* Makeconfig (sysd-rules-patterns): New variable.

	* Makerules ($(common-objpfx)sysd-rules): Drive the loop from that.
	(check-inhibit-asm): New canned sequence, replaces ...
	(open-check-inhibit-asm, close-check-inhibit-asm): ... these, removed.
	* elf/rtld-Rules ($(objpfx)rtld-%.os): Use $(rtld-CPPFLAGS) in commands.
	(rtld-CPPFLAGS): Renamed from CPPFLAGS-rtld.
	(CFLAGS-rtld): Variable removed.

diff --git a/ChangeLog b/ChangeLog
index 1da64ee..e412c55 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2008-01-29  Roland McGrath  <roland@redhat.com>
+
+       * Makeconfig (sysd-rules-patterns): New variable.
+       * Makerules ($(common-objpfx)sysd-rules): Drive the loop from that.
+       (check-inhibit-asm): New canned sequence, replaces ...
+       (open-check-inhibit-asm, close-check-inhibit-asm): ... these, removed.
+       * elf/rtld-Rules ($(objpfx)rtld-%.os): Use $(rtld-CPPFLAGS) in commands.
+       (rtld-CPPFLAGS): Renamed from CPPFLAGS-rtld.
+       (CFLAGS-rtld): Variable removed.
+
 2008-01-24  Roland McGrath  <roland@redhat.com>
 
        * configure.in: Let configure fragments set base_os.

diff --git a/Makeconfig b/Makeconfig
index e768cb1..d7cf0aa 100644 (file)
--- a/Makeconfig
+++ b/Makeconfig
@@ -1,4 +1,5 @@
-# Copyright (C) 1991-2003,2004,2005,2006,2007 Free Software Foundation, Inc.
+# Copyright (C) 1991-2003,2004,2005,2006,2007,2008
+#      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
@@ -931,6 +932,12 @@ $(common-objpfx)sysd-sorted: $(..)scripts/gen-sorted.awk \
 $(all-Depend-files): ;
 endif
 
+# This gives partial TARGET:SOURCE pattern pairs to have rules
+# 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_%
+
 # Let sysdeps/ subdirs contain a Makeconfig fragment for us to include here.
 sysdep-makeconfigs := $(wildcard $(+sysdep_dirs:=/Makeconfig))
 ifneq (,$(sysdep-makeconfigs))

diff --git a/Makerules b/Makerules
index db83b24..3661ad4 100644 (file)
--- a/Makerules
+++ b/Makerules
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2006, 2007 Free Software Foundation, Inc.
+# Copyright (C) 1991-2006, 2007, 2008 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
@@ -207,10 +207,9 @@ endif
 # patterns matching sysdep directories whose assembly source files should
 # be suppressed.
 ifdef inhibit-sysdep-asm
-define open-check-inhibit-asm
-case $$sysdir in $(subst $(empty) ,|,$(inhibit-sysdep-asm))) : ;; *)
+define check-inhibit-asm
+case $$sysdir in $(subst $(empty) ,|,$(inhibit-sysdep-asm))) asm= ;; esac;
 endef
-close-check-inhibit-asm = ;; esac ;
 endif
 
 -include $(common-objpfx)sysd-rules
@@ -229,36 +228,22 @@ $(common-objpfx)sysd-rules: $(common-objpfx)config.make $(..)Makerules \
           /*) ;;                                                             \
           *) dir="\$$(..)$$dir" ;;                                           \
           esac;                                                              \
-          for o in $(all-object-suffixes); do \
-            $(open-check-inhibit-asm) \
-            echo "\$$(objpfx)%$$o: $$dir/%.S \$$(before-compile); \
-                 \$$(compile-command.S)";                                    \
-            echo "\$$(objpfx)%$$o: $$dir/%.s \$$(before-compile); \
-                 \$$(compile-command.s)";                                    \
-            echo "\$$(objpfx)rtld-%$$o: $$dir/%.S \$$(before-compile); \
-                 \$$(compile-command.S)";                                    \
-            echo "\$$(objpfx)rtld-%$$o: $$dir/%.s \$$(before-compile); \
-                 \$$(compile-command.s)";                                    \
-            echo "\$$(objpfx)ptw-%$$o: $$dir/%.S \$$(before-compile); \
-                 \$$(compile-command.S) -DPTW";                              \
-            echo "\$$(objpfx)ptw-%$$o: $$dir/%.s \$$(before-compile); \
-                 \$$(compile-command.s) -DPTW";                              \
-            echo "\$$(objpfx)m_%$$o: $$dir/s_%.S \$$(before-compile); \
-                 \$$(compile-command.S)";                                    \
-            echo "\$$(objpfx)m_%$$o: $$dir/s_%.s \$$(before-compile); \
-                 \$$(compile-command.s)";                                    \
-            $(close-check-inhibit-asm) \
-            echo "\$$(objpfx)%$$o: $$dir/%.c \$$(before-compile); \
-                 \$$(compile-command.c)";                                    \
-            echo "\$$(objpfx)rtld-%$$o: $$dir/%.c \$$(before-compile); \
-                 \$$(compile-command.c)";                                    \
-            echo "\$$(objpfx)ptw-%$$o: $$dir/%.c \$$(before-compile); \
-                 \$$(compile-command.c) -DPTW";                              \
-            echo "\$$(objpfx)m_%$$o: $$dir/s_%.c \$$(before-compile); \
-                 \$$(compile-command.c)";                                    \
-          done; \
-          echo "\$$(inst_includedir)/%.h: $$dir/%.h \$$(+force); \
-                       \$$(do-install)";                                     \
+          asm='.S .s';                                                       \
+          $(check-inhibit-asm)                                               \
+          for o in $(all-object-suffixes); do                                \
+            set $(subst :, ,$(sysd-rules-patterns));                         \
+            while [ $$# -ge 2 ]; do                                          \
+              t=$$1; shift;                                                  \
+              d=$$1; shift;                                                  \
+              v=$${t%%%}; [ x"$$v" = x ] || v="\$$($${v}CPPFLAGS)";          \
+              for s in $$asm .c; do                                          \
+                echo "\$$(objpfx)$$t$$o: $$dir/$$d$$s \$$(before-compile)";  \
+                echo " \$$(compile-command$$s) $$v";                         \
+              done;                                                          \
+            done;                                                            \
+          done;                                                              \
+          echo "\$$(inst_includedir)/%.h: $$dir/%.h \$$(+force)";            \
+          echo "       \$$(do-install)";                                     \
         done;                                                                \
         echo 'sysd-rules-done = t') > $@T
        mv -f $@T $@

