Review changes:

1. Removed include-dir settings from tests/CMakeLists.
2. Removed version header from c-api source and tests.
3. Added version header to c-api header.
4. Modified `jextract` script for the include directory, so as to find
   the version header.

Author: mythrocks

cpp/include/cuvs/core/c_api.h

@@ -16,6 +16,8 @@
 
 #pragma once
 
+#include <cuvs/version_config.hpp>
+
 #include <cuda_runtime.h>
 #include <stdbool.h>
 #include <stdint.h>

cpp/src/core/c_api.cpp

@@ -16,7 +16,6 @@
 
 #include <cuvs/core/c_api.h>
 #include <cuvs/core/exceptions.hpp>
-#include <cuvs/version_config.hpp>
 
 #include <raft/core/resource/cuda_stream.hpp>
 #include <raft/core/resources.hpp>

cpp/tests/CMakeLists.txt

@@ -1,5 +1,5 @@
 # =============================================================================
-# Copyright (c) 2021-2025, NVIDIA CORPORATION.
+# Copyright (c) 2021-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 # in compliance with the License. You may obtain a copy of the License at
@@ -292,9 +292,6 @@ if(TARGET cuvs::c_api)
   endif()
 
   add_executable(cuvs_c_test core/c_api.c)
-  target_include_directories(
-    cuvs_c_test PUBLIC "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/../include>"
-  )
   target_link_libraries(cuvs_c_test PUBLIC cuvs::c_api)
 
   add_executable(cuvs_c_neighbors_test neighbors/c_api.c)

cpp/tests/core/c_api.c

@@ -15,7 +15,6 @@
  */
 
 #include <cuvs/core/c_api.h>
-#include <cuvs/version_config.hpp>
 
 #include <stdio.h>
 #include <stdlib.h>

java/panama-bindings/generate-bindings.sh

@@ -36,6 +36,7 @@ jextract \
  --include-dir "${REPODIR}"/java/internal/build/_deps/dlpack-src/include/ \
  --include-dir "${CUDA_INCLUDE_DIR}" \
  --include-dir "${REPODIR}"/cpp/include \
+ --include-dir "${REPODIR}"/cpp/build/include \
  --output "${REPODIR}/java/cuvs-java/src/main/java22/" \
  --target-package ${TARGET_PACKAGE} \
  --library cuvs_c \