support nommu with ELF binaries

21 files changed, 1241 insertions, 40 deletions

diff --git a/mk/vars.mk b/mk/vars.mk
index 86079d09a..87a622c25 100644
--- a/mk/vars.mk
+++ b/mk/vars.mk
@@ -212,11 +212,13 @@ TARGET_LDFLAGS+=	-Wl,--secure-plt
 endif
 endif
 
+ifneq ($(ADK_TARGET_BINFMT_ELF)$(ADK_TARGET_WITH_MMU),y)
 ifeq ($(ADK_TARGET_USE_STATIC_LIBS_ONLY)$(ADK_TARGET_USE_STATIC_AND_SHARED_LIBS),y)
 TARGET_CFLAGS+=		-static
 TARGET_CXXFLAGS+=	-static
 TARGET_LDFLAGS+=	-static
 endif
+endif
 
 ifneq ($(ADK_TARGET_USE_SSP),)
 TARGET_CFLAGS+=		-fstack-protector-all --param=ssp-buffer-size=4
@@ -287,8 +289,8 @@ endif
 
 # workaround gcc bug for m68k/coldfire
 ifeq ($(ADK_TARGET_CPU_CF),y)
-TARGET_CFLAGS+=		-fno-dwarf2-cfi-asm
-TARGET_CXXFLAGS+=	-fno-dwarf2-cfi-asm
+TARGET_CFLAGS+=		-fno-dwarf2-cfi-asm -mxgot
+TARGET_CXXFLAGS+=	-fno-dwarf2-cfi-asm -mxgot
 endif
 
 ifeq ($(ADK_TARGET_ARCH_ARM),y)
diff --git a/package/busybox/config/Config.in b/package/busybox/config/Config.in
index 6f19502f4..d5cbed6a5 100644
--- a/package/busybox/config/Config.in
+++ b/package/busybox/config/Config.in
@@ -371,7 +371,7 @@ config BUSYBOX_STATIC
 
 config BUSYBOX_PIE
 	bool "Build position independent executable"
-	default n
+	default y if !ADK_TARGET_WITH_MMU && ADK_TARGET_BINFMT_ELF
 	depends on !BUSYBOX_STATIC
 	help
 	Hardened code option. PIE binaries are loaded at a different
@@ -382,7 +382,7 @@ config BUSYBOX_PIE
 
 config BUSYBOX_NOMMU
 	bool "Force NOMMU build"
-	default n
+	default y if !ADK_TARGET_WITH_MMU
 	help
 	Busybox tries to detect whether architecture it is being
 	built against supports MMU or not. If this detection fails,
diff --git a/package/u-boot/patches/patch-tools_Makefile b/package/u-boot/patches/patch-tools_Makefile
index c94bd2ada..fc284ad58 100644
--- a/package/u-boot/patches/patch-tools_Makefile
+++ b/package/u-boot/patches/patch-tools_Makefile
@@ -1,14 +1,11 @@
---- u-boot-2023.07.02.orig/tools/Makefile	2023-07-11 17:20:44.000000000 +0200
-+++ u-boot-2023.07.02/tools/Makefile	2023-09-29 15:53:47.464079598 +0200
-@@ -172,9 +172,9 @@ endif
- # MXSImage needs LibSSL
- ifneq ($(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_ARMADA_38X)$(CONFIG_TOOLS_LIBCRYPTO),)
- HOSTCFLAGS_kwbimage.o += \
--	$(shell pkg-config --cflags libssl libcrypto 2> /dev/null || echo "")
-+	$(shell echo "-lssl -lcrypto")
- HOSTLDLIBS_mkimage += \
--	$(shell pkg-config --libs libssl libcrypto 2> /dev/null || echo "-lssl -lcrypto")
-+	$(shell echo "-lssl -lcrypto")
+--- u-boot-2024.01.orig/tools/Makefile	2024-01-08 16:37:48.000000000 +0100
++++ u-boot-2024.01/tools/Makefile	2024-01-17 17:56:21.004096375 +0100
+@@ -250,7 +250,7 @@ HOSTLDLIBS_mkeficapsule += \
+ 	$(shell pkg-config --libs gnutls 2> /dev/null || echo "-lgnutls")
+ HOSTLDLIBS_mkeficapsule += \
+ 	$(shell pkg-config --libs uuid 2> /dev/null || echo "-luuid")
+-hostprogs-$(CONFIG_TOOLS_MKEFICAPSULE) += mkeficapsule
++#hostprogs-$(CONFIG_TOOLS_MKEFICAPSULE) += mkeficapsule
  
