Revert "Toolchains: Update to GCC 8.5.0"

Accidental push instead of going to gerrit.   #!$!#!

This reverts commit 67dc833e46679c13f4b8d82cbb52d2393fef8fd8.

Change-Id: I42a7c9dfd0f1a3dd676b1a5d3eee0a900f2561f7

5 files changed, 178 insertions, 172 deletions

diff --git a/tools/configure b/tools/configure
index d632da75ca..35f4b6d107 100755
--- a/tools/configure
+++ b/tools/configure
@@ -137,7 +137,7 @@ app_set_lcd_size () {
 
 findarmgcc() {
   prefixtools arm-elf-eabi-
-  gccchoice="8.5.0"
+  gccchoice="4.9.4"
 }
 
 # scan the $PATH for the given command
@@ -531,7 +531,7 @@ coldfirecc () {
  GCCOPTS="$CCOPTS -mcpu=5249 -malign-int -mstrict-align"
  GCCOPTIMIZE="-fomit-frame-pointer"
  endian="big"
- gccchoice="8.5.0"
+ gccchoice="4.9.4"
 }
 
 arm7tdmicc () {
@@ -604,7 +604,7 @@ mipselcc () {
  GCCOPTS="$GCCOPTS -ffunction-sections -msoft-float -G 0 -Wno-parentheses"
  GCCOPTIMIZE="-fomit-frame-pointer"
  endian="little"
- gccchoice="8.5.0"
+ gccchoice="4.9.4"
 }
 
 mipsr2elcc () {
@@ -614,7 +614,7 @@ mipsr2elcc () {
  GCCOPTS="$GCCOPTS -ffunction-sections -msoft-float -G 0 -Wno-parentheses"
  GCCOPTIMIZE="-fomit-frame-pointer"
  endian="little"
- gccchoice="8.5.0"
+ gccchoice="4.9.4"
 }
 
 maemocc () {
@@ -761,7 +761,7 @@ arm1176jzlinuxcc () {
  GCCOPTS="$GCCOPTS  -D_GNU_SOURCE=1 -U_FORTIFY_SOURCE -D_REENTRANT"
 
  # Set up compiler
- gccchoice="8.5.0"
+ gccchoice="4.9.4"
  prefixtools "arm-rockbox-linux-gnueabi-"
 }
 
@@ -935,7 +935,7 @@ mipsellinuxcc () {
  GCCOPTS="$GCCOPTS  -D_GNU_SOURCE=1 -U_FORTIFY_SOURCE -D_REENTRANT"
 
  # Set up compiler
- gccchoice="8.5.0"
+ gccchoice="4.9.4"
  prefixtools "mipsel-rockbox-linux-gnu-"
 }
 
diff --git a/tools/rockboxdev.sh b/tools/rockboxdev.sh
index 540ede75e2..63b1a1f5a1 100755
--- a/tools/rockboxdev.sh
+++ b/tools/rockboxdev.sh
@@ -458,30 +458,30 @@ build() {
         cd "$toolname-$version"
         if (echo $needs_libs | grep -q gmp && test ! -d gmp); then
             echo "ROCKBOXDEV: Getting GMP"
-            getfile "gmp-6.2.1.tar.bz2" "$GNU_MIRROR/gmp"
-            tar xjf $dlwhere/gmp-6.2.1.tar.bz2
-            ln -s gmp-6.2.1 gmp
+            getfile "gmp-4.3.2.tar.bz2" "$GNU_MIRROR/gmp"
+            tar xjf $dlwhere/gmp-4.3.2.tar.bz2
+            ln -s gmp-4.3.2 gmp
         fi
 
         if (echo $needs_libs | grep -q mpfr && test ! -d mpfr); then
             echo "ROCKBOXDEV: Getting MPFR"
-            getfile "mpfr-4.1.0.tar.bz2" "$GNU_MIRROR/mpfr"
-            tar xjf $dlwhere/mpfr-4.1.0.tar.bz2
-            ln -s mpfr-4.1.0 mpfr
+            getfile "mpfr-3.1.0.tar.bz2" "$GNU_MIRROR/mpfr"
+            tar xjf $dlwhere/mpfr-3.1.0.tar.bz2
+            ln -s mpfr-3.1.0 mpfr
         fi
 
         if (echo $needs_libs | grep -q mpc && test ! -d mpc); then
             echo "ROCKBOXDEV: Getting MPC"
-            getfile "mpc-1.2.1.tar.gz" "http://www.multiprecision.org/downloads"
-            tar xzf $dlwhere/mpc-1.2.1.tar.gz
-            ln -s mpc-1.2.1 mpc
+            getfile "mpc-1.0.1.tar.gz" "http://www.multiprecision.org/downloads"
+            tar xzf $dlwhere/mpc-1.0.1.tar.gz
+            ln -s mpc-1.0.1 mpc
         fi
 
