add support for metag architecture

11 files changed, 36812 insertions, 4 deletions

diff --git a/target/arch.lst b/target/arch.lst
index e029c4d9e..afa0949f3 100644
--- a/target/arch.lst
+++ b/target/arch.lst
@@ -9,6 +9,7 @@ cris
 h8300
 hppa
 m68k
+metag
 microblaze
 mips
 mips64
diff --git a/target/config/Config.in.cpu b/target/config/Config.in.cpu
index b07ef59b9..5f4833b27 100644
--- a/target/config/Config.in.cpu
+++ b/target/config/Config.in.cpu
@@ -507,6 +507,11 @@ config ADK_CPU_68060
 	select ADK_TARGET_WITH_MMU if !ADK_LINUX_UCLINUX
 	select ADK_TARGET_WITH_NPTL if ADK_TARGET_LIB_GLIBC
 
+config ADK_CPU_METAG
+	bool
+	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_WITH_MMU
+
 config ADK_CPU_MIPS32
 	bool
 	select ADK_TARGET_WITH_NPTL
@@ -891,6 +896,7 @@ config ADK_TARGET_CPU_ARCH
 	default "h8300" if ADK_TARGET_ARCH_H8300
 	default "hppa" if ADK_TARGET_ARCH_HPPA
 	default "m68k" if ADK_TARGET_ARCH_M68K
+	default "metag" if ADK_TARGET_ARCH_METAG
 	default "microblaze" if ADK_TARGET_ARCH_MICROBLAZE && ADK_TARGET_BIG_ENDIAN
 	default "microblazeel" if ADK_TARGET_ARCH_MICROBLAZE && ADK_TARGET_LITTLE_ENDIAN
 	default "mips64" if ADK_TARGET_ARCH_MIPS64 && ADK_TARGET_BIG_ENDIAN
diff --git a/target/config/Config.in.gcc.choice b/target/config/Config.in.gcc.choice
index 2b00c8540..f7ec23d53 100644
--- a/target/config/Config.in.gcc.choice
+++ b/target/config/Config.in.gcc.choice
@@ -7,12 +7,14 @@ default ADK_TOOLCHAIN_GCC_4_7_4 if ADK_TARGET_ARCH_C6X
 default ADK_TOOLCHAIN_GCC_4_5_4 if ADK_TARGET_ARCH_BFIN
 default ADK_TOOLCHAIN_GCC_4_8_0_ARC if ADK_TARGET_ARCH_ARC
 default ADK_TOOLCHAIN_GCC_4_4_7 if ADK_TARGET_ARCH_AVR32
+default ADK_TOOLCHAIN_GCC_4_2_4 if ADK_TARGET_ARCH_METAG
 default ADK_TOOLCHAIN_GCC_4_9_3
 
 config ADK_TOOLCHAIN_GCC_GIT
 	bool "git"
 	depends on !ADK_TARGET_ARCH_ARC
 	depends on !ADK_TARGET_ARCH_AVR32
+	depends on !ADK_TARGET_ARCH_METAG
 	select ADK_DISABLE_HONOUR_CFLAGS
 
 config ADK_TOOLCHAIN_GCC_5_1_0
@@ -22,6 +24,7 @@ config ADK_TOOLCHAIN_GCC_5_1_0
 	depends on !ADK_TARGET_ARCH_AVR32
 	depends on !ADK_TARGET_ARCH_C6X
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_ARCH_METAG
 
 config ADK_TOOLCHAIN_GCC_4_9_3
 	bool "4.9.3"
@@ -30,6 +33,7 @@ config ADK_TOOLCHAIN_GCC_4_9_3
 	depends on !ADK_TARGET_ARCH_AVR32
 	depends on !ADK_TARGET_ARCH_C6X
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_ARCH_METAG
 
 config ADK_TOOLCHAIN_GCC_4_8_5
 	bool "4.8.5"
@@ -41,6 +45,7 @@ config ADK_TOOLCHAIN_GCC_4_8_5
 	depends on !ADK_TARGET_ARCH_TILE
 	depends on !ADK_TARGET_ARCH_C6X
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_ARCH_METAG
 
 config ADK_TOOLCHAIN_GCC_4_8_3_ARC
 	bool "4.8.3-arc"
@@ -59,4 +64,8 @@ config ADK_TOOLCHAIN_GCC_4_4_7
 	bool "4.4.7"
 	depends on ADK_TARGET_ARCH_AVR32
 
