Toolchains: Update to GCC 9.5.0

GCC 9.5.0, binutils 2.38, gmp 6.1.2, mpfr 4.1.1, mpc 1.2.1, isl 0.18 Native: * arm - mini2g, nano2g, ipod6g works * mips - xduoox3 works * m68k - binaries untested Hosted: * arm - samsungypr0 works * mips - xduoox3ii works * Android NDK - unchanged at GCC 4.9.4 Change-Id: I80faed4c74f7238265bf7a19b794e8476c351411
2025-10-13 10:07:38 -04:00 · 2025-09-07 15:42:33 -04:00 · 2025-09-07 15:42:33 -04:00 · 977b6ef692
commit 977b6ef692
parent 5a1a5de3e3
10 changed files with 242 additions and 188 deletions
--- a/tools/configure
+++ b/tools/configure
@ -138,7 +138,7 @@ app_set_lcd_size () {

 findarmgcc() {
  prefixtools arm-elf-eabi-
-  gccchoice="4.9.4"
+  gccchoice="9.5.0"
 }

 # scan the $PATH for the given command
@ -548,7 +548,7 @@ coldfirecc () {
 GCCOPTS="$CCOPTS -mcpu=5249 -malign-int -mstrict-align"
 GCCOPTIMIZE="-fomit-frame-pointer"
 endian="big"
- gccchoice="4.9.4"
+ gccchoice="9.5.0"
 }

 arm7tdmicc () {
@ -628,7 +628,7 @@ mipselcc () {
 GCCOPTS="$GCCOPTS -ffunction-sections -msoft-float -G 0 -Wno-parentheses"
 GCCOPTIMIZE="-fomit-frame-pointer"
 endian="little"
- gccchoice="4.9.4"
+ gccchoice="9.5.0"
 }

 mipsr2elcc () {
@ -638,7 +638,7 @@ mipsr2elcc () {
 GCCOPTS="$GCCOPTS -ffunction-sections -msoft-float -G 0 -Wno-parentheses"
 GCCOPTIMIZE="-fomit-frame-pointer"
 endian="little"
- gccchoice="4.9.4"
+ gccchoice="9.5.0"
 }

 maemocc () {
@ -786,7 +786,7 @@ arm1176jzlinuxcc () {
 GCCOPTS="$GCCOPTS  -D_GNU_SOURCE=1 -U_FORTIFY_SOURCE -D_REENTRANT"

 # Set up compiler
- gccchoice="4.9.4"
+ gccchoice="9.5.0"
 prefixtools "arm-rockbox-linux-gnueabi-"
 }

@ -966,7 +966,7 @@ mipsellinuxcc () {
 GCCOPTS="$GCCOPTS  -D_GNU_SOURCE=1 -U_FORTIFY_SOURCE -D_REENTRANT"

 # Set up compiler
- gccchoice="4.9.4"
+ gccchoice="9.5.0"
 prefixtools "mipsel-rockbox-linux-gnu-"
 }

--- a/tools/rockboxdev.sh
+++ b/tools/rockboxdev.sh
@ -333,7 +333,7 @@ check_restart() {
 # $5=make install options (will be replaced by "install" if left empty)
 # By default, the restary step is the toolname, but it can be changed by setting
 # RESTART_STEP
-buildtool() {
+buildtool () {
    tool="$1"
    version="$2"
    toolname="$tool-$version"
@ -389,7 +389,9 @@ buildtool() {
    elif [ "$config_opt" != "NO_CONFIGURE" ]; then
        echo "ROCKBOXDEV: $toolname/configure"
        cflags='-U_FORTIFY_SOURCE -fgnu89-inline -O2'
-        if [ "$tool" == "glib" ]; then
+        if [ "$tool" == "glibc" ]; then
+            cflags="$cflags -fcommon"  # glibc < 2.30 needs -fcommon for gcc10+
+	elif [ "$tool" == "glib" ]; then
            run_cmd "$logfile" $SED -i -e 's/m4_copy/m4_copy_force/g' "$cfg_dir/m4macros/glib-gettext.m4"
            run_cmd "$logfile" autoreconf -fiv "$cfg_dir"
            cflags="$cflags -Wno-format-nonliteral -Wno-format-overflow"
@ -443,7 +445,8 @@ build() {

