Remove obsolete ARC system

ARC architecture specific files has been added ages ago in newlib/libc/sys,
but with invention of libgloss those files should be moved from newlib to
libgloss.

newlib/ChangeLog:
2015-11-12  Anton Kolesov  <Anton.Kolesov@synopsys.com>

	* configure.host: Remove ARC system.
	* libc/sys/configure: Likewise.
	* libc/sys/configure.in: Likewise.
	* libc/sys/arc/Makefile.am: Likewise.
	* libc/sys/arc/Makefile.in: Likewise.
	* libc/sys/arc/aclocal.m4: Likewise.
	* libc/sys/arc/configure: Likewise.
	* libc/sys/arc/configure.in: Likewise.
	* libc/sys/arc/crt0.S: Likewise.
	* libc/sys/arc/dummy.S: Likewise.
	* libc/sys/arc/isatty.c: Likewise.
	* libc/sys/arc/mem-layout.c: Likewise.
	* libc/sys/arc/sbrk.c: Likewise.
	* libc/sys/arc/sys/syscall.h: Likewise.
	* libc/sys/arc/syscalls.c: Likewise.

newlib/ChangeLog

@@ -1,3 +1,21 @@
+2015-11-12  Anton Kolesov  <Anton.Kolesov@synopsys.com>
+
+	* configure.host: Remove ARC system.
+	* libc/sys/configure: Likewise.
+	* libc/sys/configure.in: Likewise.
+	* libc/sys/arc/Makefile.am: Likewise.
+	* libc/sys/arc/Makefile.in: Likewise.
+	* libc/sys/arc/aclocal.m4: Likewise.
+	* libc/sys/arc/configure: Likewise.
+	* libc/sys/arc/configure.in: Likewise.
+	* libc/sys/arc/crt0.S: Likewise.
+	* libc/sys/arc/dummy.S: Likewise.
+	* libc/sys/arc/isatty.c: Likewise.
+	* libc/sys/arc/mem-layout.c: Likewise.
+	* libc/sys/arc/sbrk.c: Likewise.
+	* libc/sys/arc/sys/syscall.h: Likewise.
+	* libc/sys/arc/syscalls.c: Likewise.
+
 2015-11-12  Marcus Shawcroft  <marcus.shawcroft@arm.com>
 
 	* testsuite/lib/flags.exp (libgloss_link_flags): Drop multilibtop

newlib/configure.host

@@ -398,9 +398,6 @@ case "${host}" in
 	sys_dir=a29khif
 	signal_dir=
 	;;
-  arc-*-*)
-	sys_dir=arc
-	;;
   arm*-*-*)
 	sys_dir=arm
 	if [ "x${newlib_may_supply_syscalls}" = "xno" ] ; then

newlib/libc/sys/arc/Makefile.am

@@ -1,19 +0,0 @@
-## Process this file with automake to generate Makefile.in
-
-AUTOMAKE_OPTIONS = cygnus
-
-INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
-
-AM_CCASFLAGS = $(INCLUDES)
-
-noinst_LIBRARIES = lib.a
-
-lib_a_SOURCES = isatty.c mem-layout.c sbrk.c syscalls.c
-EXTRA_lib_a_SOURCES = dummy.S
-lib_a_CCASFLAGS = $(AM_CCASFLAGS)
-lib_a_CFLAGS = $(AM_CFLAGS)
-
-all-local: crt0.o
-
-ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
-CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

