diff --git a/configure b/configure
index aa79db47a4269dd7bef64f1ea6c9925d5f0d265a..3cc7ba747a04fcb564fce8f12428d18d4823005d 100755
--- a/configure
+++ b/configure
@@ -14550,8 +14550,11 @@ done
 
 
 
-# system's version of getaddrinfo(), if any, may be used only if we found
-# a definition for struct addrinfo; see notes in src/include/getaddrinfo.h
+# System's version of getaddrinfo(), if any, may be used only if we found
+# a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
+# (Note: the AC_REPLACE_FUNCS probe fails on Windows, where the available
+# versions of getaddrinfo don't follow normal C call protocol.  This is OK
+# because we want to use our own getaddrinfo.c on Windows anyway.)
 if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
 
 for ac_func in getaddrinfo
diff --git a/configure.in b/configure.in
index 4f584039278969c08ea648b0609e5255e9f1b190..708bc92a6293ec16888a363a754e6d893ed727ea 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-dnl $PostgreSQL: pgsql/configure.in,v 1.424 2005/08/24 21:32:37 pgsql Exp $
+dnl $PostgreSQL: pgsql/configure.in,v 1.425 2005/08/25 02:28:03 tgl Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -883,8 +883,11 @@ fi
 
 AC_REPLACE_FUNCS([crypt fseeko getopt getrusage inet_aton random rint srandom strdup strerror strtol strtoul unsetenv])
 
-# system's version of getaddrinfo(), if any, may be used only if we found
-# a definition for struct addrinfo; see notes in src/include/getaddrinfo.h
+# System's version of getaddrinfo(), if any, may be used only if we found
+# a definition for struct addrinfo; see notes in src/include/getaddrinfo.h.
+# (Note: the AC_REPLACE_FUNCS probe fails on Windows, where the available
+# versions of getaddrinfo don't follow normal C call protocol.  This is OK
+# because we want to use our own getaddrinfo.c on Windows anyway.)
 if test x"$ac_cv_type_struct_addrinfo" = xyes ; then
   AC_REPLACE_FUNCS([getaddrinfo])
 else