fix build

svn path=/trunk/theora/; revision=13593

Makefile.am

@@ -2,14 +2,15 @@
 
 AUTOMAKE_OPTIONS = foreign 1.6 dist-zip dist-bzip2
 
-THEORA_ENABLE_EXAMPLES=@THEORA_ENABLE_EXAMPLES@
-
-SUBDIRS = lib include doc tests m4
-
 if THEORA_ENABLE_EXAMPLES
-SUBDIRS += examples
+EXAMPLES_DIR = examples
+else
+EXAMPLES_DIR =
 endif
 
+SUBDIRS = lib include doc tests m4 $(EXAMPLES_DIR)
+
+
 # we include the whole debian/ dir in EXTRA_DIST because there's a problem
 # with autotools and HFS+ MacOSX file systems that caused debian/Makefile.am
 # to pick up on the lowercase changelog file and add ChangeLog to DIST_COMMON