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.\" other parameters are allowed: see man(7), man(1)
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.TH CHEATMAKE 1 "September 27, 2002"
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.\" Please adjust this date whenever revising the manpage.
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.\"
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.\" for manpage-specific macros, see man(7)
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.SH NAME
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cheatmake \- fool make into not rebuilding certain files
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.SH SYNOPSIS
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.B cheatmake hidechange
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.I file
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.br
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.B cheatmake show
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.br
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.B cheatmake why
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.I file
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.SH DESCRIPTION
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\fBcheatmake\fP is used to save time when recompiling. It can fool \fBmake\fP
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into skipping files that haven't changed in a meaningful way. This can be
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used for instance when you change a comment in a file but none of the actual
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code.
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.PP
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This utility is part of the KDE Software Development Kit.
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.SH OPTIONS
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The different modes of operation are as follows.
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.TP
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\fBhidechange\fP \fIfile\fP
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Hides the fact that the given file has changed by moving its timestamp
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back into the past. Use this option with care!
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.TP
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\fBshow\fP
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Lists which files make currently needs to rebuild.
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.TP
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\fBwhy\fP \fIfile\fP
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Explains why make must rebuild the given file.
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.SH ENVIRONMENT VARIABLES
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One of the following variables (but not both) should be set if the
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source
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directory is different from the build directory.
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If the build directory is simply a subdirectory of the source directory,
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the simpler variable OBJ_SUBDIR should be used.
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.TP
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OBJ_SUBDIR
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Indicates that the build directory is in the given subdirectory of the
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source directory. For instance, if the source directory is \fItdesdk\fP
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and the build directory is \fItdesdk/obj-i386-linux\fP, then OBJ_SUBDIR
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should be set to \fIobj-i386-linux\fP.
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.TP
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OBJ_REPLACEMENT
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A \fBsed\fP expression that is used to transform the source directory
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into the build directory.
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For instance, if the source directory is \fI~/src/tdesdk\fP and the
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build directory is \fI~/src/tdesdk-obj\fP, then OBJ_REPLACEMENT could
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be set to \fIs#tdesdk#tdesdk-obj#\fP.
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.SH SEE ALSO
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.BR make (1).
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.SH AUTHOR
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cheatmake was written by David Faure <faure@kde.org>.
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.br
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This manual page was prepared by Ben Burton <bab@debian.org>
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for the Debian GNU/Linux system (but may be used by others).
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