2004-09-15 Jeff Johnston <jjohnstn@redhat.com>

        * configure.host: Reverting 2004-09-14 change as fix has occurred on
        Cygwin side.
        * configure.in: Ditto.
        * libc/configure.in: Ditto.
        * libc/sys/configure.in: Ditto.
        * configure: Ditto.
        * libc/configure: Ditto.
        * libc/sys/configure: Ditto.
        * libc/include/sys/reent.h: Ditto.
        * libc/stdlib/__atexit.c: Ditto.
        * libc/stdlib/__call_atexit.c: Ditto.
        * libc/stdlib/cxa_atexit.c: Ditto.
        * libc/stdlib/cxa_finalize.c: Ditto.
        * libc/sys/cygwin/Makefile.am: Removed again.
        * libc/sys/cygwin/Makefile.in: Ditto.
        * libc/sys/cygwin/aclocal.m4: Ditto.
        * libc/sys/cygwin/configure: Ditto.
        * libc/sys/cygwin/configure.in: Ditto.
        * libc/sys/cygwin/dummy.c: Ditto.
        * libc/sys/cygwin/sys/reent.h: Ditto.

20 files changed, 29 insertions, 3437 deletions

diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index a7aa4b9de..97ec67ff2 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,26 @@
+2004-09-15  Jeff Johnston  <jjohnstn@redhat.com>
+
+	* configure.host: Reverting 2004-09-14 change as fix has occurred on
+	Cygwin side.
+	* configure.in: Ditto.
+	* libc/configure.in: Ditto.
+	* libc/sys/configure.in: Ditto.
+	* configure: Ditto.
+	* libc/configure: Ditto.
+	* libc/sys/configure: Ditto.
+	* libc/include/sys/reent.h: Ditto.
+	* libc/stdlib/__atexit.c: Ditto.
+	* libc/stdlib/__call_atexit.c: Ditto.
+	* libc/stdlib/cxa_atexit.c: Ditto.
+	* libc/stdlib/cxa_finalize.c: Ditto.
+	* libc/sys/cygwin/Makefile.am: Removed again.
+	* libc/sys/cygwin/Makefile.in: Ditto.
+	* libc/sys/cygwin/aclocal.m4: Ditto.
+	* libc/sys/cygwin/configure: Ditto.
+	* libc/sys/cygwin/configure.in: Ditto.
+	* libc/sys/cygwin/dummy.c: Ditto.
+	* libc/sys/cygwin/sys/reent.h: Ditto.
+
 2004-09-14  Jeff Johnston  <jjohnstn@redhat.com>
 
 	* configure.host: Add Cygwin sys directory.
diff --git a/newlib/configure b/newlib/configure
index 9007c72ed..2d65f088e 100755
--- a/newlib/configure
+++ b/newlib/configure
@@ -3205,7 +3205,7 @@ subdirs="${configdirs}"
 
 CRT0=
 CRT0_DIR=
-if test x${sys_dir} != xcygwin && test -n "${sys_dir}"; then
+if test -n "${sys_dir}"; then
   CRT0=crt0.o
   CRT0_DIR=libc/
 fi
diff --git a/newlib/configure.host b/newlib/configure.host
index eccdbcf33..a4b7506c2 100644
--- a/newlib/configure.host
+++ b/newlib/configure.host
@@ -284,7 +284,6 @@ esac
 
 case "${host}" in
   *-*-cygwin*)
-	sys_dir=cygwin
 	posix_dir=posix
 	stdio64_dir=stdio64
 	;;
diff --git a/newlib/configure.in b/newlib/configure.in
index 610429e11..dbc4cb5ef 100644
--- a/newlib/configure.in
+++ b/newlib/configure.in
@@ -139,7 +139,7 @@ AC_CONFIG_SUBDIRS(${configdirs})
 
 CRT0=
 CRT0_DIR=
-if test x${sys_dir} != xcygwin && test -n "${sys_dir}"; then
+if test -n "${sys_dir}"; then
   CRT0=crt0.o
   CRT0_DIR=libc/
 fi
diff --git a/newlib/libc/configure b/newlib/libc/configure
index 40b2a8007..5878a6930 100755
--- a/newlib/libc/configure
+++ b/newlib/libc/configure
@@ -3006,7 +3006,7 @@ subdirs="machine sys"
 
 
 CRT0=
-if test x${sys_dir} != xcygwin && test -n "${sys_dir}"; then
+if test -n "${sys_dir}"; then
   CRT0=crt0.o
 fi
 
diff --git a/newlib/libc/configure.in b/newlib/libc/configure.in
index 069f7657c..0b6f276c1 100644
--- a/newlib/libc/configure.in
+++ b/newlib/libc/configure.in
@@ -30,7 +30,7 @@ fi
 AC_CONFIG_SUBDIRS(machine sys)
 
 CRT0=
-if test x${sys_dir} != xcygwin && test -n "${sys_dir}"; then
+if test -n "${sys_dir}"; then
   CRT0=crt0.o
 fi
 AC_SUBST(CRT0)
diff --git a/newlib/libc/include/sys/reent.h b/newlib/libc/include/sys/reent.h
index 0c80c1510..54f5d8efe 100644
--- a/newlib/libc/include/sys/reent.h
+++ b/newlib/libc/include/sys/reent.h
@@ -62,7 +62,6 @@ struct __tm
  * atexit() support.
  */
 
-#define __REENT_HAS_CXA_SUPPORT 1
 #define	_ATEXIT_SIZE 32	/* must be at least 32 to guarantee ANSI conformance */
 
 struct _on_exit_args {
diff --git a/newlib/libc/stdlib/__atexit.c b/newlib/libc/stdlib/__atexit.c
index 310b69174..04f494738 100644
--- a/newlib/libc/stdlib/__atexit.c
+++ b/newlib/libc/stdlib/__atexit.c
@@ -48,10 +48,8 @@ _DEFUN (__register_exitproc,
       _GLOBAL_REENT->_atexit = p;
 #ifndef _REENT_SMALL
       p->_on_exit_args._fntypes = 0;
-#ifdef __REENT_HAS_CXA_SUPPORT
       p->_on_exit_args._is_cxa = 0;
 #endif
-#endif
     }
 
   if (type != __et_atexit)
@@ -70,20 +68,16 @@ _DEFUN (__register_exitproc,
 	    }
 	  args->_fntypes = 0;
 	  args->_is_cxa = 0;
-#ifdef __REENT_HAS_CXA_SUPPORT
 	  p->_on_exit_args_ptr = args;
-#endif
 	}
 #else
       args = &p->_on_exit_args;
 #endif
       args->_fnargs[p->_ind] = arg;
       args->_fntypes |= (1 << p->_ind);
-#ifdef __REENT_HAS_CXA_SUPPORT
       args->_dso_handle[p->_ind] = d;
       if (type == __et_cxa)
 	args->_is_cxa |= (1 << p->_ind);
-#endif
     }
   p->_fns[p->_ind++] = fn;
 #ifndef __SINGLE_THREAD__
diff --git a/newlib/libc/stdlib/__call_atexit.c b/newlib/libc/stdlib/__call_atexit.c
index 8e91770c2..cea569ff4 100644
--- a/newlib/libc/stdlib/__call_atexit.c
+++ b/newlib/libc/stdlib/__call_atexit.c
@@ -36,11 +36,9 @@ _DEFUN (__call_exitprocs, (code, d),
 	{
 	  i = 1 << n;
 
-#ifdef __REENT_HAS_CXA_SUPPORT
 	  /* Skip functions not from this dso.  */
 	  if (d && (!args || args->_dso_handle[n] != d))
 	    continue;
-#endif
 
 	  /* Remove the function now to protect against the
 	     function calling exit recursively.  */
@@ -57,10 +55,8 @@ _DEFUN (__call_exitprocs, (code, d),
 	  /* Call the function.  */
 	  if (!args || (args->_fntypes & i) == 0)
 	    fn ();
-#ifdef __REENT_HAS_CXA_SUPPORT
 	  else if ((args->_is_cxa & i) == 0)
 	    (*((void (*)(int, _PTR)) fn))(code, args->_fnargs[n]);
-#endif
 	  else
 	    (*((void (*)(_PTR)) fn))(args->_fnargs[n]);
 	}
diff --git a/newlib/libc/stdlib/cxa_atexit.c b/newlib/libc/stdlib/cxa_atexit.c
index 9b73372d6..8c39236de 100644
--- a/newlib/libc/stdlib/cxa_atexit.c
+++ b/newlib/libc/stdlib/cxa_atexit.c
@@ -8,7 +8,6 @@
 #include <sys/lock.h>
 #include "atexit.h"
 
-#ifdef __REENT_HAS_CXA_SUPPORT
 /*
  * Register a function to be performed at exit or DSO unload.
  */
@@ -22,5 +21,3 @@ _DEFUN (__cxa_atexit,
 {
   return __register_exitproc (__et_cxa, (void (*)(void)) fn, arg, d);
 }
-
-#endif /* __REENT_HAS_CXA_SUPPORT */
diff --git a/newlib/libc/stdlib/cxa_finalize.c b/newlib/libc/stdlib/cxa_finalize.c
index 9bdbed7af..17d0526a7 100644
--- a/newlib/libc/stdlib/cxa_finalize.c
+++ b/newlib/libc/stdlib/cxa_finalize.c
@@ -7,8 +7,6 @@
 #include <reent.h>
 #include "atexit.h"
 
-#ifdef __REENT_HAS_CXA_SUPPORT
-
 /*
  * Call registered exit handlers.  If D is null then all handlers are called,
  * otherwise only the handlers from that DSO are called.
@@ -20,5 +18,3 @@ _DEFUN (__cxa_finalize, (d),
 {
   __call_exitprocs (0, d);
 }
-
-#endif  /* __REENT_HAS_CXA_SUPPORT */
diff --git a/newlib/libc/sys/configure b/newlib/libc/sys/configure
index 8cd106edd..d24f33b07 100755
--- a/newlib/libc/sys/configure
+++ b/newlib/libc/sys/configure
@@ -2977,7 +2977,7 @@ if test -n "${sys_dir}"; then
 fi
 
 CRT0=
-if test x${sys_dir} != xcygwin && test -n "${sys_dir}"; then
+if test -n "${sys_dir}"; then
   CRT0=crt0.o
 fi
 
diff --git a/newlib/libc/sys/configure.in b/newlib/libc/sys/configure.in
index 105fa1c3c..4a53612e0 100644
--- a/newlib/libc/sys/configure.in
+++ b/newlib/libc/sys/configure.in
@@ -22,7 +22,7 @@ if test -n "${sys_dir}"; then
 fi
 