        # For Apple targets only
        if [ "$system" == "Darwin" ] ; then
-            patch="$patch apple_silicon.patch apple_silicon-zlib.patch"
+            # gcc-libcpp17: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111632
+            patch="$patch apple_silicon.patch apple_silicon-zlib.patch gcc-libcpp17.patch"
            EXTRA_CXXFLAGS="-fbracket-depth=512"
        fi
    fi
@ -489,30 +492,30 @@ build() {
        cd "$toolname-$version"
        if (echo $needs_libs | grep -q gmp && test ! -d gmp); then
            echo "ROCKBOXDEV: Getting GMP"
-            getfile "gmp-6.1.2.tar.xz" "$GNU_MIRROR/gmp"
-            tar xJf $dlwhere/gmp-6.1.2.tar.xz
+            getfile "gmp-6.1.2.tar.bz2" "$GNU_MIRROR/gmp"
+            tar xjf $dlwhere/gmp-6.1.2.tar.bz2
            ln -s gmp-6.1.2 gmp
        fi

        if (echo $needs_libs | grep -q mpfr && test ! -d mpfr); then
            echo "ROCKBOXDEV: Getting MPFR"
-            getfile "mpfr-3.1.6.tar.xz" "$GNU_MIRROR/mpfr"
-            tar xJf $dlwhere/mpfr-3.1.6.tar.xz
-            ln -s mpfr-3.1.6 mpfr
+            getfile "mpfr-4.1.1.tar.xz" "$GNU_MIRROR/mpfr"
+            tar xJf $dlwhere/mpfr-4.1.1.tar.xz
+            ln -s mpfr-4.1.1 mpfr
        fi

        if (echo $needs_libs | grep -q mpc && test ! -d mpc); then
            echo "ROCKBOXDEV: Getting 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
+            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
        fi

        if (echo $needs_libs | grep -q isl && test ! -d isl); then
            echo "ROCKBOXDEV: Getting 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
+            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
        fi
        cd $builddir
    fi
@ -561,9 +564,9 @@ 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"

@ -802,26 +805,26 @@ do
    echo ""
    case $arch in
        [Ii])
-            build "binutils" "mipsel-elf" "2.26.1" "binutils-c23.patch" "--disable-werror" "gmp isl"
-            build "gcc" "mipsel-elf" "4.9.4" "" "" "gmp mpfr mpc isl"
+            build "binutils" "mipsel-elf" "2.38" "binutils-c23.patch" "--disable-werror" "gmp isl"
+            build "gcc" "mipsel-elf" "9.5.0" "" "" "gmp mpfr mpc isl"
            ;;

        [Mm])
-            build "binutils" "m68k-elf" "2.26.1" "" "--disable-werror" "gmp isl"
-            build "gcc" "m68k-elf" "4.9.4" "" "--with-arch=cf MAKEINFO=missing" "gmp mpfr mpc isl"
+            build "binutils" "m68k-elf" "2.38" "" "--disable-werror" "gmp isl"
+            build "gcc" "m68k-elf" "9.5.0" "" "--with-arch=cf MAKEINFO=missing" "gmp mpfr mpc isl"
            ;;

