Revert "Toolchains: Update to GCC 8.5.0"

Accidental push instead of going to gerrit. #!$!#! This reverts commit 67dc833e46. Change-Id: I42a7c9dfd0f1a3dd676b1a5d3eee0a900f2561f7
2025-10-13 10:07:38 -04:00 · 2024-06-30 15:06:35 -04:00 · 2024-06-30 15:06:35 -04:00 · 1c3f77eccd
commit 1c3f77eccd
parent 67dc833e46
5 changed files with 179 additions and 173 deletions
--- 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-"
 }

--- 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
-	    #
-            # 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: 2.6.27.59 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
            #
-            # 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
-	    #
+            # Sony NWZ:
+            #   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 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"
--- a/tools/toolchain-patches/glibc-225-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
 +
--- 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
@ -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)
+ 
--- 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
@ -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)