 CRT0=
-if test x${sys_dir} != xcygwin && test -n "${sys_dir}"; then
+if test -n "${sys_dir}"; then
   CRT0=crt0.o
 fi
 AC_SUBST(CRT0)
diff --git a/newlib/libc/sys/cygwin/Makefile.am b/newlib/libc/sys/cygwin/Makefile.am
deleted file mode 100644
index d41e23a66..000000000
--- a/newlib/libc/sys/cygwin/Makefile.am
+++ /dev/null
@@ -1,12 +0,0 @@
-## Process this file with automake to generate Makefile.in
-
-AUTOMAKE_OPTIONS = cygnus
-
-INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
-
-noinst_LIBRARIES = lib.a
-
-lib_a_SOURCES = dummy.c
-
-ACLOCAL_AMFLAGS = -I ../../..
-CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
diff --git a/newlib/libc/sys/cygwin/Makefile.in b/newlib/libc/sys/cygwin/Makefile.in
deleted file mode 100644
index b481c5e43..000000000
--- a/newlib/libc/sys/cygwin/Makefile.in
+++ /dev/null
@@ -1,327 +0,0 @@
-# Makefile.in generated automatically by automake 1.4-p6 from Makefile.am
-
-# Copyright (C) 1994, 1995-8, 1999, 2001 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.
-
-
-SHELL = @SHELL@
-
-srcdir = @srcdir@
-top_srcdir = @top_srcdir@
-VPATH = @srcdir@
-prefix = @prefix@
-exec_prefix = @exec_prefix@
-
-bindir = @bindir@
-sbindir = @sbindir@
-libexecdir = @libexecdir@
-datadir = @datadir@
-sysconfdir = @sysconfdir@
-sharedstatedir = @sharedstatedir@
-localstatedir = @localstatedir@
-libdir = @libdir@
-infodir = @infodir@
-mandir = @mandir@
-includedir = @includedir@
-oldincludedir = /usr/include
-
-DESTDIR =
-
-pkgdatadir = $(datadir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-
-top_builddir = .
-
-ACLOCAL = @ACLOCAL@
-AUTOCONF = @AUTOCONF@
-AUTOMAKE = @AUTOMAKE@
-AUTOHEADER = @AUTOHEADER@
-
-INSTALL = @INSTALL@
-INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS)
-INSTALL_DATA = @INSTALL_DATA@
-INSTALL_SCRIPT = @INSTALL_SCRIPT@
-transform = @program_transform_name@
-
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-build_alias = @build_alias@
-build_triplet = @build@
-host_alias = @host_alias@
-host_triplet = @host@
-target_alias = @target_alias@
-target_triplet = @target@
-AR = @AR@
-AS = @AS@
-CC = @CC@
-CPP = @CPP@
-EXEEXT = @EXEEXT@
-LDFLAGS = @LDFLAGS@
-MAINT = @MAINT@
-MAKEINFO = @MAKEINFO@
-NEWLIB_CFLAGS = @NEWLIB_CFLAGS@
-OBJEXT = @OBJEXT@
-PACKAGE = @PACKAGE@
-RANLIB = @RANLIB@
-VERSION = @VERSION@
-aext = @aext@
-libm_machine_dir = @libm_machine_dir@
-machine_dir = @machine_dir@
-newlib_basedir = @newlib_basedir@
-oext = @oext@
-sys_dir = @sys_dir@
-
-AUTOMAKE_OPTIONS = cygnus
-
-INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
-
-noinst_LIBRARIES = lib.a
-
-lib_a_SOURCES = dummy.c
-
-ACLOCAL_AMFLAGS = -I ../../..
-CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
-ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-mkinstalldirs = $(SHELL) $(top_srcdir)/../../../../mkinstalldirs
-CONFIG_CLEAN_FILES = 
-LIBRARIES =  $(noinst_LIBRARIES)
-
-
-DEFS = @DEFS@ -I. -I$(srcdir) 
-CPPFLAGS = @CPPFLAGS@
-LIBS = @LIBS@
-lib_a_LIBADD = 
-lib_a_OBJECTS =  dummy.o
-CFLAGS = @CFLAGS@
-COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-CCLD = $(CC)
-LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
-DIST_COMMON =  Makefile.am Makefile.in aclocal.m4 configure configure.in
-
-
-DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
-
-TAR = gtar
-GZIP_ENV = --best
-SOURCES = $(lib_a_SOURCES)
-OBJECTS = $(lib_a_OBJECTS)
-
-all: all-redirect
-.SUFFIXES:
-.SUFFIXES: .S .c .o .s
-$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) 
-	cd $(top_srcdir) && $(AUTOMAKE) --cygnus Makefile
-
-Makefile: $(srcdir)/Makefile.in  $(top_builddir)/config.status
-	cd $(top_builddir) \
-	  && CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status
-
-$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ configure.in  \
-		../../../acinclude.m4 ../../../aclocal.m4 \
-		../../../libtool.m4
-	cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
-
-config.status: $(srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
-	$(SHELL) ./config.status --recheck
-$(srcdir)/configure: @MAINTAINER_MODE_TRUE@$(srcdir)/configure.in $(ACLOCAL_M4) $(CONFIGURE_DEPENDENCIES)
-	cd $(srcdir) && $(AUTOCONF)
-
-mostlyclean-noinstLIBRARIES:
-
-clean-noinstLIBRARIES:
-	-test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
-
-distclean-noinstLIBRARIES:
-
-maintainer-clean-noinstLIBRARIES:
-
-.c.o:
-	$(COMPILE) -c $<
-
-.s.o:
-	$(COMPILE) -c $<
-
-.S.o:
-	$(COMPILE) -c $<
-
-mostlyclean-compile:
-	-rm -f *.o core *.core
-
-clean-compile:
-
-distclean-compile:
-	-rm -f *.tab.c
-
-maintainer-clean-compile:
-
-lib.a: $(lib_a_OBJECTS) $(lib_a_DEPENDENCIES)
-	-rm -f lib.a
-	$(AR) cru lib.a $(lib_a_OBJECTS) $(lib_a_LIBADD)
-	$(RANLIB) lib.a
-
-tags: TAGS
-
-ID: $(HEADERS) $(SOURCES) $(LISP)
-	list='$(SOURCES) $(HEADERS)'; \
-	unique=`for i in $$list; do echo $$i; done | \
-	  awk '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
-	here=`pwd` && cd $(srcdir) \
-	  && mkid -f$$here/ID $$unique $(LISP)
-
-TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) $(LISP)
-	tags=; \
-	here=`pwd`; \
-	list='$(SOURCES) $(HEADERS)'; \
-	unique=`for i in $$list; do echo $$i; done | \
-	  awk '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
-	test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
-	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $$unique $(LISP) -o $$here/TAGS)
-
-mostlyclean-tags:
-
-clean-tags:
-
-distclean-tags:
-	-rm -f TAGS ID
-
-maintainer-clean-tags:
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-distdir = $(PACKAGE)-$(VERSION)
-top_distdir = $(distdir)
-
-# This target untars the dist file and tries a VPATH configuration.  Then
-# it guarantees that the distribution is self-contained by making another
-# tarfile.
-distcheck: dist
-	-rm -rf $(distdir)
-	GZIP=$(GZIP_ENV) $(TAR) zxf $(distdir).tar.gz
-	mkdir $(distdir)/=build
-	mkdir $(distdir)/=inst
-	dc_install_base=`cd $(distdir)/=inst && pwd`; \
-	cd $(distdir)/=build \
-	  && ../configure --srcdir=.. --prefix=$$dc_install_base \
-	  && $(MAKE) $(AM_MAKEFLAGS) \
-	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
-	  && $(MAKE) $(AM_MAKEFLAGS) check \
-	  && $(MAKE) $(AM_MAKEFLAGS) install \
-	  && $(MAKE) $(AM_MAKEFLAGS) installcheck \
-	  && $(MAKE) $(AM_MAKEFLAGS) dist
-	-rm -rf $(distdir)
-	@banner="$(distdir).tar.gz is ready for distribution"; \
-	dashes=`echo "$$banner" | sed s/./=/g`; \
-	echo "$$dashes"; \
-	echo "$$banner"; \
-	echo "$$dashes"
-dist: distdir
-	-chmod -R a+r $(distdir)
-	GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
-	-rm -rf $(distdir)
-dist-all: distdir
-	-chmod -R a+r $(distdir)
-	GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
-	-rm -rf $(distdir)
-distdir: $(DISTFILES)
-	-rm -rf $(distdir)
-	mkdir $(distdir)
-	-chmod 777 $(distdir)
-	@for file in $(DISTFILES); do \
-	  if test -f $$file; then d=.; else d=$(srcdir); fi; \
-	  if test -d $$d/$$file; then \
-	    cp -pr $$d/$$file $(distdir)/$$file; \
-	  else \
-	    test -f $(distdir)/$$file \
-	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
-	    || cp -p $$d/$$file $(distdir)/$$file || :; \
-	  fi; \
-	done
-info-am:
-info: info-am
-dvi-am:
-dvi: dvi-am
-check-am:
-check: check-am
-installcheck-am:
-installcheck: installcheck-am
-install-info-am: 
-install-info: install-info-am
-install-exec-am:
-install-exec: install-exec-am
-
-install-data-am:
-install-data: install-data-am
-
-install-am: all-am
-	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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-all-am: Makefile $(LIBRARIES)
-all-redirect: all-am
-install-strip:
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-installdirs:
-
-
-mostlyclean-generic:
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-clean-generic:
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-distclean-generic:
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-	-rm -f config.cache config.log stamp-h stamp-h[0-9]*
-
-maintainer-clean-generic:
-mostlyclean-am:  mostlyclean-noinstLIBRARIES mostlyclean-compile \
-		mostlyclean-tags mostlyclean-generic
-
-mostlyclean: mostlyclean-am
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-clean-am:  clean-noinstLIBRARIES clean-compile clean-tags clean-generic \
-		mostlyclean-am
-
-clean: clean-am
-
-distclean-am:  distclean-noinstLIBRARIES distclean-compile \
-		distclean-tags distclean-generic clean-am
-
-distclean: distclean-am
-	-rm -f config.status
-
-maintainer-clean-am:  maintainer-clean-noinstLIBRARIES \
-		maintainer-clean-compile maintainer-clean-tags \
-		maintainer-clean-generic distclean-am
-	@echo "This command is intended for maintainers to use;"
-	@echo "it deletes files that may require special tools to rebuild."
-
-maintainer-clean: maintainer-clean-am
-	-rm -f config.status
-
-.PHONY: mostlyclean-noinstLIBRARIES distclean-noinstLIBRARIES \
-clean-noinstLIBRARIES maintainer-clean-noinstLIBRARIES \
-mostlyclean-compile distclean-compile clean-compile \
-maintainer-clean-compile tags mostlyclean-tags distclean-tags \
-clean-tags maintainer-clean-tags distdir info-am info dvi-am dvi check \
-check-am installcheck-am installcheck install-info-am install-info \
-install-exec-am install-exec install-data-am install-data install-am \
-install uninstall-am uninstall all-redirect all-am all installdirs \
-mostlyclean-generic distclean-generic clean-generic \
-maintainer-clean-generic clean mostlyclean distclean maintainer-clean
