libstdc++: Don't use gstdint.h anymore

libstdc++-v3/ChangeLog:

	* configure.ac: Stop generating gstdint.h.
	* src/c++11/compatibility-atomic-c++0x.cc: Stop using gstdint.h.
	* Makefile.in: Regenerate.
	* aclocal.m4: Regenerate.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* doc/Makefile.in: Regenerate.
	* include/Makefile.in: Regenerate.
	* libsupc++/Makefile.in: Regenerate.
	* po/Makefile.in: Regenerate.
	* python/Makefile.in: Regenerate.
	* src/Makefile.in: Regenerate.
	* src/c++11/Makefile.in: Regenerate.
	* src/c++17/Makefile.in: Regenerate.
	* src/c++20/Makefile.in: Regenerate.
	* src/c++98/Makefile.in: Regenerate.
	* src/filesystem/Makefile.in: Regenerate.
	* src/libbacktrace/Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

19 files changed, 12 insertions, 899 deletions

diff --git a/libstdc++-v3/Makefile.in b/libstdc++-v3/Makefile.in
index a7c2b60678b..e6a5a5ce3dd 100644
--- a/libstdc++-v3/Makefile.in
+++ b/libstdc++-v3/Makefile.in
@@ -103,7 +103,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/aclocal.m4 b/libstdc++-v3/aclocal.m4
index b2f43aa10a6..e5af3f62e1c 100644
--- a/libstdc++-v3/aclocal.m4
+++ b/libstdc++-v3/aclocal.m4
@@ -865,7 +865,6 @@ m4_include([../config/lthostflags.m4])
 m4_include([../config/multi.m4])
 m4_include([../config/no-executables.m4])
 m4_include([../config/override.m4])
-m4_include([../config/stdint.m4])
 m4_include([../config/toolexeclibdir.m4])
 m4_include([../config/unwind_ipinfo.m4])
 m4_include([../libtool.m4])
diff --git a/libstdc++-v3/config.h.in b/libstdc++-v3/config.h.in
index 2a3972eef54..acdfa999543 100644
--- a/libstdc++-v3/config.h.in
+++ b/libstdc++-v3/config.h.in
@@ -760,21 +760,6 @@
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION
 
-/* The size of `char', as computed by sizeof. */
-#undef SIZEOF_CHAR
-
-/* The size of `int', as computed by sizeof. */
-#undef SIZEOF_INT
-
-/* The size of `long', as computed by sizeof. */
-#undef SIZEOF_LONG
-
-/* The size of `short', as computed by sizeof. */
-#undef SIZEOF_SHORT
-
-/* The size of `void *', as computed by sizeof. */
-#undef SIZEOF_VOID_P
-
 /* Define to 1 if you have the ANSI C header files. */
 #undef STDC_HEADERS
 
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 9159ffb766b..db3f6b1b9e3 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -2619,60 +2619,6 @@ $as_echo "$ac_res" >&6; }
 
 } # ac_fn_cxx_check_func
 
-# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
-# -------------------------------------------
-# Tests whether TYPE exists after having included INCLUDES, setting cache
-# variable VAR accordingly.
-ac_fn_c_check_type ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  eval "$3=no"
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-int
-main ()
-{
-if (sizeof ($2))
-	 return 0;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-int
-main ()
-{
-if (sizeof (($2)))
-	    return 0;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-
-else
-  eval "$3=yes"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_type
-
 # ac_fn_cxx_check_type LINENO TYPE VAR INCLUDES
 # ---------------------------------------------
 # Tests whether TYPE exists after having included INCLUDES, setting cache
@@ -12236,7 +12182,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12239 "configure"
+#line 12185 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12342,7 +12288,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12345 "configure"
+#line 12291 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -16066,7 +16012,7 @@ $as_echo "$glibcxx_cv_atomic_long_long" >&6; }
   # Fake what AC_TRY_COMPILE does.
 
     cat > conftest.$ac_ext << EOF
-#line 16069 "configure"
+#line 16015 "configure"
 int main()
 {
   typedef bool atomic_type;
@@ -16101,7 +16047,7 @@ $as_echo "$glibcxx_cv_atomic_bool" >&6; }
     rm -f conftest*
 
     cat > conftest.$ac_ext << EOF
-#line 16104 "configure"
+#line 16050 "configure"
 int main()
 {
   typedef short atomic_type;
@@ -16136,7 +16082,7 @@ $as_echo "$glibcxx_cv_atomic_short" >&6; }
     rm -f conftest*
 
     cat > conftest.$ac_ext << EOF
-#line 16139 "configure"
+#line 16085 "configure"
 int main()
 {
   // NB: _Atomic_word not necessarily int.
@@ -16172,7 +16118,7 @@ $as_echo "$glibcxx_cv_atomic_int" >&6; }
     rm -f conftest*
 
     cat > conftest.$ac_ext << EOF
-#line 16175 "configure"
+#line 16121 "configure"
 int main()
 {
   typedef long long atomic_type;
@@ -16328,7 +16274,7 @@ $as_echo "mutex" >&6; }
   # unnecessary for this test.
 
