diff --git a/configure.in b/configure.in
index c8c156b0..ff38806d 100644
--- a/configure.in
+++ b/configure.in
@@ -32,14 +32,14 @@ AC_CHECK_LIB(c_r,pthread_creat,LIBS="${LIBS} -lc_r", [
 
 AC_ARG_ENABLE(sqlite,[  --enable-sqlite         Enable the sqlite db backend],
 			[ case "${enableval}" in
-			yes) db_sqlite=true;;
+			yes) db_sqlite=true; have_sql=true;;
 			no) db_sqlite=false;;
 			*) AC_MSG_ERROR(bad value ${enableval} for --enable-sqlite);;
 			esac ])
 
 AC_ARG_ENABLE(sqlite3,[  --enable-sqlite3        Enable sqlite3 db backend],
 			[ case "${enableval}" in
-			yes) db_sqlite3=true;;
+			yes) db_sqlite3=true; have_sql=true;;
 			no) db_sqlite3=false;;
 			*) AC_MSG_ERROR(bad value ${enableval} for --enable-sqlite3);;
 			esac ])
@@ -88,6 +88,10 @@ AM_CONDITIONAL(COND_SQLITE3,test x$db_sqlite3 = xtrue)
 AM_CONDITIONAL(COND_NEED_STRCASESTR,false)
 AM_CONDITIONAL(COND_NEED_STRSEP,false)
 
+if test x$have_sql = xtrue; then
+   CPPFLAGS="${CPPFLAGS} -DHAVE_SQL"
+fi
+
 if test x$db_sqlite = xtrue -o x$db_sqlite3 = xtrue; then
    AM_CONDITIONAL(COND_SQL,true)
 fi