newlib/libc/sys/arc/Makefile.in

@@ -1,474 +0,0 @@
-# Makefile.in generated by automake 1.11.6 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
-# Foundation, Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-VPATH = @srcdir@
-am__make_dryrun = \
-  { \
-    am__dry=no; \
-    case $$MAKEFLAGS in \
-      *\\[\ \	]*) \
-        echo 'am--echo: ; @echo "AM"  OK' | $(MAKE) -f - 2>/dev/null \
-          | grep '^AM OK$$' >/dev/null || am__dry=yes;; \
-      *) \
-        for am__flg in $$MAKEFLAGS; do \
-          case $$am__flg in \
-            *=*|--*) ;; \
-            *n*) am__dry=yes; break;; \
-          esac; \
-        done;; \
-    esac; \
-    test $$am__dry = yes; \
-  }
-pkgdatadir = $(datadir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
-INSTALL_HEADER = $(INSTALL_DATA)
-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-build_triplet = @build@
-host_triplet = @host@
-subdir = .
-DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/Makefile.am \
-	$(top_srcdir)/configure $(am__configure_deps) \
-	$(srcdir)/../../../../mkinstalldirs
-ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/../../../acinclude.m4 \
-	$(top_srcdir)/configure.in
-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
-	$(ACLOCAL_M4)
-am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
- configure.lineno config.status.lineno
-mkinstalldirs = $(SHELL) $(top_srcdir)/../../../../mkinstalldirs
-CONFIG_CLEAN_FILES =
-CONFIG_CLEAN_VPATH_FILES =
-LIBRARIES = $(noinst_LIBRARIES)
-ARFLAGS = cru
-lib_a_AR = $(AR) $(ARFLAGS)
-lib_a_LIBADD =
-am_lib_a_OBJECTS = lib_a-isatty.$(OBJEXT) lib_a-mem-layout.$(OBJEXT) \
-	lib_a-sbrk.$(OBJEXT) lib_a-syscalls.$(OBJEXT)
-lib_a_OBJECTS = $(am_lib_a_OBJECTS)
-DEFAULT_INCLUDES = -I.@am__isrc@
-depcomp =
-am__depfiles_maybe =
-CPPASCOMPILE = $(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
-	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CCASFLAGS) $(CCASFLAGS)
-COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
-	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-CCLD = $(CC)
-LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
-SOURCES = $(lib_a_SOURCES) $(EXTRA_lib_a_SOURCES)
-am__can_run_installinfo = \
-  case $$AM_UPDATE_INFO_DIR in \
-    n|no|NO) false;; \
-    *) (install-info --version) >/dev/null 2>&1;; \
-  esac
-ETAGS = etags
-CTAGS = ctags
-ACLOCAL = @ACLOCAL@
-AMTAR = @AMTAR@
-AR = @AR@
-AS = @AS@
-AUTOCONF = @AUTOCONF@
-AUTOHEADER = @AUTOHEADER@
-AUTOMAKE = @AUTOMAKE@
-AWK = @AWK@
-CC = @CC@
-CCAS = @CCAS@
-CCASFLAGS = @CCASFLAGS@
-CCDEPMODE = @CCDEPMODE@
-CYGPATH_W = @CYGPATH_W@
-DEFS = @DEFS@
-DEPDIR = @DEPDIR@
-ECHO_C = @ECHO_C@
-ECHO_N = @ECHO_N@
-ECHO_T = @ECHO_T@
-INSTALL = @INSTALL@
-INSTALL_DATA = @INSTALL_DATA@
-INSTALL_PROGRAM = @INSTALL_PROGRAM@
-INSTALL_SCRIPT = @INSTALL_SCRIPT@
-INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
-LDFLAGS = @LDFLAGS@
-LIBOBJS = @LIBOBJS@
-LIBS = @LIBS@
-LTLIBOBJS = @LTLIBOBJS@
-MAINT = @MAINT@
-MAKEINFO = @MAKEINFO@
-MKDIR_P = @MKDIR_P@
-NEWLIB_CFLAGS = @NEWLIB_CFLAGS@
-NO_INCLUDE_LIST = @NO_INCLUDE_LIST@
-OBJEXT = @OBJEXT@
-PACKAGE = @PACKAGE@
-PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