     cat > conftest.$ac_ext << EOF
-#line 16331 "configure"
+#line 16277 "configure"
 int main()
 {
   _Decimal32 d1;
@@ -16370,7 +16316,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
   # unnecessary for this test.
 
   cat > conftest.$ac_ext << EOF
-#line 16373 "configure"
+#line 16319 "configure"
 template<typename T1, typename T2>
   struct same
   { typedef T2 type; };
@@ -68484,412 +68430,6 @@ $as_echo "#define HAVE_LINUX_FUTEX 1" >>confdefs.h
 fi
 
 
-if test "$is_hosted" = yes; then
-# TODO: remove this and change src/c++11/compatibility-atomic-c++0x.cc to
-# use <stdint.h> instead of <gstdint.h>.
-
-
-inttype_headers=`echo inttypes.h sys/inttypes.h  | sed -e 's/,/ /g'`
-
-acx_cv_header_stdint=stddef.h
-acx_cv_header_stdint_kind="(already complete)"
-for i in stdint.h $inttype_headers; do
-  unset ac_cv_type_uintptr_t
-  unset ac_cv_type_uintmax_t
-  unset ac_cv_type_int_least32_t
-  unset ac_cv_type_int_fast32_t
-  unset ac_cv_type_uint64_t
-  $as_echo_n "looking for a compliant stdint.h in $i, " >&6
-  ac_fn_c_check_type "$LINENO" "uintmax_t" "ac_cv_type_uintmax_t" "#include <sys/types.h>
-#include <$i>
-"
-if test "x$ac_cv_type_uintmax_t" = xyes; then :
-  acx_cv_header_stdint=$i
-else
-  continue
-fi
-
-  ac_fn_c_check_type "$LINENO" "uintptr_t" "ac_cv_type_uintptr_t" "#include <sys/types.h>
-#include <$i>
-"
-if test "x$ac_cv_type_uintptr_t" = xyes; then :
-
-else
-  acx_cv_header_stdint_kind="(mostly complete)"
-fi
-
-  ac_fn_c_check_type "$LINENO" "int_least32_t" "ac_cv_type_int_least32_t" "#include <sys/types.h>
-#include <$i>
-"
-if test "x$ac_cv_type_int_least32_t" = xyes; then :
-
-else
-  acx_cv_header_stdint_kind="(mostly complete)"
-fi
-
-  ac_fn_c_check_type "$LINENO" "int_fast32_t" "ac_cv_type_int_fast32_t" "#include <sys/types.h>
-#include <$i>
-"
-if test "x$ac_cv_type_int_fast32_t" = xyes; then :
-
-else
-  acx_cv_header_stdint_kind="(mostly complete)"
-fi
-
-  ac_fn_c_check_type "$LINENO" "uint64_t" "ac_cv_type_uint64_t" "#include <sys/types.h>
-#include <$i>
-"
-if test "x$ac_cv_type_uint64_t" = xyes; then :
-
-else
-  acx_cv_header_stdint_kind="(lacks uint64_t)"
-fi
-
-  break
-done
-if test "$acx_cv_header_stdint" = stddef.h; then
-  acx_cv_header_stdint_kind="(lacks uintmax_t)"
-  for i in stdint.h $inttype_headers; do
-    unset ac_cv_type_uintptr_t
-    unset ac_cv_type_uint32_t
-    unset ac_cv_type_uint64_t
-    $as_echo_n "looking for an incomplete stdint.h in $i, " >&6
-    ac_fn_c_check_type "$LINENO" "uint32_t" "ac_cv_type_uint32_t" "#include <sys/types.h>
-#include <$i>
-"
-if test "x$ac_cv_type_uint32_t" = xyes; then :
-  acx_cv_header_stdint=$i
-else
-  continue
-fi
-
-    ac_fn_c_check_type "$LINENO" "uint64_t" "ac_cv_type_uint64_t" "#include <sys/types.h>
-#include <$i>
-"
-if test "x$ac_cv_type_uint64_t" = xyes; then :
-
-fi
-
-    ac_fn_c_check_type "$LINENO" "uintptr_t" "ac_cv_type_uintptr_t" "#include <sys/types.h>
-#include <$i>
-"
-if test "x$ac_cv_type_uintptr_t" = xyes; then :
-
-fi
-
-    break
-  done
-fi
-if test "$acx_cv_header_stdint" = stddef.h; then
-  acx_cv_header_stdint_kind="(u_intXX_t style)"
-  for i in sys/types.h $inttype_headers; do
-    unset ac_cv_type_u_int32_t
-    unset ac_cv_type_u_int64_t
-    $as_echo_n "looking for u_intXX_t types in $i, " >&6
-    ac_fn_c_check_type "$LINENO" "u_int32_t" "ac_cv_type_u_int32_t" "#include <sys/types.h>
-#include <$i>
-"
-if test "x$ac_cv_type_u_int32_t" = xyes; then :
-  acx_cv_header_stdint=$i
-else
-  continue
-fi
-
-    ac_fn_c_check_type "$LINENO" "u_int64_t" "ac_cv_type_u_int64_t" "#include <sys/types.h>
-#include <$i>
-"
-if test "x$ac_cv_type_u_int64_t" = xyes; then :
-
-fi
-
-    break
-  done
-fi
-if test "$acx_cv_header_stdint" = stddef.h; then
-  acx_cv_header_stdint_kind="(using manual detection)"
-fi
-
-test -z "$ac_cv_type_uintptr_t" && ac_cv_type_uintptr_t=no
-test -z "$ac_cv_type_uint64_t" && ac_cv_type_uint64_t=no
-test -z "$ac_cv_type_u_int64_t" && ac_cv_type_u_int64_t=no
-test -z "$ac_cv_type_int_least32_t" && ac_cv_type_int_least32_t=no
-test -z "$ac_cv_type_int_fast32_t" && ac_cv_type_int_fast32_t=no
-
-# ----------------- Summarize what we found so far
