Merge remote-tracking branch 'origin/2.4' into merge-2.4

Conflicts:
	apps/CMakeLists.txt
	modules/contrib/CMakeLists.txt
	modules/core/include/opencv2/core/version.hpp
	modules/imgproc/include/opencv2/imgproc/imgproc.hpp
	modules/java/generator/gen_java.py
	modules/ocl/include/opencv2/ocl/ocl.hpp
	modules/ocl/src/cl_runtime/cl_runtime.cpp
	modules/ocl/src/columnsum.cpp
	modules/ocl/src/filtering.cpp
	modules/ocl/src/imgproc.cpp
	modules/ocl/test/main.cpp
	modules/ocl/test/test_color.cpp
	modules/ocl/test/test_imgproc.cpp
	samples/gpu/CMakeLists.txt

modules/java/test/CMakeLists.txt

@@ -10,6 +10,9 @@ set(opencv_test_java_bin_dir "${CMAKE_CURRENT_BINARY_DIR}/.build")
 set(android_source_dir "${CMAKE_CURRENT_SOURCE_DIR}/../android_test")
 set(java_source_dir ${CMAKE_CURRENT_SOURCE_DIR})
 
+# make sure the build directory exists
+file(MAKE_DIRECTORY "${opencv_test_java_bin_dir}")
+
 # get project sources
 file(GLOB_RECURSE opencv_test_java_files RELATIVE "${android_source_dir}" "${android_source_dir}/res/*" "${android_source_dir}/src/*.java")
 # These are the files that need to be updated for pure Java.
@@ -58,14 +61,6 @@ add_custom_command(OUTPUT "${opencv_test_java_bin_dir}/build.xml"
                    COMMENT "Copying build.xml"
                   )
 
-# Create a script for running the Java tests and place it in build/bin.
-#if(WIN32)
-  #file(WRITE "${CMAKE_BINARY_DIR}/bin/opencv_test_java.cmd"   "cd ${opencv_test_java_bin_dir}\nset PATH=${EXECUTABLE_OUTPUT_PATH}/Release;%PATH%\nant -DjavaLibraryPath=${EXECUTABLE_OUTPUT_PATH}/Release buildAndTest")
-  #file(WRITE "${CMAKE_BINARY_DIR}/bin/opencv_test_java_D.cmd" "cd ${opencv_test_java_bin_dir}\nset PATH=${EXECUTABLE_OUTPUT_PATH}/Debug;%PATH%\nant   -DjavaLibraryPath=${EXECUTABLE_OUTPUT_PATH}/Debug   buildAndTest")
-#else()
-  #file(WRITE "${CMAKE_BINARY_DIR}/bin/opencv_test_java.sh" "cd ${opencv_test_java_bin_dir};\nant -DjavaLibraryPath=${LIBRARY_OUTPUT_PATH} buildAndTest;\ncd -")
-#endif()
-
 add_custom_command(OUTPUT "${opencv_test_java_bin_dir}/build/jar/opencv-test.jar"
                    COMMAND "${ANT_EXECUTABLE}" build
                    WORKING_DIRECTORY "${opencv_test_java_bin_dir}"
@@ -73,8 +68,19 @@ add_custom_command(OUTPUT "${opencv_test_java_bin_dir}/build/jar/opencv-test.jar
                    COMMENT "Build Java tests"
                   )
 
-add_custom_target(${PROJECT_NAME} ALL SOURCES "${opencv_test_java_bin_dir}/build/jar/opencv-test.jar")
-add_dependencies(${PROJECT_NAME} ${the_module})
+# Not add_custom_command because generator expressions aren't supported in
+# OUTPUT file names, and we need to generate different files for different
+# configurations.
+add_custom_target(${PROJECT_NAME}_properties
+                  COMMAND "${CMAKE_COMMAND}" -E echo "opencv.lib.path = $<TARGET_FILE_DIR:${the_module}>"
+                    > "${opencv_test_java_bin_dir}/ant-$<CONFIGURATION>.properties"
+                  VERBATIM
+                 )
+
+add_custom_target(${PROJECT_NAME} ALL
+                  DEPENDS ${the_module} ${PROJECT_NAME}_properties
+                  SOURCES "${opencv_test_java_bin_dir}/build/jar/opencv-test.jar"
+                 )
 
 if(ENABLE_SOLUTION_FOLDERS)
   set_target_properties(${PROJECT_NAME} PROPERTIES FOLDER "tests accuracy")

modules/java/test/build.xml

@@ -1,4 +1,6 @@
 <project>
+  <property file="ant-${opencv.build.type}.properties"/>
+
   <path id="master-classpath">
     <fileset dir="lib">
       <include name="*.jar"/>
@@ -34,8 +36,8 @@
   <target name="test">
     <mkdir dir="testResults"/>
     <junit printsummary="true" haltonfailure="false" haltonerror="false" showoutput="false" logfailedtests="true" maxmemory="256m">
-      <sysproperty key="java.library.path" path="${javaLibraryPath}"/>
-      <env key="PATH" path="${javaLibraryPath}"/>
+      <sysproperty key="java.library.path" path="${opencv.lib.path}"/>
+      <env key="PATH" path="${opencv.lib.path}"/>
       <classpath refid="master-classpath"/>
       <classpath>
         <pathelement location="build/classes"/>
@@ -61,4 +63,4 @@
     <antcall target="jar"/>
     <antcall target="test"/>
   </target>
-</project>
+</project>

modules/java/test/src/org/opencv/test/OpenCVTestRunner.java

@@ -2,7 +2,6 @@ package org.opencv.test;
 
 import java.io.File;
 import java.io.IOException;
-import junit.framework.Assert;
 
 import org.opencv.core.Mat;