ccan: we're subsystems, not a library.

Don't expose a libccan.so; it would produce clashes if someone else
does the same thing.  Unfortunately, if we just change it from a
SAMBA_LIBRARY to a SAMBA_SUBSYSTEM, it doesn't create a static library
as we'd like, but links all the object files in.  This means we get
many duplicates (eg. everyone gets a copy of tally, even though only
ntdb wants it).

So, the solution is twofold:
1) Make the ccan modules separate.
2) Make the ccan modules SAMBA_SUBSYSTEMs not SAMBA_LIBRARYs so we don't
   build shared libraries which we can't share.
3) Make the places which uses ccan explicit.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

Autobuild-User(master): Rusty Russell <rusty@rustcorp.com.au>
Autobuild-Date(master): Fri Jun 29 06:22:44 CEST 2012 on sn-devel-104

1 files changed, 1 insertions, 4 deletions

diff --git a/lib/ldb/wscript b/lib/ldb/wscript
index 94a9682df9..6cdddb30e9 100755
--- a/lib/ldb/wscript
+++ b/lib/ldb/wscript
@@ -16,7 +16,7 @@ sys.path.insert(0, srcdir + '/buildtools/wafsamba')
 import wafsamba, samba_dist, Options
 
 samba_dist.DIST_DIRS('''lib/ldb:. lib/replace:lib/replace lib/talloc:lib/talloc
-                        lib/tdb:lib/tdb lib/tdb2:lib/tdb2 lib/tdb:lib/tdb lib/ccan:lib/ccan lib/tevent:lib/tevent lib/popt:lib/popt
+                        lib/tdb:lib/tdb lib/tdb:lib/tdb lib/tevent:lib/tevent lib/popt:lib/popt
                         buildtools:buildtools''')
 
 
@@ -39,9 +39,6 @@ def configure(conf):
     conf.check_python_version((2,4,2))
     conf.SAMBA_CHECK_PYTHON_HEADERS(mandatory=True)
 
-    # This make #include <ccan/...> work.
-    conf.ADD_EXTRA_INCLUDES('''#lib''')
-
     # where does the default LIBDIR end up? in conf.env somewhere?
     #
     conf.CONFIG_PATH('LDB_MODULESDIR', conf.SUBST_ENV_VAR('MODULESDIR') + '/ldb')