diff --git a/openwrt/package/linux/kernel-patches/600-optional-aout-support b/openwrt/package/linux/kernel-patches/600-optional-aout-support
new file mode 100644
index 00000000000..56dc1991cfc
--- /dev/null
+++ b/openwrt/package/linux/kernel-patches/600-optional-aout-support
@@ -0,0 +1,688 @@
+diff -urPX nopatch linux-2.4.26/Documentation/Configure.help linux/Documentation/Configure.help
+--- linux-2.4.26/Documentation/Configure.help	Sat Apr 17 02:10:25 2004
++++ linux/Documentation/Configure.help	Sat Apr 17 02:13:54 2004
+@@ -4622,6 +4622,12 @@
+   will be called binfmt_elf.o. Saying M or N here is dangerous because
+   some crucial programs on your system might be in ELF format.
+ 
++ELF binaries with a.out format interpreters or a.out libraries
++CONFIG_BINFMT_ELF_AOUT
++  The kernel may support ELF executables which use an a.out format
++  interpreter (dynamic linker) and/or a.out shared libraries, in
++  addition to the usual ELF-ELF setups. You shouldn't need this.
++
+ Kernel support for a.out binaries
+ CONFIG_BINFMT_AOUT
+   A.out (Assembler.OUTput) is a set of formats for libraries and
+@@ -4635,13 +4641,11 @@
+   warrant removing support. However its removal is a good idea if you
+   wish to ensure that absolutely none of your programs will use this
+   older executable format. If you don't know what to answer at this
+-  point then answer Y. If someone told you "You need a kernel with
++  point then answer N. If someone told you "You need a kernel with
+   QMAGIC support" then you'll have to say Y here. You may answer M to
+   compile a.out support as a module and later load the module when you
+   want to use a program or library in a.out format. The module will be
+-  called binfmt_aout.o. Saying M or N here is dangerous though,
+-  because some crucial programs on your system might still be in A.OUT
+-  format.
++  called binfmt_aout.o.
+ 
+ OSF/1 v4 readv/writev compatibility
+ CONFIG_OSF4_COMPAT
+diff -urPX nopatch linux-2.4.26/arch/alpha/config.in linux/arch/alpha/config.in
+--- linux-2.4.26/arch/alpha/config.in	Fri Feb 20 10:07:20 2004
++++ linux/arch/alpha/config.in	Sat Apr 17 02:13:54 2004
+@@ -315,6 +315,9 @@
+ fi
+ 
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ tristate 'Kernel support for Linux/Intel ELF binaries' CONFIG_BINFMT_EM86
+ source drivers/parport/Config.in
+diff -urPX nopatch linux-2.4.26/arch/alpha/defconfig linux/arch/alpha/defconfig
+--- linux-2.4.26/arch/alpha/defconfig	Fri Feb 20 10:07:20 2004
++++ linux/arch/alpha/defconfig	Sat Apr 17 02:13:54 2004
+@@ -72,6 +72,7 @@
+ # CONFIG_KCORE_AOUT is not set
+ # CONFIG_BINFMT_AOUT is not set
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ # CONFIG_BINFMT_MISC is not set
+ # CONFIG_BINFMT_EM86 is not set
+ 
+diff -urPX nopatch linux-2.4.26/arch/arm/config.in linux/arch/arm/config.in
+--- linux-2.4.26/arch/arm/config.in	Fri Feb 20 10:07:20 2004
++++ linux/arch/arm/config.in	Sat Apr 17 02:13:54 2004
+@@ -499,6 +499,9 @@
+ 	 A.OUT		CONFIG_KCORE_AOUT" ELF
+ tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ dep_bool 'Power Management support (experimental)' CONFIG_PM $CONFIG_EXPERIMENTAL
+ dep_tristate 'RISC OS personality' CONFIG_ARTHUR $CONFIG_CPU_32
+diff -urPX nopatch linux-2.4.26/arch/arm/defconfig linux/arch/arm/defconfig
+--- linux-2.4.26/arch/arm/defconfig	Fri Feb 20 10:07:21 2004
++++ linux/arch/arm/defconfig	Sat Apr 17 02:13:54 2004
+@@ -83,8 +83,9 @@
+ CONFIG_NWFPE=y
+ CONFIG_KCORE_ELF=y
+ # CONFIG_KCORE_AOUT is not set
+-CONFIG_BINFMT_AOUT=y
++# CONFIG_BINFMT_AOUT is not set
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ # CONFIG_BINFMT_MISC is not set
+ # CONFIG_PM is not set
+ # CONFIG_ARTHUR is not set
+diff -urPX nopatch linux-2.4.26/arch/cris/config.in linux/arch/cris/config.in
+--- linux-2.4.26/arch/cris/config.in	Fri Feb 20 10:07:21 2004
++++ linux/arch/cris/config.in	Sat Apr 17 02:13:54 2004
+@@ -31,6 +31,9 @@
+ bool 'Sysctl support' CONFIG_SYSCTL
+ 
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ 
+ string 'Kernel command line' CONFIG_ETRAX_CMDLINE "root=/dev/mtdblock3"
+ 
+diff -urPX nopatch linux-2.4.26/arch/cris/defconfig linux/arch/cris/defconfig
+--- linux-2.4.26/arch/cris/defconfig	Fri Feb 20 10:07:21 2004
++++ linux/arch/cris/defconfig	Sat Apr 17 02:13:54 2004
+@@ -18,6 +18,7 @@
+ # CONFIG_BSD_PROCESS_ACCT is not set
+ # CONFIG_SYSCTL is not set
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ # CONFIG_ETRAX_KGDB is not set
+ # CONFIG_ETRAX_WATCHDOG is not set
+ 
+diff -urPX nopatch linux-2.4.26/arch/i386/config.in linux/arch/i386/config.in
+--- linux-2.4.26/arch/i386/config.in	Fri Feb 20 10:07:21 2004
++++ linux/arch/i386/config.in	Sat Apr 17 02:13:54 2004
+@@ -327,6 +327,9 @@
+ fi
+ tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ bool 'Select task to kill on out of memory condition' CONFIG_OOM_KILLER
+ 
+diff -urPX nopatch linux-2.4.26/arch/i386/defconfig linux/arch/i386/defconfig
+--- linux-2.4.26/arch/i386/defconfig	Sat Apr 17 02:10:25 2004
++++ linux/arch/i386/defconfig	Sat Apr 17 02:23:27 2004
+@@ -110,9 +110,10 @@
+ CONFIG_SYSCTL=y
+ CONFIG_KCORE_ELF=y
+ # CONFIG_KCORE_AOUT is not set
+-CONFIG_BINFMT_AOUT=y
++# CONFIG_BINFMT_AOUT is not set
+ CONFIG_BINFMT_ELF=y
+-CONFIG_BINFMT_MISC=y
++# CONFIG_BINFMT_ELF_AOUT is not set
++# CONFIG_BINFMT_MISC is not set
+ # CONFIG_OOM_KILLER is not set
+ CONFIG_PM=y
+ # CONFIG_APM is not set
+diff -urPX nopatch linux-2.4.26/arch/ia64/config.in linux/arch/ia64/config.in
+--- linux-2.4.26/arch/ia64/config.in	Fri Feb 20 10:07:21 2004
++++ linux/arch/ia64/config.in	Sat Apr 17 02:13:54 2004
+@@ -124,6 +124,9 @@
+ bool 'BSD Process Accounting' CONFIG_BSD_PROCESS_ACCT
+ bool 'Sysctl support' CONFIG_SYSCTL
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ 
+ if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
+diff -urPX nopatch linux-2.4.26/arch/ia64/defconfig linux/arch/ia64/defconfig
+--- linux-2.4.26/arch/ia64/defconfig	Fri Feb 20 10:07:21 2004
++++ linux/arch/ia64/defconfig	Sat Apr 17 02:13:54 2004
