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Teach the CMake language lexer to treat the \-LF pair terminating a line ending in an odd number of backslashes inside a quoted argument as a continuation. Drop the pair from the returned quoted argument token text. This will allow long lines inside quoted argument strings to be divided across multiple lines in the source file. It will also allow quoted argument text to start on the line after the opening quote. For example, the code: set(x "\ ...") sets variable "x" to the value "..." with no opening newline. Previously an odd number of backslashes at the end of a line inside a quoted argument would put a \-LF pair (or a \-CR pair) literally in the argument. Then the command-argument evaluator would complain that the \-escape sequence is invalid. Therefore this syntax is available to use without changing behavior of valid existing code. Teach the RunCMake.Syntax test to cover cases of quoted arguments with lines ending in \, \\, and \\\. Odd counts are continuations.
This is CMake, the cross-platform, open-source make system. CMake is distributed under the BSD License, see Copyright.txt. For documentation see the Docs/ directory once you have built CMake or visit http://www.cmake.org. Building CMake ============== Supported Platforms ------------------- MS Windows, Mac OS X, Linux, FreeBSD, Solaris, HP-UX, IRIX, BeOS, QNX Other UNIX-like operating systems may work too out of the box, if not it shouldn't be a major problem to port CMake to this platform. Contact the CMake mailing list in this case: http://www.cmake.org/mailman/listinfo/cmake If you don't have any previous version of CMake already installed -------------------------------------------------------------- * UNIX/Mac OSX/MinGW/MSYS/Cygwin: You need to have a compiler and a make installed. Run the bootstrap script you find the in the source directory of CMake. You can use the --help option to see the supported options. You may want to use the --prefix=<install_prefix> option to specify a custom installation directory for CMake. You can run the bootstrap script from within the CMake source directory or any other build directory of your choice. Once this has finished successfully, run make and make install. So basically it's the same as you may be used to from autotools-based projects: $ ./bootstrap; make; make install * Other Windows: You need to download and install a binary release of CMake in order to build CMake. You can get these releases from http://www.cmake.org/HTML/Download.html . Then proceed with the instructions below. You already have a version of CMake installed --------------------------------------------- You can build CMake as any other project with a CMake-based build system: run the installed CMake on the sources of this CMake with your preferred options and generators. Then build it and install it. For instructions how to do this, see http://www.cmake.org/HTML/RunningCMake.html