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking what to include in include/gstdint.h" >&5
-$as_echo_n "checking what to include in include/gstdint.h... " >&6; }
-
-case `$as_basename -- include/gstdint.h ||
-$as_expr X/include/gstdint.h : '.*/\([^/][^/]*\)/*$' \| \
-	 Xinclude/gstdint.h : 'X\(//\)$' \| \
-	 Xinclude/gstdint.h : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/include/gstdint.h |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'` in
-  stdint.h) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: are you sure you want it there?" >&5
-$as_echo "$as_me: WARNING: are you sure you want it there?" >&2;} ;;
-  inttypes.h) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: are you sure you want it there?" >&5
-$as_echo "$as_me: WARNING: are you sure you want it there?" >&2;} ;;
-  *) ;;
-esac
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_header_stdint $acx_cv_header_stdint_kind" >&5
-$as_echo "$acx_cv_header_stdint $acx_cv_header_stdint_kind" >&6; }
-
-# ----------------- done included file, check C basic types --------
-
-# Lacking an uintptr_t?  Test size of void *
-case "$acx_cv_header_stdint:$ac_cv_type_uintptr_t" in
-  stddef.h:* | *:no) # The cast to long int works around a bug in the HP C Compiler
-# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
-# This bug is HP SR number 8606223364.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5
-$as_echo_n "checking size of void *... " >&6; }
-if ${ac_cv_sizeof_void_p+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p"        "$ac_includes_default"; then :
-
-else
-  if test "$ac_cv_type_void_p" = yes; then
-     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (void *)
-See \`config.log' for more details" "$LINENO" 5; }
-   else
-     ac_cv_sizeof_void_p=0
-   fi
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5
-$as_echo "$ac_cv_sizeof_void_p" >&6; }
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define SIZEOF_VOID_P $ac_cv_sizeof_void_p
-_ACEOF
-
- ;;
-esac
-
-# Lacking an uint64_t?  Test size of long
-case "$acx_cv_header_stdint:$ac_cv_type_uint64_t:$ac_cv_type_u_int64_t" in
-  stddef.h:*:* | *:no:no) # The cast to long int works around a bug in the HP C Compiler
-# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
-# This bug is HP SR number 8606223364.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long" >&5
-$as_echo_n "checking size of long... " >&6; }
-if ${ac_cv_sizeof_long+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long"        "$ac_includes_default"; then :
-
-else
-  if test "$ac_cv_type_long" = yes; then
-     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (long)
-See \`config.log' for more details" "$LINENO" 5; }
-   else
-     ac_cv_sizeof_long=0
-   fi
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5
-$as_echo "$ac_cv_sizeof_long" >&6; }
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define SIZEOF_LONG $ac_cv_sizeof_long
-_ACEOF
-
- ;;
-esac
-
-if test $acx_cv_header_stdint = stddef.h; then
-  # Lacking a good header?  Test size of everything and deduce all types.
-  # The cast to long int works around a bug in the HP C Compiler
-# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
-# This bug is HP SR number 8606223364.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of int" >&5
-$as_echo_n "checking size of int... " >&6; }
-if ${ac_cv_sizeof_int+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int"        "$ac_includes_default"; then :
-
-else
-  if test "$ac_cv_type_int" = yes; then
-     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (int)
-See \`config.log' for more details" "$LINENO" 5; }
-   else
-     ac_cv_sizeof_int=0
-   fi
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_int" >&5
-$as_echo "$ac_cv_sizeof_int" >&6; }
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define SIZEOF_INT $ac_cv_sizeof_int
-_ACEOF
-
-
-  # The cast to long int works around a bug in the HP C Compiler
-# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
-# This bug is HP SR number 8606223364.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of short" >&5
-$as_echo_n "checking size of short... " >&6; }
