Distinguish unversioned ONNXSource package (#3469)

This commit introduces ONNXSourceConfigVersion.cmake for unversioned
package in order to eliminate ambiguity in package searching.

Signed-off-by: Jonghyun Park <jh1302.park@samsung.com>

diff --git a/cmake/packages/ONNXSourceConfigVersion.cmake b/cmake/packages/ONNXSourceConfigVersion.cmake
new file mode 100644 (file)
index 0000000..ac9e22e
--- /dev/null
+++ b/cmake/packages/ONNXSourceConfigVersion.cmake
@@ -0,0 +1,9 @@
+set(PACKAGE_VERSION_EXACT FALSE)
+set(PACKAGE_VERSION_COMPATIBLE FALSE)
+set(PACKAGE_VERSION_UNSUITABLE TRUE)
+
+if(NOT PACKAGE_FIND_VERSION)
+  # This package works only when find_package(...) call has no EXACT option
+  set(PACKAGE_VERSION_COMPATIBLE TRUE)
+  set(PACKAGE_VERSION_UNSUITABLE FALSE)
+endif(NOT PACKAGE_FIND_VERSION)