+config ADK_TOOLCHAIN_GCC_4_2_4
+	bool "4.2.4"
+	depends on ADK_TARGET_ARCH_METAG
+
 endchoice
diff --git a/target/metag/Makefile b/target/metag/Makefile
new file mode 100644
index 000000000..ebc17340e
--- /dev/null
+++ b/target/metag/Makefile
@@ -0,0 +1,9 @@
+# This file is part of the OpenADK project. OpenADK is copyrighted
+# material, please see the LICENCE file in the top-level directory.
+
+include $(ADK_TOPDIR)/rules.mk
+include $(ADK_TOPDIR)/mk/kernel.mk
+include $(ADK_TOPDIR)/mk/modules.mk
+include $(ADK_TOPDIR)/mk/kernel-build.mk
+include $(ADK_TOPDIR)/mk/image.mk
+
diff --git a/target/metag/systems/toolchain-metag b/target/metag/systems/toolchain-metag
new file mode 100644
index 000000000..3e7e4d338
--- /dev/null
+++ b/target/metag/systems/toolchain-metag
@@ -0,0 +1,8 @@
+config ADK_TARGET_SYSTEM_TOOLCHAIN_METAG
+	bool "Toolchain only"
+	select ADK_CPU_METAG
+	select ADK_TARGET_TOOLCHAIN
+	select ADK_TARGET_PACKAGE_TXZ
+	help
+	  METAG toolchain.
+
diff --git a/target/metag/uclibc-ng.config b/target/metag/uclibc-ng.config
new file mode 100644
index 000000000..671bf929b
--- /dev/null
+++ b/target/metag/uclibc-ng.config
@@ -0,0 +1,244 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# uClibc-ng 1.0.0-git C Library Configuration
+#
+# TARGET_alpha is not set
+# TARGET_arc is not set
+# TARGET_arm is not set
+# TARGET_avr32 is not set
+# TARGET_bfin is not set
+# TARGET_c6x is not set
+# TARGET_cris is not set
+# TARGET_frv is not set
+# TARGET_h8300 is not set
+# TARGET_hppa is not set
+# TARGET_i386 is not set
+# TARGET_i960 is not set
+# TARGET_ia64 is not set
+# TARGET_m68k is not set
+TARGET_metag=y
+# TARGET_microblaze is not set
+# TARGET_mips is not set
+# TARGET_nios2 is not set
+# TARGET_powerpc is not set
+# TARGET_sh is not set
+# TARGET_sparc is not set
+# TARGET_v850 is not set
+# TARGET_x86_64 is not set
+# TARGET_xtensa is not set
+
+#
+# Target Architecture Features and Options
+#
+TARGET_ARCH="metag"
+FORCE_OPTIONS_FOR_ARCH=y
+# CONFIG_META_1_2 is not set
+CONFIG_META_2_1=y
+TARGET_SUBARCH=""
+
+#
+# Using ELF file format
+#
+ARCH_LITTLE_ENDIAN=y
+# ARCH_WANTS_BIG_ENDIAN is not set
+# ARCH_WANTS_LITTLE_ENDIAN is not set
+
+#
+# Using Little Endian
+#
+ARCH_HAS_MMU=y
+ARCH_USE_MMU=y
+UCLIBC_HAS_FLOATS=y
+# UCLIBC_HAS_FPU is not set
+UCLIBC_HAS_SOFT_FLOAT=y
+DO_C99_MATH=y
+# DO_XSI_MATH is not set
+# UCLIBC_HAS_FENV is not set
+KERNEL_HEADERS=""
+HAVE_DOT_CONFIG=y
+
+#
+# General Library Settings
+#
+DOPIC=y
+HAVE_SHARED=y
+# FORCE_SHAREABLE_TEXT_SEGMENTS is not set
+LDSO_LDD_SUPPORT=y
+LDSO_CACHE_SUPPORT=y
+# LDSO_PRELOAD_ENV_SUPPORT is not set
+# LDSO_PRELOAD_FILE_SUPPORT is not set
+LDSO_BASE_FILENAME="ld.so"
+# LDSO_STANDALONE_SUPPORT is not set
+# LDSO_PRELINK_SUPPORT is not set
+# UCLIBC_STATIC_LDCONFIG is not set
+LDSO_RUNPATH=y
+LDSO_RUNPATH_OF_EXECUTABLE=y
+LDSO_SAFE_RUNPATH=y
+LDSO_SEARCH_INTERP_PATH=y
+LDSO_LD_LIBRARY_PATH=y
+# LDSO_NO_CLEANUP is not set
+UCLIBC_CTOR_DTOR=y
+# LDSO_GNU_HASH_SUPPORT is not set
+# HAS_NO_THREADS is not set
+# UCLIBC_HAS_LINUXTHREADS is not set
+UCLIBC_HAS_THREADS_NATIVE=y
+UCLIBC_HAS_THREADS=y
+UCLIBC_HAS_TLS=y
+PTHREADS_DEBUG_SUPPORT=y
+UCLIBC_HAS_SYSLOG=y
+UCLIBC_HAS_LFS=y
+UCLIBC_HAS_OBSTACK=y
+UCLIBC_DYNAMIC_ATEXIT=y
+COMPAT_ATEXIT=y
+UCLIBC_HAS_UTMPX=y
+UCLIBC_HAS_UTMP=y
+UCLIBC_SUSV2_LEGACY=y
+UCLIBC_SUSV3_LEGACY=y
+# UCLIBC_SUSV3_LEGACY_MACROS is not set
+UCLIBC_SUSV4_LEGACY=y
+# UCLIBC_STRICT_HEADERS is not set
+# UCLIBC_HAS_STUBS is not set
+UCLIBC_HAS_SHADOW=y
+UCLIBC_HAS_PROGRAM_INVOCATION_NAME=y
+UCLIBC_HAS___PROGNAME=y
+UCLIBC_HAS_PTY=y
+ASSUME_DEVPTS=y
+UNIX98PTY_ONLY=y
+UCLIBC_HAS_GETPT=y
+UCLIBC_HAS_LIBUTIL=y
+UCLIBC_HAS_TM_EXTENSIONS=y
+UCLIBC_HAS_TZ_CACHING=y
+UCLIBC_HAS_TZ_FILE=y
+UCLIBC_HAS_TZ_FILE_READ_MANY=y
+UCLIBC_TZ_FILE_PATH="/etc/TZ"
+UCLIBC_FALLBACK_TO_ETC_LOCALTIME=y
+
+#
+# Advanced Library Settings
+#
+UCLIBC_PWD_BUFFER_SIZE=256
+UCLIBC_GRP_BUFFER_SIZE=256
+
+#
+# Support various families of functions
+#
+UCLIBC_LINUX_MODULE_26=y
+# UCLIBC_LINUX_MODULE_24 is not set
+UCLIBC_LINUX_SPECIFIC=y
+UCLIBC_HAS_GNU_ERROR=y
+UCLIBC_BSD_SPECIFIC=y
+UCLIBC_HAS_BSD_ERR=y
+UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
+# UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL is not set
+# UCLIBC_NTP_LEGACY is not set
+UCLIBC_SV4_DEPRECATED=y
+UCLIBC_HAS_REALTIME=y
