diff -ru coinmp.orig/Clp/src/CbcOrClpParam.cpp coinmp/Clp/src/CbcOrClpParam.cpp
--- coinmp.orig/Clp/src/CbcOrClpParam.cpp	2025-07-19 12:25:58.571664720 +0100
+++ coinmp/Clp/src/CbcOrClpParam.cpp	2025-07-19 12:31:48.302362167 +0100
@@ -29,9 +29,9 @@
 #endif
 #ifdef COIN_HAS_CBC
 // from CoinSolve
-static char coin_prompt[] = "Coin:";
+static const char coin_prompt[] = "Coin:";
 #else
-static char coin_prompt[] = "Clp:";
+static const char coin_prompt[] = "Clp:";
 #endif
 #ifdef CLP_CILK
 #ifndef CBC_THREAD
diff -ru coinmp.orig/Clp/src/ClpLsqr.cpp coinmp/Clp/src/ClpLsqr.cpp
--- coinmp.orig/Clp/src/ClpLsqr.cpp	2025-07-19 12:25:58.565664691 +0100
+++ coinmp/Clp/src/ClpLsqr.cpp	2025-07-19 12:26:11.300280454 +0100
@@ -20,7 +20,7 @@
      */
 
 //     Initialize.
-     static char term_msg[8][80] = {
+     static const char term_msg[8][80] = {
           "The exact solution is x = 0",
           "The residual Ax - b is small enough, given ATOL and BTOL",
           "The least squares error is small enough, given ATOL",
diff -ru coinmp.orig/CoinMP/src/CoinMP.cpp coinmp/CoinMP/src/CoinMP.cpp
--- coinmp.orig/CoinMP/src/CoinMP.cpp	2025-07-19 12:25:58.538664560 +0100
+++ coinmp/CoinMP/src/CoinMP.cpp	2025-07-19 12:29:50.486149026 +0100
@@ -35,11 +35,11 @@
 #include "CoinMP.h"
 
 
-const char*  COINMP_VERSIONSTR = "1.8.4";
+const char* const COINMP_VERSIONSTR = "1.8.4";
 const int    COINMP_VERSIONINT = 184;
 const double COINMP_VERSIONDBL = 1.84;
 
-const char* COINMP_NAME = "CoinMP";
+const char* const COINMP_NAME = "CoinMP";
 
 
 /************************************************************************/