Gcc 3.1.0 pre-release's C++ support bits from the FSF anoncvs repo

on 9-May-2002 15:57:15 EDT.

9 files changed, 1228 insertions, 0 deletions

diff --git a/contrib/libstdc++/libmath/Makefile.am b/contrib/libstdc++/libmath/Makefile.am
new file mode 100644
index 0000000..27d76e9
--- /dev/null
+++ b/contrib/libstdc++/libmath/Makefile.am
@@ -0,0 +1,45 @@
+## Makefile for the math subdirectory of the GNU C++ Standard library.
+##
+## Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 
+## Free Software Foundation, Inc.
+##
+## This file is part of the libstdc++ version 3 distribution.
+## Process this file with automake to produce Makefile.in.
+
+## This file is part of the GNU ISO C++ Library.  This library is free
+## software; you can redistribute it and/or modify it under the
+## terms of the GNU General Public License as published by the
+## Free Software Foundation; either version 2, or (at your option)
+## any later version.
+
+## This library is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+
+## You should have received a copy of the GNU General Public License along
+## with this library; see the file COPYING.  If not, write to the Free
+## Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+## USA.
+
+AUTOMAKE_OPTIONS = 1.3 cygnus
+
+mkinstalldirs = $(SHELL) $(toplevel_srcdir)/mkinstalldirs
+
+noinst_LTLIBRARIES = libmath.la
+
+libmath_la_LIBADD = @LIBMATHOBJS@ 
+
+libmath_la_DEPENDENCIES = $(libmath_la_LIBADD)
+
+libmath_la_SOURCES = stubs.c
+
+LINK = \
+	$(LIBTOOL) --tag CC --mode=link "$(CCLD)" \
+	$(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
+
+# Use common includes from acinclude.m4/GLIBCPP_EXPORT_INCLUDES
+TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
+
+INCLUDES = \
+	$(TOPLEVEL_INCLUDES) 
diff --git a/contrib/libstdc++/libmath/Makefile.in b/contrib/libstdc++/libmath/Makefile.in
new file mode 100644
index 0000000..4ac55ad
--- /dev/null
+++ b/contrib/libstdc++/libmath/Makefile.in
@@ -0,0 +1,393 @@
+# Makefile.in generated automatically by automake 1.4-p5 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@
+ATOMICITY_INC_SRCDIR = @ATOMICITY_INC_SRCDIR@
+AWK = @AWK@
+BASIC_FILE_H = @BASIC_FILE_H@
+BUILD_INCLUDED_LIBINTL = @BUILD_INCLUDED_LIBINTL@
+CATALOGS = @CATALOGS@
+CATOBJEXT = @CATOBJEXT@
+CC = @CC@
+CCODECVT_C = @CCODECVT_C@
+CCODECVT_H = @CCODECVT_H@
+CLOCALE_H = @CLOCALE_H@
+CMESSAGES_H = @CMESSAGES_H@
+CPP = @CPP@
+CPU_LIMITS_INC_SRCDIR = @CPU_LIMITS_INC_SRCDIR@
+CSHADOW_FLAGS = @CSHADOW_FLAGS@
+CSTDIO_H = @CSTDIO_H@
+CXX = @CXX@
+CXXCPP = @CXXCPP@
+C_INCLUDE_DIR = @C_INCLUDE_DIR@
+DATADIRNAME = @DATADIRNAME@
+DEBUG_FLAGS = @DEBUG_FLAGS@
+DLLTOOL = @DLLTOOL@
+EXEEXT = @EXEEXT@
+EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
+GCJ = @GCJ@
+GCJFLAGS = @GCJFLAGS@
+GENCAT = @GENCAT@
+GLIBC21 = @GLIBC21@
+GLIBCPP_INCLUDES = @GLIBCPP_INCLUDES@
+GLIBCPP_IS_CROSS_COMPILING = @GLIBCPP_IS_CROSS_COMPILING@
+GMOFILES = @GMOFILES@
+GMSGFMT = @GMSGFMT@
+INSTOBJEXT = @INSTOBJEXT@
+INTLBISON = @INTLBISON@
+INTLLIBS = @INTLLIBS@
+INTLOBJS = @INTLOBJS@
+INTL_LIBTOOL_SUFFIX_PREFIX = @INTL_LIBTOOL_SUFFIX_PREFIX@
+LIBICONV = @LIBICONV@
+LIBIO_INCLUDES = @LIBIO_INCLUDES@
+LIBMATHOBJS = @LIBMATHOBJS@
+LIBMATH_INCLUDES = @LIBMATH_INCLUDES@
+LIBSUPCXX_INCLUDES = @LIBSUPCXX_INCLUDES@
+LIBSUPCXX_PICFLAGS = @LIBSUPCXX_PICFLAGS@
+LIBTOOL = @LIBTOOL@
+LIBUNWIND_FLAG = @LIBUNWIND_FLAG@
+LN_S = @LN_S@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+MKINSTALLDIRS = @MKINSTALLDIRS@
+MSGFMT = @MSGFMT@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OPTIMIZE_CXXFLAGS = @OPTIMIZE_CXXFLAGS@
+OPT_LDFLAGS = @OPT_LDFLAGS@
+OS_INC_SRCDIR = @OS_INC_SRCDIR@
+PACKAGE = @PACKAGE@
+POFILES = @POFILES@
+POSUB = @POSUB@
+RANLIB = @RANLIB@
+SECTION_FLAGS = @SECTION_FLAGS@
+SECTION_LDFLAGS = @SECTION_LDFLAGS@
+STRIP = @STRIP@
+USE_INCLUDED_LIBINTL = @USE_INCLUDED_LIBINTL@
+USE_NLS = @USE_NLS@
+VERSION = @VERSION@
+WARN_FLAGS = @WARN_FLAGS@
+WERROR = @WERROR@
+check_msgfmt = @check_msgfmt@
+enable_shared = @enable_shared@
+enable_static = @enable_static@
+glibcpp_CXX = @glibcpp_CXX@
+glibcpp_MOFILES = @glibcpp_MOFILES@
+glibcpp_POFILES = @glibcpp_POFILES@
+glibcpp_basedir = @glibcpp_basedir@
+glibcpp_builddir = @glibcpp_builddir@
+glibcpp_localedir = @glibcpp_localedir@
+glibcpp_prefixdir = @glibcpp_prefixdir@
+glibcpp_srcdir = @glibcpp_srcdir@
+glibcpp_thread_h = @glibcpp_thread_h@
+glibcpp_toolexecdir = @glibcpp_toolexecdir@
+glibcpp_toolexeclibdir = @glibcpp_toolexeclibdir@
+gxx_include_dir = @gxx_include_dir@
+ifGNUmake = @ifGNUmake@
+libio_la = @libio_la@
+libtool_VERSION = @libtool_VERSION@
+release_VERSION = @release_VERSION@
+toplevel_srcdir = @toplevel_srcdir@
+
+AUTOMAKE_OPTIONS = 1.3 cygnus
+
+mkinstalldirs = $(SHELL) $(toplevel_srcdir)/mkinstalldirs
+
+noinst_LTLIBRARIES = libmath.la
+
+libmath_la_LIBADD = @LIBMATHOBJS@ 
+
+libmath_la_DEPENDENCIES = $(libmath_la_LIBADD)
+
+libmath_la_SOURCES = stubs.c
+
+LINK = \
+	$(LIBTOOL) --tag CC --mode=link "$(CCLD)" \
+	$(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
+
+
+# Use common includes from acinclude.m4/GLIBCPP_EXPORT_INCLUDES
+TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
+
+INCLUDES = \
+	$(TOPLEVEL_INCLUDES) 
+
+CONFIG_HEADER = ../config.h
+CONFIG_CLEAN_FILES = 
+LTLIBRARIES =  $(noinst_LTLIBRARIES)
+
+
+DEFS = @DEFS@ -I. -I$(srcdir) -I..
