X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=README;h=3390adff9d4e8bca1098b7e88b7f959004a987be;hb=f6e944b37d12b833c47a89b9988d9751c010af26;hp=bbec51884700b9776f8f9491f1b6375b0a9c1e0d;hpb=83e89d6960a536ab393aaf081cf9209a32508045;p=subdirmk.git

diff --git a/README b/README
index bbec518..3390adf 100644
--- a/README
+++ b/README
@@ -183,7 +183,7 @@ In more detail, with all the various options laid out:
              for      build     source       build         source
                                                        
   This       lc       &file     &^file       $(PWD)/&file  $(abs_src)/&file
-  directory  any      &/file    &^/file      $(PWD)/&file  $(abs_src)/&/file
+  directory  any      &/file    &^/file      $(PWD)/&/file $(abs_src)/&/file
              several  & f g h   &^ f g h     $(addprefix...)
                                              
   Top        lc       file      &~file
@@ -371,6 +371,13 @@ makefiles, you may find that just `make' is broken now and cannot get
 far enough to regenerate a working set of makefiles.  If this happens
 just rerun ./config.status by hand.
 
+If you go back and forth between different versions of your code you
+can sometimes find that `make' complains that one of your Subdir.sd.mk
+files is missing: typically, if iot was used and therefore a
+dependency in some other version of your code.  If you run `make
+clean' (or `make realclean') these dependencies are suppressed, which
+will clear up the problem.
+
 
 Legal information
 -----------------