-if ${ac_cv_sizeof_short+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (short))" "ac_cv_sizeof_short"        "$ac_includes_default"; then :
-
-else
-  if test "$ac_cv_type_short" = yes; then
-     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (short)
-See \`config.log' for more details" "$LINENO" 5; }
-   else
-     ac_cv_sizeof_short=0
-   fi
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_short" >&5
-$as_echo "$ac_cv_sizeof_short" >&6; }
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define SIZEOF_SHORT $ac_cv_sizeof_short
-_ACEOF
-
-
-  # The cast to long int works around a bug in the HP C Compiler
-# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
-# This bug is HP SR number 8606223364.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of char" >&5
-$as_echo_n "checking size of char... " >&6; }
-if ${ac_cv_sizeof_char+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (char))" "ac_cv_sizeof_char"        "$ac_includes_default"; then :
-
-else
-  if test "$ac_cv_type_char" = yes; then
-     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (char)
-See \`config.log' for more details" "$LINENO" 5; }
-   else
-     ac_cv_sizeof_char=0
-   fi
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_char" >&5
-$as_echo "$ac_cv_sizeof_char" >&6; }
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define SIZEOF_CHAR $ac_cv_sizeof_char
-_ACEOF
-
-
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for type equivalent to int8_t" >&5
-$as_echo_n "checking for type equivalent to int8_t... " >&6; }
-  case "$ac_cv_sizeof_char" in
-    1) acx_cv_type_int8_t=char ;;
-    *) as_fn_error $? "no 8-bit type, please report a bug" "$LINENO" 5
-  esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_type_int8_t" >&5
-$as_echo "$acx_cv_type_int8_t" >&6; }
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for type equivalent to int16_t" >&5
-$as_echo_n "checking for type equivalent to int16_t... " >&6; }
-  case "$ac_cv_sizeof_int:$ac_cv_sizeof_short" in
-    2:*) acx_cv_type_int16_t=int ;;
-    *:2) acx_cv_type_int16_t=short ;;
-    *) as_fn_error $? "no 16-bit type, please report a bug" "$LINENO" 5
-  esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_type_int16_t" >&5
-$as_echo "$acx_cv_type_int16_t" >&6; }
-
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for type equivalent to int32_t" >&5
-$as_echo_n "checking for type equivalent to int32_t... " >&6; }
-  case "$ac_cv_sizeof_int:$ac_cv_sizeof_long" in
-    4:*) acx_cv_type_int32_t=int ;;
-    *:4) acx_cv_type_int32_t=long ;;
-    *) as_fn_error $? "no 32-bit type, please report a bug" "$LINENO" 5
-  esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_type_int32_t" >&5
-$as_echo "$acx_cv_type_int32_t" >&6; }
-fi
-
-# These tests are here to make the output prettier
-
-if test "$ac_cv_type_uint64_t" != yes && test "$ac_cv_type_u_int64_t" != yes; then
-  case "$ac_cv_sizeof_long" in
-    8) acx_cv_type_int64_t=long ;;
-  esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for type equivalent to int64_t" >&5
-$as_echo_n "checking for type equivalent to int64_t... " >&6; }
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${acx_cv_type_int64_t-'using preprocessor symbols'}" >&5
-$as_echo "${acx_cv_type_int64_t-'using preprocessor symbols'}" >&6; }
-fi
-
-# Now we can use the above types
-
-if test "$ac_cv_type_uintptr_t" != yes; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for type equivalent to intptr_t" >&5
-$as_echo_n "checking for type equivalent to intptr_t... " >&6; }
-  case $ac_cv_sizeof_void_p in
-    2) acx_cv_type_intptr_t=int16_t ;;
-    4) acx_cv_type_intptr_t=int32_t ;;
-    8) acx_cv_type_intptr_t=int64_t ;;
-    *) as_fn_error $? "no equivalent for intptr_t, please report a bug" "$LINENO" 5
-  esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_type_intptr_t" >&5
-$as_echo "$acx_cv_type_intptr_t" >&6; }
-fi
-
-# ----------------- done all checks, emit header -------------
-ac_config_commands="$ac_config_commands include/gstdint.h"
-
-
-
-fi
-
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU c++filt" >&5
 $as_echo_n "checking for GNU c++filt... " >&6; }
@@ -74304,24 +73844,6 @@ fi
 
