more docs

diff --git a/TODO b/TODO
index 1b44ef4..4b1e546 100644 (file)
--- a/TODO
+++ b/TODO
@@ -69,7 +69,8 @@ DEFS           cpp definitions
 INCLUDES       -I options to cpp
 CPPFLAGS       more cpp flags
 CFLAGS         flags to cc
-SOURCES        any sources (do not use?)
+SOURCES        any sources (do not use)
+HEADERS        header files in this directory
 CONFIG_HEADER  path to config.h
 SUBDIRS        subdirectories to build in.  means this is a "top level"
                directory.
@@ -88,6 +89,9 @@ HEADERS        All .h files in program
 AM_PROGRAMS    like PROGRAMS.  If it exists, it is used by automake to
                determine which programs to generate Makefile parts for.
                Use this if PROGRAMS is computed at configure time
+ETAGS_ARGS     Extra arguments for etags.  If this exists then tags are
+               made.  Tags will also be made if either SOURCES or HEADERS
+               is not empty
 
 If your Makefile.am includes "@kr@", then ansi->kr conversion is
 assumed.