+UCLIBC_HAS_ADVANCED_REALTIME=y
+UCLIBC_HAS_EPOLL=y
+UCLIBC_HAS_XATTR=y
+# UCLIBC_HAS_PROFILING is not set
+UCLIBC_HAS_CRYPT_IMPL=y
+# UCLIBC_HAS_SHA256_CRYPT_IMPL is not set
+# UCLIBC_HAS_SHA512_CRYPT_IMPL is not set
+UCLIBC_HAS_CRYPT=y
+UCLIBC_HAS_NETWORK_SUPPORT=y
+UCLIBC_HAS_SOCKET=y
+UCLIBC_HAS_IPV4=y
+UCLIBC_HAS_IPV6=y
+# UCLIBC_HAS_RPC is not set
+UCLIBC_USE_NETLINK=y
+UCLIBC_SUPPORT_AI_ADDRCONFIG=y
+UCLIBC_HAS_BSD_RES_CLOSE=y
+UCLIBC_HAS_COMPAT_RES_STATE=y
+# UCLIBC_HAS_EXTRA_COMPAT_RES_STATE is not set
+UCLIBC_HAS_RESOLVER_SUPPORT=y
+UCLIBC_HAS_LIBRESOLV_STUB=y
+UCLIBC_HAS_LIBNSL_STUB=y
+
+#
+# String and Stdio Support
+#
+UCLIBC_HAS_STRING_GENERIC_OPT=y
+UCLIBC_HAS_STRING_ARCH_OPT=y
+UCLIBC_HAS_STDIO_FUTEXES=y
+UCLIBC_HAS_CTYPE_TABLES=y
+UCLIBC_HAS_CTYPE_SIGNED=y
+# UCLIBC_HAS_CTYPE_UNSAFE is not set
+UCLIBC_HAS_CTYPE_CHECKED=y
+# UCLIBC_HAS_CTYPE_ENFORCED is not set
+UCLIBC_HAS_WCHAR=y
+# UCLIBC_HAS_LOCALE is not set
+UCLIBC_HAS_HEXADECIMAL_FLOATS=y
+UCLIBC_HAS_GLIBC_CUSTOM_PRINTF=y
+UCLIBC_PRINTF_SCANF_POSITIONAL_ARGS=9
+# UCLIBC_HAS_STDIO_BUFSIZ_256 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_512 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_1024 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_2048 is not set
+UCLIBC_HAS_STDIO_BUFSIZ_4096=y
+# UCLIBC_HAS_STDIO_BUFSIZ_8192 is not set
+UCLIBC_HAS_STDIO_BUILTIN_BUFFER_NONE=y
+# UCLIBC_HAS_STDIO_BUILTIN_BUFFER_4 is not set
+# UCLIBC_HAS_STDIO_BUILTIN_BUFFER_8 is not set
+# UCLIBC_HAS_STDIO_SHUTDOWN_ON_ABORT is not set
+UCLIBC_HAS_STDIO_GETC_MACRO=y
+UCLIBC_HAS_STDIO_PUTC_MACRO=y
+UCLIBC_HAS_STDIO_AUTO_RW_TRANSITION=y
+# UCLIBC_HAS_FOPEN_LARGEFILE_MODE is not set
+UCLIBC_HAS_FOPEN_EXCLUSIVE_MODE=y
+# UCLIBC_HAS_FOPEN_CLOSEEXEC_MODE is not set
+UCLIBC_HAS_GLIBC_CUSTOM_STREAMS=y
+UCLIBC_HAS_PRINTF_M_SPEC=y
+UCLIBC_HAS_ERRNO_MESSAGES=y
+# UCLIBC_HAS_SYS_ERRLIST is not set
+UCLIBC_HAS_SIGNUM_MESSAGES=y
+# UCLIBC_HAS_SYS_SIGLIST is not set
+UCLIBC_HAS_GNU_GETOPT=y
+UCLIBC_HAS_GETOPT_LONG=y
+UCLIBC_HAS_GNU_GETSUBOPT=y
+
+#
+# Big and Tall
+#
+UCLIBC_HAS_REGEX=y
+UCLIBC_HAS_FNMATCH=y
+UCLIBC_HAS_WORDEXP=y
+UCLIBC_HAS_NFTW=y
+UCLIBC_HAS_FTW=y
+UCLIBC_HAS_FTS=y
+UCLIBC_HAS_GLOB=y
+UCLIBC_HAS_GNU_GLOB=y
+
+#
+# Library Installation Options
+#
+RUNTIME_PREFIX="/"
+DEVEL_PREFIX="/usr/"
+MULTILIB_DIR="lib"
+HARDWIRED_ABSPATH=y
+
+#
+# Security options
+#
+UCLIBC_HAS_ARC4RANDOM=y
+# ARC4RANDOM_USES_NODEV is not set
+# UCLIBC_HAS_SSP is not set
+UCLIBC_BUILD_RELRO=y
+UCLIBC_BUILD_NOW=y
+UCLIBC_BUILD_NOEXECSTACK=y
+
+#
+# Development/debugging options
+#
+CROSS_COMPILER_PREFIX=""
+UCLIBC_EXTRA_CFLAGS=""
+# DODEBUG is not set
+# DOSTRIP is not set
+# DOASSERTS is not set
+# SUPPORT_LD_DEBUG is not set
+# SUPPORT_LD_DEBUG_EARLY is not set
+# UCLIBC_MALLOC_DEBUGGING is not set
+# UCLIBC_HAS_BACKTRACE is not set
+WARNINGS="-Wall"
+# EXTRA_WARNINGS is not set
+# DOMULTI is not set
diff --git a/target/metag/uclibc.config b/target/metag/uclibc.config
new file mode 100644
index 000000000..1a0aef14f
--- /dev/null
+++ b/target/metag/uclibc.config
@@ -0,0 +1,221 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# uClibc 1.0.0-git C Library Configuration
+#
+# TARGET_arc is not set
+# TARGET_arm is not set
+# TARGET_avr32 is not set
+# TARGET_bfin is not set
+# TARGET_c6x is not set
+# TARGET_cris is not set
+# TARGET_i386 is not set
+# TARGET_m68k is not set
+# TARGET_microblaze is not set
+# TARGET_mips is not set
+TARGET_nios2=y
+# TARGET_powerpc is not set
+# TARGET_sh is not set
+# TARGET_sparc is not set
+# TARGET_x86_64 is not set
+# TARGET_xtensa is not set
+
+#
+# Target Architecture Features and Options
+#
+TARGET_ARCH="nios2"
+FORCE_OPTIONS_FOR_ARCH=y
+TARGET_SUBARCH=""
+UCLIBC_FORMAT_FLAT=y
+# UCLIBC_FORMAT_FLAT_SEP_DATA is not set
+# UCLIBC_FORMAT_SHARED_FLAT is not set
+ARCH_HAS_DEPRECATED_SYSCALLS=y
+ARCH_LITTLE_ENDIAN=y
+# ARCH_WANTS_BIG_ENDIAN is not set
+# ARCH_WANTS_LITTLE_ENDIAN is not set
+
+#
+# Using Little Endian
+#
+ARCH_HAS_NO_MMU=y
+
+#
+# Target CPU lacks a memory management unit (MMU)
+#
+UCLIBC_HAS_FLOATS=y
+# UCLIBC_HAS_FPU is not set
+UCLIBC_HAS_SOFT_FLOAT=y
+DO_C99_MATH=y
+# DO_XSI_MATH is not set
+UCLIBC_HAS_FENV=y
+KERNEL_HEADERS=""
+UCLIBC_UCLINUX_BROKEN_MUNMAP=y
+HAVE_DOT_CONFIG=y
+
+#
+# General Library Settings
+#
+HAVE_NO_PIC=y
+ARCH_HAS_NO_SHARED=y
+ARCH_HAS_NO_LDSO=y
+UCLIBC_CTOR_DTOR=y