+CPPFLAGS = @CPPFLAGS@
+LDFLAGS = @LDFLAGS@
+LIBS = @LIBS@
+libmath_la_LDFLAGS = 
+libmath_la_OBJECTS =  stubs.lo
+CFLAGS = @CFLAGS@
+COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+DIST_COMMON =  Makefile.am Makefile.in
+
+
+DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
+
+TAR = gtar
+GZIP_ENV = --best
+SOURCES = $(libmath_la_SOURCES)
+OBJECTS = $(libmath_la_OBJECTS)
+
+all: all-redirect
+.SUFFIXES:
+.SUFFIXES: .S .c .lo .o .obj .s
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) 
+	cd $(top_srcdir) && $(AUTOMAKE) --cygnus libmath/Makefile
+
+Makefile: $(srcdir)/Makefile.in  $(top_builddir)/config.status
+	cd $(top_builddir) \
+	  && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
+
+
+mostlyclean-noinstLTLIBRARIES:
+
+clean-noinstLTLIBRARIES:
+	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+
+distclean-noinstLTLIBRARIES:
+
+maintainer-clean-noinstLTLIBRARIES:
+
+.c.o:
+	$(COMPILE) -c $<
+
+# FIXME: We should only use cygpath when building on Windows,
+# and only if it is available.
+.c.obj:
+	$(COMPILE) -c `cygpath -w $<`
+
+.s.o:
+	$(COMPILE) -c $<
+
+.S.o:
+	$(COMPILE) -c $<
+
+mostlyclean-compile:
+	-rm -f *.o core *.core
+	-rm -f *.$(OBJEXT)
+
+clean-compile:
+
+distclean-compile:
+	-rm -f *.tab.c
+
+maintainer-clean-compile:
+
+.c.lo:
+	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
+.s.lo:
+	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
+.S.lo:
+	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+distclean-libtool:
+
+maintainer-clean-libtool:
+
+libmath.la: $(libmath_la_OBJECTS) $(libmath_la_DEPENDENCIES)
+	$(LINK)  $(libmath_la_LDFLAGS) $(libmath_la_OBJECTS) $(libmath_la_LIBADD) $(LIBS)
+
+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 $$here/TAGS)
+
+mostlyclean-tags:
+
+clean-tags:
+
+distclean-tags:
+	-rm -f TAGS ID
+
+maintainer-clean-tags:
+
+distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
+
+subdir = libmath
+
+distdir: $(DISTFILES)
+	@for file in $(DISTFILES); do \
+	  if test -f $$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
+install: install-am
+uninstall-am:
+uninstall: uninstall-am
+all-am: Makefile $(LTLIBRARIES)
+all-redirect: all-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
+installdirs:
+
+
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-rm -f Makefile $(CONFIG_CLEAN_FILES)
+	-rm -f config.cache config.log stamp-h stamp-h[0-9]*
+
+maintainer-clean-generic:
+mostlyclean-am:  mostlyclean-noinstLTLIBRARIES mostlyclean-compile \
+		mostlyclean-libtool mostlyclean-tags \
+		mostlyclean-generic
+
+mostlyclean: mostlyclean-am
+
+clean-am:  clean-noinstLTLIBRARIES clean-compile clean-libtool \
+		clean-tags clean-generic mostlyclean-am
+
+clean: clean-am
+
+distclean-am:  distclean-noinstLTLIBRARIES distclean-compile \
+		distclean-libtool distclean-tags distclean-generic \
+		clean-am
+	-rm -f libtool
+
+distclean: distclean-am
+
+maintainer-clean-am:  maintainer-clean-noinstLTLIBRARIES \
+		maintainer-clean-compile maintainer-clean-libtool \
+		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
+
+.PHONY: mostlyclean-noinstLTLIBRARIES distclean-noinstLTLIBRARIES \
+clean-noinstLTLIBRARIES maintainer-clean-noinstLTLIBRARIES \
+mostlyclean-compile distclean-compile clean-compile \
+maintainer-clean-compile mostlyclean-libtool distclean-libtool \
+clean-libtool maintainer-clean-libtool 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/contrib/libstdc++/libmath/copysignf.c b/contrib/libstdc++/libmath/copysignf.c
new file mode 100644
index 0000000..91d40e9
--- /dev/null
+++ b/contrib/libstdc++/libmath/copysignf.c
@@ -0,0 +1,39 @@
+/* Copy sign of one number to another.  */
+
+/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+
+   This file is part of the GNU ISO C++ Library.  This library is free
+   software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this library; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+   USA.