 
 
-GCC="$GCC"
-CC="$CC"
-acx_cv_header_stdint="$acx_cv_header_stdint"
-acx_cv_type_int8_t="$acx_cv_type_int8_t"
-acx_cv_type_int16_t="$acx_cv_type_int16_t"
-acx_cv_type_int32_t="$acx_cv_type_int32_t"
-acx_cv_type_int64_t="$acx_cv_type_int64_t"
-acx_cv_type_intptr_t="$acx_cv_type_intptr_t"
-ac_cv_type_uintmax_t="$ac_cv_type_uintmax_t"
-ac_cv_type_uintptr_t="$ac_cv_type_uintptr_t"
-ac_cv_type_uint64_t="$ac_cv_type_uint64_t"
-ac_cv_type_u_int64_t="$ac_cv_type_u_int64_t"
-ac_cv_type_u_int32_t="$ac_cv_type_u_int32_t"
-ac_cv_type_int_least32_t="$ac_cv_type_int_least32_t"
-ac_cv_type_int_fast32_t="$ac_cv_type_int_fast32_t"
-ac_cv_sizeof_void_p="$ac_cv_sizeof_void_p"
-
-
 _ACEOF
 
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
@@ -74333,7 +73855,6 @@ do
     "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
     "default-1") CONFIG_COMMANDS="$CONFIG_COMMANDS default-1" ;;
     "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
-    "include/gstdint.h") CONFIG_COMMANDS="$CONFIG_COMMANDS include/gstdint.h" ;;
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
     "scripts/testsuite_flags") CONFIG_FILES="$CONFIG_FILES scripts/testsuite_flags" ;;
     "scripts/extract_symvers") CONFIG_FILES="$CONFIG_FILES scripts/extract_symvers" ;;
@@ -75766,378 +75287,6 @@ compiler_lib_search_path=$lt_compiler_lib_search_path_CXX
 _LT_EOF
 
