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-rw-r--r--src/OS/Makefile-Default10
1 files changed, 8 insertions, 2 deletions
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