diff --git a/elf/rtld-Rules b/elf/rtld-Rules
index 01fbbdf..9f31a56 100644 (file)
--- 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 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2005, 2006, 2008 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
@@ -93,9 +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: %.S $(before-compile); $(compile-command.S)
-$(objpfx)rtld-%.os: %.s $(before-compile); $(compile-command.s)
-$(objpfx)rtld-%.os: %.c $(before-compile); $(compile-command.c)
+$(objpfx)rtld-%.os: %.S $(before-compile)
+       $(compile-command.S) $(rtld-CPPFLAGS)
+$(objpfx)rtld-%.os: %.s $(before-compile)
+       $(compile-command.s) $(rtld-CPPFLAGS)
+$(objpfx)rtld-%.os: %.c $(before-compile)
+       $(compile-command.c) $(rtld-CPPFLAGS)
 
 # The rules for generated source files.
 $(objpfx)rtld-%.os: $(objpfx)%.S $(before-compile); $(compile-command.S)
@@ -118,16 +121,7 @@ ifdef rtld-depfiles
 -include $(rtld-depfiles)
 endif
 
-# Just in case we wind up e.g. regenerating dependencies for non-rtld objects,
-# we don't unconditionally modify the flags.  For rtld-% targets, use the
-# special flags set below.
-CFLAGS   += $(if $(filter rtld-%,$(@F)),$(CFLAGS-rtld))
-CPPFLAGS += $(if $(filter rtld-%,$(@F)),$(CPPFLAGS-rtld))
-
-
 # This here is the whole point of all the shenanigans.
-CPPFLAGS-rtld := -DNOT_IN_libc=1 -DIS_IN_rtld=1
-CFLAGS-rtld := # blah
-
+rtld-CPPFLAGS := -DNOT_IN_libc=1 -DIS_IN_rtld=1
 
 endif

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index b1f8948..09c7d07 100644 (file)
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,7 @@
+2008-01-29  Roland McGrath  <roland@redhat.com>
+
+       * Makeconfig (ptw-CPPFLAGS, sysd-rules-patterns): New variables.
+
 2008-01-22  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
 
        * sysdeps/unix/sysv/linux/sh/sem_post.S: Don't overflow value field.
@@ -15,7 +19,7 @@
        * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S
        (pthread_rwlock_timedrdlock): Return correct return value.
        * sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S
-       (pthread_rwlock_timedwrlock): Likewise.  
+       (pthread_rwlock_timedwrlock): Likewise.
 
 2008-01-15  Ulrich Drepper  <drepper@redhat.com>
 

diff --git a/nptl/Makeconfig b/nptl/Makeconfig
index 54e2f65..c6a8e46 100644 (file)
--- a/nptl/Makeconfig
+++ b/nptl/Makeconfig
@@ -1,4 +1,4 @@
-# Copyright (C) 2002,2003,2005,2006 Free Software Foundation, Inc.
+# Copyright (C) 2002,2003,2005,2006,2008 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 # Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -28,3 +28,7 @@ static-thread-library = $(common-objpfx)nptl/libpthread.a
 bounded-thread-library = $(common-objpfx)nptl/libpthread_b.a
 
 rpath-dirs += nptl
+
+# This makes for ptw-*.? object rules in sysd-rules.
+ptw-CPPFLAGS := -DPTW
+sysd-rules-patterns += ptw-%:%