  ;;
-    "include/gstdint.h":C)
-if test "$GCC" = yes; then
-  echo "/* generated for " `$CC --version | sed 1q` "*/" > tmp-stdint.h
-else
-  echo "/* generated for $CC */" > tmp-stdint.h
-fi
-
-sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-  #ifndef GCC_GENERATED_STDINT_H
-  #define GCC_GENERATED_STDINT_H 1
-
-  #include <sys/types.h>
-EOF
-
-if test "$acx_cv_header_stdint" != stdint.h; then
-  echo "#include <stddef.h>" >> tmp-stdint.h
-fi
-if test "$acx_cv_header_stdint" != stddef.h; then
-  echo "#include <$acx_cv_header_stdint>" >> tmp-stdint.h
-fi
-
-sed 's/^ *//' >> tmp-stdint.h <<EOF
-  /* glibc uses these symbols as guards to prevent redefinitions.  */
-  #ifdef __int8_t_defined
-  #define _INT8_T
-  #define _INT16_T
-  #define _INT32_T
-  #endif
-  #ifdef __uint32_t_defined
-  #define _UINT32_T
-  #endif
-
-EOF
-
-# ----------------- done header, emit basic int types -------------
-if test "$acx_cv_header_stdint" = stddef.h; then
-  sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-    #ifndef _UINT8_T
-    #define _UINT8_T
-    #ifndef __uint8_t_defined
-    #define __uint8_t_defined
-    #ifndef uint8_t
-    typedef unsigned $acx_cv_type_int8_t uint8_t;
-    #endif
-    #endif
-    #endif
-
-    #ifndef _UINT16_T
-    #define _UINT16_T
-    #ifndef __uint16_t_defined
-    #define __uint16_t_defined
-    #ifndef uint16_t
-    typedef unsigned $acx_cv_type_int16_t uint16_t;
-    #endif
-    #endif
-    #endif
-
-    #ifndef _UINT32_T
-    #define _UINT32_T
-    #ifndef __uint32_t_defined
-    #define __uint32_t_defined
-    #ifndef uint32_t
-    typedef unsigned $acx_cv_type_int32_t uint32_t;
-    #endif
-    #endif
-    #endif
-
-    #ifndef _INT8_T
-    #define _INT8_T
-    #ifndef __int8_t_defined
-    #define __int8_t_defined
-    #ifndef int8_t
-    typedef $acx_cv_type_int8_t int8_t;
-    #endif
-    #endif
-    #endif
-
-    #ifndef _INT16_T
-    #define _INT16_T
-    #ifndef __int16_t_defined
-    #define __int16_t_defined
-    #ifndef int16_t
-    typedef $acx_cv_type_int16_t int16_t;
-    #endif
-    #endif
-    #endif
-
-    #ifndef _INT32_T
-    #define _INT32_T
-    #ifndef __int32_t_defined
-    #define __int32_t_defined
-    #ifndef int32_t
-    typedef $acx_cv_type_int32_t int32_t;
-    #endif
-    #endif
-    #endif
-EOF
-elif test "$ac_cv_type_u_int32_t" = yes; then
-  sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-    /* int8_t int16_t int32_t defined by inet code, we do the u_intXX types */
-    #ifndef _INT8_T
-    #define _INT8_T
-    #endif
-    #ifndef _INT16_T
-    #define _INT16_T
-    #endif
-    #ifndef _INT32_T
-    #define _INT32_T
-    #endif
-
-    #ifndef _UINT8_T
-    #define _UINT8_T
-    #ifndef __uint8_t_defined
-    #define __uint8_t_defined
-    #ifndef uint8_t
-    typedef u_int8_t uint8_t;
-    #endif
-    #endif
-    #endif
-
-    #ifndef _UINT16_T
-    #define _UINT16_T
-    #ifndef __uint16_t_defined
-    #define __uint16_t_defined
-    #ifndef uint16_t
-    typedef u_int16_t uint16_t;
-    #endif
-    #endif
-    #endif
-
-    #ifndef _UINT32_T
-    #define _UINT32_T
-    #ifndef __uint32_t_defined
-    #define __uint32_t_defined
-    #ifndef uint32_t
-    typedef u_int32_t uint32_t;
-    #endif
-    #endif
-    #endif
-EOF
-else
-  sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-    /* Some systems have guard macros to prevent redefinitions, define them.  */
-    #ifndef _INT8_T
-    #define _INT8_T
-    #endif
-    #ifndef _INT16_T
-    #define _INT16_T
-    #endif
-    #ifndef _INT32_T
-    #define _INT32_T
-    #endif
-    #ifndef _UINT8_T
-    #define _UINT8_T
-    #endif
-    #ifndef _UINT16_T
-    #define _UINT16_T
-    #endif
-    #ifndef _UINT32_T
-    #define _UINT32_T
-    #endif
-EOF
-fi
-
-# ------------- done basic int types, emit int64_t types ------------
-if test "$ac_cv_type_uint64_t" = yes; then
-  sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-    /* system headers have good uint64_t and int64_t */
-    #ifndef _INT64_T
-    #define _INT64_T
-    #endif
-    #ifndef _UINT64_T
-    #define _UINT64_T
-    #endif
-EOF
-elif test "$ac_cv_type_u_int64_t" = yes; then
-  sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-    /* system headers have an u_int64_t (and int64_t) */
-    #ifndef _INT64_T
-    #define _INT64_T
-    #endif
-    #ifndef _UINT64_T
-    #define _UINT64_T
-    #ifndef __uint64_t_defined
-    #define __uint64_t_defined
-    #ifndef uint64_t
-    typedef u_int64_t uint64_t;
-    #endif
-    #endif
-    #endif
-EOF
-elif test -n "$acx_cv_type_int64_t"; then
-  sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-    /* architecture has a 64-bit type, $acx_cv_type_int64_t */
-    #ifndef _INT64_T
-    #define _INT64_T