-
-
-# 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:
diff --git a/newlib/libc/sys/cygwin/aclocal.m4 b/newlib/libc/sys/cygwin/aclocal.m4
deleted file mode 100644
index b0314a4ed..000000000
--- a/newlib/libc/sys/cygwin/aclocal.m4
+++ /dev/null
@@ -1,366 +0,0 @@
-dnl aclocal.m4 generated automatically by aclocal 1.4-p6
-
-dnl Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl This program is distributed in the hope that it will be useful,
-dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-dnl PARTICULAR PURPOSE.
-
-dnl This provides configure definitions used by all the newlib
-dnl configure.in files.
-
-dnl Basic newlib configury.  This calls basic introductory stuff,
-dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST.  It also runs
-dnl configure.host.  The only argument is the relative path to the top
-dnl newlib directory.
-
-AC_DEFUN(NEWLIB_CONFIGURE,
-[
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diff --git a/newlib/libc/sys/cygwin/configure b/newlib/libc/sys/cygwin/configure
deleted file mode 100755
index 610761783..000000000
--- a/newlib/libc/sys/cygwin/configure
+++ /dev/null
@@ -1,1880 +0,0 @@
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-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  ac_cv_mingw32=no
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-
-echo "$ac_t""$ac_cv_mingw32" 1>&6
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-# Check whether --enable-multilib or --disable-multilib was given.
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-  case "${enableval}" in
-  yes) multilib=yes ;;
-  no)  multilib=no ;;
-  *)   { echo "configure: error: bad value ${enableval} for multilib option" 1>&2; exit 1; } ;;
- esac
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-  multilib=yes
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-
-# Check whether --enable-target-optspace or --disable-target-optspace was given.
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-  enableval="$enable_target_optspace"
-  case "${enableval}" in
-  yes) target_optspace=yes ;;
-  no)  target_optspace=no ;;
-  *)   { echo "configure: error: bad value ${enableval} for target-optspace option" 1>&2; exit 1; } ;;
- esac
-else
-  target_optspace=
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-
-# Check whether --enable-malloc-debugging or --disable-malloc-debugging was given.
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-  enableval="$enable_malloc_debugging"
-  case "${enableval}" in
-  yes) malloc_debugging=yes ;;
-  no)  malloc_debugging=no ;;
-  *)   { echo "configure: error: bad value ${enableval} for malloc-debugging option" 1>&2; exit 1; } ;;
- esac
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-  malloc_debugging=
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-
-# Check whether --enable-newlib-multithread or --disable-newlib-multithread was given.
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-  enableval="$enable_newlib_multithread"
-  case "${enableval}" in
-  yes) newlib_multithread=yes ;;
-  no)  newlib_multithread=no ;;
-  *)   { echo "configure: error: bad value ${enableval} for newlib-multithread option" 1>&2; exit 1; } ;;
- esac
-else
-  newlib_multithread=yes
-fi
-
-# Check whether --enable-newlib-iconv or --disable-newlib-iconv was given.
-if test "${enable_newlib_iconv+set}" = set; then
-  enableval="$enable_newlib_iconv"
-  if test "${newlib_iconv+set}" != set; then
-   case "${enableval}" in
-     yes) newlib_iconv=yes ;;
-     no)  newlib_iconv=no ;;
-     *)   { echo "configure: error: bad value ${enableval} for newlib-iconv option" 1>&2; exit 1; } ;;
-   esac
- fi
-else
-  newlib_iconv=${newlib_iconv}
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-
-# Check whether --enable-newlib-elix-level or --disable-newlib-elix-level was given.
-if test "${enable_newlib_elix_level+set}" = set; then
-  enableval="$enable_newlib_elix_level"
-  case "${enableval}" in
-  0)   newlib_elix_level=0 ;;
-  1)   newlib_elix_level=1 ;;
-  2)   newlib_elix_level=2 ;;
-  3)   newlib_elix_level=3 ;;
-  4)   newlib_elix_level=4 ;;
-  *)   { echo "configure: error: bad value ${enableval} for newlib-elix-level option" 1>&2; exit 1; } ;;
- esac
-else
-  newlib_elix_level=0
-fi
-
-# Check whether --enable-newlib-io-float or --disable-newlib-io-float was given.
-if test "${enable_newlib_io_float+set}" = set; then
-  enableval="$enable_newlib_io_float"
-  case "${enableval}" in
-  yes) newlib_io_float=yes ;;
-  no)  newlib_io_float=no ;;
-  *)   { echo "configure: error: bad value ${enableval} for newlib-io-float option" 1>&2; exit 1; } ;;
- esac
-else
-  newlib_io_float=yes
-fi
-
-# Check whether --enable-newlib-supplied-syscalls or --disable-newlib-supplied-syscalls was given.
-if test "${enable_newlib_supplied_syscalls+set}" = set; then
-  enableval="$enable_newlib_supplied_syscalls"
-  case "${enableval}" in
-  yes) newlib_may_supply_syscalls=yes ;;
-  no)  newlib_may_supply_syscalls=no ;;
-  *)   { echo "configure: error: bad value ${enableval} for newlib-supplied-syscalls option" 1>&2; exit 1; } ;;
- esac
-else
-  newlib_may_supply_syscalls=yes
-fi
-
-
-
-if test x${newlib_may_supply_syscalls} = xyes; then
-  MAY_SUPPLY_SYSCALLS_TRUE=
-  MAY_SUPPLY_SYSCALLS_FALSE='#'
-else
-  MAY_SUPPLY_SYSCALLS_TRUE='#'
-  MAY_SUPPLY_SYSCALLS_FALSE=
-fi
-
-
-test -z "${with_target_subdir}" && with_target_subdir=.
-
-if test "${srcdir}" = "."; then
-  if test "${with_target_subdir}" != "."; then
-    newlib_basedir="${srcdir}/${with_multisrctop}../../../.."
-  else
-    newlib_basedir="${srcdir}/${with_multisrctop}../../.."
-  fi
-else
-  newlib_basedir="${srcdir}/../../.."
-fi
-
-
-
-# Do some error checking and defaulting for the host and target type.
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-#
-# The rules are:
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-#    as determined by config.guess.
-# 4. Target and build default to nonopt.
-# 5. If nonopt is not specified, then target and build default to host.
-
-# The aliases save the names the user supplied, while $host etc.
-# will get canonicalized.
-case $host---$target---$nonopt in
-NONE---*---* | *---NONE---* | *---*---NONE) ;;
-*) { echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; } ;;
-esac
-
-
-# Make sure we can run config.sub.
-if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
-else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
-fi
-
-echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:936: checking host system type" >&5
-
-host_alias=$host
-case "$host_alias" in
-NONE)
-  case $nonopt in
-  NONE)
-    if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
-    else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
-    fi ;;
-  *) host_alias=$nonopt ;;
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-esac
-
-host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
-host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
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-
-echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:957: checking target system type" >&5
-
-target_alias=$target
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-  case $nonopt in
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-  *) target_alias=$nonopt ;;
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-
-target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
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-echo "$ac_t""$target" 1>&6
-
-echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:975: checking build system type" >&5
-
-build_alias=$build
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-NONE)
-  case $nonopt in
-  NONE) build_alias=$host_alias ;;
-  *) build_alias=$nonopt ;;
-  esac ;;
-esac
-
-build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
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-
-test "$host_alias" != "$target_alias" &&
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-
-
-
-PACKAGE=newlib
-
-VERSION=1.12.0
-
-if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
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-fi
-cat >> confdefs.h <<EOF
-#define PACKAGE "$PACKAGE"
-EOF
-
-cat >> confdefs.h <<EOF
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-
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-echo "configure:1018: checking for working aclocal-${am__api_version}" >&5
-# Run test in a subshell; some versions of sh will print an error if
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-   ACLOCAL=aclocal-${am__api_version}
-   echo "$ac_t""found" 1>&6
-else
-   ACLOCAL="$missing_dir/missing aclocal-${am__api_version}"
-   echo "$ac_t""missing" 1>&6
-fi
-
-echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
-echo "configure:1031: checking for working autoconf" >&5
-# Run test in a subshell; some versions of sh will print an error if
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-# Redirect stdin to placate older versions of autoconf.  Sigh.
-if (autoconf --version) < /dev/null > /dev/null 2>&1; then
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-   AUTOCONF="$missing_dir/missing autoconf"
-   echo "$ac_t""missing" 1>&6
-fi
-
-echo $ac_n "checking for working automake-${am__api_version}""... $ac_c" 1>&6
-echo "configure:1044: checking for working automake-${am__api_version}" >&5
-# Run test in a subshell; some versions of sh will print an error if
