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Merge pull request #23724 from dkurt:java_without_ant

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Build Java without ANT #23724

### Pull Request Readiness Checklist

Enables a path of building Java bindings without ANT

* Able to build OpenCV JAR and Docs without ANT
  ```
  --   Java:
  --     ant:                         NO
  --     JNI:                         /usr/lib/jvm/default-java/include /usr/lib/jvm/default-java/include/linux /usr/lib/jvm/default-java/include
  --     Java wrappers:               YES
  --     Java tests:                  NO
  ```
* Possible to build OpenCV JAR without ANT but tests still require ANT

**Merge with**: https://github.com/opencv/opencv_contrib/pull/3502

Notes:
- Use `OPENCV_JAVA_IGNORE_ANT=1` to force "Java" flow for building Java bindings
- Java tests still require Apache ANT
- JAR doesn't include `.java` source code files.


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
- [ ] There is a reference to the original bug report and related work
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [x] The feature is well documented and sample code can be built with the project CMake
This commit is contained in:
Dmitry Kurtaev
2023-06-16 19:58:20 +03:00
committed by GitHub
parent ec95efca10
commit 433c364456
7 changed files with 130 additions and 31 deletions
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modules/java/CMakeLists.txt
+3 -1
View File
@@ -3,7 +3,9 @@ if(OPENCV_INITIAL_PASS)
add_subdirectory(generator)
endif()
if(APPLE_FRAMEWORK OR WINRT OR NOT PYTHON_DEFAULT_AVAILABLE OR NOT (ANT_EXECUTABLE OR ANDROID_PROJECTS_BUILD_TYPE STREQUAL "GRADLE")
if(APPLE_FRAMEWORK OR WINRT
OR NOT PYTHON_DEFAULT_AVAILABLE
OR NOT (ANT_EXECUTABLE OR Java_FOUND OR ANDROID_PROJECTS_BUILD_TYPE STREQUAL "GRADLE")
OR NOT (JNI_FOUND OR (ANDROID AND (NOT DEFINED ANDROID_NATIVE_API_LEVEL OR ANDROID_NATIVE_API_LEVEL GREATER 7)))
OR BUILD_opencv_world
)