diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 66489338ec637794655621de32f20b9482b0984d..9341fd1b51a3ba14c40c8f7c125815aa057872d1 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,62 @@
+2006-02-07  Jakub Jelinek  <jakub@redhat.com>
+	    Benjamin Kosnik  <bkoz@redhat.com>
+
+	* configure.ac (_GLIBCXX_LONG_DOUBLE_COMPAT): New check.
+	If true, set also port_specific_symbol_files and create
+	as_symver_specs.
+	(GLIBCXX_LDBL_COMPAT): New GLIBCXX_CONDITIONAL.
+	* configure: Rebuilt.
+	* config.h.in: Rebuilt.
+	* config/os/gnu-linux/ldbl-extra.ver: New file.
+	* config/abi/pre/gnu.ver: Make sure no __float128 symbols are
+	exported.
+	* include/bits/c++config (_GLIBCXX_LONG_DOUBLE_COMPAT,
+	_GLIBCXX_LDBL_NAMESPACE, _GLIBCXX_BEGIN_LDBL_NAMESPACE,
+	_GLIBCXX_END_LDBL_NAMESPACE): Define.
+	* include/bits/localefwd.h: Use them to conditionally scope facets.
+	* include/bits/locale_facets.h: Surround std::{money,num}_{get,put}
+	with _GLIBCXX_BEGIN_LDBL_NAMESPACE and _GLIBCXX_END_LDBL_NAMESPACE.
+	Surround std::{money,num}_{get,put}
+	with _GLIBCXX_BEGIN_LDBL_NAMESPACE and _GLIBCXX_END_LDBL_NAMESPACE.
+	[_GLIBCXX_LONG_DOUBLE_COMPAT] (std::money_get): Add __do_get method.
+	[_GLIBCXX_LONG_DOUBLE_COMPAT] (std::money_put): Add __do_put method.
+	[_GLIBCXX_LONG_DOUBLE_COMPAT] (std::num_get): Add __do_get method.
+	[_GLIBCXX_LONG_DOUBLE_COMPAT] (std::num_put): Add __do_put method.
+	* include/bits/locale_facets.tcc: Surround std::{money,num}_{get,put}
+	with _GLIBCXX_BEGIN_LDBL_NAMESPACE and _GLIBCXX_END_LDBL_NAMESPACE.
+	(std::money_get::__do_get, std::money_put::__do_put,
+	std::num_get::__do_get, std::num_put::__do_put): New
+	specializations.
+	* include/Makefile.am: Conditionally define
+	_GLIBCXX_LONG_DOUBLE_COMPAT in c++config.
+	* include/Makefile.in: Regenerate.
+	* src/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT] (_GLIBCXX_LOC_ID,
+	_GLIBCXX_SYNC_ID): Define, use them.
+	* src/compatibility-ldbl.cc: New file.
+	* src/complex_io.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Add compatibility
+	symbols.
+	* src/limits.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
+	* src/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
+	* src/locale-inst.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.	
+	* src/locale-misc-inst.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
+	* src/istream-inst.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
+	* src/ostream-inst.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
+	* src/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
+	* src/wlocale-inst.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
+	* src/compatibility.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Likewise.
+	* config/locale/generic/c_locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]:
+	Likewise.
+	* config/locale/gnu/c_locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]:
+	Likewise.
+	* src/Makefile.am (libstdc++-symbol.ver): Append instead of
+	insert in the middle if port specific symbol file requests it.
+	(ldbl_compat_sources): New variable.
+	(sources): Use it.
+	(compatibility-ldbl.lo, compatibility-ldbl.o): New rules.
+	* src/Makefile.in: Rebuilt.
+	* testsuite/testsuite_abi.cc: Recognize GLIBCXX_LDBL_3.4,
+	GLIBCXX_LDBL_3.4.7, CXXABI_LDBL_1.3.	
+
 2006-02-07  Paolo Carlini  <pcarlini@suse.de>	
 
 	* include/tr1/hashtable: Trivial formatting fixes.
diff --git a/libstdc++-v3/Makefile.in b/libstdc++-v3/Makefile.in
index 44686de2e474d6a05f3ad774626af6d524f791e5..78f26a7f1c2f3a68d0b7433216363d54b4fe857d 100644
--- a/libstdc++-v3/Makefile.in
+++ b/libstdc++-v3/Makefile.in
@@ -154,6 +154,8 @@ GLIBCXX_C_HEADERS_C_TRUE = @GLIBCXX_C_HEADERS_C_TRUE@
 GLIBCXX_HOSTED_FALSE = @GLIBCXX_HOSTED_FALSE@
 GLIBCXX_HOSTED_TRUE = @GLIBCXX_HOSTED_TRUE@
 GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
+GLIBCXX_LDBL_COMPAT_FALSE = @GLIBCXX_LDBL_COMPAT_FALSE@
+GLIBCXX_LDBL_COMPAT_TRUE = @GLIBCXX_LDBL_COMPAT_TRUE@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
diff --git a/libstdc++-v3/config.h.in b/libstdc++-v3/config.h.in
index 61840a5628b79a36f6ff64c3fc50bfbfb0ec48b5..b112aca8c6882efc2cafda520ff12401c6b849ab 100644
--- a/libstdc++-v3/config.h.in
+++ b/libstdc++-v3/config.h.in
@@ -661,6 +661,9 @@
 /* Define to 1 if a full hosted library is built, or 0 if freestanding. */
 #undef _GLIBCXX_HOSTED
 
+/* Define if compatibility should be provided for -mlong-double-64. */
+#undef _GLIBCXX_LONG_DOUBLE_COMPAT
+
 /* Define if ptrdiff_t is int. */
 #undef _GLIBCXX_PTRDIFF_T_IS_INT
 
diff --git a/libstdc++-v3/config/abi/pre/gnu.ver b/libstdc++-v3/config/abi/pre/gnu.ver
index 831951d0d69507059ab01cad4551533a39a00ef6..8ea7c64a525619743312c67189fa02f85e39786c 100644
--- a/libstdc++-v3/config/abi/pre/gnu.ver
+++ b/libstdc++-v3/config/abi/pre/gnu.ver
@@ -90,7 +90,10 @@ GLIBCXX_3.4 {
       std::locale::_S_normalize_category*;
       std::locale::_[T-Za-z]*;
 #     std::[A-Zm-r]*;
-      std::[A-Zm-n]*;
+      std::[A-Zm]*;
+      std::n[^u]*;
+      std::nu[^m]*;
+      std::num[^e]*;
       std::[p-r]*;
       std::ostrstream*;
       std::out_of_range*;
@@ -254,7 +257,7 @@ GLIBCXX_3.4 {
     _ZNSi[0-9][a-h]*;
     _ZNSi[0-9][j-z]*;
     _ZNSi6ignoreE[il][il];
-    _ZNSirsE*;
+    _ZNSirsE*[^g];
 
     # std::basic_istream<wchar_t>
     _ZNSt13basic_istreamIwSt11char_traitsIwEEC*;
@@ -263,7 +266,7 @@ GLIBCXX_3.4 {
     _ZNSt13basic_istreamIwSt11char_traitsIwEE[0-9][a-h]*;
     _ZNSt13basic_istreamIwSt11char_traitsIwEE[0-9][j-z]*;
     _ZNSt13basic_istreamIwSt11char_traitsIwEE6ignoreE[il][ijlm];
-    _ZNSt13basic_istreamIwSt11char_traitsIwEErsE*;
+    _ZNSt13basic_istreamIwSt11char_traitsIwEErsE*[^g];
 
     # std::istream operators and extractors
     _ZSt7getlineI[cw]St11char_traitsI[cw]ESaI[cw]EERSt13basic_istream*;
@@ -281,7 +284,7 @@ GLIBCXX_3.4 {
     _ZNKSo6sentrycvbEv;
     _ZNSo8_M_write*;
     _ZNSo[0-9][a-z]*;
-    _ZNSolsE*;
+    _ZNSolsE*[^g];
 
     # std::basic_ostream<wchar_t>
     _ZNSt13basic_ostreamIwSt11char_traitsIwEEC*;
@@ -294,7 +297,7 @@ GLIBCXX_3.4 {
     _ZNSt13basic_ostreamIwSt11char_traitsIwEE5writeEPKw*;
     _ZNSt13basic_ostreamIwSt11char_traitsIwEE6sentry*;
     _ZNSt13basic_ostreamIwSt11char_traitsIwEE8_M_write*;
-    _ZNSt13basic_ostreamIwSt11char_traitsIwEElsE*;
+    _ZNSt13basic_ostreamIwSt11char_traitsIwEElsE*[^g];
 
     # std::ostream operators and inserters
     _ZSt4end[ls]I[cw]St11char_traitsI[cw]EERSt13basic_ostream*;
@@ -321,7 +324,7 @@ GLIBCXX_3.4 {
     _ZNSt8ios_base4InitD*;
 
     # bool std::has_facet 
-    _ZSt9has_facet*;
+    _ZSt9has_facetIS*;
 
     # std::num_get
     _ZNKSt7num_getI[cw]St19istreambuf_iteratorI[cw]St11char_traitsI[cw]EEE*;
@@ -335,6 +338,9 @@ GLIBCXX_3.4 {
     # std::money_put
     _ZNKSt9money_putI[cw]St19ostreambuf_iteratorI[cw]St11char_traitsI[cw]EEE*;
 
+    # std::numeric_limits
+    _ZNSt14numeric_limitsI[^g]*;
+
     # std::_Rb_tree
     _ZSt18_Rb_tree_decrementPKSt18_Rb_tree_node_base;
     _ZSt18_Rb_tree_decrementPSt18_Rb_tree_node_base;
@@ -362,7 +368,7 @@ GLIBCXX_3.4 {
     _ZNSt12__basic_fileIcED*;
 
     # std::__convert_to_v
-    _ZSt14__convert_to_v*;
+    _ZSt14__convert_to_vI[^g]*;
 
     # __gnu_cxx::stdio_sync_filebuf
     _ZTVN9__gnu_cxx18stdio_sync_filebufI[cw]St11char_traitsI[cw]EEE;
@@ -455,7 +461,8 @@ GLIBCXX_3.4 {
     _ZTSN9__gnu_cxx13stdio_filebufI[cw]St11char_traitsI[cw]EEE;
 
     # function-scope static objects requires a guard variable.
-    _ZGVNSt*;
+    _ZGVNSt[^1]*;
+    _ZGVNSt1[^7]*;
 
     # virtual function thunks
     _ZThn8_NS*;
@@ -661,10 +668,10 @@ GLIBCXX_3.4.7 {
     _ZNSt11__gnu_debug19_Safe_sequence_base22_M_revalidate_singularEv;
     _ZNSt11__gnu_debug19_Safe_sequence_base7_M_swapERS0_;
 
-    _ZNSo9_M_insertI*;
-    _ZNSt13basic_ostreamIwSt11char_traitsIwEE9_M_insertI*;
-    _ZNSi10_M_extractI*;
-    _ZNSt13basic_istreamIwSt11char_traitsIwEE10_M_extractI*;
+    _ZNSo9_M_insertI[^g]*;
+    _ZNSt13basic_ostreamIwSt11char_traitsIwEE9_M_insertI[^g]*;
+    _ZNSi10_M_extractI[^g]*;
+    _ZNSt13basic_istreamIwSt11char_traitsIwEE10_M_extractI[^g]*;
 