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-# Redirect stdin to placate older versions of autoconf.  Sigh.
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-   AUTOMAKE=automake-${am__api_version}
-   echo "$ac_t""found" 1>&6
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-   AUTOMAKE="$missing_dir/missing automake-${am__api_version}"
-   echo "$ac_t""missing" 1>&6
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-
-echo $ac_n "checking for working autoheader""... $ac_c" 1>&6
-echo "configure:1057: checking for working autoheader" >&5
-# Run test in a subshell; some versions of sh will print an error if
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-   AUTOHEADER="$missing_dir/missing autoheader"
-   echo "$ac_t""missing" 1>&6
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-
-echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6
-echo "configure:1070: checking for working makeinfo" >&5
-# Run test in a subshell; some versions of sh will print an error if
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-# Redirect stdin to placate older versions of autoconf.  Sigh.
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-   MAKEINFO="$missing_dir/missing makeinfo"
-   echo "$ac_t""missing" 1>&6
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-
-
-
-# Extract the first word of "gcc", so it can be a program name with args.
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-  if test -n "$CC"; then
-  ac_cv_prog_CC="$CC" # Let the user override the test.
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-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do
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-  echo "$ac_t""no" 1>&6
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-
-if test -z "$CC"; then
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-  echo $ac_n "(cached) $ac_c" 1>&6
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-  if test -n "$CC"; then
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-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_prog_rejected=no
-  ac_dummy="$PATH"
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-    if test -f $ac_dir/$ac_word; then
-      if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
-        ac_prog_rejected=yes
-	continue
-      fi
-      ac_cv_prog_CC="cc"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
-if test $ac_prog_rejected = yes; then
-  # We found a bogon in the path, so make sure we never use it.
-  set dummy $ac_cv_prog_CC
-  shift
-  if test $# -gt 0; then
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-    # first if we set CC to just the basename; use the full file name.
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-  echo "$ac_t""no" 1>&6
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-
-  test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
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-
-echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
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-  ac_cv_prog_gcc=no
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-
-echo "$ac_t""$ac_cv_prog_gcc" 1>&6
-
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-  ac_test_CFLAGS="${CFLAGS+set}"
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-  CFLAGS=
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-echo "configure:1198: checking whether ${CC-cc} accepts -g" >&5
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-  ac_cv_prog_cc_g=no
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-rm -f conftest*
-
-fi
-
-echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
-  if test "$ac_test_CFLAGS" = set; then
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-  GCC=
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-
-
-# Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
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-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1229: checking for $ac_word" >&5
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-  if test -n "$AS"; then
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-  ac_dummy="$PATH"
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-  echo "$ac_t""no" 1>&6
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-
-
-
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-  echo "$ac_t""no" 1>&6
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-
-
-
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-  ac_dummy="$PATH"
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-
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-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
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-else
-  echo "$ac_t""no" 1>&6
-fi
-
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-  RANLIB=":"
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-
-
-# Find a good install program.  We prefer a C program (faster),
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-# IRIX /sbin/install
-# AIX /bin/install
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-# ./install, which can be erroneously created by make from ./install.sh.
-echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1370: checking for a BSD compatible install" >&5
-if test -z "$INSTALL"; then
-if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-    IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS=":"
-  for ac_dir in $PATH; do
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-    *)
-      # OSF1 and SCO ODT 3.0 have their own names for install.
-      # Don't use installbsd from OSF since it installs stuff as root
-      # by default.
-      for ac_prog in ginstall scoinst install; do
-        if test -f $ac_dir/$ac_prog; then
-	  if test $ac_prog = install &&
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-	    # AIX install.  It has an incompatible calling convention.
-	    :
-	  else
-	    ac_cv_path_install="$ac_dir/$ac_prog -c"
-	    break 2
-	  fi
-	fi
-      done
-      ;;
-    esac
-  done
-  IFS="$ac_save_IFS"
-
-fi
-  if test "${ac_cv_path_install+set}" = set; then
-    INSTALL="$ac_cv_path_install"
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-    # As a last resort, use the slow shell script.  We don't cache a
-    # path for INSTALL within a source directory, because that will
-    # break other packages using the cache if that directory is
-    # removed, or if the path is relative.
-    INSTALL="$ac_install_sh"
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-echo "$ac_t""$INSTALL" 1>&6
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-# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
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-test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
-
-test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
-
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-echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:1424: checking whether to enable maintainer-specific portions of Makefiles" >&5
-    # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
-if test "${enable_maintainer_mode+set}" = set; then
-  enableval="$enable_maintainer_mode"
-  USE_MAINTAINER_MODE=$enableval
-else
-  USE_MAINTAINER_MODE=no
-fi
-
-  echo "$ac_t""$USE_MAINTAINER_MODE" 1>&6
-  
-
-if test $USE_MAINTAINER_MODE = yes; then
-  MAINTAINER_MODE_TRUE=
-  MAINTAINER_MODE_FALSE='#'
-else
-  MAINTAINER_MODE_TRUE='#'
-  MAINTAINER_MODE_FALSE=
-fi
-  MAINT=$MAINTAINER_MODE_TRUE
-  
-
-
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-  
-
-echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1458: checking for executable suffix" >&5
-if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
-  ac_cv_exeext=.exe
-else
-  rm -f conftest*
-  echo 'int main () { return 0; }' > conftest.$ac_ext
-  ac_cv_exeext=
-  if { (eval echo configure:1468: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
-    for file in conftest.*; do
-      case $file in
-      *.c | *.o | *.obj) ;;
-      *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
-      esac
-    done
-  else
-    { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; }
-  fi
-  rm -f conftest*
-  test x"${ac_cv_exeext}" = x && ac_cv_exeext=no
-fi
-fi
-
-EXEEXT=""
-test x"${ac_cv_exeext}" != xno && EXEEXT=${ac_cv_exeext}
-echo "$ac_t""${ac_cv_exeext}" 1>&6
-ac_exeext=$EXEEXT
-
-fi
-
-. ${newlib_basedir}/configure.host
-
-newlib_cflags="${newlib_cflags} -fno-builtin"
-
-NEWLIB_CFLAGS=${newlib_cflags}
-
-
-LDFLAGS=${ldflags}
-
-
-
-
-if test x${newlib_elix_level} = x0; then
-  ELIX_LEVEL_0_TRUE=
-  ELIX_LEVEL_0_FALSE='#'
-else
-  ELIX_LEVEL_0_TRUE='#'
-  ELIX_LEVEL_0_FALSE=
-fi
-
-
-if test x${newlib_elix_level} = x1; then
-  ELIX_LEVEL_1_TRUE=
-  ELIX_LEVEL_1_FALSE='#'
-else
-  ELIX_LEVEL_1_TRUE='#'
-  ELIX_LEVEL_1_FALSE=
-fi
-
-
-if test x${newlib_elix_level} = x2; then
-  ELIX_LEVEL_2_TRUE=
-  ELIX_LEVEL_2_FALSE='#'
-else
-  ELIX_LEVEL_2_TRUE='#'
-  ELIX_LEVEL_2_FALSE=
-fi
-
-
-if test x${newlib_elix_level} = x3; then
-  ELIX_LEVEL_3_TRUE=
-  ELIX_LEVEL_3_FALSE='#'
-else
-  ELIX_LEVEL_3_TRUE='#'
-  ELIX_LEVEL_3_FALSE=
-fi
-
-
-if test x${newlib_elix_level} = x4; then
-  ELIX_LEVEL_4_TRUE=
-  ELIX_LEVEL_4_FALSE='#'
-else
-  ELIX_LEVEL_4_TRUE='#'
-  ELIX_LEVEL_4_FALSE=
-fi
-
-
-
-if test x${use_libtool} = xyes; then
-  USE_LIBTOOL_TRUE=