-PACKAGE_NAME = @PACKAGE_NAME@
-PACKAGE_STRING = @PACKAGE_STRING@
-PACKAGE_TARNAME = @PACKAGE_TARNAME@
-PACKAGE_URL = @PACKAGE_URL@
-PACKAGE_VERSION = @PACKAGE_VERSION@
-PATH_SEPARATOR = @PATH_SEPARATOR@
-RANLIB = @RANLIB@
-READELF = @READELF@
-SET_MAKE = @SET_MAKE@
-SHELL = @SHELL@
-STRIP = @STRIP@
-VERSION = @VERSION@
-abs_builddir = @abs_builddir@
-abs_srcdir = @abs_srcdir@
-abs_top_builddir = @abs_top_builddir@
-abs_top_srcdir = @abs_top_srcdir@
-aext = @aext@
-am__include = @am__include@
-am__leading_dot = @am__leading_dot@
-am__quote = @am__quote@
-am__tar = @am__tar@
-am__untar = @am__untar@
-bindir = @bindir@
-build = @build@
-build_alias = @build_alias@
-build_cpu = @build_cpu@
-build_os = @build_os@
-build_vendor = @build_vendor@
-builddir = @builddir@
-datadir = @datadir@
-datarootdir = @datarootdir@
-docdir = @docdir@
-dvidir = @dvidir@
-exec_prefix = @exec_prefix@
-host = @host@
-host_alias = @host_alias@
-host_cpu = @host_cpu@
-host_os = @host_os@
-host_vendor = @host_vendor@
-htmldir = @htmldir@
-includedir = @includedir@
-infodir = @infodir@
-install_sh = @install_sh@
-libdir = @libdir@
-libexecdir = @libexecdir@
-libm_machine_dir = @libm_machine_dir@
-localedir = @localedir@
-localstatedir = @localstatedir@
-lpfx = @lpfx@
-machine_dir = @machine_dir@
-mandir = @mandir@
-mkdir_p = @mkdir_p@
-newlib_basedir = @newlib_basedir@
-oext = @oext@
-oldincludedir = @oldincludedir@
-pdfdir = @pdfdir@
-prefix = @prefix@
-program_transform_name = @program_transform_name@
-psdir = @psdir@
-sbindir = @sbindir@
-sharedstatedir = @sharedstatedir@
-srcdir = @srcdir@
-sys_dir = @sys_dir@
-sysconfdir = @sysconfdir@
-target_alias = @target_alias@
-top_build_prefix = @top_build_prefix@
-top_builddir = @top_builddir@
-top_srcdir = @top_srcdir@
-AUTOMAKE_OPTIONS = cygnus
-INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
-AM_CCASFLAGS = $(INCLUDES)
-noinst_LIBRARIES = lib.a
-lib_a_SOURCES = isatty.c mem-layout.c sbrk.c syscalls.c
-EXTRA_lib_a_SOURCES = dummy.S
-lib_a_CCASFLAGS = $(AM_CCASFLAGS)
-lib_a_CFLAGS = $(AM_CFLAGS)
-ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
-CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
-all: all-am
-
-.SUFFIXES:
-.SUFFIXES: .S .c .o .obj
-am--refresh: Makefile
-	@:
-$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
-	@for dep in $?; do \
-	  case '$(am__configure_deps)' in \
-	    *$$dep*) \
-	      echo ' cd $(srcdir) && $(AUTOMAKE) --cygnus'; \
-	      $(am__cd) $(srcdir) && $(AUTOMAKE) --cygnus \
-		&& exit 0; \
-	      exit 1;; \
-	  esac; \
-	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --cygnus Makefile'; \
-	$(am__cd) $(top_srcdir) && \
-	  $(AUTOMAKE) --cygnus Makefile
-.PRECIOUS: Makefile
-Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
-	@case '$?' in \
-	  *config.status*) \
-	    echo ' $(SHELL) ./config.status'; \
-	    $(SHELL) ./config.status;; \
-	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
-	esac;
-
-$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
-	$(SHELL) ./config.status --recheck
-
-$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
-	$(am__cd) $(srcdir) && $(AUTOCONF)
-$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
