diff --git a/src/ML-POD/Install.sh b/src/ML-POD/Install.sh
index a62887e1b3..ffc25b1420 100755
--- a/src/ML-POD/Install.sh
+++ b/src/ML-POD/Install.sh
@@ -7,6 +7,19 @@ mode=$1
 LC_ALL=C
 export LC_ALL
 
+cat <<EOF
+WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING
+WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING
+
+ Support for building the ML-POD package with the legacy build system using GNU
+ make will be removed in Summer 2025.  Please switch to using CMake to build
+ LAMMPS as soon as possible and report any problems to developers@lammps.org
+ or post a bug report issue at https://github.com/lammps/lammps/issues
+
+WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING
+WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING-WARNING
+EOF
+
 # arg1 = file, arg2 = file it depends on
 
 action () {