--- ./libgo/configure.ac	(revision 256986)
+++ ./libgo/configure.ac	(working copy)
@@ -43,7 +43,14 @@ AM_MAINTAINER_MODE
 
 AC_PROG_LD
 AC_PROG_RANLIB
-AC_CHECK_TOOL(OBJCOPY, objcopy, missing-objcopy)
+case ${target} in
+  *-*-aix*)
+    AC_CHECK_TOOL(OBJCOPY, copycsect, missing-objcopy)
+    ;;
+  *)
+    AC_CHECK_TOOL(OBJCOPY, objcopy, missing-objcopy)
+    ;;
+esac
 
 AC_LIBTOOL_DLOPEN
 AM_PROG_LIBTOOL