-	$(am__cd) $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
-$(am__aclocal_m4_deps):
-
-clean-noinstLIBRARIES:
-	-test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
-lib.a: $(lib_a_OBJECTS) $(lib_a_DEPENDENCIES) $(EXTRA_lib_a_DEPENDENCIES) 
-	-rm -f lib.a
-	$(lib_a_AR) lib.a $(lib_a_OBJECTS) $(lib_a_LIBADD)
-	$(RANLIB) lib.a
-
-mostlyclean-compile:
-	-rm -f *.$(OBJEXT)
-
-distclean-compile:
-	-rm -f *.tab.c
-
-.S.o:
-	$(CPPASCOMPILE) -c -o $@ $<
-
-.S.obj:
-	$(CPPASCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
-
-lib_a-dummy.o: dummy.S
-	$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CCASFLAGS) $(CCASFLAGS) -c -o lib_a-dummy.o `test -f 'dummy.S' || echo '$(srcdir)/'`dummy.S
-
-lib_a-dummy.obj: dummy.S
-	$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CCASFLAGS) $(CCASFLAGS) -c -o lib_a-dummy.obj `if test -f 'dummy.S'; then $(CYGPATH_W) 'dummy.S'; else $(CYGPATH_W) '$(srcdir)/dummy.S'; fi`
-
-.c.o:
-	$(COMPILE) -c $<
-
-.c.obj:
-	$(COMPILE) -c `$(CYGPATH_W) '$<'`
-
-lib_a-isatty.o: isatty.c
-	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-isatty.o `test -f 'isatty.c' || echo '$(srcdir)/'`isatty.c
-
-lib_a-isatty.obj: isatty.c
-	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-isatty.obj `if test -f 'isatty.c'; then $(CYGPATH_W) 'isatty.c'; else $(CYGPATH_W) '$(srcdir)/isatty.c'; fi`
-
-lib_a-mem-layout.o: mem-layout.c
-	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-mem-layout.o `test -f 'mem-layout.c' || echo '$(srcdir)/'`mem-layout.c
-
-lib_a-mem-layout.obj: mem-layout.c
-	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-mem-layout.obj `if test -f 'mem-layout.c'; then $(CYGPATH_W) 'mem-layout.c'; else $(CYGPATH_W) '$(srcdir)/mem-layout.c'; fi`
-
-lib_a-sbrk.o: sbrk.c
-	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sbrk.o `test -f 'sbrk.c' || echo '$(srcdir)/'`sbrk.c
-
-lib_a-sbrk.obj: sbrk.c
-	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sbrk.obj `if test -f 'sbrk.c'; then $(CYGPATH_W) 'sbrk.c'; else $(CYGPATH_W) '$(srcdir)/sbrk.c'; fi`
-
-lib_a-syscalls.o: syscalls.c
-	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-syscalls.o `test -f 'syscalls.c' || echo '$(srcdir)/'`syscalls.c
-
-lib_a-syscalls.obj: syscalls.c
-	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-syscalls.obj `if test -f 'syscalls.c'; then $(CYGPATH_W) 'syscalls.c'; else $(CYGPATH_W) '$(srcdir)/syscalls.c'; fi`
-
-ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
-	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	mkid -fID $$unique
-tags: TAGS
-
-TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
-		$(TAGS_FILES) $(LISP)
-	set x; \
-	here=`pwd`; \
-	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	shift; \
-	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
-	  test -n "$$unique" || unique=$$empty_fix; \
-	  if test $$# -gt 0; then \
-	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
-	      "$$@" $$unique; \
-	  else \
-	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
-	      $$unique; \
-	  fi; \
-	fi
-ctags: CTAGS
-CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
-		$(TAGS_FILES) $(LISP)
-	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