-  USE_LIBTOOL_FALSE='#'
-else
-  USE_LIBTOOL_TRUE='#'
-  USE_LIBTOOL_FALSE=
-fi
-
-# Hard-code OBJEXT.  Normally it is set by AC_OBJEXT, but we
-# use oext, which is set in configure.host based on the target platform.
-OBJEXT=${oext}
-
-
-
-
-
-
-
-
-
-
-trap '' 1 2 15
-cat > confcache <<\EOF
-# This file is a shell script that caches the results of configure
-# tests run on this system so they can be shared between configure
-# scripts and configure runs.  It is not useful on other systems.
-# If it contains results you don't want to keep, you may remove or edit it.
-#
-# By default, configure uses ./config.cache as the cache file,
-# creating it if it does not exist already.  You can give configure
-# the --cache-file=FILE option to use a different cache file; that is
-# what configure does when it calls configure scripts in
-# subdirectories, so they share the cache.
-# Giving --cache-file=/dev/null disables caching, for debugging configure.
-# config.status only pays attention to the cache file if you give it the
-# --recheck option to rerun configure.
-#
-EOF
-# The following way of writing the cache mishandles newlines in values,
-# but we know of no workaround that is simple, portable, and efficient.
-# So, don't put newlines in cache variables' values.
-# Ultrix sh set writes to stderr and can't be redirected directly,
-# and sets the high bit in the cache file unless we assign to the vars.
-(set) 2>&1 |
-  case `(ac_space=' '; set | grep ac_space) 2>&1` in
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-    # `set' does not quote correctly, so add quotes (double-quote substitution
-    # turns \\\\ into \\, and sed turns \\ into \).
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-    ;;
-  *)
-    # `set' quotes correctly as required by POSIX, so do not add quotes.
-    sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
-    ;;
-  esac >> confcache
-if cmp -s $cache_file confcache; then
-  :
-else
-  if test -w $cache_file; then
-    echo "updating cache $cache_file"
-    cat confcache > $cache_file
-  else
-    echo "not updating unwritable cache $cache_file"
-  fi
-fi
-rm -f confcache
-
-trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
-
-test "x$prefix" = xNONE && prefix=$ac_default_prefix
-# Let make expand exec_prefix.
-test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
-
-# Any assignment to VPATH causes Sun make to only execute
-# the first set of double-colon rules, so remove it if not needed.
-# If there is a colon in the path, we need to keep it.
-if test "x$srcdir" = x.; then
-  ac_vpsub='/^[ 	]*VPATH[ 	]*=[^:]*$/d'
-fi
-
-trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
-
-# Transform confdefs.h into DEFS.
-# Protect against shell expansion while executing Makefile rules.
-# Protect against Makefile macro expansion.
-cat > conftest.defs <<\EOF
-s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
-s%[ 	`~#$^&*(){}\\|;'"<>?]%\\&%g
-s%\[%\\&%g
-s%\]%\\&%g
-s%\$%$$%g
-EOF
-DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
-rm -f conftest.defs
-
-
-# Without the "./", some shells look in PATH for config.status.
-: ${CONFIG_STATUS=./config.status}
-
-echo creating $CONFIG_STATUS
-rm -f $CONFIG_STATUS
-cat > $CONFIG_STATUS <<EOF
-#! /bin/sh
-# Generated automatically by configure.
-# Run this file to recreate the current configuration.
-# This directory was configured as follows,
-# on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
-#
-# $0 $ac_configure_args
-#
-# Compiler output produced by configure, useful for debugging
-# configure, is in ./config.log if it exists.
-
-ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
-for ac_option
-do
-  case "\$ac_option" in
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-    echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
-    exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
-  -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.13"
-    exit 0 ;;
-  -help | --help | --hel | --he | --h)
-    echo "\$ac_cs_usage"; exit 0 ;;
-  *) echo "\$ac_cs_usage"; exit 1 ;;
-  esac
-done
-
-ac_given_srcdir=$srcdir
-ac_given_INSTALL="$INSTALL"
-
-trap 'rm -fr `echo "Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
-EOF
-cat >> $CONFIG_STATUS <<EOF
-
-# Protect against being on the right side of a sed subst in config.status.
-sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
- s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
-$ac_vpsub
-$extrasub
-s%@SHELL@%$SHELL%g
-s%@CFLAGS@%$CFLAGS%g
-s%@CPPFLAGS@%$CPPFLAGS%g
-s%@CXXFLAGS@%$CXXFLAGS%g
-s%@FFLAGS@%$FFLAGS%g
-s%@DEFS@%$DEFS%g
-s%@LDFLAGS@%$LDFLAGS%g
-s%@LIBS@%$LIBS%g
-s%@exec_prefix@%$exec_prefix%g
-s%@prefix@%$prefix%g
-s%@program_transform_name@%$program_transform_name%g
-s%@bindir@%$bindir%g
-s%@sbindir@%$sbindir%g
-s%@libexecdir@%$libexecdir%g
-s%@datadir@%$datadir%g
-s%@sysconfdir@%$sysconfdir%g
-s%@sharedstatedir@%$sharedstatedir%g
-s%@localstatedir@%$localstatedir%g
-s%@libdir@%$libdir%g
-s%@includedir@%$includedir%g
-s%@oldincludedir@%$oldincludedir%g
-s%@infodir@%$infodir%g
-s%@mandir@%$mandir%g
-s%@MAY_SUPPLY_SYSCALLS_TRUE@%$MAY_SUPPLY_SYSCALLS_TRUE%g
-s%@MAY_SUPPLY_SYSCALLS_FALSE@%$MAY_SUPPLY_SYSCALLS_FALSE%g
-s%@newlib_basedir@%$newlib_basedir%g
-s%@host@%$host%g
-s%@host_alias@%$host_alias%g
-s%@host_cpu@%$host_cpu%g
-s%@host_vendor@%$host_vendor%g
-s%@host_os@%$host_os%g
-s%@target@%$target%g
-s%@target_alias@%$target_alias%g
-s%@target_cpu@%$target_cpu%g
-s%@target_vendor@%$target_vendor%g
-s%@target_os@%$target_os%g
-s%@build@%$build%g
-s%@build_alias@%$build_alias%g
-s%@build_cpu@%$build_cpu%g
-s%@build_vendor@%$build_vendor%g
-s%@build_os@%$build_os%g
-s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
-s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
-s%@INSTALL_DATA@%$INSTALL_DATA%g
-s%@PACKAGE@%$PACKAGE%g
-s%@VERSION@%$VERSION%g
-s%@ACLOCAL@%$ACLOCAL%g
-s%@AUTOCONF@%$AUTOCONF%g
-s%@AUTOMAKE@%$AUTOMAKE%g
-s%@AUTOHEADER@%$AUTOHEADER%g
-s%@MAKEINFO@%$MAKEINFO%g
-s%@SET_MAKE@%$SET_MAKE%g
-s%@CC@%$CC%g
-s%@AS@%$AS%g
-s%@AR@%$AR%g
-s%@RANLIB@%$RANLIB%g
-s%@MAINTAINER_MODE_TRUE@%$MAINTAINER_MODE_TRUE%g
-s%@MAINTAINER_MODE_FALSE@%$MAINTAINER_MODE_FALSE%g
-s%@MAINT@%$MAINT%g
-s%@EXEEXT@%$EXEEXT%g
-s%@NEWLIB_CFLAGS@%$NEWLIB_CFLAGS%g
-s%@ELIX_LEVEL_0_TRUE@%$ELIX_LEVEL_0_TRUE%g
-s%@ELIX_LEVEL_0_FALSE@%$ELIX_LEVEL_0_FALSE%g
-s%@ELIX_LEVEL_1_TRUE@%$ELIX_LEVEL_1_TRUE%g
-s%@ELIX_LEVEL_1_FALSE@%$ELIX_LEVEL_1_FALSE%g
-s%@ELIX_LEVEL_2_TRUE@%$ELIX_LEVEL_2_TRUE%g
-s%@ELIX_LEVEL_2_FALSE@%$ELIX_LEVEL_2_FALSE%g
-s%@ELIX_LEVEL_3_TRUE@%$ELIX_LEVEL_3_TRUE%g
-s%@ELIX_LEVEL_3_FALSE@%$ELIX_LEVEL_3_FALSE%g
-s%@ELIX_LEVEL_4_TRUE@%$ELIX_LEVEL_4_TRUE%g
-s%@ELIX_LEVEL_4_FALSE@%$ELIX_LEVEL_4_FALSE%g
-s%@USE_LIBTOOL_TRUE@%$USE_LIBTOOL_TRUE%g
-s%@USE_LIBTOOL_FALSE@%$USE_LIBTOOL_FALSE%g
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-s%@oext@%$oext%g
-s%@aext@%$aext%g
-s%@libm_machine_dir@%$libm_machine_dir%g
-s%@machine_dir@%$machine_dir%g
-s%@sys_dir@%$sys_dir%g
-
-CEOF
-EOF
-
-cat >> $CONFIG_STATUS <<\EOF
-
-# Split the substitutions into bite-sized pieces for seds with
-# small command number limits, like on Digital OSF/1 and HP-UX.
-ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
-ac_file=1 # Number of current file.
-ac_beg=1 # First line for current file.
-ac_end=$ac_max_sed_cmds # Line after last line for current file.
-ac_more_lines=:
-ac_sed_cmds=""
-while $ac_more_lines; do
-  if test $ac_beg -gt 1; then
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-  else
-    sed "${ac_end}q" conftest.subs > conftest.s$ac_file
-  fi
-  if test ! -s conftest.s$ac_file; then
-    ac_more_lines=false
-    rm -f conftest.s$ac_file
-  else
-    if test -z "$ac_sed_cmds"; then
-      ac_sed_cmds="sed -f conftest.s$ac_file"
-    else
-      ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file"
-    fi
-    ac_file=`expr $ac_file + 1`
-    ac_beg=$ac_end
-    ac_end=`expr $ac_end + $ac_max_sed_cmds`
-  fi
-done
-if test -z "$ac_sed_cmds"; then
-  ac_sed_cmds=cat
-fi
-EOF
-
-cat >> $CONFIG_STATUS <<EOF
-
-CONFIG_FILES=\${CONFIG_FILES-"Makefile"}
-EOF
-cat >> $CONFIG_STATUS <<\EOF
-for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
-  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
-  case "$ac_file" in
-  *:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
-       ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
-  *) ac_file_in="${ac_file}.in" ;;
-  esac
-
-  # Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.
-
-  # Remove last slash and all that follows it.  Not all systems have dirname.
-  ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
-  if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
-    # The file is in a subdirectory.
-    test ! -d "$ac_dir" && mkdir "$ac_dir"
-    ac_dir_suffix="/`echo $ac_dir|sed 's%^\./%%'`"
-    # A "../" for each directory in $ac_dir_suffix.
-    ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
-  else
-    ac_dir_suffix= ac_dots=
-  fi
-
-  case "$ac_given_srcdir" in
-  .)  srcdir=.
-      if test -z "$ac_dots"; then top_srcdir=.
-      else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
-  /*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
-  *) # Relative path.
-    srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
-    top_srcdir="$ac_dots$ac_given_srcdir" ;;
-  esac
-
-  case "$ac_given_INSTALL" in
