Index: /issm/trunk-jpl/src/wrappers/CoordTransform/CoordTransform.cpp
===================================================================
--- /issm/trunk-jpl/src/wrappers/CoordTransform/CoordTransform.cpp	(revision 26367)
+++ /issm/trunk-jpl/src/wrappers/CoordTransform/CoordTransform.cpp	(revision 26368)
@@ -16,5 +16,5 @@
 		https://proj.org/development/reference/macros.html
 */
-#if !defined(PROJ_VERSION_MAJOR)
+#if !defined(PROJ_VERSION_MAJOR) || !PROJ_AT_LEAST_VERSION(8, 0, 0)
 	_error_("PROJ major version >= 8 required");
 #else