-	unique=`for i in $$list; do \
-	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-	  done | \
-	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
-	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	test -z "$(CTAGS_ARGS)$$unique" \
-	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
-	     $$unique
-
-GTAGS:
-	here=`$(am__cd) $(top_builddir) && pwd` \
-	  && $(am__cd) $(top_srcdir) \
-	  && gtags -i $(GTAGS_ARGS) "$$here"
-
-distclean-tags:
-	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
-check-am:
-check: check-am
-all-am: Makefile $(LIBRARIES) all-local
-installdirs:
-install: install-am
-install-exec: install-exec-am
-install-data: install-data-am
-uninstall: uninstall-am
-
-install-am: all-am
-	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
-
-installcheck: installcheck-am
-install-strip:
-	if test -z '$(STRIP)'; then \
-	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	      install; \
-	else \
-	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
-	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
-	fi
-mostlyclean-generic:
-
-clean-generic:
-
-distclean-generic:
-	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
-
-maintainer-clean-generic:
-	@echo "This command is intended for maintainers to use"
-	@echo "it deletes files that may require special tools to rebuild."
-clean: clean-am
-
-clean-am: clean-generic clean-noinstLIBRARIES mostlyclean-am
-
-distclean: distclean-am
-	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-	-rm -f Makefile
-distclean-am: clean-am distclean-compile distclean-generic \
-	distclean-tags
-
-dvi: dvi-am
-
-dvi-am:
-
-html: html-am
-
-html-am:
-
-info: info-am
-
-info-am:
-
-install-data-am:
-
-install-dvi: install-dvi-am
-
-install-dvi-am:
-
-install-exec-am:
-
-install-html: install-html-am
-
-install-html-am:
-
-install-info: install-info-am
-
-install-info-am:
-
-install-man:
-
-install-pdf: install-pdf-am
-
-install-pdf-am:
-
-install-ps: install-ps-am
-
-install-ps-am:
-
-installcheck-am:
-
-maintainer-clean: maintainer-clean-am
-	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-	-rm -rf $(top_srcdir)/autom4te.cache
-	-rm -f Makefile
-maintainer-clean-am: distclean-am maintainer-clean-generic
-
-mostlyclean: mostlyclean-am
-
-mostlyclean-am: mostlyclean-compile mostlyclean-generic
-
-pdf: pdf-am
-
-pdf-am:
-
-ps: ps-am
-
-ps-am:
-
-uninstall-am:
-
-.MAKE: install-am install-strip
-
-.PHONY: CTAGS GTAGS all all-am all-local am--refresh check check-am \
-	clean clean-generic clean-noinstLIBRARIES ctags distclean \
-	distclean-compile distclean-generic distclean-tags dvi dvi-am \
-	html html-am info info-am install install-am install-data \
-	install-data-am install-dvi install-dvi-am install-exec \
-	install-exec-am install-html install-html-am install-info \
-	install-info-am install-man install-pdf install-pdf-am \
-	install-ps install-ps-am install-strip installcheck \
-	installcheck-am installdirs maintainer-clean \
-	maintainer-clean-generic mostlyclean mostlyclean-compile \
-	mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \
-	uninstall-am
-
-
-all-local: crt0.o
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:

newlib/libc/sys/arc/configure.in

@@ -1,14 +0,0 @@
-dnl This is the newlib/libc/sys/arc configure.in file.
-dnl Process this file with autoconf to produce a configure script.
-
-AC_PREREQ(2.59)
-AC_INIT([newlib],[NEWLIB_VERSION])
-AC_CONFIG_SRCDIR([isatty.c])
-
-dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. 
-AC_CONFIG_AUX_DIR(../../../..)
-
-NEWLIB_CONFIGURE(../../..)
-
-AC_CONFIG_FILES([Makefile])
-AC_OUTPUT

newlib/libc/sys/arc/crt0.S

@@ -1,75 +0,0 @@
-; ARC start up file
-; In the absence of a custom linker script, go with something simple.
-; We do not support passing arguments to "main", but this is an embedded
-; system anyway.
-;
-; We call init/fini here without cpu prefixes because there is always
-; only one .init/.fini section per image.
-
-	.section .text
-	.align 4
-
-	.global	start
-start:
-
-	mov	sp,end		; Round "sp" up to page after "end".
-	add	sp,sp,4095
-	and	sp,sp,-4096
-
-	ld	r8,[stack_size]	; Add stack size to "sp".
-	add	sp,sp,r8
-
-	st	sp,[sbrk_start]	; Initialize malloc heap.
-	st	sp,[sbrk_loc]
-
-	sub	sp,sp,16	; callee expects 16 bytes already "pushed".
-	mov	fp,0		; Top of stack frame indicator.
-
-	mov	r0,edata	; Zero bss.
-	mov	r2,end
-	sub	r2,r2,r0
-	mov	r1,0
-
-#ifdef __base__
-	bl.nd	_memset
-	bl.nd	init		; .init section entry point.
-	mov	r0,%st(fini)	; .fini section entry point.
-	bl.nd	_atexit
-	mov	r0,0		; argc
-	mov	r1,0		; argv
-	bl.nd	_main
-	bl.nd	_exit
-#endif
-
-#ifdef __host__
-	bl.nd	_host_memset
-	bl.nd	init		; .init section entry point.
-	mov	r0,%st(fini)	; .fini section entry point.
-	bl.nd	_host_atexit
-	mov	r0,0		; argc
-	mov	r1,0		; argv
-	bl.nd	_host_main
-	bl.nd	_host_exit
-#endif
-
-#ifdef __graphics__
-	bl.nd	_graphics_memset
-	bl.nd	init		; .init section entry point.
-	mov	r0,%st(fini)	; .fini section entry point.
-	bl.nd	_graphics_atexit
-	mov	r0,0		; argc
-	mov	r1,0		; argv
-	bl.nd	_graphics_main
-	bl.nd	_graphics_exit
-#endif
-
-#ifdef __audio__
-	bl.nd	_audio_memset
-	bl.nd	init		; .init section entry point.
-	mov	r0,%st(fini)	; .fini section entry point.
-	bl.nd	_audio_atexit
-	mov	r0,0		; argc
-	mov	r1,0		; argv
-	bl.nd	_audio_main
-	bl.nd	_audio_exit
-#endif

newlib/libc/sys/arc/dummy.S

@@ -1 +0,0 @@
-/* Dummy file to force .S.o suffix rule generation.  */

newlib/libc/sys/arc/isatty.c

@@ -1,18 +0,0 @@
-/* isatty.c */
-
-/* Dumb implementation so programs will at least run.  */
-
-#include <sys/stat.h>
-#include <reent.h>
-
-int
-_isatty_r (struct _reent *ptr, int fd)
-{
-  struct stat buf;
-
-  if (_fstat_r (ptr, fd, &buf) < 0)
-    return 0;
-  if (S_ISCHR (buf.st_mode))
-    return 1;
-  return 0;
-}

newlib/libc/sys/arc/mem-layout.c

@@ -1,21 +0,0 @@
-/* Ideally this kind of stuff is specified in a linker script.  It's not clear
-   what the default linker script should do, so for now we have this.  */
-
-/* Keep this file separate from sbrk.c so the programmer can supply his/her
-   own _sbrk_r.  This file could go in crt0.S, but I want to keep this in C.
-   This is all just an experiment anyway.  */
-
-#ifndef STACK_SIZE
-/* Cache lines recycle at 4096 I think, and 4096 is listed as the page size,
-   so we make the stack size a multiple of it.  Not that it's relevant or
-   anything, but why not base it on *something*?  */
-#define STACK_SIZE (4096 * 4)
-#endif
-
-int stack_size asm ("stack_size") = STACK_SIZE;
-
-#ifndef SBRK_SIZE
-#define SBRK_SIZE (4096 * 32)
-#endif
-
-int sbrk_size asm ("sbrk_size") = SBRK_SIZE;