         if (echo $needs_libs | grep -q isl && test ! -d isl); then
             echo "ROCKBOXDEV: Getting ISL"
-            getfile "isl-0.18.tar.bz2" "https://gcc.gnu.org/pub/gcc/infrastructure"
-            tar xjf $dlwhere/isl-0.18.tar.bz2
-            ln -s isl-0.18 isl
+            getfile "isl-0.15.tar.bz2" "https://gcc.gnu.org/pub/gcc/infrastructure"
+            tar xjf $dlwhere/isl-0.15.tar.bz2
+            ln -s isl-0.15 isl
         fi
         cd $builddir
     fi
@@ -541,9 +541,9 @@ build_linux_toolchain () {
 
     # check libraries:
     # contrary to other toolchains that rely on a hack to avoid installing
-    # gmp, mpc, and mpfr, we simply require that they are installed on
-    # the system this is not a huge requirement since virtually all systems
-    # these days provide dev packages for them
+    # gmp, mpc and mpfr, we simply require that they are installed on the system
+    # this is not a huge requirement since virtually all systems these days
+    # provide dev packages for them
     # FIXME: maybe add an option to download and install them automatically
     checklib "mpc" "gmp" "mpfr"
 
@@ -764,26 +764,26 @@ do
     echo ""
     case $arch in
         [Ii])
-            build "binutils" "mipsel-elf" "2.37" "" "--disable-werror" "gmp isl"
-            build "gcc" "mipsel-elf" "8.5.0" "" "" "gmp mpfr mpc isl"
+            build "binutils" "mipsel-elf" "2.26.1" "" "--disable-werror" "isl"
+            build "gcc" "mipsel-elf" "4.9.4" "" "" "gmp mpfr mpc isl"
             ;;
 
         [Mm])
-            build "binutils" "m68k-elf" "2.37" "" "--disable-werror" "gmp isl"
-            build "gcc" "m68k-elf" "8.5.0" "" "--with-arch=cf MAKEINFO=missing" "gmp mpfr mpc isl"
+            build "binutils" "m68k-elf" "2.26.1" "" "--disable-werror" "isl"
+            build "gcc" "m68k-elf" "4.9.4" "" "--with-arch=cf MAKEINFO=missing" "gmp mpfr mpc isl"
             ;;
 