+@@ -60,6 +60,7 @@
+ # CONFIG_BSD_PROCESS_ACCT is not set
+ CONFIG_SYSCTL=y
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ # CONFIG_BINFMT_MISC is not set
+ CONFIG_ACPI=y
+ CONFIG_ACPI_EFI=y
+diff -urPX nopatch linux-2.4.26/arch/m68k/config.in linux/arch/m68k/config.in
+--- linux-2.4.26/arch/m68k/config.in	Fri Feb 20 10:07:22 2004
++++ linux/arch/m68k/config.in	Sat Apr 17 02:13:55 2004
+@@ -99,6 +99,9 @@
+ fi
+ tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ 
+ if [ "$CONFIG_AMIGA" = "y" ]; then
+diff -urPX nopatch linux-2.4.26/arch/m68k/defconfig linux/arch/m68k/defconfig
+--- linux-2.4.26/arch/m68k/defconfig	Fri Feb 20 10:07:22 2004
++++ linux/arch/m68k/defconfig	Sat Apr 17 02:13:55 2004
+@@ -44,8 +44,9 @@
+ CONFIG_SYSCTL=y
+ CONFIG_KCORE_ELF=y
+ # CONFIG_KCORE_AOUT is not set
+-CONFIG_BINFMT_AOUT=y
++# CONFIG_BINFMT_AOUT is not set
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ # CONFIG_BINFMT_MISC is not set
+ CONFIG_ZORRO=y
+ # CONFIG_AMIGA_PCMCIA is not set
+diff -urPX nopatch linux-2.4.26/arch/mips/config-shared.in linux/arch/mips/config-shared.in
+--- linux-2.4.26/arch/mips/config-shared.in	Fri Feb 20 10:07:22 2004
++++ linux/arch/mips/config-shared.in	Sat Apr 17 02:13:55 2004
+@@ -944,6 +944,9 @@
+ define_bool CONFIG_KCORE_AOUT n
+ define_bool CONFIG_BINFMT_AOUT n
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ dep_bool 'Kernel support for Linux/MIPS 32-bit binary compatibility' CONFIG_MIPS32_COMPAT $CONFIG_MIPS64
+ dep_bool 'Kernel support for o32 binaries' CONFIG_MIPS32_O32 $CONFIG_MIPS32_COMPAT
+ dep_bool 'Kernel support for n32 binaries' CONFIG_MIPS32_N32 $CONFIG_MIPS32_COMPAT
+diff -urPX nopatch linux-2.4.26/arch/mips/defconfig linux/arch/mips/defconfig
+--- linux-2.4.26/arch/mips/defconfig	Fri Feb 20 10:07:22 2004
++++ linux/arch/mips/defconfig	Sat Apr 17 02:13:55 2004
+@@ -139,6 +139,7 @@
+ # CONFIG_KCORE_AOUT is not set
+ # CONFIG_BINFMT_AOUT is not set
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ # CONFIG_MIPS32_COMPAT is not set
+ # CONFIG_MIPS32_O32 is not set
+ # CONFIG_MIPS32_N32 is not set
+diff -urPX nopatch linux-2.4.26/arch/mips/kernel/irixelf.c linux/arch/mips/kernel/irixelf.c
+--- linux-2.4.26/arch/mips/kernel/irixelf.c	Mon Aug 25 11:44:40 2003
++++ linux/arch/mips/kernel/irixelf.c	Sat Apr 17 02:13:55 2004
+@@ -8,6 +8,7 @@
+  * Copyright 1993, 1994: Eric Youngdale (ericy@cais.com).
+  */
+ 
++#include <linux/config.h>
+ #include <linux/module.h>
+ 
+ #include <linux/fs.h>
+@@ -48,7 +49,12 @@
+ extern int dump_fpu (elf_fpregset_t *);
+ 
+ static struct linux_binfmt irix_format = {
+-	NULL, THIS_MODULE, load_irix_binary, load_irix_library,
++	NULL, THIS_MODULE, load_irix_binary,
++#ifdef CONFIG_BINFMT_ELF_AOUT
++	load_irix_library,
++#else
++	NULL,
++#endif
+ 	irix_core_dump, PAGE_SIZE
+ };
+ 
+@@ -787,6 +793,7 @@
+ 	goto out;
+ }
+ 
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ /* This is really simpleminded and specialized - we are loading an
+  * a.out library that is given an ELF header.