 } GLIBCXX_3.4.6;
 
@@ -740,9 +747,9 @@ CXXABI_1.3 {
     _ZTVN10__cxxabiv121__vmi_class_type_infoE;
 
     # typeinfo structure (and some names)
-    _ZTI[a-z];
-    _ZTIP[a-z];
-    _ZTIPK[a-z];
+    _ZTI[a-fh-z];
+    _ZTIP[a-fh-z];
+    _ZTIPK[a-fh-z];
     _ZTIN10__cxxabiv117__array_type_infoE;
     _ZTIN10__cxxabiv117__class_type_infoE;
     _ZTIN10__cxxabiv116__enum_type_infoE;
@@ -755,9 +762,9 @@ CXXABI_1.3 {
     _ZTIN10__cxxabiv121__vmi_class_type_infoE;
 
     # typeinfo name
-    _ZTS[a-z];
-    _ZTSP[a-z];
-    _ZTSPK[a-z];
+    _ZTS[a-fh-z];
+    _ZTSP[a-fh-z];
+    _ZTSPK[a-fh-z];
     _ZTSN10__cxxabiv117__array_type_infoE;
     _ZTSN10__cxxabiv117__class_type_infoE;
     _ZTSN10__cxxabiv116__enum_type_infoE;
diff --git a/libstdc++-v3/config/locale/generic/c_locale.cc b/libstdc++-v3/config/locale/generic/c_locale.cc
index 68c3e7670c8d03d36fd4d58093a60735a546394f..783b1963c0a023b4fc54b9c69a78314e313a04f9 100644
--- a/libstdc++-v3/config/locale/generic/c_locale.cc
+++ b/libstdc++-v3/config/locale/generic/c_locale.cc
@@ -1,6 +1,6 @@
 // Wrapper for underlying C-language localization -*- C++ -*-
 
-// Copyright (C) 2001, 2002, 2003, 2004, 2005
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -171,3 +171,10 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   const char* const* const locale::_S_categories = __gnu_cxx::category_names;
 
 _GLIBCXX_END_NAMESPACE
+
+// XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
+  extern "C" void ldbl (void) __attribute__ ((alias (#dbl)))
+_GLIBCXX_LDBL_COMPAT(_ZSt14__convert_to_vIdEvPKcRT_RSt12_Ios_IostateRKPi, _ZSt14__convert_to_vIeEvPKcRT_RSt12_Ios_IostateRKPi);
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
diff --git a/libstdc++-v3/config/locale/gnu/c_locale.cc b/libstdc++-v3/config/locale/gnu/c_locale.cc
index 4025fb18b87bbb9bfaa80013ec326d168e4c810b..8a42638e0f28fb4a8a2abe771100273f2b92d9ef 100644
--- a/libstdc++-v3/config/locale/gnu/c_locale.cc
+++ b/libstdc++-v3/config/locale/gnu/c_locale.cc
@@ -1,6 +1,6 @@
 // Wrapper for underlying C-language localization -*- C++ -*-
 
-// Copyright (C) 2001, 2002, 2003, 2004, 2005 
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -135,3 +135,10 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   const char* const* const locale::_S_categories = __gnu_cxx::category_names;
 
 _GLIBCXX_END_NAMESPACE
+
+// XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
+  extern "C" void ldbl (void) __attribute__ ((alias (#dbl)))
+_GLIBCXX_LDBL_COMPAT(_ZSt14__convert_to_vIdEvPKcRT_RSt12_Ios_IostateRKP15__locale_struct, _ZSt14__convert_to_vIeEvPKcRT_RSt12_Ios_IostateRKP15__locale_struct);
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
diff --git a/libstdc++-v3/config/os/gnu-linux/ldbl-extra.ver b/libstdc++-v3/config/os/gnu-linux/ldbl-extra.ver
new file mode 100644
index 0000000000000000000000000000000000000000..d1e09ec7e19fdc499829d89acb82b4000228e06b
--- /dev/null
+++ b/libstdc++-v3/config/os/gnu-linux/ldbl-extra.ver
@@ -0,0 +1,26 @@
+# Appended to version file.
+
+GLIBCXX_LDBL_3.4 {
+  _ZNSt14numeric_limitsIg*;
+  _ZNSirsERg;
+  _ZNSolsEg;
+  _ZNSt13basic_istreamIwSt11char_traitsIwEErsERg;
+  _ZNSt13basic_ostreamIwSt11char_traitsIwEElsEg;
+  _ZSt14__convert_to_vIgEvPKcRT_RSt12_Ios_IostateRKP*;
+  _ZStlsIg[cw]St11char_traitsI[cw]EERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E;
+  _ZStrsIg[cw]St11char_traitsI[cw]EERSt13basic_istreamIT0_T1_ES6_RSt7complexIT_E;
+  *__gnu_cxx_ldbl128*;
+};
+
+GLIBCXX_LDBL_3.4.7 {
+  _ZNSi10_M_extractIgEERSiRT_;
+  _ZNSt13basic_istreamIwSt11char_traitsIwEE10_M_extractIgEERS2_RT_;
+  _ZNSo9_M_insertIgEERSoT_;
+  _ZNSt13basic_ostreamIwSt11char_traitsIwEE9_M_insertIgEERS2_T_;
+} GLIBCXX_LDBL_3.4;
+
+CXXABI_LDBL_1.3 {
+  _ZT[IS]g;
+  _ZT[IS]Pg;
+  _ZT[IS]PKg;
+};
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 5ed65950480394e5884585976fea55f3da65bfeb..2f8cea5ae321fb727c5511774c5f0f525c4105f7 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -309,7 +309,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libtool_VERSION multi_basedir build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar glibcxx_builddir glibcxx_srcdir toplevel_srcdir CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LN_S AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LIBTOOL CXXCPP CPPFLAGS enable_shared enable_static GLIBCXX_HOSTED_TRUE GLIBCXX_HOSTED_FALSE GLIBCXX_BUILD_PCH_TRUE GLIBCXX_BUILD_PCH_FALSE glibcxx_PCHFLAGS CSTDIO_H BASIC_FILE_H BASIC_FILE_CC CPP EGREP check_msgfmt glibcxx_MOFILES glibcxx_POFILES glibcxx_localedir USE_NLS CLOCALE_H CMESSAGES_H CCODECVT_CC CCOLLATE_CC CCTYPE_CC CMESSAGES_CC CMONEY_CC CNUMERIC_CC CTIME_H CTIME_CC CLOCALE_CC CLOCALE_INTERNAL_H ALLOCATOR_H ALLOCATOR_NAME C_INCLUDE_DIR GLIBCXX_C_HEADERS_C_TRUE GLIBCXX_C_HEADERS_C_FALSE GLIBCXX_C_HEADERS_C_STD_TRUE GLIBCXX_C_HEADERS_C_STD_FALSE GLIBCXX_C_HEADERS_COMPATIBILITY_TRUE GLIBCXX_C_HEADERS_COMPATIBILITY_FALSE DEBUG_FLAGS GLIBCXX_BUILD_DEBUG_TRUE GLIBCXX_BUILD_DEBUG_FALSE EXTRA_CXX_FLAGS glibcxx_thread_h WERROR SECTION_FLAGS SECTION_LDFLAGS OPT_LDFLAGS LIBMATHOBJS LIBICONV SYMVER_FILE port_specific_symbol_files ENABLE_SYMVERS_TRUE ENABLE_SYMVERS_FALSE ENABLE_SYMVERS_GNU_TRUE ENABLE_SYMVERS_GNU_FALSE ENABLE_SYMVERS_GNU_NAMESPACE_TRUE ENABLE_SYMVERS_GNU_NAMESPACE_FALSE ENABLE_SYMVERS_DARWIN_TRUE ENABLE_SYMVERS_DARWIN_FALSE baseline_dir ATOMICITY_SRCDIR ATOMIC_WORD_SRCDIR CPU_DEFINES_SRCDIR ABI_TWEAKS_SRCDIR OS_INC_SRCDIR glibcxx_prefixdir gxx_include_dir glibcxx_toolexecdir glibcxx_toolexeclibdir GLIBCXX_INCLUDES TOPLEVEL_INCLUDES OPTIMIZE_CXXFLAGS WARN_FLAGS LIBSUPCXX_PICFLAGS LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libtool_VERSION multi_basedir build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar glibcxx_builddir glibcxx_srcdir toplevel_srcdir CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LN_S AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LIBTOOL CXXCPP CPPFLAGS enable_shared enable_static GLIBCXX_HOSTED_TRUE GLIBCXX_HOSTED_FALSE GLIBCXX_BUILD_PCH_TRUE GLIBCXX_BUILD_PCH_FALSE glibcxx_PCHFLAGS CSTDIO_H BASIC_FILE_H BASIC_FILE_CC CPP EGREP check_msgfmt glibcxx_MOFILES glibcxx_POFILES glibcxx_localedir USE_NLS CLOCALE_H CMESSAGES_H CCODECVT_CC CCOLLATE_CC CCTYPE_CC CMESSAGES_CC CMONEY_CC CNUMERIC_CC CTIME_H CTIME_CC CLOCALE_CC CLOCALE_INTERNAL_H ALLOCATOR_H ALLOCATOR_NAME C_INCLUDE_DIR GLIBCXX_C_HEADERS_C_TRUE GLIBCXX_C_HEADERS_C_FALSE GLIBCXX_C_HEADERS_C_STD_TRUE GLIBCXX_C_HEADERS_C_STD_FALSE GLIBCXX_C_HEADERS_COMPATIBILITY_TRUE GLIBCXX_C_HEADERS_COMPATIBILITY_FALSE DEBUG_FLAGS GLIBCXX_BUILD_DEBUG_TRUE GLIBCXX_BUILD_DEBUG_FALSE EXTRA_CXX_FLAGS glibcxx_thread_h WERROR SECTION_FLAGS SECTION_LDFLAGS OPT_LDFLAGS LIBMATHOBJS LIBICONV SYMVER_FILE port_specific_symbol_files ENABLE_SYMVERS_TRUE ENABLE_SYMVERS_FALSE ENABLE_SYMVERS_GNU_TRUE ENABLE_SYMVERS_GNU_FALSE ENABLE_SYMVERS_GNU_NAMESPACE_TRUE ENABLE_SYMVERS_GNU_NAMESPACE_FALSE ENABLE_SYMVERS_DARWIN_TRUE ENABLE_SYMVERS_DARWIN_FALSE GLIBCXX_LDBL_COMPAT_TRUE GLIBCXX_LDBL_COMPAT_FALSE baseline_dir ATOMICITY_SRCDIR ATOMIC_WORD_SRCDIR CPU_DEFINES_SRCDIR ABI_TWEAKS_SRCDIR OS_INC_SRCDIR glibcxx_prefixdir gxx_include_dir glibcxx_toolexecdir glibcxx_toolexeclibdir GLIBCXX_INCLUDES TOPLEVEL_INCLUDES OPTIMIZE_CXXFLAGS WARN_FLAGS LIBSUPCXX_PICFLAGS LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -89068,6 +89068,72 @@ echo "$as_me:$LINENO: result: $glibcxx_ptrdiff_t_is_i" >&5
 echo "${ECHO_T}$glibcxx_ptrdiff_t_is_i" >&6
 
