add a test that loops through most Find* modules

This allows easy spotting of modules that output crappy messages and the
like.

Tests/CMakeOnly/AllFindModules/CMakeLists.txt

@@ -0,0 +1,25 @@
+cmake_minimum_required (VERSION 2.8)
+project(AllFindModules)
+
+if (POLICY CMP0017)
+  cmake_policy(SET CMP0017 NEW)
+endif ()
+
+file(GLOB FIND_MODULES "${CMAKE_CURRENT_SOURCE_DIR}/../../../Modules/Find*.cmake" )
+
+foreach(FIND_MODULE ${FIND_MODULES})
+    string(REGEX REPLACE ".*/Find(.*)\\.cmake$" "\\1" MODULE_NAME "${FIND_MODULE}")
+
+    # It is only possible to use either Qt3 or Qt4 in one project.
+    # Since FindQt will complain if both are found we explicitely
+    # filter out this and FindQt3. FindKDE3 also depends on Qt3 and
+    # is therefore also blocked
+
+    if (NOT MODULE_NAME STREQUAL "Qt" AND
+        NOT MODULE_NAME STREQUAL "Qt3" AND
+        NOT MODULE_NAME STREQUAL "KDE3")
+        message(STATUS "   Checking Find${MODULE_NAME}")
+        find_package(${MODULE_NAME})
+    endif ()
+
+endforeach(FIND_MODULE)

Tests/CMakeOnly/CMakeLists.txt

@@ -14,3 +14,5 @@ set_property(TEST CMakeOnly.LinkInterfaceLoop PROPERTY TIMEOUT 90)
 add_CMakeOnly_test(CheckSymbolExists)
 
 add_CMakeOnly_test(CheckCXXSymbolExists)
+
+add_CMakeOnly_test(AllFindModules)