newlib/libc/sys/arc/sbrk.c

@@ -1,43 +0,0 @@
-/* sbrk support */
-
-/* The current plan is to have one sbrk handler for all cpus.
-   Hence use `asm' for each global variable here to avoid the cpu prefix.
-   We can't intrude on the user's namespace (another reason to use asm).  */
-
-#include <sys/types.h>
-#include <sys/syscall.h>
-#include <errno.h>
-#include <stddef.h>
-
-/* These variables are publicly accessible for debugging purposes.
-   The user is also free to set sbrk_size to something different.
-   See mem-layout.c.  */
-
-extern int sbrk_size asm ("sbrk_size");
-
-caddr_t sbrk_start asm ("sbrk_start");
-caddr_t sbrk_loc asm ("sbrk_loc");
-
-/*caddr_t _sbrk_r (struct _reent *, size_t) asm ("__sbrk_r");*/
-
-/* FIXME: We need a semaphore here.  */
-
-caddr_t
-_sbrk_r (struct _reent *r, size_t nbytes)
-{
-  caddr_t result;
-
-  if (
-      /* Ensure we don't underflow.  */
-      sbrk_loc + nbytes < sbrk_start
-      /* Ensure we don't overflow.  */
-      || sbrk_loc + nbytes > sbrk_start + sbrk_size)
-    {
-      errno = ENOMEM;
-      return ((caddr_t) -1);
-    }
-
-  result = sbrk_loc;
-  sbrk_loc += nbytes;
-  return result;
-}

newlib/libc/sys/arc/sys/syscall.h

@@ -1,53 +0,0 @@
-/* ARC system call interface */
-
-/* A special version of the flag insn is used to distinguish syscalls from
-   breakpoints (a breakpoint might be set at the same place).
-
-   The upper 23 bits of the argument to a flag insn are not currently used.
-   By convention, bit 31 is one to indicate this is a specially coded operand.
-   The next 15 bits (bits 30-16) can be used for software purposes.
-   The format isn't documented yet, so the pattern we use here may change.  */
-
-#define SYSCALL_MARKER 0x80010000
-#define SYSCALL_MAGIC 0x61082300
-
-/* Perform a system call.
-
-   If ERR is 0, it succeeded.  Otherwise it is a positive value for errno.  */
-
-#define SYSCALL(op, rc, err, r0, r1, r2) \
-asm volatile ( "\
-	      mov r0,%2\n\t \
-	      mov r1,%3\n\t \
-	      mov r2,%4\n\t \
-	      mov r3,%5\n\t \
-	      mov r4,%6\n\t \
-	      flag %7\n\t \
-	      nop\n\t \
-	      nop\n\t \
-	      nop\n\t \
-	      mov %0,r0\n\t \
-	      mov %1,r1" \
-	      : "=r" (rc), "=r" (err) \
-	      : "i" (SYSCALL_MAGIC), "r" (op), "r" (r0), "r" (r1), "r" (r2), \
-	        "i" (1 | SYSCALL_MARKER) \
-	      : "r0", "r1", "r2", "r3", "r4");
-
-#define	SYS_exit	1
-#define	SYS_open	2
-#define	SYS_close	3
-#define	SYS_read	4
-#define	SYS_write	5
-#define	SYS_lseek	6
-#define	SYS_link	7
-#define	SYS_unlink	8
-#define	SYS_chdir	9
-#define	SYS_chmod	10
-#define SYS_stat	11
-#define SYS_fstat	12
-#define SYS_access	13
-#define	SYS_getpid	14
-#define SYS_kill	15
-#define SYS_time	16
-
-#define SYS_MAX		17

