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-rw-r--r--doc/automake.texi6
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/automake.texi b/doc/automake.texi
index 47a8e3a32..b4dad5c08 100644
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -9911,7 +9911,11 @@ Beware not to mistake @code{CONFIGURE_DEPENDENCIES} for
variable should be seldom used, because @command{automake} already tracks
@code{m4_include}d files. However it can be useful when playing
tricky games with @code{m4_esyscmd} or similar non-recommendable
-macros with side effects.
+macros with side effects. Be also aware that interactions of this
+variable with the @ref{Autom4te Cache, , autom4te cache, autoconf,
+The Autoconf Manual} are quite problematic and can cause subtle
+breakage, so you might want to disable the cache if you want to use
+@code{CONFIGURE_DEPENDENCIES}.
@code{CONFIG_STATUS_DEPENDENCIES} adds dependencies to the
@file{config.status} rule, whose effect is to run @file{configure}.