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 | Index: scotch/src/CMakeLists.txt
===================================================================
--- scotch.orig/src/CMakeLists.txt	2025-10-04 13:42:19.431760592 +0200
+++ scotch/src/CMakeLists.txt	2025-10-04 13:42:19.427534128 +0200
@@ -47,7 +47,10 @@
 ############################################################
 
 # Add general compiler options
-add_definitions(-Drestrict=__restrict -DSCOTCH_RENAME)
+add_definitions(-Drestrict=__restrict)
+if(SCOTCH_RENAME)
+  add_definitions(-DSCOTCH_RENAME)
+endif()
 
 set(dev_null /dev/null)
 
@@ -71,7 +74,10 @@
 
 # Manage suffixes
 if (USE_SUFFIX)
-  add_definitions(-DSCOTCH_RENAME_ALL -DSCOTCH_NAME_SUFFIX=${SCOTCH_NAME_SUFFIX})
+  add_definitions(-DSCOTCH_NAME_SUFFIX=${SCOTCH_NAME_SUFFIX})
+  if(SCOTCH_RENAME_ALL)
+    add_definitions(-DSCOTCH_RENAME_ALL)
+  endif()
 endif()
 
 ###################
Index: scotch/CMakeLists.txt
===================================================================
--- scotch.orig/CMakeLists.txt	2025-10-04 13:42:19.431760592 +0200
+++ scotch/CMakeLists.txt	2025-10-04 13:42:19.428317523 +0200
@@ -69,6 +69,8 @@
 set(SCOTCH_PATCHLEVEL 10)
 set(SCOTCH_CODENAME "Sankara")
 
+include(CMakeDependentOption)
+
 add_definitions(-DSCOTCH_VERSION_NUM=${SCOTCH_VERSION}
   -DSCOTCH_RELEASE_NUM=${SCOTCH_RELEASE}
   -DSCOTCH_PATCHLEVEL_NUM=${SCOTCH_PATCHLEVEL})
@@ -83,9 +85,8 @@
 
 # Manage suffixes
 set(SCOTCH_NAME_SUFFIX "" CACHE STRING "Suffix to add to every symbol in the Scotch/PT-Scotch libraries")
-if(NOT "${SCOTCH_NAME_SUFFIX}" STREQUAL "")
-  set(USE_SUFFIX ON)
-endif()
+cmake_dependent_option(USE_SUFFIX "Apply suffix to API names" ON SCOTCH_NAME_SUFFIX OFF)
+
 # Thread support
 option(THREADS "Use multi-threading in Scotch and PT-Scotch" ON)
 
 |