-  [/$]*) INSTALL="$ac_given_INSTALL" ;;
-  *) INSTALL="$ac_dots$ac_given_INSTALL" ;;
-  esac
-
-  echo creating "$ac_file"
-  rm -f "$ac_file"
-  configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
-  case "$ac_file" in
-  *Makefile*) ac_comsub="1i\\
-# $configure_input" ;;
-  *) ac_comsub= ;;
-  esac
-
-  ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
-  sed -e "$ac_comsub
-s%@configure_input@%$configure_input%g
-s%@srcdir@%$srcdir%g
-s%@top_srcdir@%$top_srcdir%g
-s%@INSTALL@%$INSTALL%g
-" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file
-fi; done
-rm -f conftest.s*
-
-EOF
-cat >> $CONFIG_STATUS <<EOF
-
-EOF
-cat >> $CONFIG_STATUS <<\EOF
-
-exit 0
-EOF
-chmod +x $CONFIG_STATUS
-rm -fr confdefs* $ac_clean_files
-test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
-
diff --git a/newlib/libc/sys/cygwin/configure.in b/newlib/libc/sys/cygwin/configure.in
deleted file mode 100644
index d720a90b9..000000000
--- a/newlib/libc/sys/cygwin/configure.in
+++ /dev/null
@@ -1,12 +0,0 @@
-dnl This is the newlib/libc/sys/arm configure.in file.
-dnl Process this file with autoconf to produce a configure script.
-
-AC_PREREQ(2.5)
-AC_INIT(dummy.c)
-
-dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. 
-AC_CONFIG_AUX_DIR(../../../..)
-
-NEWLIB_CONFIGURE(../../..)
-
-AC_OUTPUT(Makefile)
diff --git a/newlib/libc/sys/cygwin/dummy.c b/newlib/libc/sys/cygwin/dummy.c
deleted file mode 100644
index 087f0aeb9..000000000
--- a/newlib/libc/sys/cygwin/dummy.c
+++ /dev/null
@@ -1 +0,0 @@
-/* Empty stub to allow Cygwin to build something in lib.a */
diff --git a/newlib/libc/sys/cygwin/sys/reent.h b/newlib/libc/sys/cygwin/sys/reent.h
deleted file mode 100644
index a216c2434..000000000
--- a/newlib/libc/sys/cygwin/sys/reent.h
+++ /dev/null
@@ -1,814 +0,0 @@
-/* This header file provides the reentrancy.  */
-
-/* WARNING: All identifiers here must begin with an underscore.  This file is
-   included by stdio.h and others and we therefore must only use identifiers
-   in the namespace allotted to us.  */
-
-#ifndef _SYS_REENT_H_
-#ifdef __cplusplus
-extern "C" {
-#endif
-#define _SYS_REENT_H_
-
-#include <_ansi.h>
-#include <sys/_types.h>
-
-#ifndef __Long
-#if __LONG_MAX__ == 2147483647L
-#define __Long long
-typedef unsigned __Long __ULong;
-#elif __INT_MAX__ == 2147483647
-#define __Long int
-typedef unsigned __Long __ULong;
-#endif
-#endif
-
-#if !defined( __Long)
-#include <sys/types.h>
-#endif
-
-#ifndef __Long
-#define __Long __int32_t
-typedef __uint32_t __ULong;
-#endif
-
-/*
- * If _REENT_SMALL is defined, we make struct _reent as small as possible,
- * by having nearly everything possible allocated at first use.
- */
-
-struct _Bigint 
-{
-  struct _Bigint *_next;
-  int _k, _maxwds, _sign, _wds;
-  __ULong _x[1];
-};
-
-/* needed by reentrant structure */
-struct __tm
-{
-  int   __tm_sec;
-  int   __tm_min;
-  int   __tm_hour;
-  int   __tm_mday;
-  int   __tm_mon;
-  int   __tm_year;
-  int   __tm_wday;
-  int   __tm_yday;
-  int   __tm_isdst;
-};
-
-/*
- * atexit() support.  For _REENT_SMALL, we limit to 32 max.
- */
-
-#define	_ATEXIT_SIZE 32	/* must be at least 32 to guarantee ANSI conformance */
-
-struct _on_exit_args {
-	void *  _fnargs[_ATEXIT_SIZE];	        /* fn args for on_exit */
-	__ULong _fntypes;           	        /* type of exit routine -
-						   Must have at least _ATEXIT_SIZE bits */
-};
-
-#ifdef _REENT_SMALL
-struct _atexit {
-	int	_ind;				/* next index in this table */
-	void	(*_fns[_ATEXIT_SIZE])(void);	/* the table itself */
-        struct _on_exit_args * _on_exit_args_ptr;
-};
-#else
-struct _atexit {
-	struct	_atexit *_next;			/* next in list */
-	int	_ind;				/* next index in this table */
-	void	(*_fns[_ATEXIT_SIZE])(void);	/* the table itself */
-        struct _on_exit_args _on_exit_args;
-};
-#endif
-
-/*
- * Stdio buffers.
- *
- * This and __FILE are defined here because we need them for struct _reent,
- * but we don't want stdio.h included when stdlib.h is.
- */
-
-struct __sbuf {
-	unsigned char *_base;
-	int	_size;
-};
-
-/*
- * We need fpos_t for the following, but it doesn't have a leading "_",
- * so we use _fpos_t instead.
- */
-
-typedef long _fpos_t;		/* XXX must match off_t in <sys/types.h> */
-				/* (and must be `long' for now) */
-
-#ifdef __LARGE64_FILES
-typedef _off64_t _fpos64_t;
-#endif
-
-/*
- * Stdio state variables.
- *
- * The following always hold:
- *
- *	if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
- *		_lbfsize is -_bf._size, else _lbfsize is 0
- *	if _flags&__SRD, _w is 0
- *	if _flags&__SWR, _r is 0
- *
- * This ensures that the getc and putc macros (or inline functions) never
- * try to write or read from a file that is in `read' or `write' mode.
- * (Moreover, they can, and do, automatically switch from read mode to
- * write mode, and back, on "r+" and "w+" files.)
- *
- * _lbfsize is used only to make the inline line-buffered output stream
- * code as compact as possible.
- *
- * _ub, _up, and _ur are used when ungetc() pushes back more characters
- * than fit in the current _bf, or when ungetc() pushes back a character
- * that does not match the previous one in _bf.  When this happens,
- * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
- * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
- */
-
-#ifdef _REENT_SMALL
-/*
- * struct __sFILE_fake is the start of a struct __sFILE, with only the
- * minimal fields allocated.  In __sinit() we really allocate the 3
- * standard streams, etc., and point away from this fake.
- */
-struct __sFILE_fake {
-  unsigned char *_p;	/* current position in (some) buffer */
-  int	_r;		/* read space left for getc() */
-  int	_w;		/* write space left for putc() */
-  short	_flags;		/* flags, below; this FILE is free if 0 */
-  short	_file;		/* fileno, if Unix descriptor, else -1 */
-  struct __sbuf _bf;	/* the buffer (at least 1 byte, if !NULL) */
-  int	_lbfsize;	/* 0 or -_bf._size, for inline putc */
-
-  struct _reent *_data;
-};
-/* CHECK_INIT() comes from stdio/local.h; be sure to include that.  */
-# define _REENT_SMALL_CHECK_INIT(fp) CHECK_INIT(fp)
-#else
-# define _REENT_SMALL_CHECK_INIT(fp) /* nothing */
-#endif
-
-struct __sFILE {
-  unsigned char *_p;	/* current position in (some) buffer */
-  int	_r;		/* read space left for getc() */
-  int	_w;		/* write space left for putc() */
-  short	_flags;		/* flags, below; this FILE is free if 0 */
-  short	_file;		/* fileno, if Unix descriptor, else -1 */
-  struct __sbuf _bf;	/* the buffer (at least 1 byte, if !NULL) */
-  int	_lbfsize;	/* 0 or -_bf._size, for inline putc */
-
-#ifdef _REENT_SMALL
-  struct _reent *_data;
-#endif
-
-  /* operations */
-  _PTR	_cookie;	/* cookie passed to io functions */
-
-  _READ_WRITE_RETURN_TYPE _EXFUN((*_read),(_PTR _cookie, char *_buf, int _n));
-  _READ_WRITE_RETURN_TYPE _EXFUN((*_write),(_PTR _cookie, const char *_buf,
-					    int _n));
-  _fpos_t _EXFUN((*_seek),(_PTR _cookie, _fpos_t _offset, int _whence));
-  int	_EXFUN((*_close),(_PTR _cookie));
-
-  /* separate buffer for long sequences of ungetc() */
-  struct __sbuf _ub;	/* ungetc buffer */
-  unsigned char *_up;	/* saved _p when _p is doing ungetc data */
-  int	_ur;		/* saved _r when _r is counting ungetc data */
-
-  /* tricks to meet minimum requirements even when malloc() fails */
-  unsigned char _ubuf[3];	/* guarantee an ungetc() buffer */
-  unsigned char _nbuf[1];	/* guarantee a getc() buffer */
-
-  /* separate buffer for fgetline() when line crosses buffer boundary */
-  struct __sbuf _lb;	/* buffer for fgetline() */
-
-  /* Unix stdio files get aligned to block boundaries on fseek() */
-  int	_blksize;	/* stat.st_blksize (may be != _bf._size) */
-  int	_offset;	/* current lseek offset */
-
-#ifndef _REENT_SMALL
-  struct _reent *_data;	/* Here for binary compatibility? Remove? */
-#endif
-
-#ifndef __SINGLE_THREAD__
-  _flock_t _lock;	/* for thread-safety locking */
-#endif
-};
-
-#ifdef __LARGE64_FILES
-struct __sFILE64 {
-  unsigned char *_p;	/* current position in (some) buffer */
-  int	_r;		/* read space left for getc() */
-  int	_w;		/* write space left for putc() */
-  short	_flags;		/* flags, below; this FILE is free if 0 */
-  short	_file;		/* fileno, if Unix descriptor, else -1 */
-  struct __sbuf _bf;	/* the buffer (at least 1 byte, if !NULL) */
-  int	_lbfsize;	/* 0 or -_bf._size, for inline putc */
-
-  struct _reent *_data;
-
-  /* operations */
-  _PTR	_cookie;	/* cookie passed to io functions */
-
-  _READ_WRITE_RETURN_TYPE _EXFUN((*_read),(_PTR _cookie, char *_buf, int _n));
-  _READ_WRITE_RETURN_TYPE _EXFUN((*_write),(_PTR _cookie, const char *_buf,
-					    int _n));
-  _fpos_t _EXFUN((*_seek),(_PTR _cookie, _fpos_t _offset, int _whence));
-  int	_EXFUN((*_close),(_PTR _cookie));
-
-  /* separate buffer for long sequences of ungetc() */
-  struct __sbuf _ub;	/* ungetc buffer */
-  unsigned char *_up;	/* saved _p when _p is doing ungetc data */
-  int	_ur;		/* saved _r when _r is counting ungetc data */
-
-  /* tricks to meet minimum requirements even when malloc() fails */
-  unsigned char _ubuf[3];	/* guarantee an ungetc() buffer */
-  unsigned char _nbuf[1];	/* guarantee a getc() buffer */
-
-  /* separate buffer for fgetline() when line crosses buffer boundary */
-  struct __sbuf _lb;	/* buffer for fgetline() */
-
-  /* Unix stdio files get aligned to block boundaries on fseek() */
