X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2FOS%2FMakefile-Default;h=41a4dbbdf49f31688fb613713c00cf49fa522521;hp=a0d9afa956dc05cae74cd0751fdf0e40a68a4650;hb=302e7912253bd1f1a88f04d9a8a71d8a3c9b93fc;hpb=cc00f4af38ebcc8255460398f573ba6e6ec842e3

diff --git a/src/OS/Makefile-Default b/src/OS/Makefile-Default
index a0d9afa95..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
 
@@ -286,7 +292,7 @@ LOCAL_SCAN_SOURCE=src/local_scan.c
 
 #############################################################################
 # The following definitions are relevant only when compiling the Exim monitor
-# program, which requires an X11 display. See the varible EXIM_MONITOR in
+# program, which requires an X11 display. See the variable EXIM_MONITOR in
 # src/EDITME for how to suppress this compilation.
 
 # X11 contains the location of the X11 libraries and include files.