Work around shortest-stem feature in make 3.82+

(cherry picked from commit bc96fbda275c305ddc1b0b6d94fc68d81369221a)

3 files changed, 22 insertions, 6 deletions

diff --git a/ChangeLog b/ChangeLog
index d1910d8..a69022e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-09-09  Andreas Schwab  <schwab@redhat.com>
+
+	* Makeconfig (sysd-rules-patterns): Add rtld-%:rtld-%.
+	(sysd-rules-targets): Remove duplicates.
+	* elf/rtld-Rules ($(objpfx)rtld-%.os): Add pattern rules with
+	rtld-%.$o dependency.
+
 2010-10-18  Andreas Schwab  <schwab@redhat.com>
 
 	* elf/dl-open.c (dl_open_worker): Don't expand DST here, let
diff --git a/Makeconfig b/Makeconfig
index c5a58f2..e5cbf64 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -695,7 +695,7 @@ CPPFLAGS = $($(subdir)-CPPFLAGS) $(+includes) $(defines) \
 	   -include $(..)include/libc-symbols.h $(sysdep-CPPFLAGS) \
 	   $(CPPFLAGS-$(suffix $@)) \
 	   $(foreach lib,$(libof-$(basename $(@F))) \
-		         $(libof-$(<F)) $(libof-$(@F)),$(CPPFLAGS-$(lib))) \
+			 $(libof-$(<F)) $(libof-$(@F)),$(CPPFLAGS-$(lib))) \
 	   $(CPPFLAGS-$(<F)) $(CPPFLAGS-$(@F)) $(CPPFLAGS-$(basename $(@F)))
 override CFLAGS	= -std=gnu99 $(gnu89-inline-CFLAGS) \
 		  $(filter-out %frame-pointer,$(+cflags)) $(+gccwarn-c) \
@@ -966,7 +966,7 @@ endif
 # emitted into sysd-rules.  A sysdeps Makeconfig fragment can
 # add its own special object file prefix to this list with e.g. foo-%:%
 # to have foo-*.? compiled from *.? using $(foo-CPPFLAGS).
-sysd-rules-patterns := %:% rtld-%:% m_%:s_%
+sysd-rules-patterns := %:% rtld-%:rtld-% rtld-%:% m_%:s_%
 
 # Let sysdeps/ subdirs contain a Makeconfig fragment for us to include here.
 sysdep-makeconfigs := $(wildcard $(+sysdep_dirs:=/Makeconfig))
@@ -975,8 +975,8 @@ include $(sysdep-makeconfigs)
 endif
 
 # Compute just the target patterns.  Makeconfig has set sysd-rules-patterns.
-sysd-rules-targets := $(foreach p,$(sysd-rules-patterns),\
-		      		$(firstword $(subst :, ,$p)))
+sysd-rules-targets := $(sort $(foreach p,$(sysd-rules-patterns),\
+					 $(firstword $(subst :, ,$p))))
 
 endif # Makeconfig not yet included
 
diff --git a/elf/rtld-Rules b/elf/rtld-Rules
index 9f31a56..10c9452 100644
--- a/elf/rtld-Rules
+++ b/elf/rtld-Rules
@@ -1,6 +1,6 @@
 # Subroutine makefile for compiling libc modules linked into dynamic linker.
 
-# Copyright (C) 2002, 2003, 2005, 2006, 2008 Free Software Foundation, Inc.
+# Copyright (C) 2002,2003,2005,2006,2008,2010 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -56,7 +56,7 @@ $(objpfx)rtld-libc.a: $(foreach dir,$(rtld-subdirs),\
 # Use the verbose option of ar and tar when not running silently.
 ifeq	"$(findstring s,$(MAKEFLAGS))" ""	# if not -s
 verbose := v
-else	   					# -s
+else						# -s
 verbose	:=
 endif						# not -s
 
@@ -93,6 +93,12 @@ else
 # These are the basic compilation rules corresponding to the Makerules ones.
 # The sysd-rules generated makefile already defines pattern rules for rtld-%
 # targets built from sysdeps source files.
+$(objpfx)rtld-%.os: rtld-%.S $(before-compile)
+	$(compile-command.S) $(rtld-CPPFLAGS)
+$(objpfx)rtld-%.os: rtld-%.s $(before-compile)
+	$(compile-command.s) $(rtld-CPPFLAGS)
+$(objpfx)rtld-%.os: rtld-%.c $(before-compile)
+	$(compile-command.c) $(rtld-CPPFLAGS)
 $(objpfx)rtld-%.os: %.S $(before-compile)
 	$(compile-command.S) $(rtld-CPPFLAGS)
 $(objpfx)rtld-%.os: %.s $(before-compile)
@@ -101,6 +107,9 @@ $(objpfx)rtld-%.os: %.c $(before-compile)
 	$(compile-command.c) $(rtld-CPPFLAGS)
 
 # The rules for generated source files.
+$(objpfx)rtld-%.os: $(objpfx)rtld-%.S $(before-compile); $(compile-command.S)
+$(objpfx)rtld-%.os: $(objpfx)rtld-%.s $(before-compile); $(compile-command.s)
+$(objpfx)rtld-%.os: $(objpfx)rtld-%.c $(before-compile); $(compile-command.c)
 $(objpfx)rtld-%.os: $(objpfx)%.S $(before-compile); $(compile-command.S)
 $(objpfx)rtld-%.os: $(objpfx)%.s $(before-compile); $(compile-command.s)
 $(objpfx)rtld-%.os: $(objpfx)%.c $(before-compile); $(compile-command.c)