 
+ac_ldbl_compat=no
+case "$target" in
+  powerpc*-*-*gnu* | \
+  sparc*-*-linux* | \
+  s390*-*-linux* | \
+  alpha*-*-linux*)
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+#if !defined __LONG_DOUBLE_128__ || (defined(__sparc__) && defined(__arch64__))
+#error no need for long double compatibility
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_ldbl_compat=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_ldbl_compat=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+  if test "$ac_ldbl_compat" = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define _GLIBCXX_LONG_DOUBLE_COMPAT 1
+_ACEOF
+
+    port_specific_symbol_files="\$(top_srcdir)/config/os/gnu-linux/ldbl-extra.ver"
+  fi
+esac
+
+
 # This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE.
 
   if $GLIBCXX_IS_NATIVE ; then
@@ -89942,6 +90008,17 @@ fi
 
 
 
+if test $ac_ldbl_compat = yes; then
+  GLIBCXX_LDBL_COMPAT_TRUE=
+  GLIBCXX_LDBL_COMPAT_FALSE='#'
+else
+  GLIBCXX_LDBL_COMPAT_TRUE='#'
+  GLIBCXX_LDBL_COMPAT_FALSE=
+fi
+
+
+
+
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
@@ -90311,6 +90388,13 @@ echo "$as_me: error: conditional \"ENABLE_SYMVERS_DARWIN\" was never defined.
 Usually this means the macro was only invoked conditionally." >&2;}
    { (exit 1); exit 1; }; }
 fi
+if test -z "${GLIBCXX_LDBL_COMPAT_TRUE}" && test -z "${GLIBCXX_LDBL_COMPAT_FALSE}"; then
+  { { echo "$as_me:$LINENO: error: conditional \"GLIBCXX_LDBL_COMPAT\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+echo "$as_me: error: conditional \"GLIBCXX_LDBL_COMPAT\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
 
 : ${CONFIG_STATUS=./config.status}
 ac_clean_files_save=$ac_clean_files
@@ -90985,6 +91069,8 @@ s,@ENABLE_SYMVERS_GNU_NAMESPACE_TRUE@,$ENABLE_SYMVERS_GNU_NAMESPACE_TRUE,;t t
 s,@ENABLE_SYMVERS_GNU_NAMESPACE_FALSE@,$ENABLE_SYMVERS_GNU_NAMESPACE_FALSE,;t t
 s,@ENABLE_SYMVERS_DARWIN_TRUE@,$ENABLE_SYMVERS_DARWIN_TRUE,;t t
 s,@ENABLE_SYMVERS_DARWIN_FALSE@,$ENABLE_SYMVERS_DARWIN_FALSE,;t t
+s,@GLIBCXX_LDBL_COMPAT_TRUE@,$GLIBCXX_LDBL_COMPAT_TRUE,;t t
+s,@GLIBCXX_LDBL_COMPAT_FALSE@,$GLIBCXX_LDBL_COMPAT_FALSE,;t t
 s,@baseline_dir@,$baseline_dir,;t t
 s,@ATOMICITY_SRCDIR@,$ATOMICITY_SRCDIR,;t t
 s,@ATOMIC_WORD_SRCDIR@,$ATOMIC_WORD_SRCDIR,;t t
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index f14e2396683693dd3e2501bf236ceefaa7982bef..07b2c171e4163d686280e4d3db24a151bce26851 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -284,6 +284,25 @@ fi
 # This depends on GLIBCXX CHECK_LINKER_FEATURES, but without it assumes no.
 GLIBCXX_ENABLE_SYMVERS([yes])
 
+ac_ldbl_compat=no
+case "$target" in
+  powerpc*-*-*gnu* | \
+  sparc*-*-linux* | \
+  s390*-*-linux* | \
+  alpha*-*-linux*)
+  AC_TRY_COMPILE(, [
+#if !defined __LONG_DOUBLE_128__ || (defined(__sparc__) && defined(__arch64__))
+#error no need for long double compatibility
+#endif
+  ], [ac_ldbl_compat=yes], [ac_ldbl_compat=no])
+  if test "$ac_ldbl_compat" = yes; then
+    AC_DEFINE([_GLIBCXX_LONG_DOUBLE_COMPAT],1,
+	      [Define if compatibility should be provided for -mlong-double-64.])
+    port_specific_symbol_files="\$(top_srcdir)/config/os/gnu-linux/ldbl-extra.ver"
+  fi
+esac
+GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes)
+
 # This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE.
 GLIBCXX_CONFIGURE_TESTSUITE
 
diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am
index 4f124abb03a2bd5a0c841c8a5ad18c426e6e1a93..23b94a3aa0ef712254fda6c1c5db31cbd24a1a6c 100644
--- a/libstdc++-v3/include/Makefile.am
+++ b/libstdc++-v3/include/Makefile.am
@@ -865,13 +865,19 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 			      stamp-namespace-version
 	@date=`cat ${toplevel_srcdir}/gcc/DATESTAMP` ;\
 	nsa_version=`cat stamp-namespace-version` ;\
+	ldbl_compat='' ;\
+	grep "^[ 	]*#[ 	]*define[ 	][ 	]*_GLIBCXX_LONG_DOUBLE_COMPAT[ 	][ 	]*1[ 	]*$$" \
+	${CONFIG_HEADER} > /dev/null 2>&1 \
+	&& ldbl_compat='s,^#undef _GLIBCXX_LONG_DOUBLE_COMPAT$$,#define _GLIBCXX_LONG_DOUBLE_COMPAT 1,' ;\
 	sed -e "s,define __GLIBCXX__,define __GLIBCXX__ $$date," \
 	-e "s,define _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION, define _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION $$nsa_version," \
+	-e "$$ldbl_compat" \
             < ${glibcxx_srcdir}/include/bits/c++config > $@ ;\
 	sed -e 's/HAVE_/_GLIBCXX_HAVE_/g' \
 	    -e 's/PACKAGE/_GLIBCXX_PACKAGE/g' \
 	    -e 's/VERSION/_GLIBCXX_VERSION/g' \
 	    -e 's/WORDS_/_GLIBCXX_WORDS_/g' \
+	    -e '/[ 	]_GLIBCXX_LONG_DOUBLE_COMPAT[ 	]/d' \
 	    < ${CONFIG_HEADER} >> $@ ;\
 	echo "" >> $@ ;\
 	echo "#endif // _CXXCONFIG_" >> $@
diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in
index d32cc112e3d2b49f36c833bad0e2191b768f81f2..c04a598d88d59dfeba5a0c9b550a8d66ffffd666 100644
--- a/libstdc++-v3/include/Makefile.in
+++ b/libstdc++-v3/include/Makefile.in
@@ -122,6 +122,8 @@ GLIBCXX_C_HEADERS_C_TRUE = @GLIBCXX_C_HEADERS_C_TRUE@
 GLIBCXX_HOSTED_FALSE = @GLIBCXX_HOSTED_FALSE@
 GLIBCXX_HOSTED_TRUE = @GLIBCXX_HOSTED_TRUE@
 GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
+GLIBCXX_LDBL_COMPAT_FALSE = @GLIBCXX_LDBL_COMPAT_FALSE@
+GLIBCXX_LDBL_COMPAT_TRUE = @GLIBCXX_LDBL_COMPAT_TRUE@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
@@ -1243,13 +1245,19 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 			      stamp-namespace-version
 	@date=`cat ${toplevel_srcdir}/gcc/DATESTAMP` ;\
 	nsa_version=`cat stamp-namespace-version` ;\
+	ldbl_compat='' ;\
+	grep "^[ 	]*#[ 	]*define[ 	][ 	]*_GLIBCXX_LONG_DOUBLE_COMPAT[ 	][ 	]*1[ 	]*$$" \
+	${CONFIG_HEADER} > /dev/null 2>&1 \
+	&& ldbl_compat='s,^#undef _GLIBCXX_LONG_DOUBLE_COMPAT$$,#define _GLIBCXX_LONG_DOUBLE_COMPAT 1,' ;\
 	sed -e "s,define __GLIBCXX__,define __GLIBCXX__ $$date," \
 	-e "s,define _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION, define _GLIBCXX_NAMESPACE_ASSOCIATION_VERSION $$nsa_version," \
+	-e "$$ldbl_compat" \
             < ${glibcxx_srcdir}/include/bits/c++config > $@ ;\
 	sed -e 's/HAVE_/_GLIBCXX_HAVE_/g' \
 	    -e 's/PACKAGE/_GLIBCXX_PACKAGE/g' \
 	    -e 's/VERSION/_GLIBCXX_VERSION/g' \
 	    -e 's/WORDS_/_GLIBCXX_WORDS_/g' \
+	    -e '/[ 	]_GLIBCXX_LONG_DOUBLE_COMPAT[ 	]/d' \
 	    < ${CONFIG_HEADER} >> $@ ;\
 	echo "" >> $@ ;\
 	echo "#endif // _CXXCONFIG_" >> $@
diff --git a/libstdc++-v3/include/bits/c++config b/libstdc++-v3/include/bits/c++config
index 31a60a7e7b20a1081b9c5a3ea616c5b39f5d2ef5..a6a154a8cbe9d5dc1c0e67660f80201c24982a0c 100644
--- a/libstdc++-v3/include/bits/c++config
+++ b/libstdc++-v3/include/bits/c++config
@@ -1,6 +1,6 @@
 // Predefined symbols and macros -*- C++ -*-
 
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -129,6 +129,24 @@ namespace std
 #endif
 #endif
 
+/* Define if compatibility should be provided for -mlong-double-64. */
+#undef _GLIBCXX_LONG_DOUBLE_COMPAT
+
+// XXX GLIBCXX_ABI Deprecated
+// Namespace associations for long double 128 mode.
+_GLIBCXX_BEGIN_NAMESPACE(std)
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+# define _GLIBCXX_LDBL_NAMESPACE __gnu_cxx_ldbl128::
+# define _GLIBCXX_BEGIN_LDBL_NAMESPACE namespace __gnu_cxx_ldbl128 {
+# define _GLIBCXX_END_LDBL_NAMESPACE }
+  namespace __gnu_cxx_ldbl128 { }
+  using namespace __gnu_cxx_ldbl128 __attribute__((__strong__));
+#else
+# define _GLIBCXX_LDBL_NAMESPACE
+# define _GLIBCXX_BEGIN_LDBL_NAMESPACE
+# define _GLIBCXX_END_LDBL_NAMESPACE
+#endif
+_GLIBCXX_END_NAMESPACE
 
 // Allow use of "export template." This is currently not a feature
 // that g++ supports.
diff --git a/libstdc++-v3/include/bits/locale_facets.h b/libstdc++-v3/include/bits/locale_facets.h
index 339bb5339b27e594109b16312dea54e1e5a9a5a3..538fa5183504e2a4c8bc66a413cbc571853e25af 100644
--- a/libstdc++-v3/include/bits/locale_facets.h
+++ b/libstdc++-v3/include/bits/locale_facets.h
@@ -1,6 +1,6 @@
 // Locale support -*- C++ -*-
 