- # OS X deprecate openssl in favour of CommonCrypto, supress deprecation
- # warnings on those systems
+ mkfwumdata-objs := mkfwumdata.o generated/lib/crc32.o
+ HOSTLDLIBS_mkfwumdata += -luuid
diff --git a/package/uclibc-ng/Makefile b/package/uclibc-ng/Makefile
index ccc5846a1..bc99abc5f 100644
--- a/package/uclibc-ng/Makefile
+++ b/package/uclibc-ng/Makefile
@@ -31,6 +31,10 @@ uclibc-ng-install:
 	-$(CP) $(STAGING_TARGET_DIR)/lib/ld*-uClibc*.so* $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH)
 	-$(CP) $(STAGING_TARGET_DIR)/lib/libc.so.* $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH)
 	-$(CP) $(STAGING_TARGET_DIR)/lib/libuClibc-*.so $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH)
+ifeq ($(ADK_TARGET_BINFMT_ELF)$(ADK_TARGET_WITH_MMU),y)
+	$(CP) $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/${PKG_NAME}-${PKG_VERSION}/lib/ld*-uClibc*.so* \
+		$(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH)
+endif
 ifeq ($(ADK_TARGET_ARCH_CSKY),y)
 	cd $(IDIR_UCLIBC_NG)/$(ADK_TARGET_LIBC_PATH) && \
 		ln -sf ld-uClibc.so.0 ld.so.1
diff --git a/target/arm/uclibc-ng-nommu.config b/target/arm/uclibc-ng-nommu.config
new file mode 100644
index 000000000..3f3c46e67
--- /dev/null
+++ b/target/arm/uclibc-ng-nommu.config
@@ -0,0 +1,234 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# uClibc-ng 1.0.45 C Library Configuration
+#
+# TARGET_aarch64 is not set
+# TARGET_alpha is not set
+# TARGET_arc is not set
+TARGET_arm=y
+# TARGET_avr32 is not set
+# TARGET_bfin is not set
+# TARGET_c6x is not set
+# TARGET_cris is not set
+# TARGET_csky is not set
+# TARGET_frv is not set
+# TARGET_h8300 is not set
+# TARGET_hppa is not set
+# TARGET_i386 is not set
+# TARGET_ia64 is not set
+# TARGET_kvx is not set
+# TARGET_lm32 is not set
+# TARGET_m68k is not set
+# TARGET_metag is not set
+# TARGET_microblaze is not set
+# TARGET_mips is not set
+# TARGET_nds32 is not set
+# TARGET_nios2 is not set
+# TARGET_or1k is not set
+# TARGET_powerpc is not set
+# TARGET_riscv64 is not set
+# TARGET_riscv32 is not set
+# TARGET_sh is not set
+# TARGET_sparc is not set
+# TARGET_sparc64 is not set
+# TARGET_tile is not set
+# TARGET_x86_64 is not set
+# TARGET_xtensa is not set
+TARGET_LDSO_NAME="ld-uClibc"
+TARGET_ARCH_BITS=32
+
+#
+# Target Architecture Features and Options
+#
+TARGET_ARCH="arm"
+FORCE_OPTIONS_FOR_ARCH=y
+CONFIG_ARM_EABI=y
+TARGET_SUBARCH=""
+UCLIBC_FORMAT_ELF=y
+# UCLIBC_FORMAT_FDPIC_ELF is not set
+# UCLIBC_FORMAT_FLAT is not set
+# UCLIBC_FORMAT_FLAT_SEP_DATA is not set
+# UCLIBC_FORMAT_SHARED_FLAT is not set
+ARCH_HAS_DEPRECATED_SYSCALLS=y
+ARCH_ANY_ENDIAN=y
+ARCH_LITTLE_ENDIAN=y
+# ARCH_WANTS_BIG_ENDIAN is not set
+ARCH_WANTS_LITTLE_ENDIAN=y
+ARCH_HAS_MMU=y
+# ARCH_USE_MMU is not set
+UCLIBC_HAS_FLOATS=y
+# UCLIBC_HAS_FPU is not set
+UCLIBC_HAS_SOFT_FLOAT=y
+DO_C99_MATH=y
+DO_XSI_MATH=y
+UCLIBC_HAS_LONG_DOUBLE_MATH=y
+KERNEL_HEADERS=""
+UCLIBC_UCLINUX_BROKEN_MUNMAP=y
+HAVE_DOT_CONFIG=y
+
+#
+# General Library Settings
+#
+DOPIC=y
+STATIC_PIE=y
+ARCH_HAS_NO_SHARED=y
+ARCH_HAS_UCONTEXT=y
+HAVE_LDSO=y
+UCLIBC_CTOR_DTOR=y
+HAS_NO_THREADS=y
+# UCLIBC_HAS_LINUXTHREADS is not set
+# UCLIBC_HAS_THREADS_NATIVE is not set
+PTHREADS_STACK_DEFAULT_SIZE=2097152
+UCLIBC_HAS_SYSLOG=y
+UCLIBC_HAS_LFS=y
+MALLOC=y
+# MALLOC_SIMPLE is not set
+# MALLOC_STANDARD is not set
+UCLIBC_DYNAMIC_ATEXIT=y
+UCLIBC_HAS_UTMPX=y
+UCLIBC_HAS_UTMP=y
+UCLIBC_SUSV2_LEGACY=y
+UCLIBC_SUSV3_LEGACY=y
+UCLIBC_HAS_CONTEXT_FUNCS=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_SPECIFIC=y
+UCLIBC_HAS_GNU_ERROR=y
+UCLIBC_BSD_SPECIFIC=y
+UCLIBC_HAS_BSD_ERR=y
+UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
+UCLIBC_HAS_BSD_B64_NTOP_B64_PTON=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=y
+UCLIBC_HAS_SHA512_CRYPT_IMPL=y
+UCLIBC_HAS_CRYPT=y
+UCLIBC_HAS_NETWORK_SUPPORT=y
+UCLIBC_HAS_SOCKET=y
+UCLIBC_HAS_IPV4=y
+UCLIBC_HAS_IPV6=y
+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_DNSRAND_MODE_URANDOM is not set
+# UCLIBC_DNSRAND_MODE_CLOCK is not set
+UCLIBC_DNSRAND_MODE_PRNGPLUS=y
+# UCLIBC_DNSRAND_MODE_SIMPLECOUNTER is not set
+
+#
+# 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_LIBICONV is not set
+# UCLIBC_HAS_LIBINTL is not set
+# 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=y
+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
+UCLIBC_HAS_ARGP=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_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
diff --git a/target/bfin/uclibc-ng.config b/target/bfin/uclibc-ng-nommu.config
index 24c45006a..24c45006a 100644
--- a/target/bfin/uclibc-ng.config
+++ b/target/bfin/uclibc-ng-nommu.config
diff --git a/target/c6x/uclibc-ng.config b/target/c6x/uclibc-ng-nommu.config
index d076edcf2..a304217ab 100644
--- a/target/c6x/uclibc-ng.config
+++ b/target/c6x/uclibc-ng-nommu.config
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# uClibc-ng 1.0.25 C Library Configuration
+# uClibc-ng 1.0.45 C Library Configuration
 #
 # TARGET_aarch64 is not set
 # TARGET_alpha is not set
@@ -10,11 +10,13 @@
 # TARGET_bfin is not set
 TARGET_c6x=y
 # TARGET_cris is not set
+# TARGET_csky is not set
 # TARGET_frv is not set
 # TARGET_h8300 is not set
 # TARGET_hppa is not set
 # TARGET_i386 is not set
 # TARGET_ia64 is not set
+# TARGET_kvx is not set
 # TARGET_lm32 is not set
 # TARGET_m68k is not set
 # TARGET_metag is not set
@@ -24,11 +26,16 @@ TARGET_c6x=y
 # TARGET_nios2 is not set
 # TARGET_or1k is not set
 # TARGET_powerpc is not set
+# TARGET_riscv64 is not set
+# TARGET_riscv32 is not set
 # TARGET_sh is not set
 # TARGET_sparc is not set
 # TARGET_sparc64 is not set
+# TARGET_tile is not set
 # TARGET_x86_64 is not set
 # TARGET_xtensa is not set
+TARGET_LDSO_NAME="ld-uClibc"
+TARGET_ARCH_BITS=32
 