+  */
+@@ -863,6 +870,7 @@
+ 	kfree(elf_phdata);
+ 	return 0;
+ }
++#endif
+ 
+ /* Called through irix_syssgi() to map an elf image given an FD,
+  * a phdr ptr USER_PHDRP in userspace, and a count CNT telling how many
+diff -urPX nopatch linux-2.4.26/arch/mips64/defconfig linux/arch/mips64/defconfig
+--- linux-2.4.26/arch/mips64/defconfig	Fri Feb 20 10:07:24 2004
++++ linux/arch/mips64/defconfig	Sat Apr 17 02:13:55 2004
+@@ -137,6 +137,7 @@
+ # CONFIG_KCORE_AOUT is not set
+ # CONFIG_BINFMT_AOUT is not set
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ CONFIG_MIPS32_COMPAT=y
+ CONFIG_MIPS32_O32=y
+ # CONFIG_MIPS32_N32 is not set
+diff -urPX nopatch linux-2.4.26/arch/parisc/config.in linux/arch/parisc/config.in
+--- linux-2.4.26/arch/parisc/config.in	Fri Feb 20 10:07:25 2004
++++ linux/arch/parisc/config.in	Sat Apr 17 02:13:55 2004
+@@ -89,6 +89,9 @@
+ bool 'Sysctl support' CONFIG_SYSCTL
+ define_bool CONFIG_KCORE_ELF y
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for SOM binaries' CONFIG_BINFMT_SOM
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ 
+diff -urPX nopatch linux-2.4.26/arch/parisc/defconfig linux/arch/parisc/defconfig
+--- linux-2.4.26/arch/parisc/defconfig	Fri Feb 20 10:07:25 2004
++++ linux/arch/parisc/defconfig	Sat Apr 17 02:13:55 2004
+@@ -56,6 +56,7 @@
+ CONFIG_SYSCTL=y
+ CONFIG_KCORE_ELF=y
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ CONFIG_BINFMT_SOM=y
+ # CONFIG_BINFMT_MISC is not set
+ # CONFIG_PM is not set
+diff -urPX nopatch linux-2.4.26/arch/ppc/config.in linux/arch/ppc/config.in
+--- linux-2.4.26/arch/ppc/config.in	Sat Apr 17 02:10:25 2004
++++ linux/arch/ppc/config.in	Sat Apr 17 02:13:55 2004
+@@ -384,6 +384,7 @@
+ fi
+ define_bool CONFIG_BINFMT_ELF y
+ define_bool CONFIG_KERNEL_ELF y
++bool 'ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ bool 'Select task to kill on out of memory condition' CONFIG_OOM_KILLER
+ 
+diff -urPX nopatch linux-2.4.26/arch/ppc/defconfig linux/arch/ppc/defconfig
+--- linux-2.4.26/arch/ppc/defconfig	Fri Feb 20 10:07:25 2004
++++ linux/arch/ppc/defconfig	Sat Apr 17 02:13:55 2004
+@@ -59,7 +59,8 @@
+ CONFIG_KCORE_ELF=y
+ CONFIG_BINFMT_ELF=y
+ CONFIG_KERNEL_ELF=y
+-CONFIG_BINFMT_MISC=m
++# CONFIG_BINFMT_ELF_AOUT is not set
++# CONFIG_BINFMT_MISC is not set
+ # CONFIG_OOM_KILLER is not set
+ CONFIG_PCI_NAMES=y
+ CONFIG_HOTPLUG=y
+diff -urPX nopatch linux-2.4.26/arch/ppc64/config.in linux/arch/ppc64/config.in
+--- linux-2.4.26/arch/ppc64/config.in	Fri Feb 20 10:07:25 2004
++++ linux/arch/ppc64/config.in	Sat Apr 17 02:13:55 2004
+@@ -82,6 +82,9 @@
+ fi
+ 
+ bool 'Kernel support for 64 bit ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ 
+ tristate 'Kernel support for 32 bit ELF binaries' CONFIG_BINFMT_ELF32
+ 
+diff -urPX nopatch linux-2.4.26/arch/ppc64/defconfig linux/arch/ppc64/defconfig
+--- linux-2.4.26/arch/ppc64/defconfig	Fri Feb 20 10:07:25 2004
++++ linux/arch/ppc64/defconfig	Sat Apr 17 02:13:55 2004
