$NetBSD: patch-ac,v 1.8 2011/01/25 22:22:15 shattered Exp $

--- configure.orig	2006-04-20 17:17:03.000000000 +0900
+++ configure
@@ -3294,8 +3294,33 @@ echo "${ECHO_T}$scsh_cv_elf" >&6
 
   ;;
 
-  ## NetBSD and FreeBSD ( and maybe 386BSD also)
-  *-*-*bsd*|*-*-darwin* )
+  ## NetBSD, FreeBSD and DragonFly ( and maybe 386BSD also)
+  *-*-*bsd*|*-*-dragonfly* )
+  LDFLAGS="-Wl,--export-dynamic"
+  dir=bsd
+
+  echo "$as_me:$LINENO: checking for ELF" >&5
+echo $ECHO_N "checking for ELF... $ECHO_C" >&6
+  if test "${scsh_cv_elf+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+    touch conftest.c
+    if ${CC} -v -o a.out conftest.c 2>&1 | grep -q __ELF__ ; then
+      scsh_cv_elf=yes
+    else
+      scsh_cv_elf=no
+    fi
+fi
+
+  echo "$as_me:$LINENO: result: $scsh_cv_elf" >&5
+echo "${ECHO_T}$scsh_cv_elf" >&6
+  rm -f conftest.c a.out
+
+  ;;
+
+  ## Mac OS X and Darwin
+  *-*-darwin* )
   dir=bsd
 
   echo "$as_me:$LINENO: checking for ELF" >&5