 #
 # Target Architecture Features and Options
@@ -56,7 +63,6 @@ UCLIBC_HAS_FLOATS=y
 UCLIBC_HAS_FPU=y
 DO_C99_MATH=y
 DO_XSI_MATH=y
-# UCLIBC_HAS_FENV is not set
 UCLIBC_HAS_LONG_DOUBLE_MATH=y
 KERNEL_HEADERS=""
 UCLIBC_UCLINUX_BROKEN_MUNMAP=y
@@ -66,6 +72,7 @@ HAVE_DOT_CONFIG=y
 # General Library Settings
 #
 DOPIC=y
+HAVE_LDSO=y
 HAVE_SHARED=y
 FORCE_SHAREABLE_TEXT_SEGMENTS=y
 LDSO_LDD_SUPPORT=y
@@ -81,13 +88,13 @@ LDSO_RUNPATH_OF_EXECUTABLE=y
 LDSO_SAFE_RUNPATH=y
 LDSO_SEARCH_INTERP_PATH=y
 LDSO_LD_LIBRARY_PATH=y
-LDSO_NO_CLEANUP=y
 UCLIBC_CTOR_DTOR=y
 # LDSO_GNU_HASH_SUPPORT is not set
 # HAS_NO_THREADS is not set
 UCLIBC_HAS_LINUXTHREADS=y
 UCLIBC_HAS_THREADS=y
 PTHREADS_DEBUG_SUPPORT=y
+PTHREADS_STACK_DEFAULT_SIZE=2097152
 UCLIBC_HAS_SYSLOG=y
 UCLIBC_HAS_LFS=y
 MALLOC=y
@@ -130,6 +137,7 @@ UCLIBC_HAS_GNU_ERROR=y
 UCLIBC_BSD_SPECIFIC=y
 UCLIBC_HAS_BSD_ERR=y
 UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
+# UCLIBC_HAS_BSD_B64_NTOP_B64_PTON is not set
 # UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL is not set
 # UCLIBC_NTP_LEGACY is not set
 UCLIBC_SV4_DEPRECATED=y
@@ -152,6 +160,10 @@ 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_DNSRAND_MODE_URANDOM is not set
+# UCLIBC_DNSRAND_MODE_CLOCK is not set
+UCLIBC_DNSRAND_MODE_PRNGPLUS=y
+# UCLIBC_DNSRAND_MODE_SIMPLECOUNTER is not set
 
 #
 # String and Stdio Support
@@ -220,7 +232,6 @@ HARDWIRED_ABSPATH=y
 #
 # Security options
 #
-# UCLIBC_HAS_ARC4RANDOM is not set
 # UCLIBC_HAS_SSP is not set
 # UCLIBC_BUILD_RELRO is not set
 # UCLIBC_BUILD_NOW is not set
diff --git a/target/config/Config.in.binfmt b/target/config/Config.in.binfmt
index a9ba0a787..a9ab123bc 100644
--- a/target/config/Config.in.binfmt
+++ b/target/config/Config.in.binfmt
@@ -7,7 +7,8 @@ depends on ADK_TARGET_OS_LINUX && !ADK_TARGET_CHOOSE_ARCH
 
 config ADK_TARGET_BINFMT_ELF
 	bool "ELF"
-	depends on ADK_TARGET_WITH_MMU
+	depends on ADK_TARGET_WITH_MMU || ADK_TARGET_ARCH_ARM || \
+		ADK_TARGET_ARCH_M68K || ADK_TARGET_ARCH_RISCV64
 
 config ADK_TARGET_BINFMT_FLAT
 	bool "FLAT"
diff --git a/target/config/Config.in.cpu b/target/config/Config.in.cpu
index 7efb22608..2baebc34e 100644
--- a/target/config/Config.in.cpu
+++ b/target/config/Config.in.cpu
@@ -607,8 +607,8 @@ config ADK_TARGET_CPU_CF_5208
 	bool "coldfire 5208"
 	select ADK_TARGET_SUPPORTS_THREADS
 	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
 	select ADK_TARGET_CPU_CF
-	select ADK_TARGET_UCLINUX
 	depends on ADK_TARGET_ARCH_M68K
 
 config ADK_TARGET_CPU_CF_5211A
diff --git a/target/config/Config.in.libs b/target/config/Config.in.libs
index 2c58188ce..ba02fb8f9 100644
--- a/target/config/Config.in.libs
+++ b/target/config/Config.in.libs
@@ -11,7 +11,7 @@ config ADK_TARGET_USE_SHARED_LIBS_ONLY
 
 config ADK_TARGET_USE_STATIC_LIBS_ONLY
 	bool "Create static libraries only and link statically"
-	select BUSYBOX_STATIC
+	select BUSYBOX_STATIC if !ADK_TARGET_BINFMT_ELF
 	help
 	  Useful for debugging of dynamic linker problems. Be aware of the fact, that uClibc and glibc
 	  still requires libgcc_so.so.1 for pthread_cancel. Glibc also requires libnss_*.so libraries
diff --git a/target/linux/Config.in.kernelcfg b/target/linux/Config.in.kernelcfg
index 5c3a16892..429712a13 100644
--- a/target/linux/Config.in.kernelcfg
+++ b/target/linux/Config.in.kernelcfg
@@ -61,6 +61,7 @@ config ADK_TARGET_LINUX_KERNEL_DEFCONFIG
 	default "spitz_defconfig" if ADK_TARGET_SYSTEM_QEMU_ARM_TERRIER
 	default "haps_hs5x_defconfig" if ADK_TARGET_CPU_ARC_ARC32
 	default "haps_arc64_defconfig" if ADK_TARGET_CPU_ARC_ARC64
+	default "m5208evb_defconfig" if ADK_TARGET_SYSTEM_QEMU_M68K_MCF5208
 	default ""
 