         [Aa])
             binopts=""
-            gccopts="--with-multilib-list=rmprofile"
+            gccopts=""
             case $system in
                 Darwin)
                     binopts="--disable-nls"
                     gccopts="--disable-nls"
                     ;;
             esac
-            build "binutils" "arm-elf-eabi" "2.37" "" "$binopts --disable-werror" "gmp isl"
-            build "gcc" "arm-elf-eabi" "8.5.0" "rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-8.5.0.diff" "$gccopts MAKEINFO=missing" "gmp mpfr mpc isl"
+            build "binutils" "arm-elf-eabi" "2.26.1" "" "$binopts --disable-werror" "isl"
+            build "gcc" "arm-elf-eabi" "4.9.4" "rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-4.9.4.diff" "$gccopts MAKEINFO=missing" "gmp mpfr mpc isl"
             ;;
         [Xx])
             # IMPORTANT NOTE
@@ -792,19 +792,30 @@ do
             #
             # Samsung YP-R0/R1:
             #  ARM1176JZF-S, softfp EABI
-            #   kernel: device runs 2.6.24, but oem toolchain is built against 2.6.27.59
-            #   glibc:  device runs 2.4.2
-            #
+            #   gcc: 4.9.4 is the latest 4.9.x stable branch, also the only one that
+            #        compiles with GCC >6
+            #   kernel: 2.6.27.59 is the same 2.6.x stable kernel as used by the
+            #           original ct-ng toolchain, the device runs kernel 2.6.24
+            #   glibc: 2.19 is the latest version that supports kernel 2.6.24 which
+            #          is used on the device, but we need to support ABI 2.4 because
+            #          the device uses glibc 2.4.2
+            #
             # Sony NWZ:
-            #   kernel: Varies from device to device; 2.6.23, 2.6.35, and 3.x seen.
-            #   glibc:  device runs 2.7
+            #   gcc: 4.9.4 is the latest 4.9.x stable branch, also the only one that
+            #        compiles with GCC >6
+            #   kernel: 2.6.32.68 is the latest 2.6.x stable kernel, the device
+            #           runs kernel 2.6.23 or 2.6.35 or 3.x for the most recent
+            #   glibc: 2.19 is the latest version that supports kernel 2.6.23 which
+            #          is used on many Sony players, but we need to support ABI 2.7
+            #          because the device uses glibc 2.7
             #
-            # Thus the lowest common denominator is to target 2.6.23 and glibc 2.4
-            # Use a recent 2.6.32 LTS kernel, but glibc 2.20 targeting 2.6.23 and API 2.4
-            #
+            # Thus the lowest common denominator is to use the latest 2.6.x stable
+            # kernel but compile glibc to support kernel 2.6.23 and glibc 2.4.
+            # We use a recent 2.26.1 binutils to avoid any build problems and
+            # avoid patches/bugs.
             glibcopts="--enable-kernel=2.6.23 --enable-oldest-abi=2.4"
-            build_linux_toolchain "arm-rockbox-linux-gnueabi" "2.37" "" "8.5.0" \
-                "$gccopts" "2.6.32.71" "2.20" "$glibcopts" "glibc-220-make44.patch"
+            build_linux_toolchain "arm-rockbox-linux-gnueabi" "2.26.1" "" "4.9.4" \
+                "$gccopts" "2.6.32.68" "2.19" "$glibcopts" "glibc-220-make44.patch"
