Reorganise cleaning targets

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10012 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 24 insertions, 0 deletions

diff --git a/dev/doc/build-system.txt b/dev/doc/build-system.txt
index 87d5df707d..c79a561542 100644
--- a/dev/doc/build-system.txt
+++ b/dev/doc/build-system.txt
@@ -38,6 +38,8 @@ The handling of globals is now: the globals of FOO.v are in FOO.glob
 and the global glob.dump is created by concatenation of all .glob
 files. In particular, .glob files are now always created.
 
+See also section "cleaning targets"
+
 Dependencies
 ------------
 
@@ -49,6 +51,28 @@ of changed files are recomputed).
 If you add a dependency to a Coq camlp4 extension (grammar.cma or
 q_constr.cmo), then see sections ".ml4 files" and "new files".
 
+Cleaning Targets
+----------------
+
+Targets for cleaning various parts:
+
+ - distclean: clean everything; must leave only what should end up in
+   distribution tarball and/or is in a svn checkout.
+
+ - clean: clean everything except effect of "./configure" and documentation.
+
+ - cleanconfig: clean effect of "./configure" only
+
+ - archclean:  remove all architecture-dependent   generated files
+ - indepclean: remove all architecture-independent generated files
+   (not documentation)
+
+ - objclean: clean all generated files, but not Makefile meta-data
+   (e.g. dependencies), nor debugging/development information nor
+   other cruft (e.g. editor backup files), nor documentation
+
+ - docclean: clean documentation
+
 .ml4 files
 ----------