+HAS_NO_THREADS=y
+# LINUXTHREADS_OLD is not set
+# LINUXTHREADS_NEW is not set
+# UCLIBC_HAS_THREADS_NATIVE is not set
+UCLIBC_HAS_SYSLOG=y
+UCLIBC_HAS_LFS=y
+MALLOC=y
+# MALLOC_SIMPLE is not set
+# MALLOC_STANDARD is not set
+MALLOC_GLIBC_COMPAT=y
+UCLIBC_HAS_OBSTACK=y
+UCLIBC_DYNAMIC_ATEXIT=y
+COMPAT_ATEXIT=y
+UCLIBC_SUSV2_LEGACY=y
+UCLIBC_SUSV3_LEGACY=y
+# UCLIBC_SUSV3_LEGACY_MACROS is not set
+UCLIBC_SUSV4_LEGACY=y
+# UCLIBC_STRICT_HEADERS is not set
+# UCLIBC_HAS_STUBS is not set
+UCLIBC_HAS_SHADOW=y
+UCLIBC_HAS_PROGRAM_INVOCATION_NAME=y
+UCLIBC_HAS___PROGNAME=y
+UCLIBC_HAS_PTY=y
+ASSUME_DEVPTS=y
+UNIX98PTY_ONLY=y
+UCLIBC_HAS_GETPT=y
+UCLIBC_HAS_LIBUTIL=y
+UCLIBC_HAS_TM_EXTENSIONS=y
+UCLIBC_HAS_TZ_CACHING=y
+UCLIBC_HAS_TZ_FILE=y
+UCLIBC_HAS_TZ_FILE_READ_MANY=y
+UCLIBC_TZ_FILE_PATH="/etc/TZ"
+UCLIBC_FALLBACK_TO_ETC_LOCALTIME=y
+
+#
+# Advanced Library Settings
+#
+UCLIBC_PWD_BUFFER_SIZE=256
+UCLIBC_GRP_BUFFER_SIZE=256
+
+#
+# Support various families of functions
+#
+UCLIBC_LINUX_MODULE_26=y
+# UCLIBC_LINUX_MODULE_24 is not set
+UCLIBC_LINUX_SPECIFIC=y
+UCLIBC_HAS_GNU_ERROR=y
+UCLIBC_BSD_SPECIFIC=y
+UCLIBC_HAS_BSD_ERR=y
+UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
+# UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL is not set
+# UCLIBC_NTP_LEGACY is not set
+UCLIBC_SV4_DEPRECATED=y
+UCLIBC_HAS_REALTIME=y
+UCLIBC_HAS_ADVANCED_REALTIME=y
+UCLIBC_HAS_EPOLL=y
+UCLIBC_HAS_XATTR=y
+# UCLIBC_HAS_PROFILING is not set
+UCLIBC_HAS_CRYPT_IMPL=y
+# UCLIBC_HAS_SHA256_CRYPT_IMPL is not set
+# UCLIBC_HAS_SHA512_CRYPT_IMPL is not set
+UCLIBC_HAS_CRYPT=y
+UCLIBC_HAS_NETWORK_SUPPORT=y
+UCLIBC_HAS_SOCKET=y
+UCLIBC_HAS_IPV4=y
+UCLIBC_HAS_IPV6=y
+# UCLIBC_HAS_RPC is not set
+UCLIBC_USE_NETLINK=y
+UCLIBC_SUPPORT_AI_ADDRCONFIG=y
+UCLIBC_HAS_BSD_RES_CLOSE=y
+UCLIBC_HAS_COMPAT_RES_STATE=y
+# UCLIBC_HAS_EXTRA_COMPAT_RES_STATE is not set
+UCLIBC_HAS_RESOLVER_SUPPORT=y
+UCLIBC_HAS_LIBRESOLV_STUB=y
+UCLIBC_HAS_LIBNSL_STUB=y
+
+#
+# String and Stdio Support
+#
+UCLIBC_HAS_STRING_GENERIC_OPT=y
+UCLIBC_HAS_STRING_ARCH_OPT=y
+UCLIBC_HAS_CTYPE_TABLES=y
+UCLIBC_HAS_CTYPE_SIGNED=y
+# UCLIBC_HAS_CTYPE_UNSAFE is not set
+UCLIBC_HAS_CTYPE_CHECKED=y
+# UCLIBC_HAS_CTYPE_ENFORCED is not set
+UCLIBC_HAS_WCHAR=y
+# UCLIBC_HAS_LOCALE is not set
+UCLIBC_HAS_HEXADECIMAL_FLOATS=y
+UCLIBC_HAS_GLIBC_CUSTOM_PRINTF=y
+UCLIBC_PRINTF_SCANF_POSITIONAL_ARGS=9
+# UCLIBC_HAS_STDIO_BUFSIZ_256 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_512 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_1024 is not set
+# UCLIBC_HAS_STDIO_BUFSIZ_2048 is not set
+UCLIBC_HAS_STDIO_BUFSIZ_4096=y
+# UCLIBC_HAS_STDIO_BUFSIZ_8192 is not set
+UCLIBC_HAS_STDIO_BUILTIN_BUFFER_NONE=y
+# UCLIBC_HAS_STDIO_BUILTIN_BUFFER_4 is not set
+# UCLIBC_HAS_STDIO_BUILTIN_BUFFER_8 is not set
+# UCLIBC_HAS_STDIO_SHUTDOWN_ON_ABORT is not set
+UCLIBC_HAS_STDIO_GETC_MACRO=y
+UCLIBC_HAS_STDIO_PUTC_MACRO=y
+UCLIBC_HAS_STDIO_AUTO_RW_TRANSITION=y
+# UCLIBC_HAS_FOPEN_LARGEFILE_MODE is not set
+UCLIBC_HAS_FOPEN_EXCLUSIVE_MODE=y
+# UCLIBC_HAS_FOPEN_CLOSEEXEC_MODE is not set
+UCLIBC_HAS_GLIBC_CUSTOM_STREAMS=y
+UCLIBC_HAS_PRINTF_M_SPEC=y
+UCLIBC_HAS_ERRNO_MESSAGES=y
+# UCLIBC_HAS_SYS_ERRLIST is not set
+UCLIBC_HAS_SIGNUM_MESSAGES=y
+# UCLIBC_HAS_SYS_SIGLIST is not set
+UCLIBC_HAS_GNU_GETOPT=y
+UCLIBC_HAS_GETOPT_LONG=y
+UCLIBC_HAS_GNU_GETSUBOPT=y
+
+#
+# Big and Tall
+#
+UCLIBC_HAS_REGEX=y
+# UCLIBC_HAS_REGEX_OLD is not set
+UCLIBC_HAS_FNMATCH=y
+# UCLIBC_HAS_FNMATCH_OLD is not set
+UCLIBC_HAS_WORDEXP=y
+UCLIBC_HAS_NFTW=y
+UCLIBC_HAS_FTW=y
+UCLIBC_HAS_FTS=y
+UCLIBC_HAS_GLOB=y
+UCLIBC_HAS_GNU_GLOB=y
+UCLIBC_HAS_UTMP=y
+UCLIBC_HAS_UTMPX=y
+
+#
+# Library Installation Options
+#
+RUNTIME_PREFIX="/"
+DEVEL_PREFIX="/usr/"
+MULTILIB_DIR="lib"
+HARDWIRED_ABSPATH=y
+
+#
+# Security options
+#
+UCLIBC_HAS_ARC4RANDOM=y
+# ARC4RANDOM_USES_NODEV is not set
+# UCLIBC_HAS_SSP is not set
+UCLIBC_BUILD_NOEXECSTACK=y
+
+#
+# Development/debugging options
+#
+CROSS_COMPILER_PREFIX=""
+UCLIBC_EXTRA_CFLAGS=""
+# DODEBUG is not set
+# DOSTRIP is not set
+# DOASSERTS is not set
+# UCLIBC_MALLOC_DEBUGGING is not set
+WARNINGS="-Wall"
+# EXTRA_WARNINGS is not set
+# DOMULTI is not set
diff --git a/toolchain/Makefile b/toolchain/Makefile
index 0f17d1051..cee9bab27 100644
--- a/toolchain/Makefile
+++ b/toolchain/Makefile
@@ -40,7 +40,7 @@ ELF2FLT:=elf2flt-install
 endif
 