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -1910,6 +1910,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       ~numpunct_byname() { }
     };
 
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
   /**
    *  @brief  Facet for parsing number strings.
    *
@@ -2176,13 +2177,27 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 	     double&) const;
 
+      // XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+      virtual iter_type
+      __do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
+	       double&) const;
+#else
       virtual iter_type
       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 	     long double&) const;
+#endif
 
       virtual iter_type
       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 	     void*&) const;
+
+      // XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+      virtual iter_type
+      do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
+	     long double&) const;
+#endif
       //@}
     };
 
@@ -2438,17 +2453,30 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       virtual iter_type
       do_put(iter_type, ios_base&, char_type __fill, double __v) const;
 
+      // XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+      virtual iter_type
+      __do_put(iter_type, ios_base&, char_type __fill, double __v) const;
+#else
       virtual iter_type
       do_put(iter_type, ios_base&, char_type __fill, long double __v) const;
+#endif
 
       virtual iter_type
       do_put(iter_type, ios_base&, char_type __fill, const void* __v) const;
+
+      // XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+      virtual iter_type
+      do_put(iter_type, ios_base&, char_type __fill, long double __v) const;
+#endif
       //@}
     };
 
   template <typename _CharT, typename _OutIter>
     locale::id num_put<_CharT, _OutIter>::id;
 
+_GLIBCXX_END_LDBL_NAMESPACE
 
   /**
    *  @brief  Facet for localized string comparison.
@@ -3953,6 +3981,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   template<typename _CharT, bool _Intl>
     const bool moneypunct_byname<_CharT, _Intl>::intl;
 
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
   /**
    *  @brief  Facet for parsing monetary amounts.
    *
@@ -4064,9 +4093,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
        *  value.  This function is a hook for derived classes to change the
        *  value returned.  @see get() for details.
        */
+      // XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+      virtual iter_type
+      __do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
+	       ios_base::iostate& __err, double& __units) const;
+#else
       virtual iter_type
       do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
 	     ios_base::iostate& __err, long double& __units) const;
+#endif
 
       /**
        *  @brief  Read and parse a monetary value.
@@ -4079,6 +4115,13 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
 	     ios_base::iostate& __err, string_type& __digits) const;
 
+      // XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+      virtual iter_type
+      do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
+	     ios_base::iostate& __err, long double& __units) const;
+#endif
+
       template<bool _Intl>
         iter_type
         _M_extract(iter_type __s, iter_type __end, ios_base& __io,
@@ -4191,9 +4234,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
        *  @param  units  Place to store result of parsing.
        *  @return  Iterator after writing.
        */
+      // XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+      virtual iter_type
+      __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
+	       double __units) const;
+#else
       virtual iter_type
       do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
 	     long double __units) const;
+#endif
 
       /**
        *  @brief  Format and output a monetary value.
@@ -4217,6 +4267,13 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
 	     const string_type& __digits) const;
 
+      // XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+      virtual iter_type
+      do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
+	     long double __units) const;
+#endif
+
       template<bool _Intl>
         iter_type
         _M_insert(iter_type __s, ios_base& __io, char_type __fill,
@@ -4226,6 +4283,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   template<typename _CharT, typename _OutIter>
     locale::id money_put<_CharT, _OutIter>::id;
 
+_GLIBCXX_END_LDBL_NAMESPACE
+
   /**
    *  @brief  Messages facet base class providing catalog typedef.
    */
diff --git a/libstdc++-v3/include/bits/locale_facets.tcc b/libstdc++-v3/include/bits/locale_facets.tcc
index 9d337e9defa6a50cefcccf60f9a5493f15463ae1..5ba955c289eb32c38226c9abdef041ab6f828dec 100644
--- a/libstdc++-v3/include/bits/locale_facets.tcc
+++ b/libstdc++-v3/include/bits/locale_facets.tcc
@@ -1,6 +1,6 @@
 // Locale support -*- C++ -*-
 
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -272,6 +272,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   __verify_grouping(const char* __grouping, size_t __grouping_size,
 		    const string& __grouping_tmp);
 
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
+
   template<typename _CharT, typename _InIter>
     _InIter
     num_get<_CharT, _InIter>::
@@ -446,6 +448,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       return __beg;
     }
 
+_GLIBCXX_END_LDBL_NAMESPACE
+
   template<typename _ValueT>
     struct __to_unsigned_type
     { typedef _ValueT __type; };
@@ -460,6 +464,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
     { typedef unsigned long long __type; };
 #endif
 
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
+
   template<typename _CharT, typename _InIter>
     template<typename _ValueT>
       _InIter
@@ -772,6 +778,21 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       return __beg;
     }
 
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+  template<typename _CharT, typename _InIter>
+    _InIter
+    num_get<_CharT, _InIter>::
+    __do_get(iter_type __beg, iter_type __end, ios_base& __io,
+	     ios_base::iostate& __err, double& __v) const
+    {
+      string __xtrc;
+      __xtrc.reserve(32);
+      __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
+      std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
+      return __beg;
+    }
+#endif
+
   template<typename _CharT, typename _InIter>
     _InIter
     num_get<_CharT, _InIter>::
@@ -822,6 +843,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       __len = static_cast<int>(__w);
     }
 
+_GLIBCXX_END_LDBL_NAMESPACE
+
   // Forwarding functions to peel signed from unsigned integer types and
   // either cast or compute the absolute value for the former, depending
   // on __basefield.
@@ -911,6 +934,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
       return __bufend - __buf;
     }
 
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
+
   template<typename _CharT, typename _OutIter>
     void
     num_put<_CharT, _OutIter>::
@@ -1233,6 +1258,14 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
     do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
     { return _M_insert_float(__s, __io, __fill, char(), __v); }
 
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+  template<typename _CharT, typename _OutIter>
+    _OutIter
+    num_put<_CharT, _OutIter>::
+    __do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
+    { return _M_insert_float(__s, __io, __fill, char(), __v); }
+#endif
+
   template<typename _CharT, typename _OutIter>
     _OutIter
     num_put<_CharT, _OutIter>::
@@ -1474,6 +1507,23 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
 	return __beg;
       }
 
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+  template<typename _CharT, typename _InIter>
+    _InIter
+    money_get<_CharT, _InIter>::
+    __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
+	     ios_base::iostate& __err, double& __units) const
+    {
+      string __str;
+      if (__intl)
+	__beg = _M_extract<true>(__beg, __end, __io, __err, __str);
+      else
+	__beg = _M_extract<false>(__beg, __end, __io, __err, __str);
+      std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
+      return __beg;
+    }
+#endif
+
   template<typename _CharT, typename _InIter>
     _InIter
     money_get<_CharT, _InIter>::
@@ -1678,7 +1728,18 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
 	__io.width(0);
 	return __s;    
       }
-  
+
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+  template<typename _CharT, typename _OutIter>
+    _OutIter
+    money_put<_CharT, _OutIter>::
+    __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
+	     double __units) const
+    {
+      return this->do_put(__s, __intl, __io, __fill, (long double) __units);
+    }
+#endif
+
   template<typename _CharT, typename _OutIter>
     _OutIter
     money_put<_CharT, _OutIter>::
@@ -1726,6 +1787,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
     { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
 	            : _M_insert<false>(__s, __io, __fill, __digits); }
 
+_GLIBCXX_END_LDBL_NAMESPACE
 
   // NB: Not especially useful. Without an ios_base object or some
   // kind of locale reference, we are left clawing at the air where
@@ -2511,12 +2573,12 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   extern template class moneypunct<char, true>;
   extern template class moneypunct_byname<char, false>;
   extern template class moneypunct_byname<char, true>;
-  extern template class money_get<char>;
-  extern template class money_put<char>;
+  extern template class _GLIBCXX_LDBL_NAMESPACE money_get<char>;
+  extern template class _GLIBCXX_LDBL_NAMESPACE money_put<char>;
   extern template class numpunct<char>;
   extern template class numpunct_byname<char>;
-  extern template class num_get<char>;
-  extern template class num_put<char>;
+  extern template class _GLIBCXX_LDBL_NAMESPACE num_get<char>;
+  extern template class _GLIBCXX_LDBL_NAMESPACE num_put<char>;
   extern template class __timepunct<char>;
   extern template class time_put<char>;
   extern template class time_put_byname<char>;
@@ -2638,12 +2700,12 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   extern template class moneypunct<wchar_t, true>;
   extern template class moneypunct_byname<wchar_t, false>;
   extern template class moneypunct_byname<wchar_t, true>;
-  extern template class money_get<wchar_t>;
-  extern template class money_put<wchar_t>;
+  extern template class _GLIBCXX_LDBL_NAMESPACE money_get<wchar_t>;
+  extern template class _GLIBCXX_LDBL_NAMESPACE money_put<wchar_t>;
   extern template class numpunct<wchar_t>;
   extern template class numpunct_byname<wchar_t>;
-  extern template class num_get<wchar_t>;
-  extern template class num_put<wchar_t>;
+  extern template class _GLIBCXX_LDBL_NAMESPACE num_get<wchar_t>;
+  extern template class _GLIBCXX_LDBL_NAMESPACE num_put<wchar_t>;
   extern template class __timepunct<wchar_t>;
   extern template class time_put<wchar_t>;
   extern template class time_put_byname<wchar_t>;
diff --git a/libstdc++-v3/include/bits/localefwd.h b/libstdc++-v3/include/bits/localefwd.h
index 94cafb2e3872c9ab035c253a6e39ff6add28f0de..2290fbc07c2e00b413bb7f609f6b429a99ed3795 100644
--- a/libstdc++-v3/include/bits/localefwd.h
+++ b/libstdc++-v3/include/bits/localefwd.h
@@ -1,6 +1,6 @@
 // Locale support -*- C++ -*-
 
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -129,10 +129,12 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
     class codecvt_byname;
 
   // 22.2.2 and 22.2.3 numeric
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
   template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >
     class num_get;
   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
     class num_put;
+_GLIBCXX_END_LDBL_NAMESPACE
   template<typename _CharT> class numpunct;
   template<typename _CharT> class numpunct_byname;
 
