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47 lines
1.9 KiB
47 lines
1.9 KiB
11 years ago
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configure_file
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--------------
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Copy a file to another location and modify its contents.
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::
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configure_file(<input> <output>
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[COPYONLY] [ESCAPE_QUOTES] [@ONLY]
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[NEWLINE_STYLE [UNIX|DOS|WIN32|LF|CRLF] ])
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Copies a file <input> to file <output> and substitutes variable values
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referenced in the file content. If <input> is a relative path it is
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evaluated with respect to the current source directory. The <input>
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must be a file, not a directory. If <output> is a relative path it is
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evaluated with respect to the current binary directory. If <output>
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names an existing directory the input file is placed in that directory
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with its original name.
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If the <input> file is modified the build system will re-run CMake to
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re-configure the file and generate the build system again.
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This command replaces any variables in the input file referenced as
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${VAR} or @VAR@ with their values as determined by CMake. If a
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variable is not defined, it will be replaced with nothing. If
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COPYONLY is specified, then no variable expansion will take place. If
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ESCAPE_QUOTES is specified then any substituted quotes will be C-style
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escaped. The file will be configured with the current values of CMake
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variables. If @ONLY is specified, only variables of the form @VAR@
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will be replaced and ${VAR} will be ignored. This is useful for
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configuring scripts that use ${VAR}.
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Input file lines of the form "#cmakedefine VAR ..." will be replaced
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with either "#define VAR ..." or ``/* #undef VAR */`` depending on
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whether VAR is set in CMake to any value not considered a false
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constant by the if() command. (Content of "...", if any, is processed
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as above.) Input file lines of the form "#cmakedefine01 VAR" will be
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replaced with either "#define VAR 1" or "#define VAR 0" similarly.
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With NEWLINE_STYLE the line ending could be adjusted:
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::
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'UNIX' or 'LF' for \n, 'DOS', 'WIN32' or 'CRLF' for \r\n.
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COPYONLY must not be used with NEWLINE_STYLE.
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