newlib/libc/sys/arc/syscalls.c

@@ -1,131 +0,0 @@
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/syscall.h>
-#include <_ansi.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdarg.h>
-#include <reent.h>
-
-_ssize_t
-_read_r (struct _reent *r, int fd, void *buf, size_t nbytes)
-{
-  int err;
-  _ssize_t rc;
-
-  SYSCALL (SYS_read, rc, err, fd, buf, nbytes);
-  if (err)
-    __errno_r (r) = err;
-  return rc;
-}
-
-_ssize_t
-_write_r (struct _reent *r, int fd, const void *buf, size_t nbytes)
-{
-  int err;
-  _ssize_t rc;
-
-  SYSCALL (SYS_write, rc, err, fd, buf, nbytes);
-  if (err)
-    __errno_r (r) = err;
-  return rc;
-}
-
-/* FIXME: The prototype in <fcntl.h> for open() uses ...,
-   but reent.h uses int.  */
-
-int
-_open_r (struct _reent *r, const char *buf, int flags, int mode)
-{
-  int rc,err;
-#if 0
-  int mode;
-  va_list ap;
-
-  va_start (ap, flags);
-  mode = va_arg (ap, int);
-  va_end (ap);
-#endif
-
-  SYSCALL (SYS_open, rc, err, buf, flags, mode);
-  if (err)
-    __errno_r (r) = err;
-  return rc;
-}
-
-int
-_close_r (struct _reent *r, int fd)
-{
-  int rc,err;
-
-  SYSCALL (SYS_close, rc, err, fd, 0, 0);
-  if (err)
-    __errno_r (r) = err;
-  return rc;
-}
-
-off_t
-_lseek_r (struct _reent *r, int fd,  off_t offset, int whence)
-{
-  int err;
-  off_t rc;
-
-  SYSCALL (SYS_lseek, rc, err, fd, offset, whence);
-  if (err)
-    __errno_r (r) = err;
-  return rc;
-}
-
-int
-_fstat_r (struct _reent *r, int fd, struct stat *buf)
-{
-  int rc,err;
-
-  SYSCALL (SYS_fstat, rc, err, fd, buf, 0);
-  if (err)
-    __errno_r (r) = err;
-  return rc;
-}
-
-/* FIXME: Shouldn't this be _exit_r?  */
-
-void
-_exit (int ret)
-{
-  int rc,err;
-
-  SYSCALL (SYS_exit, rc, err, ret, 0, 0);
-
-  /* If that failed, use an infinite loop.  */
-  while (1)
-    continue;
-}
-
-time_t
-_time (time_t *timer)
-{
-  return 0;
-}
-
-int
-_creat_r (struct _reent *r, const char *path, int mode)
-{
-  return _open_r (r, path, O_CREAT | O_TRUNC, mode);
-}
-
-int
-_getpid_r (struct _reent *r)
-{
-  return 42;
-}
-
-int
-_kill_r (struct _reent *r, int pid, int sig)
-{
-  int rc,err;
-
-  SYSCALL (SYS_kill, rc, err, pid, sig, 0);
-  if (err)
-    __errno_r (r) = err;
-  return rc;
-}

newlib/libc/sys/configure

@@ -786,7 +786,6 @@ LIBS
 CPPFLAGS
 CPP'
 ac_subdirs_all='a29khif
-arc
 arm
 d10v
 decstation
@@ -11456,7 +11455,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11459 "configure"
+#line 11458 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11562,7 +11561,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11565 "configure"
+#line 11564 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11806,8 +11805,6 @@ if test -n "${sys_dir}"; then
 	a29khif)
 
 subdirs="$subdirs a29khif"
- ;;
-	arc) subdirs="$subdirs arc"
  ;;
 	arm) subdirs="$subdirs arm"
  ;;

newlib/libc/sys/configure.in

@@ -23,7 +23,6 @@ fi
 if test -n "${sys_dir}"; then
   case ${sys_dir} in
 	a29khif) AC_CONFIG_SUBDIRS(a29khif) ;;
-	arc) AC_CONFIG_SUBDIRS(arc) ;;
 	arm) AC_CONFIG_SUBDIRS(arm) ;;
 	d10v) AC_CONFIG_SUBDIRS(d10v) ;;
 	decstation) AC_CONFIG_SUBDIRS(decstation) ;;