 # disable gdb for arc
-ifeq ($(ADK_TARGET_ARCH_ARC),)
+ifeq ($(ADK_TARGET_ARCH_ARC)$(ADK_TARGET_ARCH_METAG),)
 TARGETS+=gdb
 GDB:=gdb-install
 endif
diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile
index 93ef6fcf4..24b871025 100644
--- a/toolchain/gcc/Makefile
+++ b/toolchain/gcc/Makefile
@@ -60,12 +60,12 @@ GCC_FINAL_CONFOPTS:=
 
 ifeq ($(ADK_TARGET_WITH_NPTL),y)
 ifeq ($(ADK_TARGET_LIB_WITHOUT_THREADS),)
-GCC_CONFOPTS+=         --enable-tls --enable-threads --enable-libatomic
+GCC_FINAL_CONFOPTS+=	--enable-tls --enable-threads --enable-libatomic
 else
-GCC_CONFOPTS+=         --disable-tls --disable-threads --disable-libatomic
+GCC_FINAL_CONFOPTS+=	--disable-tls --disable-threads --disable-libatomic
 endif
 else
-GCC_CONFOPTS+=         --disable-tls --disable-threads --disable-libatomic
+GCC_FINAL_CONFOPTS+=	--disable-tls --disable-threads --disable-libatomic
 endif
 
