From: stuff overlay maintainer
Subject: Use OCCT 7.8 unified TKDESTEP library

OpenCASCADE 7.8 merged the per-format STEP modules (TKSTEP, TKSTEP209,
TKSTEPAttr, TKSTEPBase, TKXDESTEP) into a single TKDESTEP library.
Replace the five-element list in libslic3r/CMakeLists.txt with the
unified target so the link succeeds.

--- a/src/libslic3r/CMakeLists.txt
+++ b/src/libslic3r/CMakeLists.txt
@@ -545,11 +545,7 @@
 find_package(draco REQUIRED)
 
 set(OCCT_LIBS
-    TKXDESTEP
-    TKSTEP
-    TKSTEP209
-    TKSTEPAttr
-    TKSTEPBase
+    TKDESTEP
     TKXCAF
     TKXSBase
     TKVCAF