diff --git a/adapters/opencv/CMakeLists.txt b/adapters/opencv/CMakeLists.txt
index d6f9e4b91755aba866d2730fec936236e1ce3edd..7ee1ff39db78089f2d643a3186c2980427526a74 100644
--- a/adapters/opencv/CMakeLists.txt
+++ b/adapters/opencv/CMakeLists.txt
@@ -16,8 +16,8 @@ target_link_libraries(intrinsiccv_hal PUBLIC intrinsiccv)
 target_include_directories(intrinsiccv_hal PRIVATE
   $<TARGET_PROPERTY:intrinsiccv,INCLUDE_DIRECTORIES>
   ${CMAKE_CURRENT_LIST_DIR}
-  ${CMAKE_SOURCE_DIR}/modules/core/include
-  ${CMAKE_SOURCE_DIR}/modules/imgproc/include
+  ${OPENCV_SOURCE_DIR}/modules/core/include
+  ${OPENCV_SOURCE_DIR}/modules/imgproc/include
 )
 target_compile_options(intrinsiccv_hal PRIVATE $<TARGET_PROPERTY:intrinsiccv,COMPILE_OPTIONS>)
 set_target_properties(intrinsiccv_hal PROPERTIES CXX_STANDARD 17)
diff --git a/adapters/opencv/opencv-4.9.patch b/adapters/opencv/opencv-4.9.patch
index 0fd607db02ebf91a961cedce730f69f2c022f2f0..85eecfc63ae923ac1944158cd6246b77e3ad049f 100644
--- a/adapters/opencv/opencv-4.9.patch
+++ b/adapters/opencv/opencv-4.9.patch
@@ -12,10 +12,19 @@ index 0000000000..c0ffb73ad7
 +
 +include("${INTRINSICCV_SOURCE_PATH}/adapters/opencv/CMakeLists.txt")
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 5da9c2a695..0ec03b84b7 100644
+index 5da9c2a695..3f1a2c7e38 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -254,6 +254,8 @@ OCV_OPTION(WITH_CAP_IOS "Enable iOS video capture" ON
+@@ -13,6 +13,8 @@ FATAL: In-source builds are not allowed.
+ ")
+ endif()
+ 
++# Useful for HALs if built as a CMake submodule
++set(OPENCV_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+ 
+ include(cmake/OpenCVMinDepVersions.cmake)
+ 
+@@ -254,6 +256,8 @@ OCV_OPTION(WITH_CAP_IOS "Enable iOS video capture" ON
    VERIFY HAVE_CAP_IOS)
  OCV_OPTION(WITH_CAROTENE "Use NVidia carotene acceleration library for ARM platform" (NOT CV_DISABLE_OPTIMIZATION)
    VISIBLE_IF (ARM OR AARCH64) AND NOT IOS AND NOT XROS)
@@ -24,7 +33,7 @@ index 5da9c2a695..0ec03b84b7 100644
  OCV_OPTION(WITH_CPUFEATURES "Use cpufeatures Android library" ON
    VISIBLE_IF ANDROID
    VERIFY HAVE_CPUFEATURES)
-@@ -955,6 +957,13 @@ if(HAVE_OPENVX)
+@@ -955,6 +959,13 @@ if(HAVE_OPENVX)
    endif()
  endif()
  
@@ -38,7 +47,7 @@ index 5da9c2a695..0ec03b84b7 100644
  if(WITH_CAROTENE)
    ocv_debug_message(STATUS "Enable carotene acceleration")
    if(NOT ";${OpenCV_HAL};" MATCHES ";carotene;")
-@@ -979,6 +988,10 @@ foreach(hal ${OpenCV_HAL})
+@@ -979,6 +990,10 @@ foreach(hal ${OpenCV_HAL})
      else()
        message(STATUS "Carotene: NEON is not available, disabling carotene...")
      endif()
diff --git a/adapters/opencv/opencv-5.x.patch b/adapters/opencv/opencv-5.x.patch
index 8558e94b22473847ddf40544f7e1fc2849cf13b3..6bbc8a8e944bba3e77ea970a2e9bcbabb024cd46 100644
--- a/adapters/opencv/opencv-5.x.patch
+++ b/adapters/opencv/opencv-5.x.patch
@@ -12,10 +12,19 @@ index 0000000000..c0ffb73ad7
 +
 +include("${INTRINSICCV_SOURCE_PATH}/adapters/opencv/CMakeLists.txt")
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index d462ccf1a5..76a48e2886 100644
+index 4a628c1a6a..999df2657d 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -259,6 +259,8 @@ OCV_OPTION(WITH_CAP_IOS "Enable iOS video capture" ON
+@@ -13,6 +13,8 @@ FATAL: In-source builds are not allowed.
+ ")
+ endif()
+ 
++# Useful for HALs if built as a CMake submodule
++set(OPENCV_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+ 
+ include(cmake/OpenCVMinDepVersions.cmake)
+ 
+@@ -259,6 +261,8 @@ OCV_OPTION(WITH_CAP_IOS "Enable iOS video capture" ON
    VERIFY HAVE_CAP_IOS)
  OCV_OPTION(WITH_CAROTENE "Use NVidia carotene acceleration library for ARM platform" (NOT CV_DISABLE_OPTIMIZATION)
    VISIBLE_IF (ARM OR AARCH64) AND NOT IOS AND NOT XROS)
@@ -24,7 +33,7 @@ index d462ccf1a5..76a48e2886 100644
  OCV_OPTION(WITH_CPUFEATURES "Use cpufeatures Android library" ON
    VISIBLE_IF ANDROID
    VERIFY HAVE_CPUFEATURES)
-@@ -958,6 +960,13 @@ if(HAVE_OPENVX)
+@@ -956,6 +960,13 @@ if(HAVE_OPENVX)
    endif()
  endif()
  
@@ -38,7 +47,7 @@ index d462ccf1a5..76a48e2886 100644
  if(WITH_CAROTENE)
    ocv_debug_message(STATUS "Enable carotene acceleration")
    if(NOT ";${OpenCV_HAL};" MATCHES ";carotene;")
-@@ -982,6 +991,10 @@ foreach(hal ${OpenCV_HAL})
+@@ -980,6 +991,10 @@ foreach(hal ${OpenCV_HAL})
      else()
        message(STATUS "Carotene: NEON is not available, disabling carotene...")
      endif()