X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2FOS%2FMakefile-Default;h=41a4dbbdf49f31688fb613713c00cf49fa522521;hb=3c58c988e9679e5cd1f0a767dafd1f0eb8b437b8;hp=b3990fe84c09665361a00461b5ae88046e10c5a8;hpb=4c04137d73637107669e02b21f890387aaa2ef34;p=exim.git

diff --git a/src/OS/Makefile-Default b/src/OS/Makefile-Default
index b3990fe84..41a4dbbdf 100644
--- a/src/OS/Makefile-Default
+++ b/src/OS/Makefile-Default
@@ -232,6 +232,11 @@ RANLIB=ranlib
 EXIM_CHMOD=@true
 
 
+# If you want to use local_scan() at all, the support code must be included
+# by uncommenting this line.
+
+# HAVE_LOCAL_SCAN=yes
+
 # LOCAL_SCAN_SOURCE defines the file in which the function local_scan() is
 # defined. This provides the administrator with a hook for including C code
 # for scanning incoming mails. The path that is defined must be relative to
@@ -239,8 +244,9 @@ EXIM_CHMOD=@true
 
 # LOCAL_SCAN_SOURCE=Local/local_scan.c
 
-# The default setting points to a template function that doesn't actually do
-# any scanning, but just accepts the message.
+# A very simple example points to a template function that doesn't actually do
+# any scanning, but just accepts the message.  A compilable file must be
+# included in the build even if HAVE_LOCAL_SCAN is not defined.
 
 LOCAL_SCAN_SOURCE=src/local_scan.c