-  int	_blksize;	/* stat.st_blksize (may be != _bf._size) */
-  int   _flags2;        /* for future use */
-
-  _off64_t _offset;     /* current lseek offset */
-  _fpos64_t _EXFUN((*_seek64),(_PTR _cookie, _fpos64_t _offset, int _whence));
-
-#ifndef __SINGLE_THREAD__
-  _flock_t _lock;	/* for thread-safety locking */
-#endif
-};
-typedef struct __sFILE64 __FILE;
-#else
-typedef struct __sFILE   __FILE;
-#endif /* __LARGE64_FILES */
-
-struct _glue 
-{
-  struct _glue *_next;
-  int _niobs;
-  __FILE *_iobs;
-};
-
-/*
- * rand48 family support
- *
- * Copyright (c) 1993 Martin Birgmeier
- * All rights reserved.
- *
- * You may redistribute unmodified or modified versions of this source
- * code provided that the above copyright notice and this and the
- * following conditions are retained.
- *
- * This software is provided ``as is'', and comes with no warranties
- * of any kind. I shall in no event be liable for anything that happens
- * to anyone/anything when using this software.
- */
-#define        _RAND48_SEED_0  (0x330e)
-#define        _RAND48_SEED_1  (0xabcd)
-#define        _RAND48_SEED_2  (0x1234)
-#define        _RAND48_MULT_0  (0xe66d)
-#define        _RAND48_MULT_1  (0xdeec)
-#define        _RAND48_MULT_2  (0x0005)
-#define        _RAND48_ADD     (0x000b)
-struct _rand48 {
-  unsigned short _seed[3];
-  unsigned short _mult[3];
-  unsigned short _add;
-#ifdef _REENT_SMALL
-  /* Put this in here as well, for good luck.  */
-  __extension__ unsigned long long _rand_next;
-#endif
-};
-
-/* How big the some arrays are.  */
-#define _REENT_EMERGENCY_SIZE 25
-#define _REENT_ASCTIME_SIZE 26
-#define _REENT_SIGNAL_SIZE 24
-
-/*
- * struct _reent
- *
- * This structure contains *all* globals needed by the library.
- * It's raison d'etre is to facilitate threads by making all library routines
- * reentrant.  IE: All state information is contained here.
- */
-
-#ifdef _REENT_SMALL
-
-struct _mprec
-{
-  /* used by mprec routines */
-  struct _Bigint *_result;
-  int _result_k;
-  struct _Bigint *_p5s;
-  struct _Bigint **_freelist;
-};
-
-
-struct _misc_reent
-{
-  /* miscellaneous reentrant data */
-  char *_strtok_last;
-  _mbstate_t _mblen_state;
-  _mbstate_t _wctomb_state;
-  _mbstate_t _mbtowc_state;
-  char _l64a_buf[8];
-  int _getdate_err;
-  _mbstate_t _mbrlen_state;
-  _mbstate_t _mbrtowc_state;
-  _mbstate_t _mbsrtowcs_state;
-  _mbstate_t _wcrtomb_state;
-  _mbstate_t _wcsrtombs_state;
-};
-
-/* This version of _reent is layed our with "int"s in pairs, to help
- * ports with 16-bit int's but 32-bit pointers, align nicely.  */
-struct _reent
-{
-
-  /* FILE is a big struct and may change over time.  To try to achieve binary
-     compatibility with future versions, put stdin,stdout,stderr here.
-     These are pointers into member __sf defined below.  */
-  __FILE *_stdin, *_stdout, *_stderr;	/* XXX */
-
-  int _errno;			/* local copy of errno */
-
-  int  _inc;			/* used by tmpnam */
-
-  char *_emergency;
- 
-  int __sdidinit;		/* 1 means stdio has been init'd */
-
-  int _current_category;	/* used by setlocale */
-  _CONST char *_current_locale;
-
-  struct _mprec *_mp;
-
-  void _EXFUN((*__cleanup),(struct _reent *));
-
-  int _gamma_signgam;
-
-  /* used by some fp conversion routines */
-  int _cvtlen;			/* should be size_t */
-  char *_cvtbuf;
-
-  struct _rand48 *_r48;
-  struct __tm *_localtime_buf;
-  char *_asctime_buf;
-
-  /* signal info */
-  void (**(_sig_func))(int);
-
-  /* atexit stuff */
-  struct _atexit _atexit;
-
-  struct _glue __sglue;			/* root of glue chain */
-  __FILE *__sf;			        /* file descriptors */
-  struct __sFILE_fake __sf_fake;	/* fake initial stdin/out/err */
-  struct _misc_reent *_misc;            /* strtok, multibyte states */
-  char *_signal_buf;                    /* strsignal */
-};
-
-#define _REENT_INIT(var) \
-  { (__FILE *)&var.__sf_fake, \
-    (__FILE *)&var.__sf_fake, \
-    (__FILE *)&var.__sf_fake, \
-    0, \
-    0, \
-    _NULL, \
-    0, \
-    0, \
-    "C", \
-    _NULL, \
-    _NULL, \
-    0, \
-    0, \
-    _NULL, \
-    _NULL, \
-    _NULL, \
-    _NULL, \
-    _NULL, \
-    {0, {_NULL}, _NULL}, \
-    {_NULL, 0, _NULL}, \
-    _NULL, \
-    {_NULL, 0, 0, 0, 0, {_NULL, 0}, 0, _NULL}, \
-    _NULL, \
-    _NULL \
-  }
-
-#define _REENT_INIT_PTR(var) \
-  { var->_stdin = (__FILE *)&var->__sf_fake; \
-    var->_stdout = (__FILE *)&var->__sf_fake; \
-    var->_stderr = (__FILE *)&var->__sf_fake; \
-    var->_errno = 0; \
-    var->_inc = 0; \
-    var->_emergency = _NULL; \
-    var->__sdidinit = 0; \
-    var->_current_category = 0; \
-    var->_current_locale = "C"; \
-    var->_mp = _NULL; \
-    var->__cleanup = _NULL; \
-    var->_gamma_signgam = 0; \
-    var->_cvtlen = 0; \
-    var->_cvtbuf = _NULL; \
-    var->_r48 = _NULL; \
-    var->_localtime_buf = _NULL; \
-    var->_asctime_buf = _NULL; \
-    var->_sig_func = _NULL; \
-    var->_atexit._ind = 0; \
-    var->_atexit._fns[0] = _NULL; \
-    var->_atexit._on_exit_args = _NULL; \
-    var->__sglue._next = _NULL; \
-    var->__sglue._niobs = 0; \
-    var->__sglue._iobs = _NULL; \
-    var->__sf = 0; \
-    var->__sf_fake._p = _NULL; \
-    var->__sf_fake._r = 0; \
-    var->__sf_fake._w = 0; \
-    var->__sf_fake._flags = 0; \
-    var->__sf_fake._file = 0; \
-    var->__sf_fake._bf._base = _NULL; \
-    var->__sf_fake._bf._size = 0; \
-    var->__sf_fake._lbfsize = 0; \
-    var->__sf_fake._data = _NULL; \
-    var->_misc = _NULL; \
-    var->_signal_buf = _NULL; \
-  }
-
-/* Only built the assert() calls if we are built with debugging.  */
-#if DEBUG 
-#include <assert.h>
-#else
-#define assert(x) ((void)0)
-#endif
-
-/* Generic _REENT check macro.  */
-#define _REENT_CHECK(var, what, type, size, init) do { \
-  struct _reent *_r = (var); \
-  if (_r->what == NULL) { \
-    _r->what = (type)malloc(size); \
-    assert(_r->what); \
-    init; \
-  } \
-} while (0)
-
-#define _REENT_CHECK_TM(var) \
-  _REENT_CHECK(var, _localtime_buf, struct __tm *, sizeof *((var)->_localtime_buf), \
-    /* nothing */)
-
-#define _REENT_CHECK_ASCTIME_BUF(var) \
-  _REENT_CHECK(var, _asctime_buf, char *, _REENT_ASCTIME_SIZE, \
-    memset((var)->_asctime_buf, 0, _REENT_ASCTIME_SIZE))
-
-/* Handle the dynamically allocated rand48 structure. */
-#define _REENT_INIT_RAND48(var) do { \
-  struct _reent *_r = (var); \
-  _r->_r48->_seed[0] = _RAND48_SEED_0; \
-  _r->_r48->_seed[1] = _RAND48_SEED_1; \
-  _r->_r48->_seed[2] = _RAND48_SEED_2; \
-  _r->_r48->_mult[0] = _RAND48_MULT_0; \
-  _r->_r48->_mult[1] = _RAND48_MULT_1; \
-  _r->_r48->_mult[2] = _RAND48_MULT_2; \
-  _r->_r48->_add = _RAND48_ADD; \
-} while (0)
-#define _REENT_CHECK_RAND48(var) \
-  _REENT_CHECK(var, _r48, struct _rand48 *, sizeof *((var)->_r48), _REENT_INIT_RAND48((var)))
-
-#define _REENT_INIT_MP(var) do { \
-  struct _reent *_r = (var); \
-  _r->_mp->_result_k = 0; \
-  _r->_mp->_result = _r->_mp->_p5s = _NULL; \
-  _r->_mp->_freelist = _NULL; \
-} while (0)
-#define _REENT_CHECK_MP(var) \
-  _REENT_CHECK(var, _mp, struct _mprec *, sizeof *((var)->_mp), _REENT_INIT_MP(var))
-
-#define _REENT_CHECK_EMERGENCY(var) \
-  _REENT_CHECK(var, _emergency, char *, _REENT_EMERGENCY_SIZE, /* nothing */)
-
-#define _REENT_INIT_MISC(var) do { \
-  struct _reent *_r = (var); \
-  _r->_misc->_strtok_last = _NULL; \
-  _r->_misc->_mblen_state.__count = 0; \
-  _r->_misc->_mblen_state.__value.__wch = 0; \
-  _r->_misc->_wctomb_state.__count = 0; \
-  _r->_misc->_wctomb_state.__value.__wch = 0; \
-  _r->_misc->_mbtowc_state.__count = 0; \
-  _r->_misc->_mbtowc_state.__value.__wch = 0; \
-  _r->_misc->_mbrlen_state.__count = 0; \
-  _r->_misc->_mbrlen_state.__value.__wch = 0; \
-  _r->_misc->_mbrtowc_state.__count = 0; \
-  _r->_misc->_mbrtowc_state.__value.__wch = 0; \
-  _r->_misc->_mbsrtowcs_state.__count = 0; \
-  _r->_misc->_mbsrtowcs_state.__value.__wch = 0; \
-  _r->_misc->_wcrtomb_state.__count = 0; \
-  _r->_misc->_wcrtomb_state.__value.__wch = 0; \
-  _r->_misc->_wcsrtombs_state.__count = 0; \
-  _r->_misc->_wcsrtombs_state.__value.__wch = 0; \
-  _r->_misc->_l64a_buf[0] = '\0'; \
-  _r->_misc->_getdate_err = 0; \
-} while (0)
-#define _REENT_CHECK_MISC(var) \
-  _REENT_CHECK(var, _misc, struct _misc_reent *, sizeof *((var)->_misc), _REENT_INIT_MISC(var))
-
-#define _REENT_CHECK_SIGNAL_BUF(var) \
-  _REENT_CHECK(var, _signal_buf, char *, _REENT_SIGNAL_SIZE, /* nothing */)
-
-#define _REENT_SIGNGAM(ptr)	((ptr)->_gamma_signgam)
-#define _REENT_RAND_NEXT(ptr)	((ptr)->_r48->_rand_next)
-#define _REENT_RAND48_SEED(ptr)	((ptr)->_r48->_seed)
-#define _REENT_RAND48_MULT(ptr)	((ptr)->_r48->_mult)
-#define _REENT_RAND48_ADD(ptr)	((ptr)->_r48->_add)
-#define _REENT_MP_RESULT(ptr)	((ptr)->_mp->_result)
-#define _REENT_MP_RESULT_K(ptr)	((ptr)->_mp->_result_k)
-#define _REENT_MP_P5S(ptr)	((ptr)->_mp->_p5s)
-#define _REENT_MP_FREELIST(ptr)	((ptr)->_mp->_freelist)
-#define _REENT_ASCTIME_BUF(ptr)	((ptr)->_asctime_buf)
-#define _REENT_TM(ptr)		((ptr)->_localtime_buf)
-#define _REENT_EMERGENCY(ptr)	((ptr)->_emergency)
-#define _REENT_STRTOK_LAST(ptr)	((ptr)->_misc->_strtok_last)
-#define _REENT_MBLEN_STATE(ptr)	((ptr)->_misc->_mblen_state)
-#define _REENT_MBTOWC_STATE(ptr)((ptr)->_misc->_mbtowc_state)
-#define _REENT_WCTOMB_STATE(ptr)((ptr)->_misc->_wctomb_state)
-#define _REENT_MBRLEN_STATE(ptr) ((ptr)->_misc->_mbrlen_state)
-#define _REENT_MBRTOWC_STATE(ptr) ((ptr)->_misc->_mbrtowc_state)