@@ -155,10 +157,12 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
 
   // 22.2.6 money
   class money_base;
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
     class money_get;
   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
     class money_put;
+_GLIBCXX_END_LDBL_NAMESPACE
   template<typename _CharT, bool _Intl = false>
     class moneypunct;
   template<typename _CharT, bool _Intl = false>
diff --git a/libstdc++-v3/libmath/Makefile.in b/libstdc++-v3/libmath/Makefile.in
index 74aeac507fd699a0bdcccf5c201f5a07ecff2a8b..c14bf144840741fcf2146085e2bfd80c27419f0f 100644
--- a/libstdc++-v3/libmath/Makefile.in
+++ b/libstdc++-v3/libmath/Makefile.in
@@ -137,6 +137,8 @@ GLIBCXX_C_HEADERS_C_TRUE = @GLIBCXX_C_HEADERS_C_TRUE@
 GLIBCXX_HOSTED_FALSE = @GLIBCXX_HOSTED_FALSE@
 GLIBCXX_HOSTED_TRUE = @GLIBCXX_HOSTED_TRUE@
 GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
+GLIBCXX_LDBL_COMPAT_FALSE = @GLIBCXX_LDBL_COMPAT_FALSE@
+GLIBCXX_LDBL_COMPAT_TRUE = @GLIBCXX_LDBL_COMPAT_TRUE@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
diff --git a/libstdc++-v3/libsupc++/Makefile.in b/libstdc++-v3/libsupc++/Makefile.in
index 0b132b024bfdbb9e2a9126ba8a2537d3d15f172e..5ae37a04529796e8847aa03e816dac34d06bef38 100644
--- a/libstdc++-v3/libsupc++/Makefile.in
+++ b/libstdc++-v3/libsupc++/Makefile.in
@@ -178,6 +178,8 @@ GLIBCXX_C_HEADERS_C_TRUE = @GLIBCXX_C_HEADERS_C_TRUE@
 GLIBCXX_HOSTED_FALSE = @GLIBCXX_HOSTED_FALSE@
 GLIBCXX_HOSTED_TRUE = @GLIBCXX_HOSTED_TRUE@
 GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
+GLIBCXX_LDBL_COMPAT_FALSE = @GLIBCXX_LDBL_COMPAT_FALSE@
+GLIBCXX_LDBL_COMPAT_TRUE = @GLIBCXX_LDBL_COMPAT_TRUE@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
diff --git a/libstdc++-v3/po/Makefile.in b/libstdc++-v3/po/Makefile.in
index 053229cd2b1ce2c9e7b0e9076e2e9d76a4efd506..3a91097784c2e753120e9f84dbc804a617479401 100644
--- a/libstdc++-v3/po/Makefile.in
+++ b/libstdc++-v3/po/Makefile.in
@@ -122,6 +122,8 @@ GLIBCXX_C_HEADERS_C_TRUE = @GLIBCXX_C_HEADERS_C_TRUE@
 GLIBCXX_HOSTED_FALSE = @GLIBCXX_HOSTED_FALSE@
 GLIBCXX_HOSTED_TRUE = @GLIBCXX_HOSTED_TRUE@
 GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
+GLIBCXX_LDBL_COMPAT_FALSE = @GLIBCXX_LDBL_COMPAT_FALSE@
+GLIBCXX_LDBL_COMPAT_TRUE = @GLIBCXX_LDBL_COMPAT_TRUE@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
diff --git a/libstdc++-v3/src/Makefile.am b/libstdc++-v3/src/Makefile.am
index 973e75ff157d5979aa1e4b512c6c58123d297b4e..b3ada6aeddb3eabb96e92df25202caa484660f9a 100644
--- a/libstdc++-v3/src/Makefile.am
+++ b/libstdc++-v3/src/Makefile.am
@@ -33,10 +33,15 @@ libstdc++-symbols.ver:  ${glibcxx_srcdir}/$(SYMVER_FILE) \
 		$(port_specific_symbol_files)
 	cp ${glibcxx_srcdir}/$(SYMVER_FILE) ./libstdc++-symbols.ver
 	if test "x$(port_specific_symbol_files)" != x; then \
-	  sed -n '1,/DO NOT DELETE/p' $@ > tmp.top; \
-	  sed -n '/DO NOT DELETE/,$$p' $@ > tmp.bottom; \
-	  cat tmp.top $(port_specific_symbol_files) tmp.bottom > $@; \
-	  rm tmp.top tmp.bottom; \
+	  if grep '^# Appended to version file.' \
+	       $(port_specific_symbol_files) /dev/null > /dev/null 2>&1; then \
+	    cat $(port_specific_symbol_files) >> $@; \
+	  else \
+	    sed -n '1,/DO NOT DELETE/p' $@ > tmp.top; \
+	    sed -n '/DO NOT DELETE/,$$p' $@ > tmp.bottom; \
+	    cat tmp.top $(port_specific_symbol_files) tmp.bottom > $@; \
+	    rm tmp.top tmp.bottom; \
+	  fi; \
 	fi
 
 if ENABLE_SYMVERS_GNU
@@ -115,6 +120,12 @@ c++locale.cc: ${glibcxx_srcdir}/$(CLOCALE_CC)
 basic_file.cc: ${glibcxx_srcdir}/$(BASIC_FILE_CC)
 	$(LN_S) ${glibcxx_srcdir}/$(BASIC_FILE_CC) ./$@ || true
 
+if GLIBCXX_LDBL_COMPAT
+ldbl_compat_sources = compatibility-ldbl.cc
+else
+ldbl_compat_sources =
+endif
+
 # Sources present in the src directory.
 sources = \
 	bitmap_allocator.cc \
@@ -162,7 +173,8 @@ sources = \
 	wlocale-inst.cc \
 	wstring-inst.cc \
 	${host_sources} \
-	${host_sources_extra}
+	${host_sources_extra} \
+	${ldbl_compat_sources}
 
 VPATH = $(top_srcdir)/src:$(top_srcdir)
 
@@ -193,6 +205,15 @@ concept-inst.lo: concept-inst.cc
 concept-inst.o: concept-inst.cc
 	$(CXXCOMPILE) -D_GLIBCXX_CONCEPT_CHECKS -fimplicit-templates -c $<
 
+if GLIBCXX_LDBL_COMPAT
+# Use special rules for compatibility-ldbl.cc compilation, as we need to
+# pass -mlong-double-64.
+compatibility-ldbl.lo: compatibility-ldbl.cc
+	$(LTCXXCOMPILE) -mlong-double-64 -c $<
+compatibility-ldbl.o: compatibility-ldbl.cc
+	$(CXXCOMPILE) -mlong-double-64 -c $<
+endif
+
 # AM_CXXFLAGS needs to be in each subdirectory so that it can be
 # modified in a per-library or per-sub-library way.  Need to manually
 # set this option because CONFIG_CXXFLAGS has to be after
diff --git a/libstdc++-v3/src/Makefile.in b/libstdc++-v3/src/Makefile.in
index 1a99a63e3e63bcfe65d89fee02352b5eb71c20f9..c6e412e3c5348b8d1d093750f894b259d9689a1a 100644
--- a/libstdc++-v3/src/Makefile.in
+++ b/libstdc++-v3/src/Makefile.in
@@ -59,11 +59,27 @@ am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
 am__installdirs = "$(DESTDIR)$(toolexeclibdir)"
 toolexeclibLTLIBRARIES_INSTALL = $(INSTALL)
 LTLIBRARIES = $(toolexeclib_LTLIBRARIES)
+am__libstdc___la_SOURCES_DIST = bitmap_allocator.cc pool_allocator.cc \
+	mt_allocator.cc codecvt.cc compatibility.cc complex_io.cc \
+	ctype.cc debug.cc debug_list.cc functexcept.cc \
+	globals_locale.cc globals_io.cc ios.cc ios_failure.cc \
+	ios_init.cc ios_locale.cc limits.cc list.cc locale.cc \
+	locale_init.cc locale_facets.cc localename.cc stdexcept.cc \
+	strstream.cc tree.cc allocator-inst.cc concept-inst.cc \
+	fstream-inst.cc ext-inst.cc ios-inst.cc iostream-inst.cc \
+	istream-inst.cc istream.cc locale-inst.cc locale-misc-inst.cc \
+	misc-inst.cc ostream-inst.cc sstream-inst.cc streambuf-inst.cc \
+	streambuf.cc string-inst.cc valarray-inst.cc wlocale-inst.cc \
+	wstring-inst.cc atomicity.cc codecvt_members.cc \
+	collate_members.cc ctype_members.cc messages_members.cc \
+	monetary_members.cc numeric_members.cc time_members.cc \
+	basic_file.cc c++locale.cc compatibility-ldbl.cc
 am__objects_1 = atomicity.lo codecvt_members.lo collate_members.lo \
 	ctype_members.lo messages_members.lo monetary_members.lo \
 	numeric_members.lo time_members.lo
 am__objects_2 = basic_file.lo c++locale.lo
-am__objects_3 = bitmap_allocator.lo pool_allocator.lo mt_allocator.lo \
+@GLIBCXX_LDBL_COMPAT_TRUE@am__objects_3 = compatibility-ldbl.lo
+am__objects_4 = bitmap_allocator.lo pool_allocator.lo mt_allocator.lo \
 	codecvt.lo compatibility.lo complex_io.lo ctype.lo debug.lo \
 	debug_list.lo functexcept.lo globals_locale.lo globals_io.lo \
 	ios.lo ios_failure.lo ios_init.lo ios_locale.lo limits.lo \
@@ -74,8 +90,9 @@ am__objects_3 = bitmap_allocator.lo pool_allocator.lo mt_allocator.lo \
 	locale-inst.lo locale-misc-inst.lo misc-inst.lo \
 	ostream-inst.lo sstream-inst.lo streambuf-inst.lo streambuf.lo \
 	string-inst.lo valarray-inst.lo wlocale-inst.lo \
-	wstring-inst.lo $(am__objects_1) $(am__objects_2)
-am_libstdc___la_OBJECTS = $(am__objects_3)
+	wstring-inst.lo $(am__objects_1) $(am__objects_2) \
+	$(am__objects_3)
+am_libstdc___la_OBJECTS = $(am__objects_4)
 libstdc___la_OBJECTS = $(am_libstdc___la_OBJECTS)
 DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)
 depcomp =
@@ -84,7 +101,7 @@ CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
 	$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
 CXXLD = $(CXX)
 SOURCES = $(libstdc___la_SOURCES)
-DIST_SOURCES = $(libstdc___la_SOURCES)
+DIST_SOURCES = $(am__libstdc___la_SOURCES_DIST)
 ETAGS = etags
 CTAGS = ctags
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
@@ -156,6 +173,8 @@ GLIBCXX_C_HEADERS_C_TRUE = @GLIBCXX_C_HEADERS_C_TRUE@
 GLIBCXX_HOSTED_FALSE = @GLIBCXX_HOSTED_FALSE@
 GLIBCXX_HOSTED_TRUE = @GLIBCXX_HOSTED_TRUE@
 GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
+GLIBCXX_LDBL_COMPAT_FALSE = @GLIBCXX_LDBL_COMPAT_FALSE@
+GLIBCXX_LDBL_COMPAT_TRUE = @GLIBCXX_LDBL_COMPAT_TRUE@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
@@ -308,6 +327,8 @@ host_sources_extra = \
 	basic_file.cc \
 	c++locale.cc
 
+@GLIBCXX_LDBL_COMPAT_FALSE@ldbl_compat_sources = 
+@GLIBCXX_LDBL_COMPAT_TRUE@ldbl_compat_sources = compatibility-ldbl.cc
 
