* configure.in: link addr2line only for ELF.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29948 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sat Nov 27 15:43:27 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* configure.in: link addr2line only for ELF.
+
 Sat Nov 27 13:58:55 2010  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* lib/optparse.rb (OptionParser#candidate): : was missing.  Thanks,

addr2line.c

@@ -543,4 +543,6 @@ rb_dump_backtrace_with_lines(int num_traces, void **trace, char **syms)
     free(lines);
 }
 
-#endif /* defined(__ELF__) */
+#else /* defined(__ELF__) */
+#error not supported
+#endif

common.mk

@@ -91,7 +91,6 @@ COMMONOBJS    = array.$(OBJEXT) \
 		vm_dump.$(OBJEXT) \
 		thread.$(OBJEXT) \
 		cont.$(OBJEXT) \
-		addr2line.$(OBJEXT) \
 		$(BUILTIN_ENCOBJS) \
 		$(BUILTIN_TRANSOBJS) \
 		$(MISSING)

configure.in

@@ -1844,6 +1844,7 @@ if test "$rb_cv_binary_elf" = yes; then
   if test "$with_dln_a_out" = yes; then
     AC_MSG_ERROR(dln_a_out does not work with ELF)
   fi
+  AC_LIBOBJ([addr2line])
 fi
 
 AS_CASE(["$target_os"],