Code review notes fixed.

Env setup for testing package implemented using /etc/profile.d;
Variable with path for all native samples added;
Path for test binaries and test data updated.
(cherry picked from commit 39201e68e2)

cmake/OpenCVModule.cmake

@@ -712,11 +712,7 @@ function(ocv_add_perf_tests)
       # TODO: warn about unsatisfied dependencies
     endif(OCV_DEPENDENCIES_FOUND)
     if(INSTALL_TESTS)
-      if(ANDROID)
-        install(TARGETS ${the_target} RUNTIME DESTINATION sdk/etc/bin COMPONENT tests)
-      elseif(NOT WIN32)
-        install(TARGETS ${the_target} RUNTIME DESTINATION share/OpenCV/bin COMPONENT tests)
-      endif()
+      install(TARGETS ${the_target} RUNTIME DESTINATION ${OPENCV_BIN_INSTALL_PATH} COMPONENT tests)
     endif()
   endif()
 endfunction()
@@ -773,11 +769,7 @@ function(ocv_add_accuracy_tests)
     endif(OCV_DEPENDENCIES_FOUND)
 
     if(INSTALL_TESTS)
-      if(ANDROID)
-        install(TARGETS ${the_target} RUNTIME DESTINATION sdk/etc/bin COMPONENT tests)
-      elseif(NOT WIN32)
-        install(TARGETS ${the_target} RUNTIME DESTINATION share/OpenCV/bin COMPONENT tests)
-      endif()
+      install(TARGETS ${the_target} RUNTIME DESTINATION ${OPENCV_BIN_INSTALL_PATH} COMPONENT tests)
     endif()
   endif()
 endfunction()
@@ -819,7 +811,7 @@ function(ocv_add_samples)
   if(INSTALL_C_EXAMPLES AND NOT WIN32 AND EXISTS "${samples_path}")
     file(GLOB sample_files "${samples_path}/*")
     install(FILES ${sample_files}
-            DESTINATION share/OpenCV/samples/${module_id}
+            DESTINATION ${OPENCV_SAMPLES_SRC_INSTALL_PATH}/${module_id}
             PERMISSIONS OWNER_READ GROUP_READ WORLD_READ COMPONENT samples)
   endif()
 endfunction()

cmake/OpenCVPackaging.cmake

@@ -58,9 +58,9 @@ set(CPACK_DEBIAN_PACKAGE_SECTION "libs")
 set(CPACK_DEBIAN_PACKAGE_HOMEPAGE "http://opencv.org")
 if(INSTALL_TESTS AND OPENCV_TEST_DATA_PATH)
   set(prefix "${CMAKE_INSTALL_PREFIX}")
-  configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/postinst"
-                 "${CMAKE_BINARY_DIR}/junk/postinst" @ONLY IMMEDIATE)
-  set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA "${CMAKE_BINARY_DIR}/junk/postinst")
+  configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/opencv_testing.sh.in"
+                 "${CMAKE_BINARY_DIR}/unix-install/opencv_testing.sh" @ONLY IMMEDIATE)
+  install(FILES "${CMAKE_BINARY_DIR}/unix-install/opencv_testing.sh" DESTINATION /etc/profile.d/ COMPONENT tests)
 endif()
 
 #depencencies
@@ -70,9 +70,7 @@ set(CPACK_COMPONENT_dev_DEPENDS libs)
 set(CPACK_COMPONENT_docs_DEPENDS libs)
 set(CPACK_COMPONENT_java_DEPENDS libs)
 set(CPACK_COMPONENT_python_DEPENDS libs)
-if(INSTALL_TESTS)
 set(CPACK_COMPONENT_tests_DEPENDS libs)
-endif()
 
 if(HAVE_CUDA)
   string(REPLACE "." "-" cuda_version_suffix ${CUDA_VERSION})

cmake/templates/postinst

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-echo "export OPENCV_TEST_DATA_PATH=@prefix@/share/OpenCV/testdata" >> /etc/profile