             # build alsa-lib
             # we need to set the prefix to how it is on device (/usr) and then
             # tweak install dir at make install step
@@ -819,22 +830,28 @@ do
             # This toolchain must support several targets and thus must support
             # the oldest possible configuration.
             #
-            # AGPTek Rocker (and other HibyOS players):
+            # AGPTek Rocker:
+            #   XBurst release 1 (something inbetween mips32r1 and mips32r2)
+            #   gcc: 4.9.4 is the latest 4.9.x stable branch, also the only one that
+            #        compiles with GCC >6
             #   kernel: 3.10.14
             #   glibc: 2.16
             #   alsa: 1.0.29
             #
-            # FiiO M3K Linux (Based on Ingenic SDK):
+            # FiiO M3K Linux:
             #   kernel: 3.10.14
             #   glibc: 2.16
             #   alsa: 1.0.26
             #
-            # Use a recent 3.10 LTS kernel, but glibc 2.27 targeting 3.2.x and API 2.16
-            #
+            # To maximize compatibility, we use kernel 3.2.85 which is the lastest
+            # longterm 3.2 kernel and is supported by the latest glibc, and we
+            # require support for up to glibc 2.16
+            # We use a recent 2.26.1 binutils to avoid any build problems and
+            # avoid patches/bugs.
             glibcopts="--enable-kernel=3.2 --enable-oldest-abi=2.16"
-            # FIXME: maybe add -mhard-float?
-            build_linux_toolchain "mipsel-rockbox-linux-gnu" "2.37" "" "8.5.0" \
-                "$gccopts" "3.10.108" "2.27" "$glibcopts" "glibc-227-make44.patch"
+            # FIXME: maybe add -mhard-float
+            build_linux_toolchain "mipsel-rockbox-linux-gnu" "2.26.1" "" "4.9.4" \
+                "$gccopts" "3.2.85" "2.25" "$glibcopts" "glibc-225-make44.patch"
             # build alsa-lib
             # we need to set the prefix to how it is on device (/usr) and then
             # tweak install dir at make install step
@@ -842,10 +859,7 @@ do
             gettool "alsa-lib" "$alsalib_ver"
             extract "alsa-lib-$alsalib_ver"
             prefix="/usr" buildtool "alsa-lib" "$alsalib_ver" \
-                  "--host=$target --disable-python" "" "install DESTDIR=$prefix/$target/sysroot"
-
-            ### Everything below here is needed only for bluetooth support
-
+                "--host=$target --disable-python" "" "install DESTDIR=$prefix/$target/sysroot"
             # build libffi
             libffi_ver="3.2.1"
             gettool "libffi" "$libffi_ver"
@@ -866,7 +880,7 @@ do
             gettool "glib" "$glib_ver"
             extract "glib-$glib_ver"
             prefix="/usr" buildtool "glib" "$glib_ver" \
-               "--host=$target --with-sysroot=$prefix/$target/sysroot --disable-libelf glib_cv_stack_grows=no glib_cv_uscore=no ac_cv_func_posix_getpwuid_r=yes ac_cv_func_posix_getgrgid_r=yes CFLAGS=-Wno-error=format-nonliteral" "" "install DESTDIR=$prefix/$target/sysroot"
+               "--host=$target --with-sysroot=$prefix/$target/sysroot --disable-libelf glib_cv_stack_grows=no glib_cv_uscore=no ac_cv_func_posix_getpwuid_r=yes ac_cv_func_posix_getgrgid_r=yes" "" "install DESTDIR=$prefix/$target/sysroot"
 
