Explain what the `cross-target' target does.

diff --git a/src/Makefile.in b/src/Makefile.in
index 9110691080d87218cfb1930a4af09a0cdfb8ba4e..7b0ee01b253993a26f0bd0646fb8cc6e4d9d4d1a 100644 (file)
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -657,6 +657,10 @@ cref-xml: cref-sos
 # cross-compilation host, transfer everything over, and then run `make'
 # to do the rest, since the default target depends on cross-target.
 # (Rsync should help iterating this process.)
+#
+# Anything that depends on running the target code should depend on
+# cross-target, and there should be a plan for obviating the need to
+# run the target code.  Currently this is only IMAIL.
 
 .PHONY: cross-host
 cross-host: compile-compiler