+
+   As a special exception, you may use this file as part of a free software
+   library without restriction.  Specifically, if other files instantiate
+   templates or use macros or inline functions from this file, or you compile
+   this file and link it with other files to produce an executable, this
+   file does not by itself cause the resulting executable to be covered by
+   the GNU General Public License.  This exception does not however
+   invalidate any other reasons why the executable file might be covered by
+   the GNU General Public License.  */
+
+
+#include <math.h>
+#include "mathconf.h"
+
+float
+copysignf (float x, float y)
+{
+  /* We use the double version.  */
+  return copysign (x, y);
+}
diff --git a/contrib/libstdc++/libmath/mathconf.h b/contrib/libstdc++/libmath/mathconf.h
new file mode 100644
index 0000000..087631a
--- /dev/null
+++ b/contrib/libstdc++/libmath/mathconf.h
@@ -0,0 +1,314 @@
+/* Configuration data for libmath subpart of libstdc++. */
+
+/* Copyright (C) 1997-1999, 2000, 2001 Free Software Foundation, Inc.
+
+   This file is part of the GNU ISO C++ Library.  This library is free
+   software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this library; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+   USA.
+
+   As a special exception, you may use this file as part of a free software
+   library without restriction.  Specifically, if other files instantiate
+   templates or use macros or inline functions from this file, or you compile
+   this file and link it with other files to produce an executable, this
+   file does not by itself cause the resulting executable to be covered by
+   the GNU General Public License.  This exception does not however
+   invalidate any other reasons why the executable file might be covered by
+   the GNU General Public License.  */
+
+
+#include <config.h>
+
+#ifdef HAVE_ENDIAN_H
+# include <endian.h>
+#else
+# ifdef HAVE_MACHINE_ENDIAN_H
+#  ifdef HAVE_SYS_TYPES_H
+#   include <sys/types.h>
+#  endif
+#  include <machine/endian.h>
+# else
+#  ifdef HAVE_SYS_MACHINE_H
+#   include <sys/machine.h>
+#  else
+#   if defined HAVE_SYS_ISA_DEFS_H || defined HAVE_MACHINE_PARAM_H
+/* This is on Solaris.  */
+#    ifdef HAVE_SYS_ISA_DEFS_H
+#     include <sys/isa_defs.h>
+#    endif
+#    ifdef HAVE_MACHINE_PARAM_H
+#     include <machine/param.h>
+#    endif
+#    ifdef _LITTLE_ENDIAN
+#     define LITTLE_ENDIAN 1
+#    endif
+#    ifdef _BIG_ENDIAN
+#     define BIG_ENDIAN 1
+#    endif
+#    define BYTE_ORDER 1
+#   else
+/* We have to rely on the AC_C_BIGENDIAN test.  */
+#    ifdef WORDS_BIGENDIAN
+#     define BIG_ENDIAN 1
+#    else
+#     define LITTLE_ENDIAN 1
+#    endif
+#    define BYTE_ORDER 1
+#   endif
+#  endif
+# endif
+#endif
+
+typedef unsigned int U_int32_t __attribute ((mode (SI)));
+typedef int Int32_t __attribute ((mode (SI)));
+typedef unsigned int U_int64_t __attribute ((mode (DI)));
+typedef int Int64_t __attribute ((mode (DI)));
+
+#ifdef HAVE_NAN_H
+# include <nan.h>
+#endif
+
+#ifndef NAN
+# define NAN (nan())
+double nan (void);
+#endif
+
+#ifdef HAVE_IEEEFP_H
+# include <ieeefp.h>
+#endif
+
+#ifdef HAVE_FP_H
+# include <fp.h>
+#endif
+
+#ifdef HAVE_FLOAT_H
+# include <float.h>
+#endif
+
+/* `float' variant of HUGE_VAL.  */
+#ifndef HUGE_VALF
+# ifdef HUGE_VALf
+#  define HUGE_VALF HUGE_VALf
+# else
+#  define HUGE_VALF HUGE_VAL
+# endif
+#endif
+
+/* `long double' variant of HUGE_VAL.  */
+#ifndef HUGE_VALL
+# ifdef HUGE_VALl
+#  define HUGE_VALL HUGE_VALl
+# else
+#  define HUGE_VALL HUGE_VAL
+# endif
+#endif
+
+/* Make sure that at least HUGE_VAL is defined.  */
+#ifndef HUGE_VAL
+# ifdef HUGE
+#  define HUGE_VAL HUGE
+# else
+#  ifdef MAXFLOAT
+#   define HUGE_VAL MAXFLOAT
+#  else
+#   error "We need HUGE_VAL!"
