t-darwin (config/darwin.h.rebuild): Harden against parallel builds.

	* config/t-darwin (config/darwin.h.rebuild): Harden against parallel builds.

cp:
	* Make-lang.in (objcp/plugin/parser.h): Harden against parallel builds.

From-SVN: r170108

gcc/ChangeLog

 2011-02-13  Mike Stump  <mikestump@comcast.net>
 
 	* config/t-darwin (build/slashify1): Harden against rebuilds.
+	(config/darwin.h.rebuild): Harden against parallel builds.
 	* config/slashify.c: Nix parms to quite the build.
 
 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

gcc/config/t-darwin

@@ -23,11 +23,11 @@ build/slashify1: $(srcdir)/config/slashify.c
 $(srcdir)/config/darwin.h: config/darwin.h.rebuild
 
 config/darwin.h.rebuild: build/slashify1
+	@$(mkinstalldirs) config
 	@if [ ! -e $(srcdir)/config/darwin.h					\
 	      -o $(srcdir)/config/darwin.h -nt config/darwin.h ]; then		\
-		{ test -d config || mkdir config; } &&				\
-		cp -p $(srcdir)/config/darwin-sections.def			\
-		      config/darwin-sections.def &&				\
+		cp $(srcdir)/config/darwin-sections.def				\
+		   config/darwin-sections.def &&				\
 		build/slashify1 < $(srcdir)/config/darwin.h  >config/darwin.h;	\
 	fi
 

gcc/cp/ChangeLog

@@ -4,6 +4,7 @@
 	* lex.c: Plugify.
 	* Make-lang.in (objcp/plugin/lex.h): Likewise.
 	(build/slashify): Harden against rebuilds.
+	(objcp/plugin/parser.h): Harden against parallel builds.
 
 	* Make-lang.in (cp/parser.o): Move c-family/c-objc.h dependancy
 	down.

gcc/cp/Make-lang.in

@@ -339,11 +339,9 @@ build/slashify: # $(srcdir)/config/slashify.c
 	$(COMPILER_FOR_BUILD) $(BUILD_COMPILERFLAGS) $(BUILD_CPPFLAGS) $(srcdir)/config/slashify.c -o $@
 
 $(objdir)/objcp/plugin/parser.h: $(srcdir)/objcp/plugin/parser.h build/slashify
-	test -d objcp || mkdir objcp
-	test -d objcp/plugin || mkdir objcp/plugin
+	$(mkinstalldirs) objcp/plugin
 	build/slashify < $< > $@
 
 $(objdir)/objcp/plugin/lex.h: $(srcdir)/objcp/plugin/lex.h build/slashify
-	test -d objcp || mkdir objcp
-	test -d objcp/plugin || mkdir objcp/plugin
+	$(mkinstalldirs) objcp/plugin
 	build/slashify < $< > $@