Add XRT_BUILD_NUMBER CMake variable for use by upstream builds (#9507)

Upstream projects cannot set XRT_VERSION_PATCH directory as it is
reset by project(xrt).  Instead upstream builds sets XRT_BUILD_NUMBER
which is then used here to explicitly set XRT_VERSION_PATCH.

Signed-off-by: Soren Soe <[email protected]>

Author: stsoe

src/CMake/settings.cmake

@@ -60,13 +60,16 @@ set(XRT_VERSION_RELEASE 202610)
 set(XRT_VERSION_MAJOR 2)
 set(XRT_VERSION_MINOR 21)
 
-if (XRT_VERSION_PATCH)
-  set(XRT_VERSION_PATCH ${XRT_VERSION_PATCH})
+# Upstream builds cannot set XRT_VERSION_PATCH directory as it is
+# reset by project(xrt).  Instead upstream builds sets
+# XRT_BUILD_NUMBER which is then used here
+if (XRT_BUILD_NUMBER)
+   set(XRT_VERSION_PATCH ${XRT_BUILD_NUMBER})
 elseif (DEFINED ENV{XRT_VERSION_PATCH})
   set(XRT_VERSION_PATCH $ENV{XRT_VERSION_PATCH})
 else()
   set(XRT_VERSION_PATCH 0)
-endif(XRT_VERSION_PATCH)
+endif()
 
 # Also update cache to set version for external plug-in .so
 set(XRT_SOVERSION ${XRT_VERSION_MAJOR} CACHE INTERNAL "")