-#define _REENT_MBSRTOWCS_STATE(ptr) ((ptr)->_misc->_mbsrtowcs_state)
-#define _REENT_WCRTOMB_STATE(ptr) ((ptr)->_misc->_wcrtomb_state)
-#define _REENT_WCSRTOMBS_STATE(ptr) ((ptr)->_misc->_wcsrtombs_state)
-#define _REENT_L64A_BUF(ptr)    ((ptr)->_misc->_l64a_buf)
-#define _REENT_GETDATE_ERR_P(ptr) (&((ptr)->_misc->_getdate_err))
-#define _REENT_SIGNAL_BUF(ptr)  ((ptr)->_signal_buf)
-
-#else /* !_REENT_SMALL */
-
-struct _reent
-{
-  int _errno;			/* local copy of errno */
-
-  /* FILE is a big struct and may change over time.  To try to achieve binary
-     compatibility with future versions, put stdin,stdout,stderr here.
-     These are pointers into member __sf defined below.  */
-  __FILE *_stdin, *_stdout, *_stderr;
-
-  int  _inc;			/* used by tmpnam */
-  char _emergency[_REENT_EMERGENCY_SIZE];
- 
-  int _current_category;	/* used by setlocale */
-  _CONST char *_current_locale;
-
-  int __sdidinit;		/* 1 means stdio has been init'd */
-
-  void _EXFUN((*__cleanup),(struct _reent *));
-
-  /* used by mprec routines */
-  struct _Bigint *_result;
-  int _result_k;
-  struct _Bigint *_p5s;
-  struct _Bigint **_freelist;
-
-  /* used by some fp conversion routines */
-  int _cvtlen;			/* should be size_t */
-  char *_cvtbuf;
-
-  union
-    {
-      struct
-        {
-          unsigned int _unused_rand;
-          char * _strtok_last;
-          char _asctime_buf[_REENT_ASCTIME_SIZE];
-          struct __tm _localtime_buf;
-          int _gamma_signgam;
-          __extension__ unsigned long long _rand_next;
-          struct _rand48 _r48;
-          _mbstate_t _mblen_state;
-          _mbstate_t _mbtowc_state;
-          _mbstate_t _wctomb_state;
-          char _l64a_buf[8];
-          char _signal_buf[_REENT_SIGNAL_SIZE];
-          int _getdate_err;  
-          _mbstate_t _mbrlen_state;
-          _mbstate_t _mbrtowc_state;
-          _mbstate_t _mbsrtowcs_state;
-          _mbstate_t _wcrtomb_state;
-          _mbstate_t _wcsrtombs_state;
-        } _reent;
-  /* Two next two fields were once used by malloc.  They are no longer
-     used. They are used to preserve the space used before so as to
-     allow addition of new reent fields and keep binary compatibility.   */ 
-      struct
-        {
-#define _N_LISTS 30
-          unsigned char * _nextf[_N_LISTS];
-          unsigned int _nmalloc[_N_LISTS];
-        } _unused;
-    } _new;
-
-  /* atexit stuff */
-  struct _atexit *_atexit;	/* points to head of LIFO stack */
-  struct _atexit _atexit0;	/* one guaranteed table, required by ANSI */
-
-  /* signal info */
-  void (**(_sig_func))(int);
-
-  /* These are here last so that __FILE can grow without changing the offsets
-     of the above members (on the off chance that future binary compatibility
-     would be broken otherwise).  */
-  struct _glue __sglue;		/* root of glue chain */
-  __FILE __sf[3];  		/* first three file descriptors */
-};
-
-#define _REENT_INIT(var) \
-  { 0, \
-    &var.__sf[0], \
-    &var.__sf[1], \
-    &var.__sf[2], \
-    0, \
-    "", \
-    0, \
-    "C", \
-    0, \
-    _NULL, \
-    _NULL, \
-    0, \
-    _NULL, \
-    _NULL, \
-    0, \
-    _NULL, \
-    { \
-      { \
-        0, \
-        _NULL, \
-        "", \
-        {0, 0, 0, 0, 0, 0, 0, 0, 0}, \
-        0, \
-        1, \
-        { \
-          {_RAND48_SEED_0, _RAND48_SEED_1, _RAND48_SEED_2}, \
-          {_RAND48_MULT_0, _RAND48_MULT_1, _RAND48_MULT_2}, \
-          _RAND48_ADD \
-        }, \
-        {0, {0}}, \
-        {0, {0}}, \
-        {0, {0}}, \
-        "", \
-        "", \
-        0, \
-        {0, {0}}, \
-        {0, {0}}, \
-        {0, {0}}, \
-        {0, {0}}, \
-        {0, {0}} \
-      } \
-    }, \
-    _NULL, \
-    {_NULL, 0, {_NULL}, {{_NULL}, 0}}, \
-    _NULL, \
-    {_NULL, 0, _NULL} \
-  }
-
-#define _REENT_INIT_PTR(var) \
-  { var->_errno = 0; \
-    var->_stdin = &var->__sf[0]; \
-    var->_stdout = &var->__sf[1]; \
-    var->_stderr = &var->__sf[2]; \
-    var->_inc = 0; \
-    memset(&var->_emergency, 0, sizeof(var->_emergency)); \
-    var->_current_category = 0; \
-    var->_current_locale = "C"; \
-    var->__sdidinit = 0; \
-    var->__cleanup = _NULL; \
-    var->_result = _NULL; \
-    var->_result_k = 0; \
-    var->_p5s = _NULL; \
-    var->_freelist = _NULL; \
-    var->_cvtlen = 0; \
-    var->_cvtbuf = _NULL; \
-    var->_new._reent._unused_rand = 0; \
-    var->_new._reent._strtok_last = _NULL; \
-    var->_new._reent._asctime_buf[0] = 0; \
-    memset(&var->_new._reent._localtime_buf, 0, sizeof(var->_new._reent._localtime_buf)); \
-    var->_new._reent._gamma_signgam = 0; \
-    var->_new._reent._rand_next = 1; \
-    var->_new._reent._r48._seed[0] = _RAND48_SEED_0; \
-    var->_new._reent._r48._seed[1] = _RAND48_SEED_1; \
-    var->_new._reent._r48._seed[2] = _RAND48_SEED_2; \
-    var->_new._reent._r48._mult[0] = _RAND48_MULT_0; \
-    var->_new._reent._r48._mult[1] = _RAND48_MULT_1; \
-    var->_new._reent._r48._mult[2] = _RAND48_MULT_2; \
-    var->_new._reent._r48._add = _RAND48_ADD; \
-    var->_new._reent._mblen_state.__count = 0; \
-    var->_new._reent._mblen_state.__value.__wch = 0; \
-    var->_new._reent._mbtowc_state.__count = 0; \
-    var->_new._reent._mbtowc_state.__value.__wch = 0; \
-    var->_new._reent._wctomb_state.__count = 0; \
-    var->_new._reent._wctomb_state.__value.__wch = 0; \
-    var->_new._reent._mbrlen_state.__count = 0; \
-    var->_new._reent._mbrlen_state.__value.__wch = 0; \
-    var->_new._reent._mbrtowc_state.__count = 0; \
-    var->_new._reent._mbrtowc_state.__value.__wch = 0; \
-    var->_new._reent._mbsrtowcs_state.__count = 0; \
-    var->_new._reent._mbsrtowcs_state.__value.__wch = 0; \
-    var->_new._reent._wcrtomb_state.__count = 0; \
-    var->_new._reent._wcrtomb_state.__value.__wch = 0; \
-    var->_new._reent._wcsrtombs_state.__count = 0; \
-    var->_new._reent._wcsrtombs_state.__value.__wch = 0; \
-    var->_new._reent._l64a_buf[0] = '\0'; \
-    var->_new._reent._signal_buf[0] = '\0'; \
-    var->_new._reent._getdate_err = 0; \
-    var->_atexit = _NULL; \
-    var->_atexit0._next = _NULL; \
-    var->_atexit0._ind = 0; \
-    var->_atexit0._fns[0] = _NULL; \
-    var->_atexit0._on_exit_args._fntypes = 0; \
-    var->_atexit0._on_exit_args._fnargs[0] = _NULL; \
-    var->_sig_func = _NULL; \
-    var->__sglue._next = _NULL; \
-    var->__sglue._niobs = 0; \
-    var->__sglue._iobs = _NULL; \
-    memset(&var->__sf, 0, sizeof(var->__sf)); \
-  }
-
-#define _REENT_CHECK_RAND48(ptr)	/* nothing */
-#define _REENT_CHECK_MP(ptr)		/* nothing */
-#define _REENT_CHECK_TM(ptr)		/* nothing */
-#define _REENT_CHECK_ASCTIME_BUF(ptr)	/* nothing */
-#define _REENT_CHECK_EMERGENCY(ptr)	/* nothing */
-#define _REENT_CHECK_MISC(ptr)	        /* nothing */
-#define _REENT_CHECK_SIGNAL_BUF(ptr)	/* nothing */
-
-#define _REENT_SIGNGAM(ptr)	((ptr)->_new._reent._gamma_signgam)
-#define _REENT_RAND_NEXT(ptr)	((ptr)->_new._reent._rand_next)
-#define _REENT_RAND48_SEED(ptr)	((ptr)->_new._reent._r48._seed)
-#define _REENT_RAND48_MULT(ptr)	((ptr)->_new._reent._r48._mult)
-#define _REENT_RAND48_ADD(ptr)	((ptr)->_new._reent._r48._add)
-#define _REENT_MP_RESULT(ptr)	((ptr)->_result)
-#define _REENT_MP_RESULT_K(ptr)	((ptr)->_result_k)
-#define _REENT_MP_P5S(ptr)	((ptr)->_p5s)
-#define _REENT_MP_FREELIST(ptr)	((ptr)->_freelist)
-#define _REENT_ASCTIME_BUF(ptr)	((ptr)->_new._reent._asctime_buf)
-#define _REENT_TM(ptr)		(&(ptr)->_new._reent._localtime_buf)
-#define _REENT_EMERGENCY(ptr)	((ptr)->_emergency)
-#define _REENT_STRTOK_LAST(ptr)	((ptr)->_new._reent._strtok_last)
-#define _REENT_MBLEN_STATE(ptr)	((ptr)->_new._reent._mblen_state)
-#define _REENT_MBTOWC_STATE(ptr)((ptr)->_new._reent._mbtowc_state)
-#define _REENT_WCTOMB_STATE(ptr)((ptr)->_new._reent._wctomb_state)
-#define _REENT_MBRLEN_STATE(ptr)((ptr)->_new._reent._mbrlen_state)
-#define _REENT_MBRTOWC_STATE(ptr)((ptr)->_new._reent._mbrtowc_state)
-#define _REENT_MBSRTOWCS_STATE(ptr)((ptr)->_new._reent._mbsrtowcs_state)
-#define _REENT_WCRTOMB_STATE(ptr)((ptr)->_new._reent._wcrtomb_state)
-#define _REENT_WCSRTOMBS_STATE(ptr)((ptr)->_new._reent._wcsrtombs_state)
-#define _REENT_L64A_BUF(ptr)    ((ptr)->_new._reent._l64a_buf)
-#define _REENT_SIGNAL_BUF(ptr)  ((ptr)->_new._reent._signal_buf)
-#define _REENT_GETDATE_ERR_P(ptr) (&((ptr)->_new._reent._getdate_err))
-
-#endif /* !_REENT_SMALL */
-
-#define _NULL 0
-
-/*
- * All references to struct _reent are via this pointer.
- * Internally, newlib routines that need to reference it should use _REENT.
- */
-
-#ifndef __ATTRIBUTE_IMPURE_PTR__
-#define __ATTRIBUTE_IMPURE_PTR__
-#endif
-
-extern struct _reent *_impure_ptr __ATTRIBUTE_IMPURE_PTR__;
-extern struct _reent *_CONST _global_impure_ptr __ATTRIBUTE_IMPURE_PTR__;
-
-void _reclaim_reent _PARAMS ((struct _reent *));
-
-/* #define _REENT_ONLY define this to get only reentrant routines */
-
-#ifndef _REENT_ONLY
-
-#if defined(__DYNAMIC_REENT__) && !defined(__SINGLE_THREAD__)
-#ifndef __getreent
-  struct _reent * _EXFUN(__getreent, (void));
-#endif
-# define _REENT (__getreent())
-#else /* __SINGLE_THREAD__ || !__DYNAMIC_REENT__ */
-# define _REENT _impure_ptr
-#endif /* __SINGLE_THREAD__ || !__DYNAMIC_REENT__ */
-
-#endif /* !_REENT_ONLY */
-
-#define _GLOBAL_REENT _impure_ptr
-
-#ifdef __cplusplus
-}
-#endif
-#endif /* _SYS_REENT_H_ */