Index: slepc/makefile
===================================================================
--- slepc.orig/makefile	2022-10-31 11:51:31.205898261 +0100
+++ slepc/makefile	2022-10-31 11:51:31.197898206 +0100
@@ -169,7 +169,7 @@
 allclean:
 	-@${OMAKE} -f gmakefile clean
 
-clean:: allclean
+clean: allclean
 
 reconfigure:
 	@unset MAKEFLAGS && ${PYTHON} ${PETSC_ARCH}/lib/slepc/conf/reconfigure-${PETSC_ARCH}.py
