diff --git a/ChangeLog b/ChangeLog
index 49a79d5047..2eba2b8269 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Dec 17 15:35:39 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
+
+	* configure.in (OBJDUMP, OBJCOPY): 
+	  *BSD's ports and MacPorts prefix GNU binutils with 'g'.
+
 Wed Dec 17 11:39:39 2008  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
 
 	* test/bigdecimal/test_bigdecimal.rb (TestBigDecimal#test_hash):
diff --git a/configure.in b/configure.in
index 1cc1deb487..37a069455a 100644
--- a/configure.in
+++ b/configure.in
@@ -217,8 +217,9 @@ AC_CHECK_TOOL(AS, as)
 ASFLAGS=$ASFLAGS
 AC_SUBST(ASFLAGS)
 
-AC_CHECK_TOOL(OBJDUMP, objdump)
-AC_CHECK_TOOL(OBJCOPY, objcopy)
+# BSD's ports and MacPorts prefix GNU binutils with 'g'
+AC_CHECK_TOOLS(OBJDUMP, [objdump, gobjdump])
+AC_CHECK_TOOLS(OBJCOPY, [objcopy, gobjcopy])
 
 case "$target_os" in
 cygwin*|mingw*)