Fixed annoying CMake - Qt warning.

demos/CMakeLists.txt

@@ -2,10 +2,12 @@ project(EigenDemos)
 
 add_custom_target(demos)
 
-find_package(Qt4)
-if(QT4_FOUND)
-  add_subdirectory(mandelbrot)
-  add_subdirectory(opengl)
-else(QT4_FOUND)
-  message(STATUS "Qt4 not found, so disabling the mandelbrot and opengl demos")
-endif(QT4_FOUND)
+if(NOT EIGEN_TEST_NOQT)
+  find_package(Qt4)
+  if(QT4_FOUND)
+    add_subdirectory(mandelbrot)
+    add_subdirectory(opengl)
+  else(QT4_FOUND)
+    message(STATUS "Qt4 not found, so disabling the mandelbrot and opengl demos")
+  endif(QT4_FOUND)
+endif()

test/CMakeLists.txt

@@ -19,14 +19,15 @@ endif(GSL_FOUND)
 
 option(EIGEN_TEST_NOQT "Disable Qt support in unit tests" OFF)
 if(NOT EIGEN_TEST_NOQT)
+  message("----------------> find qt")
   find_package(Qt4)
 endif(NOT EIGEN_TEST_NOQT)
-if(QT4_FOUND)
+if(EIGEN_TEST_NOQT AND QT4_FOUND)
   include(${QT_USE_FILE})
   ei_add_property(EIGEN_TESTED_BACKENDS  "Qt4 support, ")
-else(QT4_FOUND)
+else()
   ei_add_property(EIGEN_MISSING_BACKENDS  "Qt4 support, ")
-endif(QT4_FOUND)
+endif()
 
 if(TEST_LIB)
   add_definitions("-DEIGEN_EXTERN_INSTANTIATIONS=1")