configure.in: fix for BSD make

* configure.in (POSTLINK): default to : command to get rid of flag
  only command, since BSD make does not work with it.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35589 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Tue May  8 13:36:02 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* configure.in (POSTLINK): default to : command to get rid of flag
+	  only command, since BSD make does not work with it.
+
 Tue May  8 13:35:10 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* lib/test/unit.rb (MiniTest#run_test): remove exact trace and get rid

configure.in

@@ -1003,6 +1003,8 @@ AC_ARG_ENABLE(pthread,
 dnl Checks for libraries.
 AS_CASE(["$target_os"],[*bsd*|dragonfly*],[],[ac_cv_func_daemon=no])
 
+POSTLINK=:
+AC_SUBST(POSTLINK)
 AS_CASE(["$target_os"],
 [nextstep*], [	],
 [openstep*], [	],
@@ -1062,7 +1064,6 @@ main()
 		if test "${RUBY_CODESIGN:+set}"; then
 		    AC_CHECK_PROGS(codesign, codesign)
 		    POSTLINK="$ac_cv_prog_codesign -s '$RUBY_CODESIGN' -f \$@"
-		    AC_SUBST(POSTLINK)
 		fi
 		],
 [hpux*], [	LIBS="-lm $LIBS"