+#  endif
+# endif
+#endif
+
+#ifndef M_PI
+# define M_PI 3.14159265358979323846
+#endif
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* signbit is a macro in ISO C99.  */
+#ifndef signbit
+extern int __signbitf (float);
+extern int __signbit (double);
+extern int __signbitl (long double);
+
+# define signbit(x) \
+     (sizeof (x) == sizeof (float) ?                                          \
+        __signbitf (x)                                                        \
+      : sizeof (x) == sizeof (double) ?                                       \
+        __signbit (x) : __signbitl (x))
+#endif
+
+#if BYTE_ORDER == BIG_ENDIAN
+typedef union
+{
+  double value;
+  struct
+  {
+    U_int32_t msw;
+    U_int32_t lsw;
+  } parts;
+} ieee_double_shape_type;
+#endif
+#if BYTE_ORDER == LITTLE_ENDIAN
+typedef union
+{
+  double value;
+  struct
+  {
+    U_int32_t lsw;
+    U_int32_t msw;
+  } parts;
+} ieee_double_shape_type;
+#endif
+/* Get the more significant 32 bit int from a double.  */
+#define GET_HIGH_WORD(i,d)                                      \
+do {                                                            \
+  ieee_double_shape_type gh_u;                                  \
+  gh_u.value = (d);                                             \
+  (i) = gh_u.parts.msw;                                         \
+} while (0)
+
+
+typedef union
+{
+  float value;
+  U_int32_t word;
+} ieee_float_shape_type;
+/* Get a 32 bit int from a float.  */
+#define GET_FLOAT_WORD(i,d)                                     \
+do {                                                            \
+  ieee_float_shape_type gf_u;                                   \
+  gf_u.value = (d);                                             \
+  (i) = gf_u.word;                                              \
+} while (0)
+
+
+#if BYTE_ORDER == BIG_ENDIAN
+typedef union
+{
+  long double value;
+  struct
+  {
+    unsigned int sign_exponent:16;
+    unsigned int empty:16;
+    U_int32_t msw;
+    U_int32_t lsw;
+  } parts;
+} ieee_long_double_shape_type;
+#endif
+#if BYTE_ORDER == LITTLE_ENDIAN
+typedef union
+{
+  long double value;
+  struct
+  {
+    U_int32_t lsw;
+    U_int32_t msw;
+    unsigned int sign_exponent:16;
+    unsigned int empty:16;
+  } parts;
+} ieee_long_double_shape_type;
+#endif
+/* Get int from the exponent of a long double.  */
+#define GET_LDOUBLE_EXP(exp,d)                                  \
+do {                                                            \
+  ieee_long_double_shape_type ge_u;                             \
+  ge_u.value = (d);                                             \
+  (exp) = ge_u.parts.sign_exponent;                             \
+} while (0)
+
+#if BYTE_ORDER == BIG_ENDIAN
+typedef union
+{
+  long double value;
+  struct
+  {
+    U_int64_t msw;
+    U_int64_t lsw;
+  } parts64;
+  struct
+  {
+    U_int32_t w0, w1, w2, w3;
+  } parts32;
+} ieee_quad_double_shape_type;
+#endif
+#if BYTE_ORDER == LITTLE_ENDIAN
+typedef union
+{
+  long double value;
+  struct
+  {