+@@ -56,6 +56,7 @@
+ # CONFIG_BSD_PROCESS_ACCT is not set
+ CONFIG_KCORE_ELF=y
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ CONFIG_BINFMT_ELF32=y
+ # CONFIG_BINFMT_MISC is not set
+ CONFIG_PCI_NAMES=y
+diff -urPX nopatch linux-2.4.26/arch/s390/config.in linux/arch/s390/config.in
+--- linux-2.4.26/arch/s390/config.in	Fri Nov 28 18:26:19 2003
++++ linux/arch/s390/config.in	Sat Apr 17 02:13:55 2004
+@@ -58,6 +58,9 @@
+ bool 'Sysctl support' CONFIG_SYSCTL
+ define_bool CONFIG_KCORE_ELF y
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ bool 'Show crashed user process info' CONFIG_PROCESS_DEBUG
+ bool 'Pseudo page fault support' CONFIG_PFAULT
+diff -urPX nopatch linux-2.4.26/arch/s390/defconfig linux/arch/s390/defconfig
+--- linux-2.4.26/arch/s390/defconfig	Fri Feb 20 10:07:26 2004
++++ linux/arch/s390/defconfig	Sat Apr 17 02:13:55 2004
+@@ -46,6 +46,7 @@
+ CONFIG_SYSCTL=y
+ CONFIG_KCORE_ELF=y
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ # CONFIG_BINFMT_MISC is not set
+ # CONFIG_PROCESS_DEBUG is not set
+ CONFIG_PFAULT=y
+diff -urPX nopatch linux-2.4.26/arch/s390x/config.in linux/arch/s390x/config.in
+--- linux-2.4.26/arch/s390x/config.in	Fri Nov 28 18:26:19 2003
++++ linux/arch/s390x/config.in	Sat Apr 17 02:13:55 2004
+@@ -61,6 +61,9 @@
+ bool 'Sysctl support' CONFIG_SYSCTL
+ define_bool CONFIG_KCORE_ELF y
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ bool 'Show crashed user process info' CONFIG_PROCESS_DEBUG
+ bool 'Pseudo page fault support' CONFIG_PFAULT
+diff -urPX nopatch linux-2.4.26/arch/s390x/defconfig linux/arch/s390x/defconfig
+--- linux-2.4.26/arch/s390x/defconfig	Fri Feb 20 10:07:26 2004
++++ linux/arch/s390x/defconfig	Sat Apr 17 02:13:55 2004
+@@ -47,6 +47,7 @@
+ CONFIG_SYSCTL=y
+ CONFIG_KCORE_ELF=y
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ # CONFIG_BINFMT_MISC is not set
+ # CONFIG_PROCESS_DEBUG is not set
+ CONFIG_PFAULT=y
+diff -urPX nopatch linux-2.4.26/arch/sh/config.in linux/arch/sh/config.in
+--- linux-2.4.26/arch/sh/config.in	Fri Feb 20 10:07:26 2004
++++ linux/arch/sh/config.in	Sat Apr 17 02:13:55 2004
+@@ -283,6 +283,9 @@
+ 	 A.OUT		CONFIG_KCORE_AOUT" ELF
+ fi
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ 
+ bool 'Select task to kill on out of memory condition' CONFIG_OOM_KILLER
+diff -urPX nopatch linux-2.4.26/arch/sh/defconfig linux/arch/sh/defconfig
+--- linux-2.4.26/arch/sh/defconfig	Fri Feb 20 10:07:26 2004
++++ linux/arch/sh/defconfig	Sat Apr 17 02:13:55 2004
+@@ -48,6 +48,7 @@
+ CONFIG_KCORE_ELF=y
+ # CONFIG_KCORE_AOUT is not set
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ # CONFIG_BINFMT_MISC is not set
+ 
+ #
+diff -urPX nopatch linux-2.4.26/arch/sparc/config.in linux/arch/sparc/config.in
+--- linux-2.4.26/arch/sparc/config.in	Fri Feb 20 10:07:26 2004
++++ linux/arch/sparc/config.in	Sat Apr 17 02:13:55 2004
+@@ -74,6 +74,9 @@
+ fi
+ tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ bool 'SunOS binary emulation' CONFIG_SUNOS_EMUL
+ bool 'Select task to kill on out of memory condition' CONFIG_OOM_KILLER
+diff -urPX nopatch linux-2.4.26/arch/sparc/defconfig linux/arch/sparc/defconfig
+--- linux-2.4.26/arch/sparc/defconfig	Sat Apr 17 02:10:25 2004
++++ linux/arch/sparc/defconfig	Sat Apr 17 02:13:55 2004
+@@ -49,9 +49,10 @@
+ # CONFIG_BSD_PROCESS_ACCT is not set
+ CONFIG_SYSCTL=y
+ CONFIG_KCORE_ELF=y
+-CONFIG_BINFMT_AOUT=y
++# CONFIG_BINFMT_AOUT is not set
+ CONFIG_BINFMT_ELF=y
+-CONFIG_BINFMT_MISC=m
++# CONFIG_BINFMT_ELF_AOUT is not set
++# CONFIG_BINFMT_MISC is not set
+ CONFIG_SUNOS_EMUL=y
+ # CONFIG_OOM_KILLER is not set
+ 
+diff -urPX nopatch linux-2.4.26/arch/sparc64/config.in linux/arch/sparc64/config.in
+--- linux-2.4.26/arch/sparc64/config.in	Fri Feb 20 10:07:26 2004
++++ linux/arch/sparc64/config.in	Sat Apr 17 02:13:55 2004
+@@ -77,6 +77,9 @@
+    bool '  Kernel support for 32-bit (ie. SunOS) a.out binaries' CONFIG_BINFMT_AOUT32
+ fi
+ bool 'Kernel support for 64-bit ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ bool 'SunOS binary emulation' CONFIG_SUNOS_EMUL
+ if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
+diff -urPX nopatch linux-2.4.26/arch/sparc64/defconfig linux/arch/sparc64/defconfig
+--- linux-2.4.26/arch/sparc64/defconfig	Sat Apr 17 02:10:26 2004
++++ linux/arch/sparc64/defconfig	Sat Apr 17 02:13:55 2004
+@@ -56,7 +56,8 @@
+ CONFIG_BINFMT_ELF32=y
+ # CONFIG_BINFMT_AOUT32 is not set
+ CONFIG_BINFMT_ELF=y
+-CONFIG_BINFMT_MISC=m
++# CONFIG_BINFMT_ELF_AOUT is not set
++# CONFIG_BINFMT_MISC is not set
+ # CONFIG_SUNOS_EMUL is not set
+ CONFIG_SOLARIS_EMUL=m
+ # CONFIG_OOM_KILLER is not set
+diff -urPX nopatch linux-2.4.26/arch/x86_64/config.in linux/arch/x86_64/config.in
+--- linux-2.4.26/arch/x86_64/config.in	Sat Apr 17 02:10:26 2004
++++ linux/arch/x86_64/config.in	Sat Apr 17 02:13:55 2004
+@@ -118,6 +118,9 @@
+ fi
+ #tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT
+ bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
++if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
++   bool '  ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
++fi
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+ 
+ bool 'Power Management support' CONFIG_PM
+diff -urPX nopatch linux-2.4.26/arch/x86_64/defconfig linux/arch/x86_64/defconfig
+--- linux-2.4.26/arch/x86_64/defconfig	Sat Apr 17 02:10:26 2004
++++ linux/arch/x86_64/defconfig	Sat Apr 17 02:13:55 2004
+@@ -67,6 +67,7 @@
+ CONFIG_SYSCTL=y
+ CONFIG_KCORE_ELF=y
+ CONFIG_BINFMT_ELF=y
++# CONFIG_BINFMT_ELF_AOUT is not set
+ # CONFIG_BINFMT_MISC is not set
+ CONFIG_PM=y
+ CONFIG_IA32_EMULATION=y
+diff -urPX nopatch linux-2.4.26/fs/binfmt_elf.c linux/fs/binfmt_elf.c
+--- linux-2.4.26/fs/binfmt_elf.c	Sat Apr 17 02:10:31 2004
++++ linux/fs/binfmt_elf.c	Sat Apr 17 02:13:55 2004
+@@ -9,6 +9,7 @@
+  * Copyright 1993, 1994: Eric Youngdale (ericy@cais.com).