 ifeq ($(ADK_TARGET_BINFMT_FLAT)$(ADK_TARGET_USE_STATIC_LIBS),y)
@@ -114,6 +114,10 @@ ifeq ($(ADK_TARGET_ARCH_ARM_WITH_THUMB),y)
 GCC_CONFOPTS+=		--with-mode=thumb
 endif
 
+ifeq ($(ADK_TARGET_ARCH_METAG),y)
+GCC_CONFOPTS+=		--enable-meta-default
+endif
+
 ifeq ($(ADK_CPU_CF),y)
 GCC_CONFOPTS+=		--enable-multilib --with-arch=cf
 endif
@@ -214,6 +218,8 @@ endif
 			--enable-languages=c \
 			--disable-libssp \
 			--disable-shared \
+			--disable-threads \
+			--disable-multilib \
 			--without-headers
 	touch $@
 
@@ -242,6 +248,15 @@ $(GCC_BUILD_DIR_INITIAL)/.configured:
 			--with-sysroot=$(STAGING_TARGET_DIR)
 	touch $@
 
+ifeq ($(ADK_TOOLCHAIN_GCC_4_2_4),y)
+$(GCC_BUILD_DIR_INITIAL)/.compiled: $(GCC_BUILD_DIR_INITIAL)/.configured
+	PATH='$(TARGET_PATH)' $(MAKE) ${GCC_MAKEOPTS} -C $(GCC_BUILD_DIR_INITIAL) all-gcc
+	touch $@
+
+$(WRKBUILD)/.configured: $(GCC_BUILD_DIR_INITIAL)/.compiled
+	PATH='$(TARGET_PATH)' $(MAKE) -C $(GCC_BUILD_DIR_INITIAL) install-gcc
+	touch $@
+else
 $(GCC_BUILD_DIR_INITIAL)/.compiled: $(GCC_BUILD_DIR_INITIAL)/.configured
 	PATH='$(TARGET_PATH)' $(MAKE) ${GCC_MAKEOPTS} -C $(GCC_BUILD_DIR_INITIAL) all-gcc all-target-libgcc
 	touch $@
@@ -249,6 +264,7 @@ $(GCC_BUILD_DIR_INITIAL)/.compiled: $(GCC_BUILD_DIR_INITIAL)/.configured
 $(WRKBUILD)/.configured: $(GCC_BUILD_DIR_INITIAL)/.compiled
 	PATH='$(TARGET_PATH)' $(MAKE) -C $(GCC_BUILD_DIR_INITIAL) install-gcc install-target-libgcc
 	touch $@
+endif
 