+    U_int64_t lsw;
+    U_int64_t msw;
+  } parts64;
+  struct
+  {
+    U_int32_t w3, w2, w1, w0;
+  } parts32;
+} ieee_quad_double_shape_type;
+#endif
+/* Get most significant 64 bit int from a quad long double.  */
+#define GET_LDOUBLE_MSW64(msw,d)				\
+do {								\
+  ieee_quad_double_shape_type qw_u;				\
+  qw_u.value = (d);						\
+  (msw) = qw_u.parts64.msw;					\
+} while (0)
+
+
+/* Replacement for non-existing float functions.  */
+#if !defined(HAVE_FABSF) && !defined(HAVE___BUILTIN_FABSF)
+# define fabsf(x) fabs (x)
+#endif
+#if !defined(HAVE_COSF) && !defined(HAVE___BUILTIN_COSF)
+# define cosf(x) cos (x)
+#endif
+#ifndef HAVE_COSHF
+# define coshf(x) cosh (x)
+#endif
+#ifndef HAVE_EXPF
+# define expf(x) expf (x)
+#endif
+#ifndef HAVE_LOGF
+# define logf(x) log(x)
+#endif
+#ifndef HAVE_LOG10F
+# define log10f(x) log10 (x)
+#endif
+#ifndef HAVE_POWF
+# define powf(x, y) pow (x, y)
+#endif
+#if !defined(HAVE_SINF) && !defined(HAVE___BUILTIN_SINF)
+# define sinf(x) sin (x)
+#endif
+#ifndef HAVE_SINHF
+# define sinhf(x) sinh (x)
+#endif
+#if !defined(HAVE_SQRTF) && !defined(HAVE___BUILTIN_SQRTF)
+# define sqrtf(x) sqrt (x)
+#endif
+#ifndef HAVE_TANF
+# define tanf(x) tan (x)
+#endif
+#ifndef HAVE_TANHF
+# define tanhf(x) tanh (x)
+#endif
+#ifndef HAVE_STRTOF
+# define strtof(s, e) strtod (s, e)
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
diff --git a/contrib/libstdc++/libmath/nan.c b/contrib/libstdc++/libmath/nan.c
new file mode 100644
index 0000000..1814b5d
--- /dev/null
+++ b/contrib/libstdc++/libmath/nan.c
@@ -0,0 +1,36 @@
+/* Return quiet nan. */
+
+/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+
+   This file is part of the GNU ISO C++ Library.  This library is free
+   software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this library; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+   USA.
+
+   As a special exception, you may use this file as part of a free software
+   library without restriction.  Specifically, if other files instantiate
+   templates or use macros or inline functions from this file, or you compile
+   this file and link it with other files to produce an executable, this
+   file does not by itself cause the resulting executable to be covered by
+   the GNU General Public License.  This exception does not however
+   invalidate any other reasons why the executable file might be covered by
+   the GNU General Public License.  */
+
+
+#include <stdlib.h>
+#include <string.h>
+
+double
+nan ()
+{ return strtod ("nan", NULL); }
diff --git a/contrib/libstdc++/libmath/signbit.c b/contrib/libstdc++/libmath/signbit.c
new file mode 100644
index 0000000..f400b8d
--- /dev/null
+++ b/contrib/libstdc++/libmath/signbit.c
@@ -0,0 +1,41 @@
+/* Return nonzero value if number is negative. */
+
+/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+
+   This file is part of the GNU ISO C++ Library.  This library is free
+   software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this library; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+   USA.
