From 87331ca1a0ab3655ff3118e9bb8e44958e19b73a Mon Sep 17 00:00:00 2001
From: anders-nylander <101791049+anders-nylander@users.noreply.github.com>
Date: Thu, 25 May 2023 17:29:14 +0200
Subject: [PATCH] Merge pull request #21736 from
 anders-nylander:fix_android_sdk_tools_dependency

Android: don't require deprecated tools #21736

Checking for these deprecated is no longer necessary, and infact broken on fresh Android SDK installs. Remove the check.

resolves #21735

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work
- [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake
---
 cmake/android/OpenCVDetectAndroidSDK.cmake | 36 ++++++++++++----------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/cmake/android/OpenCVDetectAndroidSDK.cmake b/cmake/android/OpenCVDetectAndroidSDK.cmake
index 3431d4aff8..d9853ae4de 100644
--- a/cmake/android/OpenCVDetectAndroidSDK.cmake
+++ b/cmake/android/OpenCVDetectAndroidSDK.cmake
@@ -170,27 +170,29 @@ endmacro()  # ocv_detect_android_sdk_build_tools
 
 if(BUILD_ANDROID_PROJECTS)
   ocv_detect_android_sdk()
-  ocv_detect_android_sdk_tools()
   ocv_detect_android_sdk_build_tools()
 
-  if(ANDROID_SDK_TOOLS_VERSION VERSION_LESS 14)
-    message(FATAL_ERROR "Android SDK Tools: OpenCV requires Android SDK Tools revision 14 or newer.\n"
-                        "${__msg_BUILD_ANDROID_PROJECTS}")
-  endif()
+  if(NOT ANDROID_SDK_BUILD_TOOLS_VERSION VERSION_LESS 26.0.2)
+    # https://developer.android.com/studio/releases/gradle-plugin.html
+    message(STATUS "Android SDK Build Tools: Gradle 3.0.0+ builds support is available")
+    ocv_update(ANDROID_PROJECTS_SUPPORT_GRADLE ON)
+  else()
+    ocv_detect_android_sdk_tools()
 
-  if(NOT ANDROID_SDK_TOOLS_VERSION VERSION_LESS 25.3.0)
-    message(STATUS "Android SDK Tools: Ant (Eclipse) builds are NOT supported by Android SDK")
-    ocv_update(ANDROID_PROJECTS_SUPPORT_ANT OFF)
-    if(NOT ANDROID_SDK_BUILD_TOOLS_VERSION VERSION_LESS 26.0.2)
-      # https://developer.android.com/studio/releases/gradle-plugin.html
-      message(STATUS "Android SDK Build Tools: Gradle 3.0.0+ builds support is available")
-      ocv_update(ANDROID_PROJECTS_SUPPORT_GRADLE ON)
+    if(ANDROID_SDK_TOOLS_VERSION VERSION_LESS 14)
+      message(FATAL_ERROR "Android SDK Tools: OpenCV requires Android SDK Tools revision 14 or newer.\n"
+                          "${__msg_BUILD_ANDROID_PROJECTS}")
     endif()
-  else()
-    include(${CMAKE_CURRENT_LIST_DIR}/../OpenCVDetectApacheAnt.cmake)
-    if(ANT_EXECUTABLE AND NOT ANT_VERSION VERSION_LESS 1.7)
-      message(STATUS "Android SDK Tools: Ant (Eclipse) builds are supported")
-      ocv_update(ANDROID_PROJECTS_SUPPORT_ANT ON)
+
+    if(NOT ANDROID_SDK_TOOLS_VERSION VERSION_LESS 25.3.0)
+      message(STATUS "Android SDK Tools: Ant (Eclipse) builds are NOT supported by Android SDK")
+      ocv_update(ANDROID_PROJECTS_SUPPORT_ANT OFF)
+    else()
+      include(${CMAKE_CURRENT_LIST_DIR}/../OpenCVDetectApacheAnt.cmake)
+      if(ANT_EXECUTABLE AND NOT ANT_VERSION VERSION_LESS 1.7)
+        message(STATUS "Android SDK Tools: Ant (Eclipse) builds are supported")
+        ocv_update(ANDROID_PROJECTS_SUPPORT_ANT ON)
+      endif()
     endif()
   endif()