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.\"
.IX Title "GCJH 1"
.TH GCJH 1 "gcc-3.2.3" "2003-04-22" "GNU"
.UC
.SH "NAME"
gcjh \- generate header files from Java class files
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
gcjh [\fB\-stubs\fR] [\fB\-jni\fR]
    [\fB\-add\fR \fItext\fR] [\fB\-append\fR \fItext\fR] [\fB\-friend\fR \fItext\fR]
    [\fB\-preprend\fR \fItext\fR]
    [\fB\*(--classpath\fR=\fIpath\fR] [\fB\*(--CLASSPATH\fR=\fIpath\fR]
    [\fB\-I\fR\fIdir\fR...] [\fB\-d\fR \fIdir\fR...]
    [\fB\-o\fR \fIfile\fR] [\fB\-td\fR \fIdir\fR]
    [\fB\-M\fR] [\fB\-MM\fR] [\fB\-MD\fR] [\fB\-MMD\fR]
    [\fB\*(--version\fR] [\fB\*(--help\fR] [\fB\-v\fR] [\fB\*(--verbose\fR]
    \fIclassname\fR...
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \f(CW\*(C`gcjh\*(C'\fR program is used to generate header files from class
files.  It can generate both \s-1CNI\s0 and \s-1JNI\s0 header files, as well as stub
implementation files which can be used as a basis for implementing the
required native methods.
.SH "OPTIONS"
.IX Header "OPTIONS"
.Ip "\fB\-stubs\fR" 4
.IX Item "-stubs"
This causes \f(CW\*(C`gcjh\*(C'\fR to generate stub files instead of header files.
By default the stub file will be named after the class, with a suffix of
\&\fB.cc\fR.  In \s-1JNI\s0 mode, the default output file will have the suffix
\&\fB.c\fR.
.Ip "\fB\-jni\fR" 4
.IX Item "-jni"
This tells \f(CW\*(C`gcjh\*(C'\fR to generate a \s-1JNI\s0 header or stub.  By default,
\&\s-1CNI\s0 headers are generated.
.Ip "\fB\-add\fR \fItext\fR" 4
.IX Item "-add text"
Inserts \fItext\fR into the class body.  This is ignored in \s-1JNI\s0 mode.
.Ip "\fB\-append\fR \fItext\fR" 4
.IX Item "-append text"
Inserts \fItext\fR into the header file after the class declaration.
This is ignored in \s-1JNI\s0 mode.
.Ip "\fB\-friend\fR \fItext\fR" 4
.IX Item "-friend text"
Inserts \fItext\fR into the class as a \f(CW\*(C`friend\*(C'\fR declaration.
This is ignored in \s-1JNI\s0 mode.
.Ip "\fB\-prepend\fR \fItext\fR" 4
.IX Item "-prepend text"
Inserts \fItext\fR into the header file before the class declaration.
This is ignored in \s-1JNI\s0 mode.
.Ip "\fB\*(--classpath=\fR\fIpath\fR" 4
.IX Item "classpath=path"
.PD 0
.Ip "\fB\*(--CLASSPATH=\fR\fIpath\fR" 4
.IX Item "CLASSPATH=path"
.Ip "\fB\-I\fR\fIdirectory\fR" 4
.IX Item "-Idirectory"
.Ip "\fB\-d\fR \fIdirectory\fR" 4
.IX Item "-d directory"
.Ip "\fB\-o\fR \fIfile\fR" 4
.IX Item "-o file"
.PD
These options are all identical to the corresponding \fBgcj\fR options.
.Ip "\fB\-o\fR \fIfile\fR" 4
.IX Item "-o file"
Sets the output file name.  This cannot be used if there is more than
one class on the command line.
.Ip "\fB\-td\fR \fIdirectory\fR" 4
.IX Item "-td directory"
Sets the name of the directory to use for temporary files.
.Ip "\fB\-M\fR" 4
.IX Item "-M"
Print all dependencies to stdout; suppress ordinary output.
.Ip "\fB\-MM\fR" 4
.IX Item "-MM"
Print non-system dependencies to stdout; suppress ordinary output.
.Ip "\fB\-MD\fR" 4
.IX Item "-MD"
Print all dependencies to stdout.
.Ip "\fB\-MMD\fR" 4
.IX Item "-MMD"
Print non-system dependencies to stdout.
.Ip "\fB\*(--help\fR" 4
.IX Item "help"
Print help about \f(CW\*(C`gcjh\*(C'\fR and exit.  No further processing is done.
.Ip "\fB\*(--version\fR" 4
.IX Item "version"
Print version information for \f(CW\*(C`gcjh\*(C'\fR and exit.  No further
processing is done.
.Ip "\fB\-v, \-\-verbose\fR" 4
.IX Item "-v, --verbose"
Print extra information while running.
.PP
All remaining options are considered to be names of classes.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIgcc\fR\|(1), \fIgcj\fR\|(1), \fIgij\fR\|(1), \fIjv-scan\fR\|(1), \fIjcf-dump\fR\|(1), \fIgfdl\fR\|(7),
and the Info entries for \fIgcj\fR and \fIgcc\fR.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (C) 2001, 2002 Free Software Foundation, Inc.
.PP
Permission is granted to copy, distribute and/or modify this document
under the terms of the \s-1GNU\s0 Free Documentation License, Version 1.1 or
any later version published by the Free Software Foundation; with the
Invariant Sections being ``\s-1GNU\s0 General Public License'', the Front-Cover
texts being (a) (see below), and with the Back-Cover Texts being (b)
(see below).  A copy of the license is included in the
man page \fIgfdl\fR\|(7).