-- remove restriction on clang compiler for SLN build, see https://github.com/rdkit/rdkit/issues/9664
-- the code was just skipped for clang for no obvious reason

--- Code/GraphMol/CMakeLists.txt.orig	2026-08-28 02:56:41 UTC
+++ Code/GraphMol/CMakeLists.txt
@@ -110,7 +110,7 @@ endif (RDK_BUILD_MOLINTERCHANGE_SUPPORT)
     add_subdirectory(MolInterchange)
 endif (RDK_BUILD_MOLINTERCHANGE_SUPPORT)
 
-if (RDK_BUILD_SLN_SUPPORT AND NOT CMAKE_COMPILER_IS_CLANG)
+if (RDK_BUILD_SLN_SUPPORT)
     if (CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS_EQUAL 4.8)
         message("Skipping SLN build with gcc version <= 4.8")
     else ()