 $(GCC_BUILD_DIR_FINAL)/.configured:
 	mkdir -p $(GCC_BUILD_DIR_FINAL)
diff --git a/toolchain/gcc/Makefile.inc b/toolchain/gcc/Makefile.inc
index 17df0c38b..2c5d22ac7 100644
--- a/toolchain/gcc/Makefile.inc
+++ b/toolchain/gcc/Makefile.inc
@@ -67,6 +67,14 @@ PKG_RELEASE:=		1
 DISTFILES:=		${PKG_NAME}-${PKG_VERSION}.tar.gz
 LIBSTDCXXVER:=		19
 endif
+ifeq ($(ADK_TOOLCHAIN_GCC_4_2_4),y)
+PKG_VERSION:=		4.2.4
+PKG_HASH:=		7cb75c5183bd18f415860084440377016dc78feeee2852227b831f2e4fcaa5d6
+PKG_SITES:=		http://gcc.cybermirror.org/releases/gcc-${PKG_VERSION}/
+PKG_RELEASE:=		1
+DISTFILES:=		${PKG_NAME}-${PKG_VERSION}.tar.gz
+LIBSTDCXXVER:=		19
+endif
 ifeq ($(ADK_TOOLCHAIN_GCC_GIT),y)
 PKG_VERSION:=		git
 PKG_SITES:=		git://gcc.gnu.org/git/gcc.git
diff --git a/toolchain/gcc/patches/4.2.4/metag-gcc.patch b/toolchain/gcc/patches/4.2.4/metag-gcc.patch
new file mode 100644
index 000000000..8b351a1f6
--- /dev/null
+++ b/toolchain/gcc/patches/4.2.4/metag-gcc.patch
@@ -0,0 +1,36286 @@
+diff -Nur gcc-4.2.4.orig/ccs_version.h gcc-4.2.4/ccs_version.h
+--- gcc-4.2.4.orig/ccs_version.h	1969-12-31 18:00:00.000000000 -0600
++++ gcc-4.2.4/ccs_version.h	2015-07-03 18:46:05.717283542 -0500
+@@ -0,0 +1,8 @@
++/* This file has been generated by CCS - do not edit. */
++
++#define CCS_FULL_VSTR "1.4.0.3"
++
++#define CCS_MAJOR_VN   1
++#define CCS_MINOR_VN   4
++#define CCS_RELEASE_VN 0
++#define CCS_BUILD_VN   3
+diff -Nur gcc-4.2.4.orig/config.guess gcc-4.2.4/config.guess
+--- gcc-4.2.4.orig/config.guess	2006-10-15 22:27:17.000000000 -0500
++++ gcc-4.2.4/config.guess	2015-07-03 19:15:14.097267674 -0500
+@@ -1,14 +1,12 @@
+ #! /bin/sh
+ # Attempt to guess a canonical system name.
+-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+-#   2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
+-#   Inc.
++#   Copyright 1992-2014 Free Software Foundation, Inc.
+ 
+-timestamp='2006-07-02'
++timestamp='2014-03-23'
+ 
+ # This file is free software; you can redistribute it and/or modify it
+ # under the terms of the GNU General Public License as published by
+-# the Free Software Foundation; either version 2 of the License, or
++# the Free Software Foundation; either version 3 of the License, or
+ # (at your option) any later version.
+ #
+ # This program is distributed in the hope that it will be useful, but
+@@ -17,26 +15,22 @@
+ # General Public License for more details.
+ #
+ # You should have received a copy of the GNU General Public License
+-# along with this program; if not, write to the Free Software
+-# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+-# 02110-1301, USA.
++# along with this program; if not, see <http://www.gnu.org/licenses/>.
+ #
+ # As a special exception to the GNU General Public License, if you
+ # distribute this file as part of a program that contains a
+ # configuration script generated by Autoconf, you may include it under
+-# the same distribution terms that you use for the rest of that program.
+-
+-
+-# Originally written by Per Bothner <per@bothner.com>.
+-# Please send patches to <config-patches@gnu.org>.  Submit a context
+-# diff and a properly formatted ChangeLog entry.
++# the same distribution terms that you use for the rest of that
++# program.  This Exception is an additional permission under section 7
++# of the GNU General Public License, version 3 ("GPLv3").
+ #
+-# This script attempts to guess a canonical system name similar to
+-# config.sub.  If it succeeds, it prints the system name on stdout, and
+-# exits with 0.  Otherwise, it exits with 1.
++# Originally written by Per Bothner.
+ #
+-# The plan is that this can be called by configure scripts if you
+-# don't specify an explicit build system type.
++# You can get the latest version of this script from:
++# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
++#
++# Please send patches with a ChangeLog entry to config-patches@gnu.org.
++
+ 
+ me=`echo "$0" | sed -e 's,.*/,,'`
+ 
+@@ -56,8 +50,7 @@
+ GNU config.guess ($timestamp)
+ 
+ Originally written by Per Bothner.
+-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+-Free Software Foundation, Inc.
++Copyright 1992-2014 Free Software Foundation, Inc.
+ 
+ This is free software; see the source for copying conditions.  There is NO
+ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+@@ -139,12 +132,33 @@
+ UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
+ UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+ 
++case "${UNAME_SYSTEM}" in
++Linux|GNU|GNU/*)
++	# If the system lacks a compiler, then just pick glibc.
++	# We could probably try harder.
++	LIBC=gnu
++
++	eval $set_cc_for_build
++	cat <<-EOF > $dummy.c
++	#include <features.h>
++	#if defined(__UCLIBC__)
++	LIBC=uclibc
++	#elif defined(__dietlibc__)
++	LIBC=dietlibc
++	#else
++	LIBC=gnu
++	#endif
++	EOF
++	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`
++	;;
++esac
++
+ # Note: order is significant - the case branches are not exclusive.
+ 
+ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+     *:NetBSD:*:*)
+ 	# NetBSD (nbsd) targets should (where applicable) match one or
+-	# more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*,
++	# more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
+ 	# *-*-netbsdecoff* and *-*-netbsd*.  For targets that recently
+ 	# switched to ELF, *-*-netbsd* would select the old
+ 	# object file format.  This provides both forward
+@@ -161,6 +175,7 @@
+ 	    arm*) machine=arm-unknown ;;
+ 	    sh3el) machine=shl-unknown ;;
+ 	    sh3eb) machine=sh-unknown ;;
++	    sh5el) machine=sh5le-unknown ;;
+ 	    *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
+ 	esac
+ 	# The Operating System including object format, if it has switched
+@@ -169,7 +184,7 @@
+ 	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+ 		eval $set_cc_for_build
+ 		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+-			| grep __ELF__ >/dev/null
++			| grep -q __ELF__
+ 		then
+ 		    # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+ 		    # Return netbsd for either.  FIX?
+@@ -179,7 +194,7 @@
+ 		fi
+ 		;;
+ 	    *)
+-	        os=netbsd
++		os=netbsd
+ 		;;
+ 	esac
+ 	# The OS release
+@@ -200,6 +215,10 @@
+ 	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+ 	echo "${machine}-${os}${release}"
+ 	exit ;;
++    *:Bitrig:*:*)
++	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
++	echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE}
++	exit ;;
+     *:OpenBSD:*:*)
+ 	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
+ 	echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
+@@ -222,7 +241,7 @@