 config ADK_TARGET_LINUX_KERNEL_CUSTOMCONFIG_PATH
diff --git a/target/linux/config/Config.in.kernel b/target/linux/config/Config.in.kernel
index c2a623fee..9d7c5da36 100644
--- a/target/linux/config/Config.in.kernel
+++ b/target/linux/config/Config.in.kernel
@@ -116,6 +116,7 @@ config ADK_LINUX_KERNEL_BINFMT_ELF
 config ADK_LINUX_KERNEL_BINFMT_ELF_FDPIC
 	bool
 	default y if ADK_TARGET_BINFMT_FDPIC
+	default y if !ADK_TARGET_WITH_MMU && ADK_TARGET_BINFMT_ELF
 
 config ADK_LINUX_KERNEL_BINFMT_FLAT
 	bool
diff --git a/target/lm32/uclibc-ng.config b/target/lm32/uclibc-ng-nommu.config
index dbdf5613c..dbdf5613c 100644
--- a/target/lm32/uclibc-ng.config
+++ b/target/lm32/uclibc-ng-nommu.config
diff --git a/target/m68k/systems/qemu-m68k-mcf5208 b/target/m68k/systems/qemu-m68k-mcf5208
index 921300bbc..8adcbc3a7 100644
--- a/target/m68k/systems/qemu-m68k-mcf5208
+++ b/target/m68k/systems/qemu-m68k-mcf5208
@@ -2,8 +2,7 @@ config ADK_TARGET_SYSTEM_QEMU_M68K_MCF5208
 	bool "Qemu M68K (Coldfire MCF5208)"
 	select ADK_TARGET_QEMU
 	select ADK_TARGET_CPU_CF_5208
-	select ADK_TARGET_BINFMT_FLAT
-	select ADK_TARGET_UCLINUX
+	select ADK_TARGET_UCLINUX if ADK_TARGET_BINFMT_FLAT
 	select ADK_TARGET_KERNEL_ZIMAGE
 	select ADK_TARGET_KERNEL_WITH_COMPRESSION
 	help
diff --git a/target/m68k/uclibc-ng-nommu.config b/target/m68k/uclibc-ng-nommu.config
new file mode 100644
index 000000000..4ccb90f76
--- /dev/null
+++ b/target/m68k/uclibc-ng-nommu.config
@@ -0,0 +1,230 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# uClibc-ng 1.0.45 C Library Configuration
+#
+# TARGET_aarch64 is not set
+# 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_csky is not set
+# TARGET_frv is not set
+# TARGET_h8300 is not set
+# TARGET_hppa is not set
+# TARGET_i386 is not set
+# TARGET_ia64 is not set
+# TARGET_kvx is not set
+# TARGET_lm32 is not set
+TARGET_m68k=y
+# TARGET_metag is not set
+# TARGET_microblaze is not set
+# TARGET_mips is not set
+# TARGET_nds32 is not set
+# TARGET_nios2 is not set
+# TARGET_or1k is not set
+# TARGET_powerpc is not set
+# TARGET_riscv64 is not set
+# TARGET_riscv32 is not set
+# TARGET_sh is not set
+# TARGET_sparc is not set
+# TARGET_sparc64 is not set
+# TARGET_tile is not set
+# TARGET_x86_64 is not set
+# TARGET_xtensa is not set
+TARGET_LDSO_NAME="ld-uClibc"
+TARGET_ARCH_BITS=32
+
+#
+# Target Architecture Features and Options
+#
+TARGET_ARCH="m68k"
+FORCE_OPTIONS_FOR_ARCH=y
+TARGET_SUBARCH=""
+UCLIBC_FORMAT_ELF=y
+# UCLIBC_FORMAT_FLAT is not set
+# UCLIBC_FORMAT_FLAT_SEP_DATA is not set
+# UCLIBC_FORMAT_SHARED_FLAT is not set
+ARCH_HAS_DEPRECATED_SYSCALLS=y
+ARCH_BIG_ENDIAN=y
+
+#
+# Using Big Endian
+#
+ARCH_HAS_MMU=y
+# ARCH_USE_MMU is not set
+UCLIBC_HAS_FLOATS=y
+UCLIBC_HAS_FPU=y
+DO_C99_MATH=y
+DO_XSI_MATH=y
+UCLIBC_HAS_LONG_DOUBLE_MATH=y
+KERNEL_HEADERS=""
+UCLIBC_UCLINUX_BROKEN_MUNMAP=y
+HAVE_DOT_CONFIG=y
+
+#
+# General Library Settings
+#
+DOPIC=y
+STATIC_PIE=y
+ARCH_HAS_NO_SHARED=y
+HAVE_LDSO=y
+UCLIBC_CTOR_DTOR=y
+HAS_NO_THREADS=y
+# UCLIBC_HAS_LINUXTHREADS is not set
+# UCLIBC_HAS_THREADS_NATIVE is not set
+PTHREADS_STACK_DEFAULT_SIZE=2097152
+UCLIBC_HAS_SYSLOG=y
+UCLIBC_HAS_LFS=y
+MALLOC=y
+# MALLOC_SIMPLE is not set
+# MALLOC_STANDARD is not set
+UCLIBC_DYNAMIC_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_SPECIFIC=y
+UCLIBC_HAS_GNU_ERROR=y
+UCLIBC_BSD_SPECIFIC=y
+UCLIBC_HAS_BSD_ERR=y
+UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
+# UCLIBC_HAS_BSD_B64_NTOP_B64_PTON is not set
+# 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=y
+UCLIBC_HAS_SHA512_CRYPT_IMPL=y
+UCLIBC_HAS_CRYPT=y
+UCLIBC_HAS_NETWORK_SUPPORT=y
+UCLIBC_HAS_SOCKET=y
+UCLIBC_HAS_IPV4=y
+UCLIBC_HAS_IPV6=y
+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_DNSRAND_MODE_URANDOM is not set
+# UCLIBC_DNSRAND_MODE_CLOCK is not set
+UCLIBC_DNSRAND_MODE_PRNGPLUS=y
+# UCLIBC_DNSRAND_MODE_SIMPLECOUNTER is not set
+
+#
+# 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_LIBICONV is not set
+# UCLIBC_HAS_LIBINTL is not set
+# 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=y
+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
+UCLIBC_HAS_ARGP=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_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
diff --git a/target/m68k/uclibc-ng.config b/target/m68k/uclibc-ng.config
index 15e820611..43d9ac547 100644
--- a/target/m68k/uclibc-ng.config
+++ b/target/m68k/uclibc-ng.config
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# uClibc-ng 1.0.27 C Library Configuration
+# uClibc-ng 1.0.45 C Library Configuration
 #
 # TARGET_aarch64 is not set
 # TARGET_alpha is not set
@@ -16,6 +16,7 @@
 # TARGET_hppa is not set
 # TARGET_i386 is not set
 # TARGET_ia64 is not set
+# TARGET_kvx is not set
 # TARGET_lm32 is not set
 TARGET_m68k=y
 # TARGET_metag is not set
@@ -25,11 +26,16 @@ TARGET_m68k=y
 # TARGET_nios2 is not set
 # TARGET_or1k is not set
 # TARGET_powerpc is not set
+# TARGET_riscv64 is not set
+# TARGET_riscv32 is not set
 # TARGET_sh is not set
 # TARGET_sparc is not set
 # TARGET_sparc64 is not set
+# TARGET_tile is not set
 # TARGET_x86_64 is not set
 # TARGET_xtensa is not set
+TARGET_LDSO_NAME="ld-uClibc"
+TARGET_ARCH_BITS=32
 
