From d3aba6033f21133f1cbefd0b564c2accd0b26147 Mon Sep 17 00:00:00 2001
From: MichaelFeistETC <145134025+MichaelFeistETC@users.noreply.github.com>
Date: Fri, 24 Jan 2025 11:54:26 -0600
Subject: [PATCH] #968 Swap PROJECT_IS_TOP_LEVEL called before project()
 (#1015)

---
 cmake/helpers.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/helpers.cmake b/cmake/helpers.cmake
index 9249fb4e4..4624f3c2e 100644
--- a/cmake/helpers.cmake
+++ b/cmake/helpers.cmake
@@ -13,7 +13,7 @@ function(determine_version_with_git)
     git_describe(VERSION ${ARGN})
     string(FIND ${VERSION} "." VALID_VERSION)
     if(VALID_VERSION EQUAL -1)
-        if(PROJECT_IS_TOP_LEVEL)
+        if(CMAKE_CURRENT_LIST_DIR STREQUAL PROJECT_SOURCE_DIR)
             # only warn if this is the top-level project, since we may be
             # building from a tarball as a subproject
             message(WARNING "Version string ${VERSION} retrieved with git describe is invalid")