Add Findonnxruntime.cmake

cmake/Findonnxruntime.cmake

@@ -0,0 +1,34 @@
+# SPDX-FileCopyrightText: 2023 Giulio Romualdi
+# SPDX-License-Identifier: BSD-3-Clause
+
+#[=======================================================================[.rst:
+Findonnxruntime
+-----------
+
+The following imported targets are created:
+
+onnxruntime::onnxruntime
+
+#]=======================================================================]
+
+include(FindPackageHandleStandardArgs)
+
+find_path(onnxruntime_INCLUDE_DIR
+  NAMES onnxruntime_c_api.h)
+mark_as_advanced(onnxruntime_INCLUDE_DIR)
+find_library(onnxruntime_LIBRARY
+  NAMES onnxruntime)
+mark_as_advanced(onnxruntime_LIBRARY)
+mark_as_advanced(onnxruntime_LIBRARY)
+
+find_package_handle_standard_args(onnxruntime DEFAULT_MSG onnxruntime_INCLUDE_DIR onnxruntime_LIBRARY)
+
+if(onnxruntime_FOUND)
+  if(NOT TARGET onnxruntime::onnxruntime)
+    add_library(onnxruntime::onnxruntime UNKNOWN IMPORTED)
+    set_target_properties(onnxruntime::onnxruntime PROPERTIES
+      INTERFACE_INCLUDE_DIRECTORIES "${onnxruntime_INCLUDE_DIR}")
+    set_property(TARGET onnxruntime::onnxruntime PROPERTY
+      IMPORTED_LOCATION "${onnxruntime_LIBRARY}")
+  endif()
+endif()