 # Sources present in the src directory.
 sources = \
@@ -356,7 +377,8 @@ sources = \
 	wlocale-inst.cc \
 	wstring-inst.cc \
 	${host_sources} \
-	${host_sources_extra}
+	${host_sources_extra} \
+	${ldbl_compat_sources}
 
 libstdc___la_SOURCES = $(sources)
 libstdc___la_LIBADD = \
@@ -681,10 +703,15 @@ uninstall-am: uninstall-info-am uninstall-toolexeclibLTLIBRARIES
 @ENABLE_SYMVERS_TRUE@		$(port_specific_symbol_files)
 @ENABLE_SYMVERS_TRUE@	cp ${glibcxx_srcdir}/$(SYMVER_FILE) ./libstdc++-symbols.ver
 @ENABLE_SYMVERS_TRUE@	if test "x$(port_specific_symbol_files)" != x; then \
-@ENABLE_SYMVERS_TRUE@	  sed -n '1,/DO NOT DELETE/p' $@ > tmp.top; \
-@ENABLE_SYMVERS_TRUE@	  sed -n '/DO NOT DELETE/,$$p' $@ > tmp.bottom; \
-@ENABLE_SYMVERS_TRUE@	  cat tmp.top $(port_specific_symbol_files) tmp.bottom > $@; \
-@ENABLE_SYMVERS_TRUE@	  rm tmp.top tmp.bottom; \
+@ENABLE_SYMVERS_TRUE@	  if grep '^# Appended to version file.' \
+@ENABLE_SYMVERS_TRUE@	       $(port_specific_symbol_files) /dev/null > /dev/null 2>&1; then \
+@ENABLE_SYMVERS_TRUE@	    cat $(port_specific_symbol_files) >> $@; \
+@ENABLE_SYMVERS_TRUE@	  else \
+@ENABLE_SYMVERS_TRUE@	    sed -n '1,/DO NOT DELETE/p' $@ > tmp.top; \
+@ENABLE_SYMVERS_TRUE@	    sed -n '/DO NOT DELETE/,$$p' $@ > tmp.bottom; \
+@ENABLE_SYMVERS_TRUE@	    cat tmp.top $(port_specific_symbol_files) tmp.bottom > $@; \
+@ENABLE_SYMVERS_TRUE@	    rm tmp.top tmp.bottom; \
+@ENABLE_SYMVERS_TRUE@	  fi; \
 @ENABLE_SYMVERS_TRUE@	fi
 @ENABLE_SYMVERS_DARWIN_TRUE@@ENABLE_SYMVERS_TRUE@libstdc++-symbols.explist : libstdc++-symbols.ver \
 @ENABLE_SYMVERS_DARWIN_TRUE@@ENABLE_SYMVERS_TRUE@		${glibcxx_srcdir}/scripts/make_exports.pl \
@@ -737,6 +764,13 @@ concept-inst.lo: concept-inst.cc
 concept-inst.o: concept-inst.cc
 	$(CXXCOMPILE) -D_GLIBCXX_CONCEPT_CHECKS -fimplicit-templates -c $<
 
+# Use special rules for compatibility-ldbl.cc compilation, as we need to
+# pass -mlong-double-64.
+@GLIBCXX_LDBL_COMPAT_TRUE@compatibility-ldbl.lo: compatibility-ldbl.cc
+@GLIBCXX_LDBL_COMPAT_TRUE@	$(LTCXXCOMPILE) -mlong-double-64 -c $<
+@GLIBCXX_LDBL_COMPAT_TRUE@compatibility-ldbl.o: compatibility-ldbl.cc
+@GLIBCXX_LDBL_COMPAT_TRUE@	$(CXXCOMPILE) -mlong-double-64 -c $<
+
 # Added bits to build debug library.
 @GLIBCXX_BUILD_DEBUG_TRUE@all-local: build_debug
 @GLIBCXX_BUILD_DEBUG_TRUE@install-data-local: install_debug
diff --git a/libstdc++-v3/src/compatibility-ldbl.cc b/libstdc++-v3/src/compatibility-ldbl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..108790efabc6bbd493f3502ab6ac86f8a3d79654
--- /dev/null
+++ b/libstdc++-v3/src/compatibility-ldbl.cc
@@ -0,0 +1,73 @@
+// Compatibility symbols for -mlong-double-64 compatibility -*- C++ -*-
+
+// Copyright (C) 2006
+// 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// 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 <locale>
+
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+
+#ifdef __LONG_DOUBLE_128__
+#error "compatibility-ldbl.cc must be compiled with -mlong-double-64"
+#endif
+
+namespace std
+{
+#define C char
+  template class num_get<C, istreambuf_iterator<C> >;
+  template class num_put<C, ostreambuf_iterator<C> >;
+  template class money_get<C, istreambuf_iterator<C> >;
+  template class money_put<C, ostreambuf_iterator<C> >;
+  template const num_put<C>& use_facet<num_put<C> >(const locale&);
+  template const num_get<C>& use_facet<num_get<C> >(const locale&);
+  template const money_put<C>& use_facet<money_put<C> >(const locale&);
+  template const money_get<C>& use_facet<money_get<C> >(const locale&);
+  template bool has_facet<num_put<C> >(const locale&);
+  template bool has_facet<num_get<C> >(const locale&);
+  template bool has_facet<money_put<C> >(const locale&);
+  template bool has_facet<money_get<C> >(const locale&);
+#undef C
+#ifdef _GLIBCXX_USE_WCHAR_T
+#define C wchar_t
+  template class num_get<C, istreambuf_iterator<C> >;
+  template class num_put<C, ostreambuf_iterator<C> >;
+  template class money_get<C, istreambuf_iterator<C> >;
+  template class money_put<C, ostreambuf_iterator<C> >;
+  template const num_put<C>& use_facet<num_put<C> >(const locale&);
+  template const num_get<C>& use_facet<num_get<C> >(const locale&);
+  template const money_put<C>& use_facet<money_put<C> >(const locale&);
+  template const money_get<C>& use_facet<money_get<C> >(const locale&);
+  template bool has_facet<num_put<C> >(const locale&);
+  template bool has_facet<num_get<C> >(const locale&);
+  template bool has_facet<money_put<C> >(const locale&);
+  template bool has_facet<money_get<C> >(const locale&);
+#undef C
+#endif
+}
+
+#endif
diff --git a/libstdc++-v3/src/compatibility.cc b/libstdc++-v3/src/compatibility.cc
index ce661600507da35f7c369f3642070c9472b5ec66..3353ba4f5a041d405223e22a9ed03b7ecf5502c9 100644
--- a/libstdc++-v3/src/compatibility.cc
+++ b/libstdc++-v3/src/compatibility.cc
@@ -1,6 +1,6 @@
 // Compatibility symbols for previous versions -*- C++ -*-
 
-// Copyright (C) 2005
+// Copyright (C) 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -51,6 +51,7 @@
 #include <istream>
 #include <fstream>
 #include <sstream>
+#include <cmath>
 
 _GLIBCXX_BEGIN_NAMESPACE(std)
 
@@ -467,11 +468,113 @@ _GLIBCXX_ASM_SYMVER(_ZNKSt13__gnu_debugXX16_Error_formatter15_M_print_stringEPKc
 _ZNK11__gnu_debug16_Error_formatter15_M_print_stringEPKc, \
 GLIBCXX_3.4)
 
+// gcc-4.1.0
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+#define _GLIBCXX_MATHL_WRAPPER(name, argdecl, args, ver) \
+extern "C" double						\
+__ ## name ## l_wrapper argdecl					\
+{								\
+  return name args;						\
+}								\
+asm (".symver __" #name "l_wrapper, " #name "l@" #ver)
 
+#define _GLIBCXX_MATHL_WRAPPER1(name, ver) \
+  _GLIBCXX_MATHL_WRAPPER (name, (double x), (x), ver)
+
+#define _GLIBCXX_MATHL_WRAPPER2(name, ver) \
+  _GLIBCXX_MATHL_WRAPPER (name, (double x, double y), (x, y), ver)
+
+#ifdef _GLIBCXX_HAVE_ACOSL
+_GLIBCXX_MATHL_WRAPPER1 (acos, GLIBCXX_3.4.3);
+#endif
+#ifdef _GLIBCXX_HAVE_ASINL
+_GLIBCXX_MATHL_WRAPPER1 (asin, GLIBCXX_3.4.3);
+#endif
+#ifdef _GLIBCXX_HAVE_ATAN2L
+_GLIBCXX_MATHL_WRAPPER2 (atan2, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_ATANL
+_GLIBCXX_MATHL_WRAPPER1 (atan, GLIBCXX_3.4.3);
+#endif
+#ifdef _GLIBCXX_HAVE_CEILL
+_GLIBCXX_MATHL_WRAPPER1 (ceil, GLIBCXX_3.4.3);
+#endif
+#ifdef _GLIBCXX_HAVE_COSHL
+_GLIBCXX_MATHL_WRAPPER1 (cosh, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_COSL
+_GLIBCXX_MATHL_WRAPPER1 (cos, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_EXPL
+_GLIBCXX_MATHL_WRAPPER1 (exp, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_FLOORL
+_GLIBCXX_MATHL_WRAPPER1 (floor, GLIBCXX_3.4.3);
+#endif
+#ifdef _GLIBCXX_HAVE_FMODL
+_GLIBCXX_MATHL_WRAPPER2 (fmod, GLIBCXX_3.4.3);
+#endif
+#ifdef _GLIBCXX_HAVE_FREXPL
+_GLIBCXX_MATHL_WRAPPER (frexp, (double x, int *y), (x, y), GLIBCXX_3.4.3);
+#endif
+#ifdef _GLIBCXX_HAVE_HYPOTL
+_GLIBCXX_MATHL_WRAPPER2 (hypot, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_LDEXPL
+_GLIBCXX_MATHL_WRAPPER (ldexp, (double x, int y), (x, y), GLIBCXX_3.4.3);
 #endif
+#ifdef _GLIBCXX_HAVE_LOG10L
+_GLIBCXX_MATHL_WRAPPER1 (log10, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_LOGL
+_GLIBCXX_MATHL_WRAPPER1 (log, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_MODFL
+_GLIBCXX_MATHL_WRAPPER (modf, (double x, double *y), (x, y), GLIBCXX_3.4.3);
+#endif
+#ifdef _GLIBCXX_HAVE_POWL
+_GLIBCXX_MATHL_WRAPPER2 (pow, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_SINHL
+_GLIBCXX_MATHL_WRAPPER1 (sinh, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_SINL
+_GLIBCXX_MATHL_WRAPPER1 (sin, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_SQRTL
+_GLIBCXX_MATHL_WRAPPER1 (sqrt, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_TANHL
+_GLIBCXX_MATHL_WRAPPER1 (tanh, GLIBCXX_3.4);
+#endif
+#ifdef _GLIBCXX_HAVE_TANL
+_GLIBCXX_MATHL_WRAPPER1 (tan, GLIBCXX_3.4);
+#endif
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
+
+#endif
+
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+extern void *_ZTVN10__cxxabiv123__fundamental_type_infoE[];
+extern void *_ZTVN10__cxxabiv119__pointer_type_infoE[];
+extern __attribute__((used, weak)) const char _ZTSe[2] = "e";
+extern __attribute__((used, weak)) const char _ZTSPe[3] = "Pe";
+extern __attribute__((used, weak)) const char _ZTSPKe[4] = "PKe";
+extern __attribute__((used, weak)) const void *_ZTIe[2]
+  = { (void *) &_ZTVN10__cxxabiv123__fundamental_type_infoE[2],
+      (void *) _ZTSe };
+extern __attribute__((used, weak)) const void *_ZTIPe[4]
+  = { (void *) &_ZTVN10__cxxabiv119__pointer_type_infoE[2],
+      (void *) _ZTSPe, (void *) 0L, (void *) _ZTIe };
+extern __attribute__((used, weak)) const void *_ZTIPKe[4]
+  = { (void *) &_ZTVN10__cxxabiv119__pointer_type_infoE[2],
+      (void *) _ZTSPKe, (void *) 1L, (void *) _ZTIe };
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
+
+
 
 #ifdef _GLIBCXX_SYMVER_DARWIN
-#if (defined(__ppc__) || defined (__ppc64__)) && defined (PIC)
+#if (defined(__ppc__) || defined(__ppc64__)) && defined(PIC)
 /* __eprintf shouldn't have been made visible from libstdc++, or
    anywhere, but on Mac OS X 10.4 it was defined in
    libstdc++.6.0.3.dylib; so on that platform we have to keep defining
diff --git a/libstdc++-v3/src/complex_io.cc b/libstdc++-v3/src/complex_io.cc
index 103795888b0fe7c18729a7e6636bdf8bd2cff42c..e65a22d8457e3a38f6cb08bb94b385f687d6b905 100644
--- a/libstdc++-v3/src/complex_io.cc
+++ b/libstdc++-v3/src/complex_io.cc
@@ -1,6 +1,6 @@
 // The template and inlines for the -*- C++ -*- complex number classes.
 