             # build expat
             expat_ver="2.1.0"
@@ -882,6 +896,7 @@ do
             prefix="/usr" buildtool "dbus" "$dbus_ver" \
                "--host=$target --with-sysroot=$prefix/$target/sysroot --includedir=/usr/include --enable-abstract-sockets ac_cv_lib_expat_XML_ParserCreate_MM=yes --disable-systemd --disable-launchd --enable-x11-autolaunch=no --with-x=no -disable-selinux --disable-apparmor --disable-doxygen-docs " "" "install DESTDIR=$prefix/$target/sysroot "
 
+
             ;;
         *)
             echo "ROCKBOXDEV: Unsupported architecture option: $arch"
diff --git a/tools/toolchain-patches/glibc-227-make44.patch b/tools/toolchain-patches/glibc-225-make44.patch
index 3de5cb0fdd..45d4e9c621 100644
--- a/tools/toolchain-patches/glibc-227-make44.patch
+++ b/tools/toolchain-patches/glibc-225-make44.patch
@@ -1,7 +1,7 @@
-diff -Naur glibc-2.27/libio/stdio.h glibc-2.27-patched/libio/stdio.h
---- glibc-2.27/libio/stdio.h    2018-02-01 11:17:18.000000000 -0500
-+++ glibc-2.27-patched/libio/stdio.h    2023-05-23 14:10:06.618633203 -0400
-@@ -118,18 +118,23 @@
+diff -Naur glibc-2.25/libio/stdio.h glibc-2.25-patched/libio/stdio.h
+--- glibc-2.25/libio/stdio.h    2017-02-05 10:28:43.000000000 -0500
++++ glibc-2.25-patched/libio/stdio.h    2023-05-23 15:22:27.482980335 -0400
+@@ -154,18 +154,23 @@
  # define P_tmpdir      "/tmp"
  #endif
  
@@ -32,19 +32,20 @@ diff -Naur glibc-2.27/libio/stdio.h glibc-2.27-patched/libio/stdio.h
  
  /* Standard streams.  */
  extern struct _IO_FILE *stdin;         /* Standard input stream.  */
-diff -Naur glibc-2.27/Makerules glibc-2.27-patched/Makerules
---- glibc-2.27/Makerules        2018-02-01 11:17:18.000000000 -0500
-+++ glibc-2.27-patched/Makerules        2023-05-23 14:10:06.617633203 -0400
-@@ -1522,46 +1522,6 @@
+diff -Naur glibc-2.25/Makerules glibc-2.25-patched/Makerules
+--- glibc-2.25/Makerules        2017-02-05 10:28:43.000000000 -0500
++++ glibc-2.25-patched/Makerules        2023-05-23 15:22:05.594967548 -0400
+@@ -1474,55 +1474,7 @@
+ endif
  
  endif
- 
+-
 -# These will have been set by sysdeps/posix/Makefile.
 -L_tmpnam  ?= 1
 -TMP_MAX   ?= 0
 -L_ctermid ?= 1
 -L_cuserid ?= 1
--
+ 
 -stdio_lim = $(common-objpfx)bits/stdio_lim.h
 -
 -$(stdio_lim:lim.h=%.h) $(stdio_lim:lim.h=%.d): $(stdio_lim:lim.h=%.st); @:
@@ -52,7 +53,8 @@ diff -Naur glibc-2.27/Makerules glibc-2.27-patched/Makerules
 -                  $(common-objpfx)config.make
 -       $(make-target-directory)
 -       { echo '#include "$(..)posix/bits/posix1_lim.h"';               \
--       } |                                                             \
+-         echo '#define _LIBC 1';                                       \
+-         echo '#include "$(..)misc/sys/uio.h"'; } |                    \
 -       $(CC) -E -dM -MD -MP -MF $(@:st=dT) -MT '$(@:st=h) $(@:st=d)'   \
 -             $(CPPUNDEFS) $(+includes) -xc - -o $(@:st=hT)
 -       sed $(sed-remove-objpfx) $(sed-remove-dotdot)                   \
@@ -60,14 +62,21 @@ diff -Naur glibc-2.27/Makerules glibc-2.27-patched/Makerules
 -       mv -f $(@:st=dt) $(@:st=d)
 -       fopen_max=`sed -n 's/^#define OPEN_MAX //1p' $(@:st=hT)`;       \
 -       filename_max=`sed -n 's/^#define PATH_MAX //1p' $(@:st=hT)`;    \
+-       iov_max=`sed -n 's/^#define UIO_MAXIOV //p' $(@:st=hT)`;        \
 -       fopen_max=$${fopen_max:-16};                                    \
 -       filename_max=$${filename_max:-1024};                            \
+-       if [ -z "$$iov_max" ]; then                                     \
+-         define_iov_max="# undef IOV_MAX";                             \
+-       else                                                            \
+-         define_iov_max="# define IOV_MAX $$iov_max";                  \
+-       fi;                                                             \
 -       sed -e "s/@FOPEN_MAX@/$$fopen_max/"                             \
 -           -e "s/@FILENAME_MAX@/$$filename_max/"                       \
 -           -e "s/@L_tmpnam@/$(L_tmpnam)/"                              \
 -           -e "s/@TMP_MAX@/$(TMP_MAX)/"                                \
 -           -e "s/@L_ctermid@/$(L_ctermid)/"                            \
 -           -e "s/@L_cuserid@/$(L_cuserid)/"                            \
+-           -e "s/@define_IOV_MAX@/$$define_iov_max/"                   \
 -           $< > $(@:st=h.new)
 -       $(move-if-change) $(@:st=h.new) $(@:st=h)
 -# Remove these last so that they can be examined if something went wrong.
@@ -82,9 +91,9 @@ diff -Naur glibc-2.27/Makerules glibc-2.27-patched/Makerules
  FORCE:
  
