diff --git a/config/ChangeLog b/config/ChangeLog
index c74839ac3c6..56dc9b3bad6 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,7 @@
+2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* dfp.m4 (enable_decimal_float): Enable for i?86*-*-gnu*.
+
 2012-10-15  Pavel Chupin  <pavel.v.chupin@intel.com>
 
 	* gthr.m4: New. Define GCC_AC_THREAD_HEADER.
diff --git a/config/dfp.m4 b/config/dfp.m4
index cc778b19bbb..e971db4dc91 100644
--- a/config/dfp.m4
+++ b/config/dfp.m4
@@ -21,6 +21,7 @@ Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
 [
   case $1 in
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
+    i?86*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
     i?86*-*-cygwin*)
       enable_decimal_float=yes
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5ee5ef7f8d4..91b970a3706 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* configure: Regenerate.
+
 2012-11-04  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* combine.c: Adjust toplevel comment.
diff --git a/gcc/configure b/gcc/configure
index 4c90e9b7954..681aba930c4 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -7038,6 +7038,7 @@ else
 
   case $target in
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
+    i?86*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
     i?86*-*-cygwin*)
       enable_decimal_float=yes
@@ -17785,7 +17786,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 17788 "configure"
+#line 17789 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -17891,7 +17892,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 17894 "configure"
+#line 17895 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/libdecnumber/ChangeLog b/libdecnumber/ChangeLog
index ec3de316b99..138aa6edc8f 100644
--- a/libdecnumber/ChangeLog
+++ b/libdecnumber/ChangeLog
@@ -1,3 +1,7 @@
+2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* configure: Regenerate.
+
 2011-12-20  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* configure: Regenerate.
diff --git a/libdecnumber/configure b/libdecnumber/configure
index 2b586848516..0466371c7a2 100755
--- a/libdecnumber/configure
+++ b/libdecnumber/configure
@@ -4611,6 +4611,7 @@ else
 
   case $target in
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
+    i?86*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
     i?86*-*-cygwin*)
       enable_decimal_float=yes
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 87e8a27e855..8f367b42a6c 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,7 @@
+2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* configure: Regenerate.
+
 2012-11-02  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/55175
diff --git a/libgcc/config/libbid/ChangeLog b/libgcc/config/libbid/ChangeLog
index d7f52794859..3dc721b52a1 100644
--- a/libgcc/config/libbid/ChangeLog
+++ b/libgcc/config/libbid/ChangeLog
@@ -1,3 +1,8 @@
+2012-11-04  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* bid_functions.h: Check for __GLIBC__ additionally to LINUX when
+	defining format specifiers.
+
 2007-09-27  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* bid128_fromstring.c: Removed.
diff --git a/libgcc/config/libbid/bid_functions.h b/libgcc/config/libbid/bid_functions.h
index 579370ae8db..6dd8e84e879 100644
--- a/libgcc/config/libbid/bid_functions.h
+++ b/libgcc/config/libbid/bid_functions.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009  Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2012 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -124,7 +124,7 @@ ALIGN (16)
 #define DENORMAL_MODE           0x00000100
 #define INVALID_MODE            0x00000080
 
-#if defined LINUX || defined SUNOS
+#if defined LINUX || defined __GLIBC__ || defined SUNOS
 #define LX16  "%016llx"
 #define LX    "%llx"
 #define LD4   "%4llu"
diff --git a/libgcc/configure b/libgcc/configure
index ed6eabf2a5f..1425df6c0de 100644
--- a/libgcc/configure
+++ b/libgcc/configure
@@ -4076,6 +4076,7 @@ else
 
   case $host in
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
+    i?86*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
     i?86*-*-cygwin*)
       enable_decimal_float=yes