        [Aa])
            binopts=""
-            gccopts=""
+            gccopts="--with-multilib-list=rmprofile"
            case $system in
                Darwin)
                    binopts="--disable-nls"
                    gccopts="--disable-nls"
                    ;;
            esac
-            build "binutils" "arm-elf-eabi" "2.26.1" "" "$binopts --disable-werror" "gmp isl"
-            build "gcc" "arm-elf-eabi" "4.9.4" "rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-4.9.4.diff" "$gccopts MAKEINFO=missing" "gmp mpfr mpc isl"
+            build "binutils" "arm-elf-eabi" "2.38" "" "$binopts --disable-werror" "gmp isl"
+            build "gcc" "arm-elf-eabi" "9.5.0" "rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-9.5.0.diff" "$gccopts MAKEINFO=missing" "gmp mpfr mpc isl"
            ;;
        [Xx])
            # IMPORTANT NOTE
@ -830,30 +833,19 @@ do
            #
            # Samsung YP-R0/R1:
            #  ARM1176JZF-S, softfp EABI
-            #   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
-            #
+	    #   kernel: device runs 2.6.24, but oem toolchain is built against 2.6.27.59
+	    #   glibc:  device runs 2.4.2
+	    #
            # Sony NWZ:
-            #   gcc: 4.9.4 is the latest 4.9.x stable branch, also the only one that
-            #        compiles with GCC >6
-            #   kernel: 2.6.32.71 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
+	    #   kernel: Varies from device to device; 2.6.23, 2.6.35, and 3.x seen.
+	    #   glibc:  device runs 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.
+            # 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
+	    #
            glibcopts="--enable-kernel=2.6.23 --enable-oldest-abi=2.4"
-            build_linux_toolchain "arm-rockbox-linux-gnueabi" "2.26.1" "" "" "4.9.4" \
-                "$gccopts" "2.6.32.71" "" "2.19" "$glibcopts" "glibc-220-make44.patch"
+            build_linux_toolchain "arm-rockbox-linux-gnueabi" "2.38" "" "" "9.5.0" \
+                "$gccopts" "2.6.32.71" "" "2.20" "$glibcopts" "glibc-220-make44.patch glibc-2.20-gcc10.patch"
            # build alsa-lib
            # we need to set the prefix to how it is on device (/usr) and then
            # tweak install dir at make install step
@ -868,28 +860,22 @@ do
            # This toolchain must support several targets and thus must support
            # the oldest possible configuration.
            #
-            # AGPTek Rocker:
-            #   XBurst release 1 (something inbetween mips32r1 and mips32r2)
-            #   gcc: 4.9.4 is the latest 4.9.x stable branch, also the only one that
-            #        compiles with GCC >6
+            # AGPTek Rocker (and other HibyOS players):
            #   kernel: 3.10.14
            #   glibc: 2.16
            #   alsa: 1.0.29
            #
-            # FiiO M3K Linux:
+            # FiiO M3K Linux (Based on Ingenic SDK):
            #   kernel: 3.10.14
            #   glibc: 2.16
            #   alsa: 1.0.26
            #
-            # To maximize compatibility, we use kernel 3.2.89 which is the latest
-            # longterm 3.2 kernel and is supported by the latest glibc, and we
-            # require support for up to glibc 2.16
-            # We use a recent 2.26.1 binutils to avoid any build problems and
-            # avoid patches/bugs.
-            glibcopts="--enable-kernel=3.2 --enable-oldest-abi=2.16"
-            # FIXME: maybe add -mhard-float
-            build_linux_toolchain "mipsel-rockbox-linux-gnu" "2.26.1" "" "binutils-c23.patch" "4.9.4" \
-                "$gccopts" "3.2.89" "linux-c23.patch" "2.25" "$glibcopts" "glibc-225-make44.patch"
+	    # Use a recent 3.10 LTS kernel, but glibc 2.27 targeting 3.2.x and API 2.16
+	    #
+            glibcopts="--enable-kernel=3.2 --enable-oldest-abi=2.16 --disable-werror"
+            # FIXME: maybe add -mhard-float?
+            build_linux_toolchain "mipsel-rockbox-linux-gnu" "2.38" "" "binutils-c23.patch" "9.5.0" \
+                "$gccopts" "3.10.108" "linux-c23.patch" "2.27" "$glibcopts" "glibc-227-make44.patch"
            # build alsa-lib
            # we need to set the prefix to how it is on device (/usr) and then
            # tweak install dir at make install step
@ -897,7 +883,10 @@ do
            gettool "alsa-lib" "$alsalib_ver"
            extract "alsa-lib-$alsalib_ver"
            prefix="/usr" buildtool "alsa-lib" "$alsalib_ver" \
-                "--host=$target --disable-python" "" "install DESTDIR=$prefix/$target/sysroot"
+                  "--host=$target --disable-python" "" "install DESTDIR=$prefix/$target/sysroot"
+
+	    ### Everything below here is needed only for bluetooth support
+
            # build libffi
 	    libffi_ver="3.2.1"
 	    gettool "libffi" "$libffi_ver"
@ -918,7 +907,7 @@ do
 	    gettool "glib" "$glib_ver"
 	    extract "glib-$glib_ver"
 	    prefix="/usr" buildtool "glib" "$glib_ver" \
-               "--host=$target --with-sysroot=$prefix/$target/sysroot --disable-libelf glib_cv_stack_grows=no glib_cv_uscore=no ac_cv_func_posix_getpwuid_r=yes ac_cv_func_posix_getgrgid_r=yes" "" "install DESTDIR=$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 CFLAGS=-Wno-error=format-nonliteral" "" "install DESTDIR=$prefix/$target/sysroot"