-    #ifndef int64_t
-    typedef $acx_cv_type_int64_t int64_t;
-    #endif
-    #endif
-    #ifndef _UINT64_T
-    #define _UINT64_T
-    #ifndef __uint64_t_defined
-    #define __uint64_t_defined
-    #ifndef uint64_t
-    typedef unsigned $acx_cv_type_int64_t uint64_t;
-    #endif
-    #endif
-    #endif
-EOF
-else
-  sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-    /* some common heuristics for int64_t, using compiler-specific tests */
-    #if defined __STDC_VERSION__ && (__STDC_VERSION__-0) >= 199901L
-    #ifndef _INT64_T
-    #define _INT64_T
-    #ifndef __int64_t_defined
-    #ifndef int64_t
-    typedef long long int64_t;
-    #endif
-    #endif
-    #endif
-    #ifndef _UINT64_T
-    #define _UINT64_T
-    #ifndef uint64_t
-    typedef unsigned long long uint64_t;
-    #endif
-    #endif
-
-    #elif defined __GNUC__ && defined (__STDC__) && __STDC__-0
-    /* NextStep 2.0 cc is really gcc 1.93 but it defines __GNUC__ = 2 and
-       does not implement __extension__.  But that compiler doesn't define
-       __GNUC_MINOR__.  */
-    # if __GNUC__ < 2 || (__NeXT__ && !__GNUC_MINOR__)
-    # define __extension__
-    # endif
-
-    # ifndef _INT64_T
-    # define _INT64_T
-    # ifndef int64_t
-    __extension__ typedef long long int64_t;
-    # endif
-    # endif
-    # ifndef _UINT64_T
-    # define _UINT64_T
-    # ifndef uint64_t
-    __extension__ typedef unsigned long long uint64_t;
-    # endif
-    # endif
-
-    #elif !defined __STRICT_ANSI__
-    # if defined _MSC_VER || defined __WATCOMC__ || defined __BORLANDC__
-
-    #  ifndef _INT64_T
-    #  define _INT64_T
-    #  ifndef int64_t
-    typedef __int64 int64_t;
-    #  endif
-    #  endif
-    #  ifndef _UINT64_T
-    #  define _UINT64_T
-    #  ifndef uint64_t
-    typedef unsigned __int64 uint64_t;
-    #  endif
-    #  endif
-    # endif /* compiler */
-
-    #endif /* ANSI version */
-EOF
-fi
-
-# ------------- done int64_t types, emit intptr types ------------
-if test "$ac_cv_type_uintptr_t" != yes; then
-  sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-    /* Define intptr_t based on sizeof(void*) = $ac_cv_sizeof_void_p */
-    #ifndef __uintptr_t_defined
-    #ifndef uintptr_t
-    typedef u$acx_cv_type_intptr_t uintptr_t;
-    #endif
-    #endif
-    #ifndef __intptr_t_defined
-    #ifndef intptr_t
-    typedef $acx_cv_type_intptr_t  intptr_t;
-    #endif
-    #endif
-EOF
-fi
-
-# ------------- done intptr types, emit int_least types ------------
-if test "$ac_cv_type_int_least32_t" != yes; then
-  sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-    /* Define int_least types */
-    typedef int8_t     int_least8_t;
-    typedef int16_t    int_least16_t;
-    typedef int32_t    int_least32_t;
-    #ifdef _INT64_T
-    typedef int64_t    int_least64_t;
-    #endif
-
-    typedef uint8_t    uint_least8_t;
-    typedef uint16_t   uint_least16_t;
-    typedef uint32_t   uint_least32_t;
-    #ifdef _UINT64_T
-    typedef uint64_t   uint_least64_t;
-    #endif
-EOF
-fi
-
-# ------------- done intptr types, emit int_fast types ------------
-if test "$ac_cv_type_int_fast32_t" != yes; then
-      sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-    /* Define int_fast types.  short is often slow */
-    typedef int8_t       int_fast8_t;
-    typedef int          int_fast16_t;
-    typedef int32_t      int_fast32_t;
-    #ifdef _INT64_T
-    typedef int64_t      int_fast64_t;
-    #endif
-
-    typedef uint8_t      uint_fast8_t;
-    typedef unsigned int uint_fast16_t;
-    typedef uint32_t     uint_fast32_t;
-    #ifdef _UINT64_T
-    typedef uint64_t     uint_fast64_t;
-    #endif
-EOF
-fi
-
-if test "$ac_cv_type_uintmax_t" != yes; then
-  sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-    /* Define intmax based on what we found */
-    #ifndef intmax_t
-    #ifdef _INT64_T
-    typedef int64_t       intmax_t;
-    #else
-    typedef long          intmax_t;
-    #endif
-    #endif
-    #ifndef uintmax_t
-    #ifdef _UINT64_T
-    typedef uint64_t      uintmax_t;
-    #else
-    typedef unsigned long uintmax_t;
-    #endif
-    #endif
-EOF
-fi
-
-sed 's/^ *//' >> tmp-stdint.h <<EOF
-
-  #endif /* GCC_GENERATED_STDINT_H */
-EOF
-
-if test -r include/gstdint.h && cmp -s tmp-stdint.h include/gstdint.h; then
-  rm -f tmp-stdint.h
-else
-  mv -f tmp-stdint.h include/gstdint.h
-fi
-
- ;;
     "scripts/testsuite_flags":F) chmod +x scripts/testsuite_flags ;;
     "scripts/extract_symvers":F) chmod +x scripts/extract_symvers ;;
     "include/Makefile":F) cat > vpsed$$ << \_EOF
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index 42c453099f2..3e89d09fdd8 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -425,12 +425,6 @@ GCC_CHECK_UNWIND_GETIPINFO
 
