CMake 3.0-rc3 now ready for testing!

I am proud to announce the CMake 3.0 third release candidate.

Sources and binaries are available at:
  http://www.cmake.org/files/v3.0/?C=M;O=D

Documentation is available at:
  http://www.cmake.org/cmake/help/v3.0

Release notes appear below and are also published at
  http://www.cmake.org/cmake/help/v3.0/release/3.0.0.html

Some of the more significant features of CMake 3.0 are:

• Compatibility options supporting code written for CMake versions prior to 2.4 have been removed.
• The CMake language has been extended with *Bracket Argument* and  *Bracket Comment* syntax inspired by Lua long brackets.
• The CMake documentation has been converted to reStructuredText and uses Sphix generation.
• Generators for Visual Studio 10 (2010) and later were renamed to include the product year like generators for older VS versions:
  • "Visual Studio 10" -> "Visual Studio 10 2010"
  • "Visual Studio 11" -> "Visual Studio 11 2012"
  • "Visual Studio 12" -> "Visual Studio 12 2013"
•  This clarifies which generator goes with each Visual Studio version. The old names are recognized for compatibility.
• A new "CodeLite" extra generator is available for use with the Makefile or Ninja generators.
• A new "Kate" extra generator is available for use with the Makefile or Ninja generators.
• The "add_library()" command learned a new "INTERFACE" library type. Interface libraries have no build rules but may have properties defining "usage requirements" and may be installed, exported, and imported.  This is useful to create header-only libraries that have concrete link dependencies on other libraries.
• The "export()" command learned a new "EXPORT" mode that retrieves the list of targets to export from an export set configured by the "install(TARGETS)" command "EXPORT" option. This makes it easy to export from the build tree the same targets that are exported from the install tree.
• The "project()" command learned to set some version variables to values specified by the new "VERSION" option or to empty strings. See policy "CMP0048".
• Several long-outdated commands that should no longer be called have been disallowed in new code by policies:
  • Policy "CMP0029" disallows "subdir_depends()"
  • Policy "CMP0030" disallows "use_mangled_mesa()"
  • Policy "CMP0031" disallows "load_command()"
  • Policy "CMP0032" disallows "output_required_files()"
  • Policy "CMP0033" disallows "export_library_dependencies()"
  • Policy "CMP0034" disallows "utility_source()"
  • Policy "CMP0035" disallows "variable_requires()"
  • Policy "CMP0036" disallows "build_name()"

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Changes made since CMake 3.0.0-rc1:

Aurélien Gâteau (1):
      find_dependency: Give more helpful message if VERSION is empty

Bas Couwenberg (1):
      FindRuby: Add support for Ruby 2.0 and 2.1

Brad King (12):
      Help: Add FindRuby-2 topic release notes
      Help: Consolidate FindRuby-2 release notes for 3.0.0
      Help: Mention in find_package that cmake-gui step is Windows-only (#14781)
      cmake: Fix –check-build-system argument count check (#14784)
      Record more policies on targets when created
      Tests: Simplify and document policy scopes in RunCMake.CMP* tests
      Help: Document variables CMAKE_APPBUNDLE_PATH and CMAKE_FRAMEWORK_PATH
      CMakeDetermine*Compiler: Factor out search for compiler in PATH
      Xcode: Convert forced CMAKE_<LANG>_COMPILER to full path if possible
      CMake*CompilerId: Fix patch level for Intel >= 14.0 (#14806)
      CMake 3.0.0-rc2
      CMake 3.0.0-rc3

Matt McCormick (1):
      FindPython{Interp,Libs}: Search for Python 3.4.

Stephen Kelly (11):
      add_definitions: Don't document genex support.
      CMP0043: Document old and new interfaces for setting directory property.
      find_dependency: Don't propagate EXACT argument.
      Qt4: Use correct qdbus executable in macro.
      QtAutogen: Fix AUTOGEN depends on custom command output with VS.
      find_dependency: Make sure invalid EXACT use can be reported.
      cmTarget: Don't create duplicate backtraces in CMP0046 warning
      QtDialog: Avoid linking to Qt4 WinMain when using Qt 5.
      cmTarget: Restore <CONFIG>_LOCATION to CMP0026 OLD behavior (#14808)
      QtDialog: Fix Qt 5 build on non-Windows.

      Disallow INTERFACE libraries with add_custom_command(TARGET).