-// Copyright (C) 2000, 2001, 2005 Free Software Foundation, Inc.
+// Copyright (C) 2000, 2001, 2005, 2006 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
@@ -92,3 +92,20 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
 #endif //_GLIBCXX_USE_WCHAR_T
 
 _GLIBCXX_END_NAMESPACE
+
+// XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+
+#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
+  extern "C" void ldbl (void) __attribute__ ((alias (#dbl), weak))
+
+_GLIBCXX_LDBL_COMPAT (_ZStlsIdcSt11char_traitsIcEERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E,
+		      _ZStlsIecSt11char_traitsIcEERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E);
+_GLIBCXX_LDBL_COMPAT (_ZStlsIdwSt11char_traitsIwEERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E,
+		      _ZStlsIewSt11char_traitsIwEERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E);
+_GLIBCXX_LDBL_COMPAT (_ZStrsIdcSt11char_traitsIcEERSt13basic_istreamIT0_T1_ES6_RSt7complexIT_E,
+		      _ZStrsIecSt11char_traitsIcEERSt13basic_istreamIT0_T1_ES6_RSt7complexIT_E);
+_GLIBCXX_LDBL_COMPAT (_ZStrsIdwSt11char_traitsIwEERSt13basic_istreamIT0_T1_ES6_RSt7complexIT_E,
+		      _ZStrsIewSt11char_traitsIwEERSt13basic_istreamIT0_T1_ES6_RSt7complexIT_E);
+
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
diff --git a/libstdc++-v3/src/istream-inst.cc b/libstdc++-v3/src/istream-inst.cc
index 2e5c7d344187f5247f07dd7bf8930c40b994dbde..7140ab27ba128fc962bc9ab05f8c4a4d75b809d0 100644
--- a/libstdc++-v3/src/istream-inst.cc
+++ b/libstdc++-v3/src/istream-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2005
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -96,3 +96,18 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
 #endif
 
 _GLIBCXX_END_NAMESPACE
+
+// XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+
+#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
+  extern "C" void ldbl (void) __attribute__ ((alias (#dbl), weak))
+_GLIBCXX_LDBL_COMPAT (_ZNSirsERd, _ZNSirsERe);
+_GLIBCXX_LDBL_COMPAT (_ZNSt13basic_istreamIwSt11char_traitsIwEErsERd,
+		      _ZNSt13basic_istreamIwSt11char_traitsIwEErsERe);
+_GLIBCXX_LDBL_COMPAT (_ZNSi10_M_extractIdEERSiRT_,
+		      _ZNSi10_M_extractIeEERSiRT_);
+_GLIBCXX_LDBL_COMPAT (_ZNSt13basic_istreamIwSt11char_traitsIwEE10_M_extractIdEERS2_RT_,
+		      _ZNSt13basic_istreamIwSt11char_traitsIwEE10_M_extractIeEERS2_RT_);
+
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
diff --git a/libstdc++-v3/src/limits.cc b/libstdc++-v3/src/limits.cc
index 235ecd61813289ff09cc41ecb2b5fc526774b0c0..5771bc32a7caebad3bf2f08eb5e63048f932dc30 100644
--- a/libstdc++-v3/src/limits.cc
+++ b/libstdc++-v3/src/limits.cc
@@ -1,6 +1,6 @@
 // Static data members of -*- C++ -*- numeric_limits classes
 
-// Copyright (C) 1999, 2001, 2002, 2005 Free Software Foundation, Inc.
+// Copyright (C) 1999, 2001, 2002, 2005, 2006 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
@@ -448,3 +448,34 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   const float_round_style numeric_limits<long double>::round_style;
 
 _GLIBCXX_END_NAMESPACE
+
+// XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+
+#define _GLIBCXX_NUM_LIM_COMPAT(type, member, len) \
+  extern "C" type _ZNSt14numeric_limitsIeE ## len ## member ## E \
+  __attribute__ ((alias ("_ZNSt14numeric_limitsIdE" #len #member "E")))
+_GLIBCXX_NUM_LIM_COMPAT (bool, is_specialized, 14);
+_GLIBCXX_NUM_LIM_COMPAT (int, digits, 6);
+_GLIBCXX_NUM_LIM_COMPAT (int, digits10, 8);
+_GLIBCXX_NUM_LIM_COMPAT (bool, is_signed, 9);
+_GLIBCXX_NUM_LIM_COMPAT (bool, is_integer, 10);
+_GLIBCXX_NUM_LIM_COMPAT (bool, is_exact, 8);
+_GLIBCXX_NUM_LIM_COMPAT (int, radix, 5);
+_GLIBCXX_NUM_LIM_COMPAT (int, min_exponent, 12);
+_GLIBCXX_NUM_LIM_COMPAT (int, min_exponent10, 14);
+_GLIBCXX_NUM_LIM_COMPAT (int, max_exponent, 12);
+_GLIBCXX_NUM_LIM_COMPAT (int, max_exponent10, 14);
+_GLIBCXX_NUM_LIM_COMPAT (bool, has_infinity, 12);
+_GLIBCXX_NUM_LIM_COMPAT (bool, has_quiet_NaN, 13);
+_GLIBCXX_NUM_LIM_COMPAT (bool, has_signaling_NaN, 17);
+_GLIBCXX_NUM_LIM_COMPAT (std::float_denorm_style, has_denorm, 10);
+_GLIBCXX_NUM_LIM_COMPAT (bool, has_denorm_loss, 15);
+_GLIBCXX_NUM_LIM_COMPAT (bool, is_iec559, 9);
+_GLIBCXX_NUM_LIM_COMPAT (bool, is_bounded, 10);
+_GLIBCXX_NUM_LIM_COMPAT (bool, is_modulo, 9);
+_GLIBCXX_NUM_LIM_COMPAT (bool, traps, 5);
+_GLIBCXX_NUM_LIM_COMPAT (bool, tinyness_before, 15);
+_GLIBCXX_NUM_LIM_COMPAT (std::float_round_style, round_style, 11);
+
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
diff --git a/libstdc++-v3/src/locale-inst.cc b/libstdc++-v3/src/locale-inst.cc
index fd2a8d4b8280a687a9c483ca812c496ab7331a82..790e6146943b82917c9360d4f72549d4606c3715 100644
--- a/libstdc++-v3/src/locale-inst.cc
+++ b/libstdc++-v3/src/locale-inst.cc
@@ -1,6 +1,6 @@
 // Locale support -*- C++ -*-
 
-// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -37,6 +37,7 @@
 // Instantiation configuration.
 #ifndef C
 # define C char
+# define C_is_char
 #endif
 
 _GLIBCXX_BEGIN_NAMESPACE(std)
@@ -48,6 +49,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   template struct __moneypunct_cache<C, true>;
   template class moneypunct_byname<C, false>;
   template class moneypunct_byname<C, true>;
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
   template class money_get<C, istreambuf_iterator<C> >;
   template class money_put<C, ostreambuf_iterator<C> >;
   template
@@ -73,11 +75,13 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
     money_put<C, ostreambuf_iterator<C> >::
     _M_insert<false>(ostreambuf_iterator<C>, ios_base&, C, 
 		     const string_type&) const;
+_GLIBCXX_END_LDBL_NAMESPACE
 
   // numpunct, numpunct_byname, num_get, and num_put
   template class numpunct<C>;
   template struct __numpunct_cache<C>;
   template class numpunct_byname<C>;
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
   template class num_get<C, istreambuf_iterator<C> >;
   template class num_put<C, ostreambuf_iterator<C> >; 
   template
@@ -161,7 +165,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
     num_put<C, ostreambuf_iterator<C> >::
     _M_insert_float(ostreambuf_iterator<C>, ios_base&, C, char, 
 		    long double) const;
-  
+_GLIBCXX_END_LDBL_NAMESPACE
+
   // time_get and time_put
   template class __timepunct<C>;
   template struct __timepunct_cache<C>;
@@ -315,3 +320,44 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
 #endif
 
 _GLIBCXX_END_NAMESPACE
+
+// XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined C_is_char
+
+#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
+  extern "C" void ldbl (void) __attribute__ ((alias (#dbl), weak))
+
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIjEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIjEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIlEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIlEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intImEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intImEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intItEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intItEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIxEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIxEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIyEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIyEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIlEES4_S4_RSt8ios_basecT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIlEES3_S3_RSt8ios_basecT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intImEES4_S4_RSt8ios_basecT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intImEES3_S3_RSt8ios_basecT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIxEES4_S4_RSt8ios_basecT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIxEES3_S3_RSt8ios_basecT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIyEES4_S4_RSt8ios_basecT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIyEES3_S3_RSt8ios_basecT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES4_S4_RSt8ios_baseccT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES3_S3_RSt8ios_baseccT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES3_S3_RSt8ios_baseccT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIeEES3_S3_RSt8ios_baseccT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb0EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
+		     _ZNKSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb0EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb1EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
+		     _ZNKSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb1EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb0EEES4_S4_RSt8ios_basecRKSs,
+		     _ZNKSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb0EEES3_S3_RSt8ios_basecRKSs);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES4_S4_RSt8ios_basecRKSs,
+		     _ZNKSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES3_S3_RSt8ios_basecRKSs);
+
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
diff --git a/libstdc++-v3/src/locale-misc-inst.cc b/libstdc++-v3/src/locale-misc-inst.cc
index 32b759783528d1e5bc9250988e53e0d3947e8aee..8af73596a6bdfb1dbadfc766c015a680c9256bc9 100644
--- a/libstdc++-v3/src/locale-misc-inst.cc
+++ b/libstdc++-v3/src/locale-misc-inst.cc
@@ -1,6 +1,6 @@
 // Locale support -*- C++ -*-
 
-// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2005
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -47,3 +47,19 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
 		     const __c_locale&, int);
 