            # build expat
 	    expat_ver="2.1.0"
@ -934,7 +923,6 @@ 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/apple_silicon-zlib.patch
+++ b/tools/toolchain-patches/apple_silicon-zlib.patch
@ -1,14 +1,14 @@
 diff --git a/zlib/zutil.h b/zlib/zutil.h
-index ed6b127e..3186e991 100644
+index 4b596adf..66d54cc3 100644
 --- a/zlib/zutil.h
 +++ b/zlib/zutil.h
-@@ -118,17 +118,8 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
+@@ -130,17 +130,8 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
 #  endif
 #endif
 
 -#if defined(MACOS) || defined(TARGET_OS_MAC)
 +#if defined(MACOS)
- #  define OS_CODE  0x07
+ #  define OS_CODE  7
 -#  ifndef Z_SOLO
 -#    if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
 -#      include <unix.h> /* for fdopen */
@ -20,4 +20,4 @@ index ed6b127e..3186e991 100644
 -#  endif
 #endif
 
- #ifdef TOPS20
+ #ifdef __acorn
--- a/tools/toolchain-patches/apple_silicon.patch
+++ b/tools/toolchain-patches/apple_silicon.patch
@ -1,3 +1,16 @@
+diff --git a/gcc/gcc/config/aarch64/aarch64.h b/gcc/gcc/config/aarch64/aarch64.h
+index 976f9afae5..736b83ff0b 100644
+--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
+@@ -1000,7 +1000,7 @@ extern const char *aarch64_rewrite_mcpu (int argc, const char **argv);
+ #define MCPU_TO_MARCH_SPEC_FUNCTIONS \
+   { "rewrite_mcpu", aarch64_rewrite_mcpu },
+ 
+-#if defined(__aarch64__)
+#if defined(__aarch64__) && ! defined(__APPLE__)
+ extern const char *host_detect_local_cpu (int argc, const char **argv);
+ #define HAVE_LOCAL_CPU_DETECT
+ # define EXTRA_SPEC_FUNCTIONS						\
 diff --git a/gcc/gcc/config/host-darwin.c b/gcc/gcc/config/host-darwin.c
 index 8f700eec85..b737abc006 100644
 --- a/gcc/config/host-darwin.c
--- a/tools/toolchain-patches/binutils-c23.patch
+++ b/tools/toolchain-patches/binutils-c23.patch
@ -1,7 +1,7 @@
 diff -ur binutils-2.26.X/opcodes/mips-formats.h binutils-2.26.1/opcodes/mips-formats.h
 --- binutils-2.26.X/opcodes/mips-formats.h	2015-11-13 03:27:42.000000000 -0500
 +++ binutils-2.26.1/opcodes/mips-formats.h	2025-04-28 14:04:50.949355647 -0400
-@@ -46,7 +46,7 @@
+@@ -49,7 +49,7 @@
 #define MAPPED_INT(SIZE, LSB, MAP, PRINT_HEX) \
   { \
     typedef char ATTRIBUTE_UNUSED \
@ -10,7 +10,7 @@ diff -ur binutils-2.26.X/opcodes/mips-formats.h binutils-2.26.1/opcodes/mips-for
     static const struct mips_mapped_int_operand op = { \
       { OP_MAPPED_INT, SIZE, LSB }, MAP, PRINT_HEX \
     }; \
-@@ -80,7 +80,7 @@
+@@ -83,7 +83,7 @@
 #define MAPPED_REG(SIZE, LSB, BANK, MAP) \
   { \
     typedef char ATTRIBUTE_UNUSED \
@ -19,7 +19,7 @@ diff -ur binutils-2.26.X/opcodes/mips-formats.h binutils-2.26.1/opcodes/mips-for
     static const struct mips_reg_operand op = { \
       { OP_REG, SIZE, LSB }, OP_REG_##BANK, MAP \
     }; \
-@@ -90,7 +90,7 @@
+@@ -93,7 +93,7 @@
 #define OPTIONAL_MAPPED_REG(SIZE, LSB, BANK, MAP) \
   { \
     typedef char ATTRIBUTE_UNUSED \
--- a/tools/toolchain-patches/gcc-libcpp17.patch
+++ b/tools/toolchain-patches/gcc-libcpp17.patch