+
+   As a special exception, you may use this file as part of a free software
+   library without restriction.  Specifically, if other files instantiate
+   templates or use macros or inline functions from this file, or you compile
+   this file and link it with other files to produce an executable, this
+   file does not by itself cause the resulting executable to be covered by
+   the GNU General Public License.  This exception does not however
+   invalidate any other reasons why the executable file might be covered by
+   the GNU General Public License.  */
+
+
+#include <math.h>
+#include "mathconf.h"
+
+int
+__signbit (double x)
+{
+  Int32_t hx;
+
+  GET_HIGH_WORD (hx, x);
+  return hx & 0x80000000;
+}
diff --git a/contrib/libstdc++/libmath/signbitf.c b/contrib/libstdc++/libmath/signbitf.c
new file mode 100644
index 0000000..6a72f46
--- /dev/null
+++ b/contrib/libstdc++/libmath/signbitf.c
@@ -0,0 +1,41 @@
+/* Return nonzero value if number is negative. */
+
+/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+
+   This file is part of the GNU ISO C++ Library.  This library is free
+   software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this library; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+   USA.
+
+   As a special exception, you may use this file as part of a free software
+   library without restriction.  Specifically, if other files instantiate
+   templates or use macros or inline functions from this file, or you compile
+   this file and link it with other files to produce an executable, this
+   file does not by itself cause the resulting executable to be covered by
+   the GNU General Public License.  This exception does not however
+   invalidate any other reasons why the executable file might be covered by
+   the GNU General Public License.  */
+
+
+#include <math.h>
+#include "mathconf.h"
+
+int
+__signbitf (float x)
+{
+  Int32_t hx;
+
+  GET_FLOAT_WORD (hx, x);
+  return hx & 0x80000000;
+}
diff --git a/contrib/libstdc++/libmath/signbitl.c b/contrib/libstdc++/libmath/signbitl.c
new file mode 100644
index 0000000..f5e0035
--- /dev/null
+++ b/contrib/libstdc++/libmath/signbitl.c
@@ -0,0 +1,48 @@
+/* Return nonzero value if number is negative. */
+
+/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+
+   This file is part of the GNU ISO C++ Library.  This library is free
+   software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this library; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+   USA.
+
+   As a special exception, you may use this file as part of a free software
+   library without restriction.  Specifically, if other files instantiate
+   templates or use macros or inline functions from this file, or you compile
+   this file and link it with other files to produce an executable, this
+   file does not by itself cause the resulting executable to be covered by
+   the GNU General Public License.  This exception does not however
+   invalidate any other reasons why the executable file might be covered by
+   the GNU General Public License.  */
+
+#include <float.h>
+#include <math.h>
+#include "mathconf.h"
+
+int
+__signbitl (long double x)
+{
+#if LDBL_MANT_DIG == 113
+  Int64_t msw;
+
+  GET_LDOUBLE_MSW64 (msw, x);
+  return msw < 0;
+#else
+  Int32_t e;
+
+  GET_LDOUBLE_EXP (e, x);
+  return e & 0x8000;
+#endif
+}
diff --git a/contrib/libstdc++/libmath/stubs.c b/contrib/libstdc++/libmath/stubs.c
new file mode 100644
index 0000000..586fd6d
--- /dev/null
+++ b/contrib/libstdc++/libmath/stubs.c
@@ -0,0 +1,271 @@
+/* Stub definitions for libmath subpart of libstdc++. */
+
+/* Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+
+   This file is part of the GNU ISO C++ Library.  This library is free
+   software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along
+   with this library; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+   USA.