 #
 # Target Architecture Features and Options
@@ -37,6 +43,10 @@ TARGET_m68k=y
 TARGET_ARCH="m68k"
 FORCE_OPTIONS_FOR_ARCH=y
 TARGET_SUBARCH=""
+# UCLIBC_FORMAT_ELF is not set
+# UCLIBC_FORMAT_FLAT is not set
+# UCLIBC_FORMAT_FLAT_SEP_DATA is not set
+# UCLIBC_FORMAT_SHARED_FLAT is not set
 
 #
 # Using ELF file format
@@ -61,22 +71,23 @@ HAVE_DOT_CONFIG=y
 # General Library Settings
 #
 DOPIC=y
+# STATIC_PIE is not set
+HAVE_LDSO=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_ENV_SUPPORT=y
 # 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
+UCLIBC_STATIC_LDCONFIG=y
 LDSO_RUNPATH=y
-LDSO_RUNPATH_OF_EXECUTABLE=y
+# LDSO_RUNPATH_OF_EXECUTABLE is not set
 LDSO_SAFE_RUNPATH=y
 LDSO_SEARCH_INTERP_PATH=y
 LDSO_LD_LIBRARY_PATH=y
-LDSO_NO_CLEANUP=y
 UCLIBC_CTOR_DTOR=y
 # LDSO_GNU_HASH_SUPPORT is not set
 # HAS_NO_THREADS is not set
@@ -85,11 +96,12 @@ UCLIBC_HAS_THREADS_NATIVE=y
 UCLIBC_HAS_THREADS=y
 UCLIBC_HAS_TLS=y
 PTHREADS_DEBUG_SUPPORT=y
+PTHREADS_STACK_DEFAULT_SIZE=2097152
 UCLIBC_HAS_SYSLOG=y
 UCLIBC_HAS_LFS=y
-# MALLOC is not set
+MALLOC=y
 # MALLOC_SIMPLE is not set
-MALLOC_STANDARD=y
+# MALLOC_STANDARD is not set
 UCLIBC_DYNAMIC_ATEXIT=y
 UCLIBC_HAS_UTMPX=y
 UCLIBC_HAS_UTMP=y
@@ -128,6 +140,7 @@ UCLIBC_HAS_GNU_ERROR=y
 UCLIBC_BSD_SPECIFIC=y
 UCLIBC_HAS_BSD_ERR=y
 UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
+# UCLIBC_HAS_BSD_B64_NTOP_B64_PTON is not set
 # UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL is not set
 # UCLIBC_NTP_LEGACY is not set
 UCLIBC_SV4_DEPRECATED=y
@@ -150,6 +163,10 @@ 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_DNSRAND_MODE_URANDOM is not set
+# UCLIBC_DNSRAND_MODE_CLOCK is not set
+UCLIBC_DNSRAND_MODE_PRNGPLUS=y
+# UCLIBC_DNSRAND_MODE_SIMPLECOUNTER is not set
 
 #
 # String and Stdio Support
@@ -219,9 +236,8 @@ HARDWIRED_ABSPATH=y
 #
 # Security options
 #
-# UCLIBC_HAS_ARC4RANDOM is not set
 # UCLIBC_HAS_SSP is not set
-# UCLIBC_BUILD_RELRO is not set
+UCLIBC_BUILD_RELRO=y
 # UCLIBC_BUILD_NOW is not set
 UCLIBC_BUILD_NOEXECSTACK=y
 
