\fR defaults to standard input

and \fI<outfile>\fR defaults to standard output.

.PP

It takes the following options.

.PP

Commonly used options:

.IP "\fB-$, -fno-dollars-in-identifiers"

Forbid '$' in identifiers.

.IP \fB-@MODE

Specify preprocessing mode. MODE should be one of these 4:

.IP "    \fB-@std"

Standard conforming mode. (default)

.IP "    \fB-@poststd, -@post"

special 'post-Standard' mode.

.IP "    \fB-@kr"

K&R 1st mode.

.IP "    \fB-@oldprep, -@old"

"old_preprocessor" mode (i.e. "Reiser model" cpp).

.IP "    \fB-@compat"

Standard 'compatible' mode.

.IP \fB-b

Output #line lines in C source style (default: GCC style).

.IP \fB-C

Output also comments.

.IP "\fB-D <macro>[=<value>]"

Define <macro> as <value> (default:1).

.IP "\fB-D <macro(args)>[=<replace>]"

Define <macro(args)> as <replace>.

.IP "\fB-dM, -dD"

Dump all current macro definitions to output stream.

.IP "\fB-e <encoding>"

Change the default multi-byte character encoding to one of:

euc_jp, gb2312, ksc5601, big5, sjis, iso2022_jp, utf8.

.IP \fB-finput-charset=<encoding>

Same as -e <encoding>.  (Do not insert spaces around '=').

.IP \fB-f[no-]working-directory

(Don't) emit #line marks with current working directory.

.IP \fB-fstack-protector[-all]

Add defines for GCC stack protector.

.IP \fB-f[no-]exceptions

(Don't) add define for exception support.

.IP "\fB-fpic, -fPIC, -fpie, -fPIE"

Add defines for PIC/PIE code.

.IP "\fB-I <directory>"

Add <directory> to the #include search list.

.IP \fB-I-

Unset system or site specific include directories.

.IP "\fB-include <file>"

Include the <file> prior to the main input file.

.IP "\fB-isystem <dir>"

Look for include files in DIR, if not found in -I's.

.IP "\fB-iquote <dir>"

Look for #include "file" (with quotes) in DIR.

.IP \fB-j

Do not output the source line in diagnostics.

.IP \fB-k

Keep white spaces of input lines as they are.

.IP "\fB-M, -MM, -MD, -MMD, -MP, -MQ target, -MT target, -MF file"

Output source file dependency line for makefile.

.IP \fB-m32

Change target CPU from x86_64, ppc64 to i386, ppc, respectively.

.IP \fB-m64

Change target CPU from i386, ppc to x86_64, ppc64, respectively.

.IP \fB-[no-]mmx

(Un-)define __MMX__.

.IP \fB-N

Don't predefine any non-standard macros.

.IP \fB-nostdinc

Unset system or site specific include directories.

.IP "\fB-o <file>"

Output to <file>.

.IP \fB-P

Don't output #line lines.

.IP \fB-Q

Output diagnostics to "mcpp.err" (default:stderr).

.IP "\fB-U <macro>"

Undefine <macro>.

.IP \fB-undef

Same as -N.

.IP \fB-v

Show version of \fBmcpp\fR.

.IP "\fB-W <level>"

Set warning level to <level> (OR of {0,1,2,4,8,16}, default:1).

.IP \fB-w

Same as -W0.

.IP \fB-z

Don't output the included file, only defining macros.

.PP

Options available with -@std (default) or -@poststd options:

.IP \fB-+

Process C++ source.

.IP \fB-2

Enable digraphs.

.IP \fB-digraphs

Enable digraphs.

.IP "\fB-h <n>"

Re-define the pre-defined macro __STDC_HOSTED__ as <n>.

.IP \fB-lang-c89

Same as -S1.

.IP "\fB-lang-c99, -lang-c9x"

Same as -S199901L.

.IP \fB-lang-c++

Same as -+.

.IP \fB-lang-asm

Same as -a.

.IP "\fB-pedantic, -pedantic-errors"

Same as -W7.

.IP "\fB-S <n>"

Redefine __STDC__ to <n>, undefine old style macros.

.IP \fB-std=<STANDARD>

Specify the standard to which the code should conform.

<STANDARD> may be one of: c90, c99, iso9899:1990, iso14882, etc.

.br

iso9899:<n>, iso14882:<n> : Same as -V <n> (long in decimals).

.IP "\fB-V <n>"

Redefine __STDC_VERSION__ or __cplusplus to <n>.

.br

C with -V199901L specifies C99 mode.

.br

C++ with -V199901L specifies C99 compatible mode.

.IP "\fB-x c++"

Same as -+.

.PP

Options available with only -@std (default) option:

.IP \fB-@compat

Expand recursive macro more than Standard.

.IP \fB-3

Enable trigraphs.

.IP \fB-trigraphs

Enable trigraphs.

.IP \fB-K

Embed macro annotations into comments.

.PP

Options available with -@std (default), -@kr or -@oldprep options:

.IP \fB-lang-asm

Same as -x assembler-with-cpp.

.IP "\fB-x assembler-with-cpp"

Process "assembler" source.

.PP

Option available on Mac OS X / Apple-GCC:

.IP "\fB-arch <arch>"

Change the target to <arch> (one of i386, x86_64, ppc and ppc64).

.PP

Option available on CygWIN:

.IP \fB-mno-cygwin

Change include directory and predefined macros for msvcrt.dll rather than cygwin1.dll.

.SH PRAGMA

\fBmcpp\fR has the following #pragma directives.

.IP "#pragma once"

Read the header file only once even if multiply #included.

.IP "#pragma __setlocale( ""encoding"")"

Specify the multibyte character encoding to "encoding".

See -e option for the encodings.

.IP "#pragma MCPP put_defines"

Putout all the macro definitions currently valid.

.IP "#pragma MCPP debug <args>"

Start to putout debugging informations.

    <args> should be one or more of:

    token expand macro_call path if expression memory getc

.IP "#pragma MCPP end_debug <args>"

Stop to putout debugging informations.

    <args> are the same with 'debug'.

    No argument specifies all arguments.

.IP "#pragma MCPP push_macro( ""MACRO"")"

Save the macro definition to the stack.

.IP "#pragma MCPP pop_macro( ""MACRO"")"

Retrieve the macro definition from the stack.

.IP "#pragma MCPP preprocess"

"Pre-preprocess" the following header files for \fBmcpp\fR.

.IP "#pragma MCPP warning    any message"

Putout warning "any message".

.SH "VERSION"

MCPP V.2.7 (2008/03) for GCC

.SH "SEE ALSO"

The full documentation for \fBmcpp\fR are maintained as html files.

Please see mcpp-manual.html.