 _GLIBCXX_END_NAMESPACE
+
+// XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT
+
+#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
+  extern "C" void ldbl (void) __attribute__ ((alias (#dbl), weak))
+
+# if _GLIBCXX_C_LOCALE_GNU
+_GLIBCXX_LDBL_COMPAT(_ZSt16__convert_from_vIdEiPciPKcT_RKP15__locale_structi,
+		     _ZSt16__convert_from_vIeEiPciPKcT_RKP15__locale_structi);
+# else
+_GLIBCXX_LDBL_COMPAT(_ZSt16__convert_from_vIdEiPciPKcT_RKPii,
+		     _ZSt16__convert_from_vIeEiPciPKcT_RKPii);
+# endif
+
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
diff --git a/libstdc++-v3/src/locale.cc b/libstdc++-v3/src/locale.cc
index 713d3993d2f7cb5ebaf0fef6d791dcf39f656746..7f54ab85867cf0c15f30d56a9aa78dcc91982d16 100644
--- a/libstdc++-v3/src/locale.cc
+++ b/libstdc++-v3/src/locale.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -41,6 +41,21 @@ namespace __gnu_internal
   static __glibcxx_mutex_define_initialized(locale_cache_mutex);
 }
 
+// XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+# define _GLIBCXX_LOC_ID(mangled) extern std::locale::id mangled
+_GLIBCXX_LOC_ID (_ZNSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+# ifdef _GLIBCXX_USE_WCHAR_T
+_GLIBCXX_LOC_ID (_ZNSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+_GLIBCXX_LOC_ID (_ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+# endif
+#endif
+
 _GLIBCXX_BEGIN_NAMESPACE(std)
 
   // Definitions for static const data members of locale.
@@ -398,10 +413,30 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
   locale::id::_M_id() const
   {
     if (!_M_index)
-      _M_index = 1 + __gnu_cxx::__exchange_and_add(&_S_refcount, 1);
+      {
+	// XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+	locale::id *f = 0;
+# define _GLIBCXX_SYNC_ID(facet, mangled) \
+	if (this == &::mangled)				\
+	  f = &facet::id
+	_GLIBCXX_SYNC_ID (num_get<char>, _ZNSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+	_GLIBCXX_SYNC_ID (num_put<char>, _ZNSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+	_GLIBCXX_SYNC_ID (money_get<char>, _ZNSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+	_GLIBCXX_SYNC_ID (money_put<char>, _ZNSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE2idE);
+# ifdef _GLIBCXX_USE_WCHAR_T
+	_GLIBCXX_SYNC_ID (num_get<wchar_t>, _ZNSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+	_GLIBCXX_SYNC_ID (num_put<wchar_t>, _ZNSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+	_GLIBCXX_SYNC_ID (money_get<wchar_t>, _ZNSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+	_GLIBCXX_SYNC_ID (money_put<wchar_t>, _ZNSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE2idE);
+# endif
+	if (f)
+	  _M_index = 1 + f->_M_id();
+	else
+#endif
+	  _M_index = 1 + __gnu_cxx::__exchange_and_add(&_S_refcount, 1);
+      }
     return _M_index - 1;
   }
 
 _GLIBCXX_END_NAMESPACE
-
-
diff --git a/libstdc++-v3/src/ostream-inst.cc b/libstdc++-v3/src/ostream-inst.cc
index 70df37beb76dc61f14cfc159f5e02ccd9e1e1966..2ea663bfadea9e9f9af6c91f9550d18df4d03d2e 100644
--- a/libstdc++-v3/src/ostream-inst.cc
+++ b/libstdc++-v3/src/ostream-inst.cc
@@ -1,6 +1,6 @@
 // Explicit instantiation file.
 
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -97,3 +97,18 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
 #endif
 
 _GLIBCXX_END_NAMESPACE
+
+// XXX GLIBCXX_ABI Deprecated
+#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT
+
+#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
+  extern "C" void ldbl (void) __attribute__ ((alias (#dbl), weak))
+_GLIBCXX_LDBL_COMPAT (_ZNSolsEd, _ZNSolsEe);
+_GLIBCXX_LDBL_COMPAT (_ZNSt13basic_ostreamIwSt11char_traitsIwEElsEd,
+		      _ZNSt13basic_ostreamIwSt11char_traitsIwEElsEe);
+_GLIBCXX_LDBL_COMPAT (_ZNSo9_M_insertIdEERSoT_,
+		      _ZNSo9_M_insertIeEERSoT_);
+_GLIBCXX_LDBL_COMPAT (_ZNSt13basic_ostreamIwSt11char_traitsIwEE9_M_insertIdEERS2_T_,
+		      _ZNSt13basic_ostreamIwSt11char_traitsIwEE9_M_insertIeEERS2_T_);
+
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
diff --git a/libstdc++-v3/src/wlocale-inst.cc b/libstdc++-v3/src/wlocale-inst.cc
index cd0f3e3bc39a20c7c31a9691dfb9f6b60448a919..b776cd24c59fa675b83e6df7bd9ce4d04087bc3b 100644
--- a/libstdc++-v3/src/wlocale-inst.cc
+++ b/libstdc++-v3/src/wlocale-inst.cc
@@ -1,6 +1,7 @@
 // Locale support -*- C++ -*-
 
-// Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2006
+// 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
@@ -36,4 +37,45 @@
 #ifdef _GLIBCXX_USE_WCHAR_T
 #define C wchar_t
 #include "locale-inst.cc"
+
+// XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT
+
+#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
+  extern "C" void ldbl (void) __attribute__ ((alias (#dbl), weak))
+
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIjEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIjEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIlEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIlEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intImEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intImEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intItEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intItEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIxEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIxEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIyEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIyEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIlEES4_S4_RSt8ios_basewT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIlEES3_S3_RSt8ios_basewT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intImEES4_S4_RSt8ios_basewT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intImEES3_S3_RSt8ios_basewT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIxEES4_S4_RSt8ios_basewT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIxEES3_S3_RSt8ios_basewT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIyEES4_S4_RSt8ios_basewT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIyEES3_S3_RSt8ios_basewT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIdEES4_S4_RSt8ios_basewcT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIdEES3_S3_RSt8ios_basewcT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIdEES3_S3_RSt8ios_basewcT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIeEES3_S3_RSt8ios_basewcT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb0EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
+		     _ZNKSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb0EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb1EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
+		     _ZNKSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb1EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb0EEES4_S4_RSt8ios_basewRKSbIwS3_SaIwEE,
+		     _ZNKSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb0EEES3_S3_RSt8ios_basewRKSbIwS2_SaIwEE);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb1EEES4_S4_RSt8ios_basewRKSbIwS3_SaIwEE,
+		     _ZNKSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb1EEES3_S3_RSt8ios_basewRKSbIwS2_SaIwEE);
+
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
 #endif
diff --git a/libstdc++-v3/testsuite/Makefile.in b/libstdc++-v3/testsuite/Makefile.in
index d715d62175ac4c3a66c118c9e77471b3dafd117e..92c8a027639ea543d8515d8ba82d5de26e690079 100644
--- a/libstdc++-v3/testsuite/Makefile.in
+++ b/libstdc++-v3/testsuite/Makefile.in
@@ -126,6 +126,8 @@ GLIBCXX_C_HEADERS_C_TRUE = @GLIBCXX_C_HEADERS_C_TRUE@
 GLIBCXX_HOSTED_FALSE = @GLIBCXX_HOSTED_FALSE@
 GLIBCXX_HOSTED_TRUE = @GLIBCXX_HOSTED_TRUE@
 GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
+GLIBCXX_LDBL_COMPAT_FALSE = @GLIBCXX_LDBL_COMPAT_FALSE@
+GLIBCXX_LDBL_COMPAT_TRUE = @GLIBCXX_LDBL_COMPAT_TRUE@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
diff --git a/libstdc++-v3/testsuite/testsuite_abi.cc b/libstdc++-v3/testsuite/testsuite_abi.cc
index d0e65afcf597b1f1f6a8f46822e8f5727afd06f6..56bec9682239f31c4dfc12c390d75fdf310040d9 100644
--- a/libstdc++-v3/testsuite/testsuite_abi.cc
+++ b/libstdc++-v3/testsuite/testsuite_abi.cc
@@ -1,6 +1,6 @@
 // -*- C++ -*-
 
-// Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+// Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
 
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License as
@@ -186,8 +186,11 @@ check_version(symbol& test, bool added)
       known_versions.push_back("GLIBCXX_3.4.5");
       known_versions.push_back("GLIBCXX_3.4.6");
       known_versions.push_back("GLIBCXX_3.4.7");
+      known_versions.push_back("GLIBCXX_LDBL_3.4");
+      known_versions.push_back("GLIBCXX_LDBL_3.4.7");
       known_versions.push_back("CXXABI_1.3");
       known_versions.push_back("CXXABI_1.3.1");
+      known_versions.push_back("CXXABI_LDBL_1.3");
     }
   compat_list::iterator begin = known_versions.begin();
   compat_list::iterator end = known_versions.end();
@@ -223,9 +226,7 @@ check_version(symbol& test, bool added)
 	  // New version labels are ok. The rest are not.
 	  compat_list::iterator it2 = find(begin, end, test.name);
 	  if (it2 != end)
-	    {
-	      test.version_status = symbol::compatible;
-	    }
+	    test.version_status = symbol::compatible;
 	  else
 	    test.version_status = symbol::incompatible;
 	}
@@ -369,13 +370,14 @@ compare_symbols(const char* baseline_file, const char* test_file,
 	  added_names.erase(it);
 	}
       else
-	  missing_names.push_back(what);
+	missing_names.push_back(what);
     }
 
   // Check missing names for compatibility.
   typedef pair<symbol, symbol> symbol_pair;
   vector<symbol_pair> incompatible;
-  for (size_t j = 0; j < missing_names.size(); ++j)
+  const symbol_names::size_type missing_size = missing_names.size();
+  for (size_t j = 0; j < missing_size; ++j)
     {
       symbol& base = baseline_objects[missing_names[j]];
       base.status = symbol::subtracted;
@@ -383,7 +385,8 @@ compare_symbols(const char* baseline_file, const char* test_file,
     }
 
   // Check shared names for compatibility.
-  for (size_t k = 0; k < shared_names.size(); ++k)
+  const symbol_names::size_type shared_size = shared_names.size();
+  for (size_t k = 0; k < shared_size; ++k)
     {
       symbol& base = baseline_objects[shared_names[k]];
       symbol& test = test_objects[shared_names[k]];
@@ -393,7 +396,8 @@ compare_symbols(const char* baseline_file, const char* test_file,
     }
 
   // Check added names for compatibility.
-  for (size_t l = 0; l < added_names.size(); ++l)
+  const symbol_names::size_type added_size = added_names.size();
+  for (size_t l = 0; l < added_size; ++l)
     {
       symbol& test = test_objects[added_names[l]];
       test.status = symbol::added;
@@ -459,7 +463,8 @@ create_symbols(const char* file)
   ifstream ifs(file);
   if (ifs.is_open())
     {
-      // Organize file data into container of symbol objects.
+      // Organize file data into container of symbol objects, and a
+      // container of mangled names without versioning information.
       symbol_names& names = s.first;
       symbol_objects& objects = s.second;
       const string empty;
@@ -468,8 +473,8 @@ create_symbols(const char* file)
 	{
 	  symbol tmp;
 	  tmp.init(line);
-	  objects[tmp.raw_name] = tmp;
-	  names.push_back(tmp.raw_name);
+	  objects[tmp.name] = tmp;
+	  names.push_back(tmp.name);
 	  line = empty;
 	}
     }