diff --git a/target/riscv32/uclibc-ng-nommu.config b/target/riscv32/uclibc-ng-nommu.config
new file mode 100644
index 000000000..b5e038314
--- /dev/null
+++ b/target/riscv32/uclibc-ng-nommu.config
@@ -0,0 +1,226 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# uClibc-ng 1.0.45 C Library Configuration
+#
+# TARGET_aarch64 is not set
+# 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_csky is not set
+# TARGET_frv is not set
+# TARGET_h8300 is not set
+# TARGET_hppa is not set
+# TARGET_i386 is not set
+# TARGET_ia64 is not set
+# TARGET_kvx is not set
+# TARGET_lm32 is not set
+# TARGET_m68k is not set
+# TARGET_metag is not set
+# TARGET_microblaze is not set
+# TARGET_mips is not set
+# TARGET_nds32 is not set
+# TARGET_nios2 is not set
+# TARGET_or1k is not set
+# TARGET_powerpc is not set
+# TARGET_riscv64 is not set
+TARGET_riscv32=y
+# TARGET_sh is not set
+# TARGET_sparc is not set
+# TARGET_sparc64 is not set
+# TARGET_tile is not set
+# TARGET_x86_64 is not set
+# TARGET_xtensa is not set
+TARGET_LDSO_NAME="ld-uClibc"
+TARGET_ARCH_BITS=32
+
+#
+# Target Architecture Features and Options
+#
+TARGET_ARCH="riscv32"
+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_LITTLE_ENDIAN=y
+
+#
+# Using Little Endian
+#
+ARCH_HAS_MMU=y
+# ARCH_USE_MMU is not set
+UCLIBC_HAS_FLOATS=y
+UCLIBC_HAS_FPU=y
+DO_C99_MATH=y
+DO_XSI_MATH=y
+UCLIBC_HAS_LONG_DOUBLE_MATH=y
+KERNEL_HEADERS=""
+UCLIBC_UCLINUX_BROKEN_MUNMAP=y
+HAVE_DOT_CONFIG=y
+
+#
+# General Library Settings
+#
+DOPIC=y
+ARCH_HAS_NO_SHARED=y
+ARCH_HAS_NO_LDSO=y
+UCLIBC_CTOR_DTOR=y
+HAS_NO_THREADS=y
+# UCLIBC_HAS_THREADS_NATIVE is not set
+PTHREADS_STACK_DEFAULT_SIZE=2097152
+UCLIBC_HAS_SYSLOG=y
+UCLIBC_HAS_LFS=y
+MALLOC=y
+# MALLOC_SIMPLE is not set
+# MALLOC_STANDARD is not set
+UCLIBC_DYNAMIC_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_SPECIFIC=y
+UCLIBC_HAS_GNU_ERROR=y
+UCLIBC_BSD_SPECIFIC=y
+UCLIBC_HAS_BSD_ERR=y
+UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
+# UCLIBC_HAS_BSD_B64_NTOP_B64_PTON is not set
+# 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=y
+UCLIBC_HAS_SHA512_CRYPT_IMPL=y
+UCLIBC_HAS_CRYPT=y
+UCLIBC_HAS_NETWORK_SUPPORT=y
+UCLIBC_HAS_SOCKET=y
+UCLIBC_HAS_IPV4=y
+UCLIBC_HAS_IPV6=y
+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_DNSRAND_MODE_URANDOM is not set
+# UCLIBC_DNSRAND_MODE_CLOCK is not set
+UCLIBC_DNSRAND_MODE_PRNGPLUS=y
+# UCLIBC_DNSRAND_MODE_SIMPLECOUNTER is not set
+
+#
+# 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_LIBICONV is not set
+# UCLIBC_HAS_LIBINTL is not set
+# UCLIBC_HAS_LOCALE is not set
+# UCLIBC_HAS_HEXADECIMAL_FLOATS is not set
+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=y
+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
+UCLIBC_HAS_ARGP=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_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
diff --git a/target/riscv64/uclibc-ng-nommu.config b/target/riscv64/uclibc-ng-nommu.config
new file mode 100644
index 000000000..b3652d6a6
--- /dev/null
+++ b/target/riscv64/uclibc-ng-nommu.config
@@ -0,0 +1,225 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# uClibc-ng 1.0.45 C Library Configuration
+#
+# TARGET_aarch64 is not set
+# 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_csky is not set
+# TARGET_frv is not set
+# TARGET_h8300 is not set
+# TARGET_hppa is not set
+# TARGET_i386 is not set
+# TARGET_ia64 is not set
+# TARGET_kvx is not set
+# TARGET_lm32 is not set
+# TARGET_m68k is not set
+# TARGET_metag is not set
+# TARGET_microblaze is not set
+# TARGET_mips is not set
+# TARGET_nds32 is not set
+# TARGET_nios2 is not set
+# TARGET_or1k is not set
+# TARGET_powerpc is not set
+TARGET_riscv64=y
+# TARGET_riscv32 is not set
+# TARGET_sh is not set
+# TARGET_sparc is not set
+# TARGET_sparc64 is not set
+# TARGET_tile is not set
+# TARGET_x86_64 is not set
+# TARGET_xtensa is not set
+TARGET_LDSO_NAME="ld-uClibc"
+TARGET_ARCH_BITS=32
+
+#
+# Target Architecture Features and Options
+#
+TARGET_ARCH="riscv64"
+FORCE_OPTIONS_FOR_ARCH=y
+TARGET_SUBARCH=""
+# UCLIBC_FORMAT_ELF is not set
+UCLIBC_FORMAT_FLAT=y
+# UCLIBC_FORMAT_FLAT_SEP_DATA is not set
+# UCLIBC_FORMAT_SHARED_FLAT is not set
+ARCH_LITTLE_ENDIAN=y
+
+#
+# Using Little Endian
+#
+ARCH_HAS_MMU=y
+# ARCH_USE_MMU is not set
+UCLIBC_HAS_FLOATS=y
+UCLIBC_HAS_FPU=y
+DO_C99_MATH=y
+DO_XSI_MATH=y
+UCLIBC_HAS_LONG_DOUBLE_MATH=y
+KERNEL_HEADERS=""
+UCLIBC_UCLINUX_BROKEN_MUNMAP=y
+HAVE_DOT_CONFIG=y
+
+#
+# General Library Settings
+#
+DOPIC=y
+# STATIC_PIE is not set
+ARCH_HAS_NO_SHARED=y
+ARCH_HAS_NO_LDSO=y
