Generate tags for Vi, for Emacs and with Global
diff --git a/Makefile b/Makefile
index f4c0a00..1ae6bd9 100644
--- a/Makefile
+++ b/Makefile
@@ -120,3 +120,12 @@
apidoc_clean:
rm -rf apidoc
endif
+
+## Editor navigation files
+C_SOURCE_FILES = $(wildcard include/*/*.h library/*.[hc] programs/*/*.[hc] tests/suites/*.function)
+tags: $(C_SOURCE_FILES)
+ ctags -o $@ $(C_SOURCE_FILES)
+TAGS: $(C_SOURCE_FILES)
+ etags -o $@ $(C_SOURCE_FILES)
+GPATH GRTAGS GSYMS GTAGS: $(C_SOURCE_FILES)
+ ls $(C_SOURCE_FILES) | gtags -f - --gtagsconf .globalrc