  .PHONY: echo-headers
-diff -Naur glibc-2.27/Rules glibc-2.27-patched/Rules
---- glibc-2.27/Rules    2018-02-01 11:17:18.000000000 -0500
-+++ glibc-2.27-patched/Rules    2023-05-23 14:10:06.617633203 -0400
+diff -Naur glibc-2.25/Rules glibc-2.25-patched/Rules
+--- glibc-2.25/Rules    2017-02-05 10:28:43.000000000 -0500
++++ glibc-2.25-patched/Rules    2023-05-23 15:22:27.482980335 -0400
 @@ -60,9 +60,6 @@
  common-generated :=
  endif
@@ -95,11 +104,11 @@ diff -Naur glibc-2.27/Rules glibc-2.27-patched/Rules
  include $(..)Makerules
  
  .PHONY: subdir_lib
-diff -Naur glibc-2.27/stdio-common/stdio_lim.h.in glibc-2.27-patched/stdio-common/stdio_lim.h.in
---- glibc-2.27/stdio-common/stdio_lim.h.in      2018-02-01 11:17:18.000000000 -0500
-+++ glibc-2.27-patched/stdio-common/stdio_lim.h.in      1969-12-31 19:00:00.000000000 -0500
-@@ -1,39 +0,0 @@
--/* Copyright (C) 1994-2018 Free Software Foundation, Inc.
+diff -Naur glibc-2.25/stdio-common/stdio_lim.h.in glibc-2.25-patched/stdio-common/stdio_lim.h.in
+--- glibc-2.25/stdio-common/stdio_lim.h.in      2017-02-05 10:28:43.000000000 -0500
++++ glibc-2.25-patched/stdio-common/stdio_lim.h.in      1969-12-31 19:00:00.000000000 -0500
+@@ -1,42 +0,0 @@
+-/* Copyright (C) 1994-2017 Free Software Foundation, Inc.
 -   This file is part of the GNU C Library.
 -
 -   The GNU C Library is free software; you can redistribute it and/or
@@ -116,31 +125,34 @@ diff -Naur glibc-2.27/stdio-common/stdio_lim.h.in glibc-2.27-patched/stdio-commo
 -   License along with the GNU C Library; if not, see
 -   <http://www.gnu.org/licenses/>.  */
 -
--#ifndef _BITS_STDIO_LIM_H
--#define _BITS_STDIO_LIM_H 1
--
--#ifndef _STDIO_H
+-#if !defined _STDIO_H && !defined __need_FOPEN_MAX && !defined __need_IOV_MAX
 -# error "Never include <bits/stdio_lim.h> directly; use <stdio.h> instead."
 -#endif
 -
--#define L_tmpnam @L_tmpnam@
--#define TMP_MAX @TMP_MAX@
--#define FILENAME_MAX @FILENAME_MAX@
+-#ifdef _STDIO_H
+-# define L_tmpnam @L_tmpnam@
+-# define TMP_MAX @TMP_MAX@
+-# define FILENAME_MAX @FILENAME_MAX@
 -
--#ifdef __USE_POSIX
--# define L_ctermid @L_ctermid@
--# if !defined __USE_XOPEN2K || defined __USE_GNU
--#  define L_cuserid @L_cuserid@
+-# ifdef __USE_POSIX
+-#  define L_ctermid @L_ctermid@
+-#  if !defined __USE_XOPEN2K || defined __USE_GNU
+-#   define L_cuserid @L_cuserid@
+-#  endif
 -# endif
 -#endif
 -
--#undef  FOPEN_MAX
--#define FOPEN_MAX @FOPEN_MAX@
+-#if defined __need_FOPEN_MAX || defined _STDIO_H
+-# undef  FOPEN_MAX
+-# define FOPEN_MAX @FOPEN_MAX@
+-#endif
 -
--#endif /* bits/stdio_lim.h */
-diff -Naur glibc-2.27/sysdeps/mach/hurd/bits/stdio_lim.h glibc-2.27-patched/sysdeps/mach/hurd/bits/stdio_lim.h
---- glibc-2.27/sysdeps/mach/hurd/bits/stdio_lim.h       1969-12-31 19:00:00.000000000 -0500
-+++ glibc-2.27-patched/sysdeps/mach/hurd/bits/stdio_lim.h       2023-05-23 14:10:06.618633203 -0400
+-#if defined __need_IOV_MAX && !defined IOV_MAX
+-@define_IOV_MAX@
+-#endif
+diff -Naur glibc-2.25/sysdeps/mach/hurd/bits/stdio_lim.h glibc-2.25-patched/sysdeps/mach/hurd/bits/stdio_lim.h
+--- glibc-2.25/sysdeps/mach/hurd/bits/stdio_lim.h       1969-12-31 19:00:00.000000000 -0500
++++ glibc-2.25-patched/sysdeps/mach/hurd/bits/stdio_lim.h       2023-05-23 15:22:27.483980336 -0400
 @@ -0,0 +1,28 @@
 +/* System specific stdio.h definitions.  Hurd version.
 +   Copyright (C) 2023 Free Software Foundation, Inc.
@@ -170,9 +182,9 @@ diff -Naur glibc-2.27/sysdeps/mach/hurd/bits/stdio_lim.h glibc-2.27-patched/sysd
 +#define FILENAME_MAX 1024
 +
 +#endif /* bits/stdio_lim.h */
-diff -Naur glibc-2.27/sysdeps/posix/Makefile glibc-2.27-patched/sysdeps/posix/Makefile
---- glibc-2.27/sysdeps/posix/Makefile   2018-02-01 11:17:18.000000000 -0500
-+++ glibc-2.27-patched/sysdeps/posix/Makefile   2023-05-23 14:10:06.618633203 -0400
+diff -Naur glibc-2.25/sysdeps/posix/Makefile glibc-2.25-patched/sysdeps/posix/Makefile
+--- glibc-2.25/sysdeps/posix/Makefile   2017-02-05 10:28:43.000000000 -0500
++++ glibc-2.25-patched/sysdeps/posix/Makefile   2023-05-23 15:22:27.483980336 -0400
 @@ -1,8 +1,3 @@
 -# These affect the generated bits/stdio_lim.h file.
 -L_tmpnam  = 20
@@ -182,9 +194,9 @@ diff -Naur glibc-2.27/sysdeps/posix/Makefile glibc-2.27-patched/sysdeps/posix/Ma
  