 GCC_LINUX_FUTEX([AC_DEFINE(HAVE_LINUX_FUTEX, 1, [Define if futex syscall is available.])])
 
-if test "$is_hosted" = yes; then
-# TODO: remove this and change src/c++11/compatibility-atomic-c++0x.cc to
-# use <stdint.h> instead of <gstdint.h>.
-GCC_HEADER_STDINT(include/gstdint.h)
-fi
-
 GLIBCXX_ENABLE_SYMVERS([yes])
 AC_SUBST(libtool_VERSION)
 
diff --git a/libstdc++-v3/doc/Makefile.in b/libstdc++-v3/doc/Makefile.in
index 469a6082c88..db5e81a7d60 100644
--- a/libstdc++-v3/doc/Makefile.in
+++ b/libstdc++-v3/doc/Makefile.in
@@ -103,7 +103,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in
index dac77654bdf..be3e12a6f1b 100644
--- a/libstdc++-v3/include/Makefile.in
+++ b/libstdc++-v3/include/Makefile.in
@@ -103,7 +103,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/libsupc++/Makefile.in b/libstdc++-v3/libsupc++/Makefile.in
index 1127095493c..2e755abf14c 100644
--- a/libstdc++-v3/libsupc++/Makefile.in
+++ b/libstdc++-v3/libsupc++/Makefile.in
@@ -105,7 +105,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/po/Makefile.in b/libstdc++-v3/po/Makefile.in
index af3d4c43d89..8e93445acd2 100644
--- a/libstdc++-v3/po/Makefile.in
+++ b/libstdc++-v3/po/Makefile.in
@@ -103,7 +103,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/python/Makefile.in b/libstdc++-v3/python/Makefile.in
index 0c600deddb3..05e79b5ac1e 100644
--- a/libstdc++-v3/python/Makefile.in
+++ b/libstdc++-v3/python/Makefile.in
@@ -104,7 +104,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/src/Makefile.in b/libstdc++-v3/src/Makefile.in
index c54c0f63a51..41a00f7b4ec 100644
--- a/libstdc++-v3/src/Makefile.in
+++ b/libstdc++-v3/src/Makefile.in
@@ -104,7 +104,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/src/c++11/Makefile.in b/libstdc++-v3/src/c++11/Makefile.in
index 013ab3cb0a7..77e11a9fd1d 100644
--- a/libstdc++-v3/src/c++11/Makefile.in
+++ b/libstdc++-v3/src/c++11/Makefile.in
@@ -104,7 +104,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/src/c++11/compatibility-atomic-c++0x.cc b/libstdc++-v3/src/c++11/compatibility-atomic-c++0x.cc
index 5a0c5459088..e21bd76245d 100644
--- a/libstdc++-v3/src/c++11/compatibility-atomic-c++0x.cc
+++ b/libstdc++-v3/src/c++11/compatibility-atomic-c++0x.cc
@@ -22,7 +22,6 @@
 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 // <http://www.gnu.org/licenses/>.
 
-#include "gstdint.h"
 #include <atomic>
 #include <mutex>
 
@@ -119,13 +118,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   _GLIBCXX_CONST __atomic_flag_base*
   __atomic_flag_for_address(const volatile void* __z) _GLIBCXX_NOTHROW
   {
-    uintptr_t __u = reinterpret_cast<uintptr_t>(__z);
+    using guintptr_t = __UINTPTR_TYPE__;
+    guintptr_t __u = reinterpret_cast<guintptr_t>(__z);
     __u += (__u >> 2) + (__u << 4);
     __u += (__u >> 7) + (__u << 5);
     __u += (__u >> 17) + (__u << 13);
-    if (sizeof(uintptr_t) > 4)
+    if (sizeof(guintptr_t) > 4)
       __u += (__u >> 31);
-    __u &= ~((~uintptr_t(0)) << LOGSIZE);
+    __u &= ~((~guintptr_t(0)) << LOGSIZE);
     return flag_table + __u;
   }
 
diff --git a/libstdc++-v3/src/c++17/Makefile.in b/libstdc++-v3/src/c++17/Makefile.in
index 217cbbe8321..84bba4d2048 100644
--- a/libstdc++-v3/src/c++17/Makefile.in
+++ b/libstdc++-v3/src/c++17/Makefile.in
@@ -104,7 +104,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/src/c++20/Makefile.in b/libstdc++-v3/src/c++20/Makefile.in
index c04bb7d1ec0..9db70a3e7fb 100644
--- a/libstdc++-v3/src/c++20/Makefile.in
+++ b/libstdc++-v3/src/c++20/Makefile.in
@@ -104,7 +104,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/src/c++98/Makefile.in b/libstdc++-v3/src/c++98/Makefile.in
index 77ec8c7104f..bd63782a12d 100644
--- a/libstdc++-v3/src/c++98/Makefile.in
+++ b/libstdc++-v3/src/c++98/Makefile.in
@@ -104,7 +104,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/src/filesystem/Makefile.in b/libstdc++-v3/src/filesystem/Makefile.in
index 010bcfc06b7..852390ec1a9 100644
--- a/libstdc++-v3/src/filesystem/Makefile.in
+++ b/libstdc++-v3/src/filesystem/Makefile.in
@@ -104,7 +104,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/src/libbacktrace/Makefile.in b/libstdc++-v3/src/libbacktrace/Makefile.in
index a52f645a377..4bc055649ea 100644
--- a/libstdc++-v3/src/libbacktrace/Makefile.in
+++ b/libstdc++-v3/src/libbacktrace/Makefile.in
@@ -135,7 +135,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \
diff --git a/libstdc++-v3/testsuite/Makefile.in b/libstdc++-v3/testsuite/Makefile.in
index 328a03666c9..5081fdf9948 100644
--- a/libstdc++-v3/testsuite/Makefile.in
+++ b/libstdc++-v3/testsuite/Makefile.in
@@ -103,7 +103,6 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/multi.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
 	$(top_srcdir)/../config/override.m4 \
-	$(top_srcdir)/../config/stdint.m4 \
 	$(top_srcdir)/../config/toolexeclibdir.m4 \
 	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/../ltoptions.m4 \