+  */
+ 
++#include <linux/config.h>
+ #include <linux/module.h>
+ 
+ #include <linux/fs.h>
+@@ -43,7 +44,9 @@
+ #include <linux/elf.h>
+ 
+ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs);
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ static int load_elf_library(struct file*);
++#endif
+ static unsigned long elf_map (struct file *, unsigned long, struct elf_phdr *, int, int);
+ extern int dump_fpu (struct pt_regs *, elf_fpregset_t *);
+ extern void dump_thread(struct pt_regs *, struct user *);
+@@ -73,8 +76,14 @@
+ #define ELF_PAGEOFFSET(_v) ((_v) & (ELF_MIN_ALIGN-1))
+ #define ELF_PAGEALIGN(_v) (((_v) + ELF_MIN_ALIGN - 1) & ~(ELF_MIN_ALIGN - 1))
+ 
+-static struct linux_binfmt elf_format = {
+-	NULL, THIS_MODULE, load_elf_binary, load_elf_library, elf_core_dump, ELF_EXEC_PAGESIZE
++static struct linux_binfmt elf_format = {
++	NULL, THIS_MODULE, load_elf_binary,
++#ifdef CONFIG_BINFMT_ELF_AOUT
++	load_elf_library,
++#else
++	NULL,
++#endif
++	elf_core_dump, ELF_EXEC_PAGESIZE
+ };
+ 
+ #define BAD_ADDR(x)	((unsigned long)(x) > TASK_SIZE)
+@@ -369,6 +378,7 @@
+ 	return error;
+ }
+ 
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ static unsigned long load_aout_interp(struct exec * interp_ex,
+ 			     struct file * interpreter)
+ {
+@@ -413,6 +423,7 @@
+ out:
+ 	return elf_entry;
+ }
++#endif
+ 
+ /*
+  * These are the functions used to load ELF style executables and shared
+@@ -420,7 +431,9 @@
+  */
+ 
+ #define INTERPRETER_NONE 0
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ #define INTERPRETER_AOUT 1
++#endif
+ #define INTERPRETER_ELF 2
+ 
+ 
+@@ -444,7 +457,9 @@
+ 	struct elfhdr elf_ex;
+ 	struct elfhdr interp_elf_ex;
+   	struct exec interp_ex;
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ 	char passed_fileno[6];
++#endif
+ 	struct files_struct *files;
+ 	
+ 	/* Get the exec-header */
+@@ -556,6 +571,7 @@
+ 
+ 	/* Some simple consistency checks for the interpreter */
+ 	if (elf_interpreter) {
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ 		interpreter_type = INTERPRETER_ELF | INTERPRETER_AOUT;
+ 
+ 		/* Now figure out which format our binary is */
+@@ -563,6 +579,9 @@
+ 		    (N_MAGIC(interp_ex) != ZMAGIC) &&
+ 		    (N_MAGIC(interp_ex) != QMAGIC))
+ 			interpreter_type = INTERPRETER_ELF;
++#else
++		interpreter_type = INTERPRETER_ELF;
++#endif
+ 
+ 		if (memcmp(interp_elf_ex.e_ident, ELFMAG, SELFMAG) != 0)
+ 			interpreter_type &= ~INTERPRETER_ELF;
+@@ -571,6 +590,7 @@
+ 		if (!interpreter_type)
+ 			goto out_free_dentry;
+ 
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ 		/* Make sure only one type was selected */
+ 		if ((interpreter_type & INTERPRETER_ELF) &&
+ 		     interpreter_type != INTERPRETER_ELF) {
+@@ -578,6 +598,7 @@
+ 			// printk(KERN_WARNING "ELF: Ambiguous type, using ELF\n");
+ 			interpreter_type = INTERPRETER_ELF;
+ 		}
++#endif
+ 		/* Verify the interpreter has a valid arch */
