Forwardports r32772 and r32773 from branches/ruby_1_9_3 to trunk.

* common.mk (ECHO1): ":" in a make variable replacement cause a syntax
  error with /usr/ccs/bin/make on Solaris.  Uses $(NULLCMD) instead.

* configure.in (NULLCMD): new check.

* Makefile.in (NULLCMD): Reflects checking in configure.

* win32/Makefile.sub (NULLCMD): new assignment.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32774 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/common.mk b/common.mk
index 573b64a662..489bf6d23a 100644
--- a/common.mk
+++ b/common.mk
@@ -8,7 +8,7 @@ dll: $(LIBRUBY_SO)
 V = 0
 Q1 = $(V:1=)
 Q = $(Q1:0=@)
-ECHO1 = $(V:1=@:)
+ECHO1 = $(V:1=@$(NULLCMD))
 ECHO = $(ECHO1:0=@echo)
 
 RUBYLIB       = -