+
+   As a special exception, you may use this file as part of a free software
+   library without restriction.  Specifically, if other files instantiate
+   templates or use macros or inline functions from this file, or you compile
+   this file and link it with other files to produce an executable, this
+   file does not by itself cause the resulting executable to be covered by
+   the GNU General Public License.  This exception does not however
+   invalidate any other reasons why the executable file might be covered by
+   the GNU General Public License.  */
+
+#include <math.h>
+#include "config.h"
+
+/* For targets which do not have support for long double versions,
+   we use the crude approximation.  We'll do better later.  */
+
+
+#ifndef HAVE_ATAN2F
+float
+atan2f(float x, float y)
+{
+  return (float) atan2(x, y);
+}
+#endif
+
+#ifndef HAVE_ATAN2L
+long double
+atan2l(long double x, long double y)
+{
+  return atan2((double) x, (double) y);
+}
+#endif
+
+
+#ifndef HAVE_COSF
+float
+cosf(float x)
+{
+  return (float) cos(x);
+}
+#endif
+
+#ifndef HAVE_COSL
+long double
+cosl(long double x)
+{
+  return cos((double) x);
+}
+#endif
+
+
+#ifndef HAVE_COSHF
+float
+coshf(float x)
+{
+  return (float) cosh(x);
+}
+#endif
+
+#ifndef HAVE_COSHL
+long double
+coshl(long double x)
+{
+  return cosh((double) x);
+}
+#endif
+
+
+#ifndef HAVE_EXPF
+float
+expf(float x)
+{
+  return (float) exp(x);
+}
+#endif
+
+#ifndef HAVE_EXPL
+long double
+expl(long double x)
+{
+  return exp((double) x);
+}
+#endif
+
+
+/* Compute the hypothenuse of a right triangle with side x and y.  */
+#ifndef HAVE_HYPOTF
+float
+hypotf(float x, float y)
+{
+  float s = fabsf(x) + fabsf(y);
+  x /= s; y /= s;
+  return s * sqrtf(x * x + y * y);
+}
+#endif
+
+#ifndef HAVE_HYPOT
+double
+hypot(double x, double y)
+{
+  double s = fabs(x) + fabs(y);
+  x /= s; y /= s;
+  return s * sqrt(x * x + y * y);
+}
+#endif
+
+#ifndef HAVE_HYPOTL
+long double
+hypotl(long double x, long double y)
+{
+  long double s = fabsl(x) + fabsl(y);
+  x /= s; y /= s;
+  return s * sqrtl(x * x + y * y);
+}
+#endif
+
+
+
+#ifndef HAVE_LOGF
+float
+logf(float x)
+{
+  return (float) log(x);
+}
+#endif
+
+#ifndef HAVE_LOGL
+long double
+logl(long double x)
+{
+  return log((double) x);
+}
+#endif
+
+
+#ifndef HAVE_LOG10F
+float
+log10f(float x)
+{
+  return (float) log10(x);
+}
+#endif
+
+#ifndef HAVE_LOG10L
+long double
+log10l(long double x)
+{
+  return log10((double) x);
+}
+#endif
+
+
+#ifndef HAVE_POWF
+float
+powf(float x, float y)
+{
+  return (float) pow(x, y);
+}
+#endif
+
+#ifndef HAVE_POWL
+long double
+powl(long double x, long double y)
+{
+  return pow((double) x, (double) y);
+}
+#endif
+
+
+#ifndef HAVE_SINF
+float
+sinf(float x)
+{
+  return (float) sin(x);
+}
+#endif
+
+#ifndef HAVE_SINL
+long double
+sinl(long double x)
+{
+  return sin((double) x);
+}
+#endif
+
+
+#ifndef HAVE_SINHF
+float
+sinhf(float x)
+{
+  return (float) sinh(x);
+}
+#endif
+
+#ifndef HAVE_SINHL
+long double
+sinhl(long double x)
+{
+  return sinh((double) x);
+}
+#endif
+
+
+#ifndef HAVE_SQRTF
+float
+sqrtf(float x)
+{
+  return (float) sqrt(x);
+}
+#endif
+
+#ifndef HAVE_SQRTL
+long double
+sqrtl(long double x)
+{
+  return  sqrt((double) x);
+}
+#endif
+
+
+#ifndef HAVE_TANF
+float
+tanf(float x)
+{
+  return (float) tan(x);
+}
+#endif
+
+#ifndef HAVE_TANL
+long double
+tanl(long double x)
+{
+  return tan((double) x);
+}
+#endif
+
+
+#ifndef HAVE_TANHF
+float
+tanhf(float x)
+{
+  return (float) tanh(x);
+}
+#endif
+
+#ifndef HAVE_TANHL
+long double
+tanhl(long double x)
+{
+  return tanh((double) x);
+}
+#endif