Verify that the command produces a FATAL_ERROR if and only if the
missing package is REQUIRED.

If in Config mode a configuration file could not be found, cmake printed
an error, but did not actually stop processing. With SetFatalErrorOccured
it does.

Alex

944b90be add testcases for while()/endwhile() errors
f605b92d improve error message on a stray "endwhile()"

9271d2f6 AllFindModules test: once again expand version checking

09ff226e Merge branch 'add-const-qualifiers' into doxygen-fixes
31ab25c0 doxygen: MathCommand is not about string operators
486033ae doxygen: review cmake.h
937bb4be doxygen: remove a few comments
47745901 doxygen: fix some comments in cmPolicies.h
4a48be32 doxygen: Small fixes in cmake.h apidocs
1e5b971e doxygen: Use proper syntax to document enum
54ab11c0 doxygen: Improve API docs of GetRealDependency
80072d4e doxygen: cmPropertyDefinition

737c49a3 Add 'const' qualifier to some cmCommand members
261491fe cmPropertyDefinition::IsChained is const

5cd879c4 bootstrap: Convert MSYS paths to Windows format (#13001)

2557a080 Fix typo in error message, and remove redundent test.
9090572f Add ability to include a file in a project via a cache variable.

43d60114 Run vim spellcheck on some files

95f50940 document when version detection will not work

5663e436 DragNDrop: Fix problem with relocated files in Xcode 4.3

eeaaffcb find_package: Test error and warning messages in failure cases
52dffb9f Merge branch 'test-CMakeCommands' into find_package-improve-messages
d3651041 find_package: Optionally warn when implicitly using Config mode
31ead5f6 find_package: Reject mixed use of MODULE- and CONFIG-only options
6d830831 find_package: mention requested version number in error message
9c39bbd4 find_package: add CONFIG mode keyword alias for NO_MODULE
f310f672 find_package: add MODULE mode to use only Find-modules
7d67dcf5 find_package: improve error message when no Find module is present
978d89b9 find_package: rename NoModule to UseFindModules

5e1a5c44 Add infrastructure for CMakeCommands tests

b3f9fe42 find_package: print error if an invalid CONFIGS name is used

0b863882 CMakeFindPackageMode: fix 32/64bit detection if 'file' is a symlink

573fa3bf Factor cmInstallType out of cmTarget::TargetType

7d6db93d FindPythonInterp: rework the version detection

4f6fd961 Drop if(...) check because condition is always true

518f965b FindImageMagick: fix fail if no components were given

f5cf8f98 Tests: Escape metachars before embedding paths into the regex (#12999)

a5edfc4f Fix typo in documentation

2ace3427 Typo: Add missing ##end for ##module
c8950621 Update CPack PackageMaker variable doc layout

98d15837 Provide template for CPack Cygwin generator specific variables.

6ad0f040 Update CPackConfig template.
94a26930 Review and update CPack variable documentation.

b3851f50 Fix CPack Drag and Drop generator documentation layout.

4849e6ac Fix layout of the CPack Bundle documentation

0d2f5c8d Fix crash if app bundle executeable couldn't be found

213eb6e6 FindHSPELL: set HSPELL_VERSION_STRING

b2cbd755 Remove unused file cmake.1

ffdaa476 FindOpenSceneGraph: give every message() with an explicit level

ab9824e1 cmake-mode.el: Make indentation case-insensitive (#12995)

c28e2769 GenerateExportHeader: improve compiler identification
4412fc08 GenerateExportHeader: remove unneeded code

f6ecb900 Check{C,CXX}CompilerFlag: detect ICC error messages

53d02ea1 FindPythonLibs: stop scanning when libraries are found
91d5a2a3 FindPythonLibs: put debug libraries into PYTHON_LIBRARIES
c9c1a176 FindPythonLibs: get the exact version of the found library (#3080)
f7723786 FindPythonLibs: make the version selection work as for PythonInterp
bbddaeef FindPython{Interp,Libs}: document Python_ADDITIONAL_VERSIONS as input

aca1121e UseSWIG: clean up string compares

0110262a FindOpenMP: simplify check for enabled languages