+ 		if ((interpreter_type == INTERPRETER_ELF) &&
+ 		    !elf_check_arch(&interp_elf_ex))
+@@ -590,6 +611,7 @@
+ 	/* OK, we are done with that, now set up the arg stuff,
+ 	   and then start this sucker up */
+ 
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ 	if (!bprm->sh_bang) {
+ 		char * passed_p;
+ 
+@@ -605,6 +627,7 @@
+ 		  }
+ 		}
+ 	}
++#endif
+ 
+ 	/* Flush all traces of the currently running executable */
+ 	retval = flush_old_exec(bprm);
+@@ -721,10 +744,12 @@
+ 	end_data += load_bias;
+ 
+ 	if (elf_interpreter) {
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ 		if (interpreter_type == INTERPRETER_AOUT)
+ 			elf_entry = load_aout_interp(&interp_ex,
+ 						     interpreter);
+ 		else
++#endif
+ 			elf_entry = load_elf_interp(&interp_elf_ex,
+ 						    interpreter,
+ 						    &interp_load_addr);
+@@ -743,7 +768,9 @@
+ 
+ 	kfree(elf_phdata);
+ 
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ 	if (interpreter_type != INTERPRETER_AOUT)
++#endif
+ 		sys_close(elf_exec_fileno);
+ 
+ 	set_binfmt(&elf_format);
+@@ -757,10 +784,14 @@
+ 			&elf_ex,
+ 			load_addr, load_bias,
+ 			interp_load_addr,
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ 			(interpreter_type == INTERPRETER_AOUT ? 0 : 1));
+ 	/* N.B. passed_fileno might not be initialized? */
+ 	if (interpreter_type == INTERPRETER_AOUT)
+ 		current->mm->arg_start += strlen(passed_fileno) + 1;
++#else
++			1);
++#endif
+ 	current->mm->start_brk = current->mm->brk = elf_brk;
+ 	current->mm->end_code = end_code;
+ 	current->mm->start_code = start_code;
+@@ -838,9 +869,9 @@
+ 	goto out;
+ }
+ 
++#ifdef CONFIG_BINFMT_ELF_AOUT
+ /* This is really simpleminded and specialized - we are loading an
+    a.out library that is given an ELF header. */
+-
+ static int load_elf_library(struct file *file)
+ {
+ 	struct elf_phdr *elf_phdata;
+@@ -911,6 +942,7 @@
+ out:
+ 	return error;
+ }
++#endif
+ 
+ /*
+  * Note that some platforms still use traditional core dumps and not
+diff -urPX nopatch linux-2.4.26/fs/exec.c linux/fs/exec.c
+--- linux-2.4.26/fs/exec.c	Fri Feb 20 10:07:36 2004
++++ linux/fs/exec.c	Sat Apr 17 02:13:55 2004
+@@ -109,6 +109,7 @@
+  */
+ asmlinkage long sys_uselib(const char * library)
+ {
++#if defined(CONFIG_BINFMT_AOUT) || defined(CONFIG_BINFMT_ELF_AOUT)
+ 	struct file * file;
+ 	struct nameidata nd;
+ 	int error;
+@@ -155,6 +156,9 @@
+ exit:
+ 	path_release(&nd);
+ 	goto out;
++#else
++	return -ENOSYS;
++#endif
+ }
+ 
+ /*
diff --git a/openwrt/package/linux/linux.config b/openwrt/package/linux/linux.config
index d09d69f6912..abbafc19b76 100644
--- a/openwrt/package/linux/linux.config
+++ b/openwrt/package/linux/linux.config
@@ -164,6 +164,7 @@ CONFIG_KCORE_ELF=y
 # CONFIG_KCORE_AOUT is not set
 # CONFIG_BINFMT_AOUT is not set
 CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
 # CONFIG_MIPS32_COMPAT is not set
 # CONFIG_MIPS32_O32 is not set
 # CONFIG_MIPS32_N32 is not set