Say that output from asynch subprocesses of a compiler may be lost.

diff --git a/man/building.texi b/man/building.texi
index e3dc047ded39ff4e603b64c866f69bb9626abeaa..8b39257c22d03683a99fd0f374a91ec3bb44b0aa 100644 (file)
--- a/man/building.texi
+++ b/man/building.texi
@@ -113,6 +113,10 @@ that is running.
 recompile}.  This automatically reuses the compilation command from the
 last invocation of @kbd{M-x compile}.
 
+  Emacs does not expect a compiler to launch asynchronous
+subprocesses; if it does, and they keep running after the main
+compiler process has terminated, their output may not arrive in Emacs.
+
 @node Grep Searching
 @section Searching with Grep under Emacs