+ 		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+ 		;;
+ 	*5.*)
+-	        UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
++		UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+ 		;;
+ 	esac
+ 	# According to Compaq, /usr/sbin/psrinfo has been available on
+@@ -268,7 +287,10 @@
+ 	# A Xn.n version is an unreleased experimental baselevel.
+ 	# 1.2 uses "1.2" for uname -r.
+ 	echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+-	exit ;;
++	# Reset EXIT trap before exiting to avoid spurious non-zero exit code.
++	exitcode=$?
++	trap '' 0
++	exit $exitcode ;;
+     Alpha\ *:Windows_NT*:*)
+ 	# How do we know it's Interix rather than the generic POSIX subsystem?
+ 	# Should we change UNAME_MACHINE based on the output of uname instead
+@@ -294,12 +316,12 @@
+ 	echo s390-ibm-zvmoe
+ 	exit ;;
+     *:OS400:*:*)
+-        echo powerpc-ibm-os400
++	echo powerpc-ibm-os400
+ 	exit ;;
+     arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
+ 	echo arm-acorn-riscix${UNAME_RELEASE}
+ 	exit ;;
+-    arm:riscos:*:*|arm:RISCOS:*:*)
++    arm*:riscos:*:*|arm*:RISCOS:*:*)
+ 	echo arm-unknown-riscos
+ 	exit ;;
+     SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
+@@ -323,14 +345,33 @@
+ 	case `/usr/bin/uname -p` in
+ 	    sparc) echo sparc-icl-nx7; exit ;;
+ 	esac ;;
++    s390x:SunOS:*:*)
++	echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
++	exit ;;
+     sun4H:SunOS:5.*:*)
+ 	echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ 	exit ;;
+     sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
+ 	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ 	exit ;;
+-    i86pc:SunOS:5.*:*)
+-	echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
++    i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
++	echo i386-pc-auroraux${UNAME_RELEASE}
++	exit ;;
++    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
++	eval $set_cc_for_build
++	SUN_ARCH="i386"
++	# If there is a compiler, see if it is configured for 64-bit objects.
++	# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
++	# This test works for both compilers.
++	if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
++	    if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
++		(CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
++		grep IS_64BIT_ARCH >/dev/null
++	    then
++		SUN_ARCH="x86_64"
++	    fi
++	fi
++	echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ 	exit ;;
+     sun4*:SunOS:6*:*)
+ 	# According to config.sub, this is the proper way to canonicalize
+@@ -374,23 +415,23 @@
+     # MiNT.  But MiNT is downward compatible to TOS, so this should
+     # be no problem.
+     atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
+-        echo m68k-atari-mint${UNAME_RELEASE}
++	echo m68k-atari-mint${UNAME_RELEASE}
+ 	exit ;;
+     atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
+ 	echo m68k-atari-mint${UNAME_RELEASE}
+-        exit ;;
++	exit ;;
+     *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
+-        echo m68k-atari-mint${UNAME_RELEASE}
++	echo m68k-atari-mint${UNAME_RELEASE}
+ 	exit ;;
+     milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
+-        echo m68k-milan-mint${UNAME_RELEASE}
+-        exit ;;
++	echo m68k-milan-mint${UNAME_RELEASE}
++	exit ;;
+     hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
+-        echo m68k-hades-mint${UNAME_RELEASE}
+-        exit ;;
++	echo m68k-hades-mint${UNAME_RELEASE}
++	exit ;;
+     *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
+-        echo m68k-unknown-mint${UNAME_RELEASE}
+-        exit ;;
++	echo m68k-unknown-mint${UNAME_RELEASE}
++	exit ;;
+     m68k:machten:*:*)
+ 	echo m68k-apple-machten${UNAME_RELEASE}
+ 	exit ;;
+@@ -460,8 +501,8 @@
+ 	echo m88k-motorola-sysv3
+ 	exit ;;
+     AViiON:dgux:*:*)
+-        # DG/UX returns AViiON for all architectures
+-        UNAME_PROCESSOR=`/usr/bin/uname -p`
++	# DG/UX returns AViiON for all architectures
++	UNAME_PROCESSOR=`/usr/bin/uname -p`
+ 	if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
+ 	then
+ 	    if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+@@ -474,7 +515,7 @@
+ 	else
+ 	    echo i586-dg-dgux${UNAME_RELEASE}
+ 	fi
+- 	exit ;;
++	exit ;;
+     M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
+ 	echo m88k-dolphin-sysv3
+ 	exit ;;
+@@ -531,7 +572,7 @@
+ 		echo rs6000-ibm-aix3.2
+ 	fi
+ 	exit ;;
+-    *:AIX:*:[45])
++    *:AIX:*:[4567])
+ 	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+ 	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
+ 		IBM_ARCH=rs6000
+@@ -574,52 +615,52 @@
+ 	    9000/[678][0-9][0-9])
+ 		if [ -x /usr/bin/getconf ]; then
+ 		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+-                    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+-                    case "${sc_cpu_version}" in
+-                      523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
+-                      528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
+-                      532)                      # CPU_PA_RISC2_0
+-                        case "${sc_kernel_bits}" in
+-                          32) HP_ARCH="hppa2.0n" ;;
+-                          64) HP_ARCH="hppa2.0w" ;;
++		    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
++		    case "${sc_cpu_version}" in
++		      523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
++		      528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
++		      532)                      # CPU_PA_RISC2_0
++			case "${sc_kernel_bits}" in
++			  32) HP_ARCH="hppa2.0n" ;;
++			  64) HP_ARCH="hppa2.0w" ;;
+ 			  '') HP_ARCH="hppa2.0" ;;   # HP-UX 10.20
+-                        esac ;;
+-                    esac
++			esac ;;
++		    esac
+ 		fi
+ 		if [ "${HP_ARCH}" = "" ]; then
+ 		    eval $set_cc_for_build
+-		    sed 's/^              //' << EOF >$dummy.c
++		    sed 's/^		//' << EOF >$dummy.c
++
++		#define _HPUX_SOURCE
++		#include <stdlib.h>
++		#include <unistd.h>
++
++		int main ()
++		{
++		#if defined(_SC_KERNEL_BITS)
++		    long bits = sysconf(_SC_KERNEL_BITS);
++		#endif
++		    long cpu  = sysconf (_SC_CPU_VERSION);
+ 
+-              #define _HPUX_SOURCE
+-              #include <stdlib.h>
+-              #include <unistd.h>
+-
+-              int main ()
+-              {
+-              #if defined(_SC_KERNEL_BITS)
+-                  long bits = sysconf(_SC_KERNEL_BITS);
+-              #endif
+-                  long cpu  = sysconf (_SC_CPU_VERSION);
+-
+-                  switch (cpu)
+-              	{
+-              	case CPU_PA_RISC1_0: pu