+HAS_NO_THREADS=y
+PTHREADS_STACK_DEFAULT_SIZE=2097152
+UCLIBC_HAS_SYSLOG=y
+UCLIBC_HAS_LFS=y
+MALLOC=y
+# MALLOC_SIMPLE is not set
+UCLIBC_DYNAMIC_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_SPECIFIC=y
+UCLIBC_HAS_GNU_ERROR=y
+UCLIBC_BSD_SPECIFIC=y
+UCLIBC_HAS_BSD_ERR=y
+UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
+# UCLIBC_HAS_BSD_B64_NTOP_B64_PTON is not set
+# 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=y
+UCLIBC_HAS_SHA512_CRYPT_IMPL=y
+UCLIBC_HAS_CRYPT=y
+UCLIBC_HAS_NETWORK_SUPPORT=y
+UCLIBC_HAS_SOCKET=y
+UCLIBC_HAS_IPV4=y
+UCLIBC_HAS_IPV6=y
+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_DNSRAND_MODE_URANDOM is not set
+# UCLIBC_DNSRAND_MODE_CLOCK is not set
+UCLIBC_DNSRAND_MODE_PRNGPLUS=y
+# UCLIBC_DNSRAND_MODE_SIMPLECOUNTER is not set
+
+#
+# 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_LIBICONV is not set
+# UCLIBC_HAS_LIBINTL is not set
+# UCLIBC_HAS_LOCALE is not set
+# UCLIBC_HAS_HEXADECIMAL_FLOATS is not set
+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=y
+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
+UCLIBC_HAS_ARGP=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_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
diff --git a/target/xtensa/uclibc-ng-nommu.config b/target/xtensa/uclibc-ng-nommu.config
new file mode 100644
index 000000000..b10508ce1
--- /dev/null
+++ b/target/xtensa/uclibc-ng-nommu.config
@@ -0,0 +1,230 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# uClibc-ng 1.0.45 C Library Configuration
+#
+# TARGET_aarch64 is not set
+# 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_csky is not set
+# TARGET_frv is not set
+# TARGET_h8300 is not set
+# TARGET_hppa is not set
+# TARGET_i386 is not set
+# TARGET_ia64 is not set
+# TARGET_kvx is not set
+# TARGET_lm32 is not set
+# TARGET_m68k is not set
+# TARGET_metag is not set
+# TARGET_microblaze is not set
+# TARGET_mips is not set
+# TARGET_nds32 is not set
+# TARGET_nios2 is not set
+# TARGET_or1k is not set
+# TARGET_powerpc is not set
+# TARGET_riscv64 is not set
+# TARGET_riscv32 is not set
+# TARGET_sh is not set
+# TARGET_sparc is not set
+# TARGET_sparc64 is not set
+# TARGET_tile is not set
+# TARGET_x86_64 is not set
+TARGET_xtensa=y
+TARGET_LDSO_NAME="ld-uClibc"
+TARGET_ARCH_BITS=32
+
+#
+# Target Architecture Features and Options
+#
+TARGET_ARCH="xtensa"
+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_ANY_ENDIAN=y
+ARCH_LITTLE_ENDIAN=y
+# ARCH_WANTS_BIG_ENDIAN is not set
+ARCH_WANTS_LITTLE_ENDIAN=y
+ARCH_HAS_MMU=y
+# ARCH_USE_MMU is not set
+UCLIBC_HAS_FLOATS=y
+UCLIBC_HAS_FPU=y
+DO_C99_MATH=y
+DO_XSI_MATH=y
+UCLIBC_HAS_LONG_DOUBLE_MATH=y
+KERNEL_HEADERS=""
+UCLIBC_UCLINUX_BROKEN_MUNMAP=y
+HAVE_DOT_CONFIG=y
+
+#
+# General Library Settings
+#
+DOPIC=y
+# STATIC_PIE is not set
+ARCH_HAS_NO_SHARED=y
+ARCH_HAS_NO_LDSO=y
+ARCH_HAS_UCONTEXT=y
+UCLIBC_CTOR_DTOR=y
+HAS_NO_THREADS=y
+# UCLIBC_HAS_LINUXTHREADS is not set
+# UCLIBC_HAS_THREADS_NATIVE is not set
+PTHREADS_STACK_DEFAULT_SIZE=2097152
+UCLIBC_HAS_SYSLOG=y
+UCLIBC_HAS_LFS=y
+MALLOC=y
+# MALLOC_SIMPLE is not set
+# MALLOC_STANDARD is not set
+UCLIBC_DYNAMIC_ATEXIT=y
+UCLIBC_HAS_UTMPX=y
+UCLIBC_HAS_UTMP=y
+UCLIBC_SUSV2_LEGACY=y
+UCLIBC_SUSV3_LEGACY=y
+# UCLIBC_HAS_CONTEXT_FUNCS is not set
+# 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_SPECIFIC=y
+UCLIBC_HAS_GNU_ERROR=y
+UCLIBC_BSD_SPECIFIC=y
+UCLIBC_HAS_BSD_ERR=y
+UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
+# UCLIBC_HAS_BSD_B64_NTOP_B64_PTON is not set
+# 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=y
+UCLIBC_HAS_SHA512_CRYPT_IMPL=y
+UCLIBC_HAS_CRYPT=y
+UCLIBC_HAS_NETWORK_SUPPORT=y
+UCLIBC_HAS_SOCKET=y
+UCLIBC_HAS_IPV4=y
+UCLIBC_HAS_IPV6=y
+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_DNSRAND_MODE_URANDOM is not set
+# UCLIBC_DNSRAND_MODE_CLOCK is not set
+UCLIBC_DNSRAND_MODE_PRNGPLUS=y
+# UCLIBC_DNSRAND_MODE_SIMPLECOUNTER is not set
+
+#
+# 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_LIBICONV is not set
+# UCLIBC_HAS_LIBINTL is not set
+# 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=y
+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
+UCLIBC_HAS_ARGP=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_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
diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile
index 40e9600a7..723b4ae5a 100644
--- a/toolchain/gcc/Makefile
+++ b/toolchain/gcc/Makefile
@@ -165,10 +165,6 @@ ifeq ($(ADK_TARGET_ARCH_METAG),y)
 GCC_CONFOPTS+=		--with-cpu=2.1 --enable-meta-default --disable-symvers
 endif
 
