Tests: Optionally skip local packages versions in CMakeOnly.AllFindModules

Some machines have incomplete or otherwise broken installations of
specific packages.  Allow local configuration to prevent the test from
failing on such packages if the version number cannot be extracted.

Tests/CMakeOnly/AllFindModules/CMakeLists.txt

@@ -56,7 +56,10 @@ if (NOT QT4_FOUND)
 endif ()
 
 macro(check_version_string MODULE_NAME VERSION_VAR)
-    if (${MODULE_NAME}_FOUND)
+    string(FIND " ${CMake_TEST_CMakeOnly.AllFindModules_NO_VERSION} " " ${MODULE_NAME} " _exclude_pos)
+    if (NOT _exclude_pos EQUAL -1)
+        message(STATUS "excluding check of ${VERSION_VAR}='${${VERSION_VAR}}' due to local configuration")
+    elseif (${MODULE_NAME}_FOUND)
         if (DEFINED ${VERSION_VAR})
             message(STATUS "${VERSION_VAR}='${${VERSION_VAR}}'")
             if (NOT ${VERSION_VAR} MATCHES "^[0-9]")

Tests/CMakeOnly/CMakeLists.txt

@@ -37,7 +37,11 @@ if(CMAKE_GENERATOR MATCHES "Visual Studio ([^789]|[789][0-9])")
   add_CMakeOnly_test(CompilerIdCSharp)
 endif()
 
-add_CMakeOnly_test(AllFindModules)
+add_test(CMakeOnly.AllFindModules ${CMAKE_CMAKE_COMMAND}
+  -DTEST=AllFindModules
+  -DCMAKE_ARGS=-DCMake_TEST_CMakeOnly.AllFindModules_NO_VERSION=${CMake_TEST_CMakeOnly.AllFindModules_NO_VERSION}
+  -P ${CMAKE_CURRENT_BINARY_DIR}/Test.cmake
+  )
 
 add_CMakeOnly_test(SelectLibraryConfigurations)