  ifeq ($(subdir)|$(have-thread-library),rt|no)
  # With NPTL, this lives in libpthread so it can be used for sem_open too.
-diff -Naur glibc-2.27/sysdeps/unix/sysv/linux/bits/stdio_lim.h glibc-2.27-patched/sysdeps/unix/sysv/linux/bits/stdio_lim.h
---- glibc-2.27/sysdeps/unix/sysv/linux/bits/stdio_lim.h 1969-12-31 19:00:00.000000000 -0500
-+++ glibc-2.27-patched/sysdeps/unix/sysv/linux/bits/stdio_lim.h 2023-05-23 14:10:06.618633203 -0400
+diff -Naur glibc-2.25/sysdeps/unix/sysv/linux/bits/stdio_lim.h glibc-2.25-patched/sysdeps/unix/sysv/linux/bits/stdio_lim.h
+--- glibc-2.25/sysdeps/unix/sysv/linux/bits/stdio_lim.h 1969-12-31 19:00:00.000000000 -0500
++++ glibc-2.25-patched/sysdeps/unix/sysv/linux/bits/stdio_lim.h 2023-05-23 15:22:27.483980336 -0400
 @@ -0,0 +1,28 @@
 +/* System specific stdio.h definitions.  Linux version.
 +   Copyright (C) 2023 Free Software Foundation, Inc.
@@ -207,9 +219,9 @@ diff -Naur glibc-2.27/sysdeps/unix/sysv/linux/bits/stdio_lim.h glibc-2.27-patche
 +#ifndef _BITS_STDIO_LIM_H
 +#define _BITS_STDIO_LIM_H 1
 +
-+#ifndef _STDIO_H
-+# error "Never include <bits/stdio_lim.h> directly; use <stdio.h> instead."
-+#endif
++//#ifndef _STDIO_H
++//# error "Never include <bits/stdio_lim.h> directly; use <stdio.h> instead."
++//#endif
 +
 +#define FILENAME_MAX 4096
 +
diff --git a/tools/toolchain-patches/rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-4.9.4.diff b/tools/toolchain-patches/rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-4.9.4.diff
new file mode 100644
index 0000000000..cd98d3751c
--- /dev/null
+++ b/tools/toolchain-patches/rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-4.9.4.diff
@@ -0,0 +1,56 @@
+diff -Naur gcc-4.9.4/gcc/config/arm/t-arm-elf gcc-4.9.4-fixed/gcc/config/arm/t-arm-elf
+--- gcc-4.9.4/gcc/config/arm/t-arm-elf  2014-01-02 17:23:26.000000000 -0500
++++ gcc-4.9.4-fixed/gcc/config/arm/t-arm-elf    2020-07-01 22:11:01.198403110 -0400
+@@ -44,6 +44,11 @@
+ #MULTILIB_EXCEPTIONS    += *mcpu=fa526/*mfloat-abi=hard*
+ #MULTILIB_EXCEPTIONS    += *mcpu=fa626/*mfloat-abi=hard*
+ 
++# We build a lib for each specific CPU Rockbox targets.  If anyone knows a better
++# way to do this, please let us know.
++MULTILIB_OPTIONS    += mcpu=arm7tdmi/mcpu=arm9tdmi/mcpu=arm9e/mcpu=arm926ej-s/mcpu=arm1136jf-s
++MULTILIB_DIRNAMES   += arm7tdmi arm9tdmi arm9e arm926ej-s arm1136jf-s
++
+ # MULTILIB_OPTIONS    += mcpu=ep9312
+ # MULTILIB_DIRNAMES   += ep9312
+ # MULTILIB_EXCEPTIONS += *mthumb/*mcpu=ep9312*
+@@ -56,8 +61,8 @@
+ # MULTILIB_DIRNAMES   += fpu soft
+ # MULTILIB_EXCEPTIONS += *mthumb/*mfloat-abi=hard*
+ # 
+-# MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
+-# MULTILIB_DIRNAMES   += normal interwork
++MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
++MULTILIB_DIRNAMES   += normal interwork
+ # 
+ # MULTILIB_OPTIONS    += fno-leading-underscore/fleading-underscore
+ # MULTILIB_DIRNAMES   += elf under
+diff -Naur gcc-4.9.4/libgcc/config/arm/t-bpabi gcc-4.9.4-fixed/libgcc/config/arm/t-bpabi
+--- gcc-4.9.4/libgcc/config/arm/t-bpabi 2012-08-17 11:06:06.000000000 -0400
++++ gcc-4.9.4-fixed/libgcc/config/arm/t-bpabi   2020-07-01 22:13:39.103762818 -0400
+@@ -17,4 +17,4 @@
+ # On ARM, specifying -fnon-call-exceptions will needlessly pull in
+ # the unwinder in simple programs which use 64-bit division.  Omitting
+ # the option is safe.
+-LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions
++LIB2_DIVMOD_EXCEPTION_FLAGS := -fno-exceptions -fno-non-call-exceptions
+diff -Naur gcc-4.9.4/libgcc/Makefile.in gcc-4.9.4-fixed/libgcc/Makefile.in
+--- gcc-4.9.4/libgcc/Makefile.in        2014-01-08 11:37:08.000000000 -0500
++++ gcc-4.9.4-fixed/libgcc/Makefile.in  2020-07-01 22:11:01.199403087 -0400
+@@ -495,7 +495,7 @@
+ ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),)
+ # Provide default flags for compiling divmod functions, if they haven't been
+ # set already by a target-specific Makefile fragment.
+-LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions
++LIB2_DIVMOD_EXCEPTION_FLAGS := -fno-exceptions -fno-non-call-exceptions
+ endif
+ 
+ # Build LIB2_DIVMOD_FUNCS.
+@@ -816,7 +816,7 @@
+ # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
+ # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
+ 
+-c_flags := -fexceptions
++c_flags := -fno-exceptions
+ 
+ ifeq ($(enable_shared),yes)
+ 
diff --git a/tools/toolchain-patches/rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-8.5.0.diff b/tools/toolchain-patches/rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-8.5.0.diff
deleted file mode 100644
index b320b969a5..0000000000
--- a/tools/toolchain-patches/rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-8.5.0.diff
+++ /dev/null
@@ -1,77 +0,0 @@
-diff -Naur gcc-8.5.0/gcc/config/arm/arm_cmse.h gcc-8.5.0-patched/gcc/config/arm/ar
-m_cmse.h
---- gcc-8.5.0/gcc/config/arm/arm_cmse.h 2021-05-14 04:42:08.000000000 -0400
-+++ gcc-8.5.0-patched/gcc/config/arm/arm_cmse.h 2023-04-17 14:32:56.547477547 -0400
-@@ -35,7 +35,7 @@
- #if __ARM_FEATURE_CMSE & 1
- 
- #include <stddef.h>
--#include <stdint.h>
-+//#include <stdint.h>
- 
- #ifdef __ARM_BIG_ENDIAN
- 
-diff -aur gcc-8.5.0/gcc/config/arm/t-arm-elf gcc-8.5.0-patched/gcc/config/arm/t-arm-elf
---- gcc-8.5.0/gcc/config/arm/t-arm-elf  2021-05-14 04:42:08.000000000 -0400
-+++ gcc-8.5.0-patched/gcc/config/arm/t-arm-elf  2022-11-26 23:16:30.714433566 -0500
-@@ -80,6 +80,10 @@
- MULTILIB_REQUIRED    += marm/mfpu=auto/march=armv5te+fp/mfloat-abi=hard
- MULTILIB_REQUIRED    += mthumb/mfpu=auto/march=armv7+fp/mfloat-abi=hard
- 
-+# And we want to be able to disable interworking
-+MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
-+MULTILIB_DIRNAMES   += normal interwork
-+
- # PART 3 - Match rules
- 
- # Map all supported FPUs onto mfpu=auto
-diff -aur gcc-8.5.0/libgcc/config/arm/t-bpabi gcc-8.5.0-patched/libgcc/config/arm/t-bpabi
---- gcc-8.5.0/libgcc/config/arm/t-bpabi 2021-05-14 04:42:10.000000000 -0400
-+++ gcc-8.5.0-patched/libgcc/config/arm/t-bpabi 2022-11-26 23:14:40.938038440 -0500
-@@ -17,4 +17,4 @@
- # On ARM, specifying -fnon-call-exceptions will needlessly pull in
- # the unwinder in simple programs which use 64-bit division.  Omitting
- # the option is safe.
--LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions
-+LIB2_DIVMOD_EXCEPTION_FLAGS := -fno-exceptions -fno-non-call-exceptions
-diff -aur gcc-8.5.0/libgcc/config/arm/cmse.c gcc-8.5.0-patch/libgcc/config/arm/cmse.c
---- gcc-8.5.0/libgcc/config/arm/cmse.c  2021-05-14 04:42:10.000000000 -0400
-+++ gcc-8.5.0-patched/libgcc/config/arm/cmse.c    2023-04-17 15:12:11.865456701 -0400
-@@ -36,7 +36,7 @@
-   char *pb = (char *) p, *pe;
- 
-   /* Check if the range wraps around.  */
--  if (UINTPTR_MAX - (uintptr_t) p < size)
-+  if (__UINTPTR_MAX__ - (__UINTPTR_TYPE__) p < size)
-     return NULL;
- 
-   /* Check if an unknown flag is present.  */
-@@ -51,7 +51,7 @@
- 
-   /* Execute the right variant of the TT instructions.  */
-   pe = pb + size - 1;
--  const int singleCheck = (((uintptr_t) pb ^ (uintptr_t) pe) < 32);
-+  const int singleCheck = (((__UINTPTR_TYPE__) pb ^ (__UINTPTR_TYPE__) pe) < 32);
-   switch (flags & known_secure_level)
-     {
-     case 0:
-diff -aur gcc-8.5.0/libgcc/Makefile.in gcc-8.5.0-patched/libgcc/Makefile.in
---- gcc-8.5.0/libgcc/Makefile.in        2021-05-14 04:42:10.000000000 -0400
-+++ gcc-8.5.0-patched/libgcc/Makefile.in        2022-11-26 23:13:56.781304250 -0500
-@@ -526,7 +526,7 @@
- ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),)
- # Provide default flags for compiling divmod functions, if they haven't been
- # set already by a target-specific Makefile fragment.
--LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions
-+LIB2_DIVMOD_EXCEPTION_FLAGS := -fno-exceptions -fno-non-call-exceptions
- endif
-
- # Build LIB2_DIVMOD_FUNCS.
-@@ -847,7 +847,7 @@
- # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
- # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
-
--c_flags := -fexceptions
-+c_flags := -fno-exceptions
-
- ifeq ($(enable_shared),yes)