@ -0,0 +1,66 @@
+diff --git a/gcc/system.h b/gcc/system.h
+index d04f8fd33..636084682 100644
+--- a/gcc/system.h
+++ b/gcc/system.h
+@@ -197,25 +197,6 @@ extern int fprintf_unlocked (FILE *, const char *, ...);
+ /* Include <string> before "safe-ctype.h" to avoid GCC poisoning
+    the ctype macros through safe-ctype.h */
+ 
+-#ifdef __cplusplus
+-#ifdef INCLUDE_STRING
+-# include <string>
+-#endif
+-#endif
+-
+-/* There are an extraordinary number of issues with <ctype.h>.
+-   The last straw is that it varies with the locale.  Use libiberty's
+-   replacement instead.  */
+-#include "safe-ctype.h"
+-
+-#include <sys/types.h>
+-
+-#include <errno.h>
+-
+-#if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO
+-extern int errno;
+-#endif
+-
+ #ifdef __cplusplus
+ #if defined (INCLUDE_ALGORITHM) || !defined (HAVE_SWAP_IN_UTILITY)
+ # include <algorithm>
+@@ -229,6 +210,9 @@ extern int errno;
+ #ifdef INCLUDE_SET
+ # include <set>
+ #endif
+#ifdef INCLUDE_STRING
+# include <string>
+#endif
+ #ifdef INCLUDE_VECTOR
+ # include <vector>
+ #endif
+@@ -237,6 +221,25 @@ extern int errno;
+ # include <utility>
+ #endif
+ 
+#ifdef __cplusplus
+#ifdef INCLUDE_STRING
+# include <string>
+#endif
+#endif
+
+/* There are an extraordinary number of issues with <ctype.h>.
+   The last straw is that it varies with the locale.  Use libiberty's
+   replacement instead.  */
+#include "safe-ctype.h"
+
+#include <sys/types.h>
+
+#include <errno.h>
+
+#if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO
+extern int errno;
+#endif
+
+ /* Some of glibc's string inlines cause warnings.  Plus we'd rather
+    rely on (and therefore test) GCC's string builtins.  */
+ #define __NO_STRING_INLINES
--- a/tools/toolchain-patches/glibc-2.20-gcc10.patch
+++ b/tools/toolchain-patches/glibc-2.20-gcc10.patch
@ -0,0 +1,12 @@
+diff -Naur glibc-2.20/configure glibc-2.20-patched/configure
+--- glibc-2.20/configure	2014-09-07 04:09:09.000000000 -0400
+++ glibc-2.20-patched/configure	2025-08-05 07:40:19.923528264 -0400
+@@ -4661,7 +4661,7 @@
+   ac_prog_version=`$CC -v 2>&1 | sed -n 's/^.*version \([egcygnustpi-]*[0-9.]*\).*$/\1/p'`
+   case $ac_prog_version in
+     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
+-    4.[4-9].* | 4.[1-9][0-9].* | [5-9].* )
+    4.[4-9].* | 4.[1-9][0-9].* | [5-9].* | 1[0-9].* )
+        ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
+     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
+ 
--- a/tools/toolchain-patches/glibc-227-make44.patch
+++ b/tools/toolchain-patches/glibc-227-make44.patch
@ -1,7 +1,7 @@
-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 @@
+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 @@
 # define P_tmpdir	"/tmp"
 #endif
 
@ -32,20 +32,19 @@ diff -Naur glibc-2.25/libio/stdio.h glibc-2.25-patched/libio/stdio.h
 
 /* Standard streams.  */
 extern struct _IO_FILE *stdin;		/* Standard input stream.  */
-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
+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 @@
 