-ifeq ($(ADK_TARGET_CPU_CF),y)
-GCC_CONFOPTS+=		--with-arch=cf --disable-multilib
-endif
-
 ifeq ($(ADK_TARGET_ARCH_NDS32),y)
 GCC_CONFOPTS+=		--with-arch=v3
 endif
@@ -177,6 +173,16 @@ ifeq ($(ADK_TARGET_ARCH_M68K)$(ADK_TARGET_ARCH_X86_64)$(ADK_TARGET_ARCH_X86),)
 GCC_FINAL_CONFOPTS+=	--disable-biarch --disable-multilib
 endif
 
+ifeq ($(ADK_TARGET_CPU_CF),y)
+GCC_CONFOPTS+=		--with-arch=cf
+GCC_INITIAL_CONFOPTS+=	--enable-multilib
+ifeq ($(ADK_TARGET_BINFMT_ELF)$(ADK_TARGET_WITH_MMU),y)
+GCC_FINAL_CONFOPTS+=	--disable-multilib --disable-threads --disable-libatomic
+endif
+else
+GCC_INITIAL_CONFOPTS+=	--disable-multilib
+endif
+
 ifeq ($(ADK_TARGET_ARCH_SH),y)
 
 ifeq ($(ADK_TARGET_LITTLE_ENDIAN),y)
@@ -309,6 +315,10 @@ ifeq ($(ADK_TARGET_CPU_SH_SH4A),y)
 	(cd ${STAGING_TARGET_DIR}/ && ln -sf . m4a)
 endif
 endif
+	# Need to get gcc to generate _all_ the multilib variants
+	# (so both MMU and non-mmu M68k and ColdFire).
+	$(SED) 's/M68K_MLIB_CPU +=/#M68K_MLIB_CPU +=/' $(WRKBUILD)/gcc/config/m68k/t-m68k
+	$(SED) 's/&& (FLAGS ~ "FL_MMU")//' $(WRKBUILD)/gcc/config/m68k/t-linux
 	$(SED) '/k prot/agcc_cv_libc_provides_ssp=yes' $(WRKBUILD)/gcc/configure
 	cd $(GCC_BUILD_DIR_INITIAL); \
 		PATH='$(TARGET_PATH)' \
@@ -317,13 +327,13 @@ endif
 		CFLAGS="-O0 -g0 -fomit-frame-pointer" \
 		CXXFLAGS="-O0 -g0 -fomit-frame-pointer" \
 		$(WRKBUILD)/configure \
+			${GCC_INITIAL_CONFOPTS} \
 			${GCC_CONFOPTS} \
 			${GCC_TLS_CONFOPTS} \
 			--enable-languages=c \
 			--with-newlib \
 			--disable-shared \
 			--disable-threads \
-			--disable-multilib \
 			--without-headers
 	touch $@
 
diff --git a/toolchain/uclibc-ng/Makefile b/toolchain/uclibc-ng/Makefile
index 5b0a6fdef..6b1fd31ce 100644
--- a/toolchain/uclibc-ng/Makefile
+++ b/toolchain/uclibc-ng/Makefile
@@ -50,8 +50,13 @@ UCLIBC_MAKEOPTS+=	-j${ADK_MAKE_JOBS}
 endif
 
 $(WRKBUILD)/.configured: $(WRKBUILD)/.prepared
+ifeq ($(ADK_TARGET_WITH_MMU),y)
 	PATH='$(HOST_PATH)' sed -e 's
^KERNEL_HEADERS.*$$
KERNEL_HEADERS=\"${STAGING_TARGET_DIR}/usr/include\"
' \
 	    $(ADK_TOPDIR)/target/$(ADK_TARGET_ARCH)/uclibc-ng.config >${WRKBUILD}/.config
+else
+	PATH='$(HOST_PATH)' sed -e 's
^KERNEL_HEADERS.*$$
KERNEL_HEADERS=\"${STAGING_TARGET_DIR}/usr/include\"
' \
+	    $(ADK_TOPDIR)/target/$(ADK_TARGET_ARCH)/uclibc-ng-nommu.config >${WRKBUILD}/.config
+endif
 	$(SED) 's^.*\(CROSS_COMPILER_PREFIX\).*^\1=\"$(TARGET_CROSS)\"^' ${WRKBUILD}/.config
 ifeq ($(ADK_TARGET_ENDIAN),little)
 	$(SED) 's/.*\(ARCH_LITTLE_ENDIAN\).*/\1=y/' ${WRKBUILD}/.config
@@ -80,6 +85,13 @@ ifeq ($(ADK_TARGET_HARD_FLOAT_DP),y)
 	$(SED) 's/.*\(UCLIBC_HAS_FPU\).*/\1=y/' ${WRKBUILD}/.config
 	$(SED) 's/.*\(UCLIBC_HAS_SOFT_FLOAT\).*/# \1 is not set/' ${WRKBUILD}/.config
 endif
+ifeq ($(ADK_TARGET_BINFMT_ELF),y)
+	$(SED) 's/.*\(UCLIBC_FORMAT_ELF\).*/\1=y/' ${WRKBUILD}/.config
+	$(SED) 's/.*\(UCLIBC_FORMAT_FDPIC_ELF\).*/# \1 is not set/' ${WRKBUILD}/.config
+	$(SED) 's/.*\(UCLIBC_FORMAT_FLAT\).*/# \1 is not set/' ${WRKBUILD}/.config
+	$(SED) 's/.*\(UCLIBC_FORMAT_FLAT_SEP_DATA\).*/# \1 is not set/' ${WRKBUILD}/.config
+	$(SED) 's/.*\(UCLIBC_FORMAT_SHARED_FLAT\).*/# \1 is not set/' ${WRKBUILD}/.config
+endif
 ifeq ($(ADK_TARGET_BINFMT_FDPIC),y)
 	$(SED) 's/.*\(UCLIBC_FORMAT_FDPIC_ELF\).*/\1=y/' ${WRKBUILD}/.config
 	$(SED) 's/.*\(UCLIBC_FORMAT_ELF\).*/# \1 is not set/' ${WRKBUILD}/.config
@@ -376,6 +388,8 @@ $(WRKBUILD)/.installed: $(WRKBUILD)/.compiled
 		UCLIBC_EXTRA_LDFLAGS="$(TARGET_LDFLAGS)" \
 		VERBOSE=1 \
 		install_runtime install_dev
+	ln -f ${STAGING_TARGET_DIR}/usr/lib/crt1.o \
+		${STAGING_TARGET_DIR}/usr/lib/Scrt1.o
 ifeq ($(ADK_TARGET_LIBC_UTILS),y)
 	PATH='$(HOST_PATH)' $(MAKE) -C $(WRKBUILD) \
 		ARCH="$(ADK_TARGET_ARCH)" \