 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); @:
@ -53,8 +52,7 @@ diff -Naur glibc-2.25/Makerules glibc-2.25-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)			\
@ -62,21 +60,14 @@ diff -Naur glibc-2.25/Makerules glibc-2.25-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.
@ -91,9 +82,9 @@ diff -Naur glibc-2.25/Makerules glibc-2.25-patched/Makerules
 FORCE:
 
 .PHONY: echo-headers
-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
+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
@@ -60,9 +60,6 @@
 common-generated :=
 endif
@ -104,11 +95,11 @@ diff -Naur glibc-2.25/Rules glibc-2.25-patched/Rules
 include $(..)Makerules
 
 .PHONY: subdir_lib
-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.
+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.
 -   This file is part of the GNU C Library.
 -
 -   The GNU C Library is free software; you can redistribute it and/or
@ -125,34 +116,31 @@ diff -Naur glibc-2.25/stdio-common/stdio_lim.h.in glibc-2.25-patched/stdio-commo
 -   License along with the GNU C Library; if not, see
 -   <http://www.gnu.org/licenses/>.  */
 -
-#if !defined _STDIO_H && !defined __need_FOPEN_MAX && !defined __need_IOV_MAX
+-#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
 -
-#ifdef _STDIO_H
-# define L_tmpnam @L_tmpnam@
-# define TMP_MAX @TMP_MAX@
-# define FILENAME_MAX @FILENAME_MAX@
+-#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@
-#  endif
+-#ifdef __USE_POSIX
+-# define L_ctermid @L_ctermid@
+-# if !defined __USE_XOPEN2K || defined __USE_GNU
+-#  define L_cuserid @L_cuserid@
 -# endif
 -#endif
 -
-#if defined __need_FOPEN_MAX || defined _STDIO_H
-# undef  FOPEN_MAX
-# define FOPEN_MAX @FOPEN_MAX@
-#endif
+-#undef  FOPEN_MAX
+-#define FOPEN_MAX @FOPEN_MAX@
 -
-#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
+-#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
@@ -0,0 +1,28 @@
 +/* System specific stdio.h definitions.  Hurd version.
 +   Copyright (C) 2023 Free Software Foundation, Inc.
@ -182,9 +170,9 @@ diff -Naur glibc-2.25/sysdeps/mach/hurd/bits/stdio_lim.h glibc-2.25-patched/sysd
 +#define FILENAME_MAX 1024
 +
 +#endif /* bits/stdio_lim.h */
-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
+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
@@ -1,8 +1,3 @@
 -# These affect the generated bits/stdio_lim.h file.
 -L_tmpnam  = 20
@ -194,9 +182,9 @@ diff -Naur glibc-2.25/sysdeps/posix/Makefile glibc-2.25-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-2.25/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
+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
@@ -0,0 +1,28 @@
 +/* System specific stdio.h definitions.  Linux version.
 +   Copyright (C) 2023 Free Software Foundation, Inc.
@ -219,9 +207,9 @@ diff -Naur glibc-2.25/sysdeps/unix/sysv/linux/bits/stdio_lim.h glibc-2.25-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
@ -1,56 +0,0 @@
-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-9.5.0.diff
+++ b/tools/toolchain-patches/rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-9.5.0.diff
@ -0,0 +1,43 @@
+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
+@@ -81,6 +81,10 @@
+ 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/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
+@@ -530,7 +530,7 @@
+ ifeq ($(LIB2_DIVMOD_EXCEPTION_FLAGS),)
+ # Provide default flags for compiling divmod functions, if they haven't been
+ # set already by a target-specific Makefile fragment.
+-LIB2_DIVMOD_EXCEPTION_FLAGS := -fexceptions -fnon-call-exceptions
+LIB2_DIVMOD_EXCEPTION_FLAGS := -fno-exceptions -fno-non-call-exceptions
+ endif
+
+ # Build LIB2_DIVMOD_FUNCS.
+@@ -851,7 +851,7 @@
+ # libgcc_eh.a, only LIB2ADDEH matters.  If we do, only LIB2ADDEHSTATIC and
+ # LIB2ADDEHSHARED matter.  (Usually all three are identical.)
+
+-c_flags := -fexceptions
+c_flags := -fno-exceptions
+
+ ifeq ($(enable_shared),yes)