Merge the uClinux/noMMU stuff back to /trunk:

- merge Linux and uClinux back to a single kernel
- add ARCH_USE_MMU and acquainted config options that
  architectures can auto-select
- make binutils and elf2flt two "Binary utilities" that
  go in a single common sub-{menu,directory} structure

 -------- diffstat follows --------
 /trunk/scripts/build/kernel/uclinux.sh      |    2     0     2     0 -
 /trunk/scripts/build/kernel/linux.sh        |  206   204     2     0 +++++++++++++++++++++++++++++
 /trunk/scripts/build/kernel/linux-common.sh |  198     0   198     0 ----------------------------
 /trunk/scripts/build/binutils.sh            |  232     0   232     0 --------------------------------
 /trunk/scripts/build/elf2flt.sh             |  150     0   150     0 ---------------------
 /trunk/scripts/crosstool-NG.sh.in           |    6     4     2     0 +
 /trunk/config/kernel/linux.in               |  249   249     0     0 +++++++++++++++++++++++++++++++++++
 /trunk/config/kernel/linux.in-common        |  252     0   252     0 -----------------------------------
 /trunk/config/kernel/uclinux.in             |   21     0    21     0 ---
 /trunk/config/target.in                     |   23    22     1     0 +++
 /trunk/config/elf2flt.in                    |   49     0    49     0 -------
 /trunk/config/libc/glibc.in                 |    2     1     1     0
 /trunk/config/libc/eglibc.in                |    2     1     1     0
 /trunk/config/config.in                     |    1     0     1     0 -
 /trunk/config/arch/sh.in                    |    1     1     0     0 +
 /trunk/config/arch/arm.in                   |    2     1     1     0
 /trunk/config/arch/powerpc.in               |    1     1     0     0 +
 /trunk/config/arch/ia64.in                  |    1     1     0     0 +
 /trunk/config/arch/alpha.in                 |    1     1     0     0 +
 /trunk/config/arch/x86.in                   |    1     1     0     0 +
 /trunk/config/arch/mips.in                  |    1     1     0     0 +
 /trunk/config/arch/powerpc64.in             |    1     1     0     0 +
 22 files changed, 489 insertions(+), 913 deletions(-)

18 files changed, 467 insertions, 421 deletions

diff --git a/config/arch/alpha.in b/config/arch/alpha.in
index cf8157a..46473f6 100644
--- a/config/arch/alpha.in
+++ b/config/arch/alpha.in
@@ -1,6 +1,7 @@
 # Alpha specific configuration file
 
 config ARCH_alpha
+    select ARCH_USE_MMU
     select ARCH_SUPPORT_CPU
     select ARCH_SUPPORT_TUNE
     help
diff --git a/config/arch/arm.in b/config/arch/arm.in
index a3c3d97..49470d1 100644
--- a/config/arch/arm.in
+++ b/config/arch/arm.in
@@ -1,6 +1,7 @@
 # ARM specific configuration file
 
 config ARCH_arm
+    select ARCH_USE_MMU
     select ARCH_SUPPORTS_BOTH_ENDIAN
     select ARCH_DEFAULT_LE
     select ARCH_SUPPORT_ARCH
@@ -23,4 +24,3 @@ config ARCH_ARM_ABI_OK
     default y
     depends on ! ARCH_ARM_EABI
     select ARCH_SUPPORT_ABI
-
diff --git a/config/arch/ia64.in b/config/arch/ia64.in
index c2ba3ee..104be9e 100644
--- a/config/arch/ia64.in
+++ b/config/arch/ia64.in
@@ -2,6 +2,7 @@
 # depends on EXPERIMENTAL
 
 config ARCH_ia64
+    select ARCH_USE_MMU
     select ARCH_64
     select ARCH_SUPPORTS_BOTH_ENDIAN
     help
diff --git a/config/arch/mips.in b/config/arch/mips.in
index 0f91e83..1ad8f4f 100644
--- a/config/arch/mips.in
+++ b/config/arch/mips.in
@@ -1,6 +1,7 @@
 # MIPS specific config options
 
 config ARCH_mips
+    select ARCH_USE_MMU
     select ARCH_SUPPORTS_BOTH_ENDIAN
     select ARCH_DEFAULT_BE
     select ARCH_SUPPORT_ARCH
diff --git a/config/arch/powerpc.in b/config/arch/powerpc.in
index 07d1672..53a8c3b 100644
--- a/config/arch/powerpc.in
+++ b/config/arch/powerpc.in
@@ -1,6 +1,7 @@
 # powerpc specific configuration file
 
 config ARCH_powerpc
+    select ARCH_USE_MMU
     select ARCH_SUPPORT_ABI
     select ARCH_SUPPORT_CPU
     select ARCH_SUPPORT_TUNE
diff --git a/config/arch/powerpc64.in b/config/arch/powerpc64.in
index 29b756b..c6d35e1 100644
--- a/config/arch/powerpc64.in
+++ b/config/arch/powerpc64.in
@@ -2,6 +2,7 @@
 # depends on EXPERIMENTAL
 
 config ARCH_powerpc64
+    select ARCH_USE_MMU
     select ARCH_64
     select ARCH_SUPPORT_ABI
     select ARCH_SUPPORT_CPU
diff --git a/config/arch/sh.in b/config/arch/sh.in
index 57c2702..eceebbe 100644
--- a/config/arch/sh.in
+++ b/config/arch/sh.in
@@ -2,6 +2,7 @@
 # depends on EXPERIMENTAL
 
 config ARCH_sh
+    select ARCH_USE_MMU
     select ARCH_SUPPORTS_BOTH_ENDIAN
     select ARCH_DEFAULT_LE
     help
diff --git a/config/arch/x86.in b/config/arch/x86.in
index 4a5c2f8..825f6c0 100644
--- a/config/arch/x86.in
+++ b/config/arch/x86.in
@@ -1,6 +1,7 @@
 # x86 specific options
 
 config ARCH_x86
+    select ARCH_USE_MMU
     select ARCH_SUPPORT_ARCH
     select ARCH_SUPPORT_CPU
     select ARCH_SUPPORT_TUNE
diff --git a/config/binutils.in b/config/binutils.in
index 119e3d3..836d251 100644
--- a/config/binutils.in
+++ b/config/binutils.in
@@ -1,160 +1,44 @@
-# binutils options
+# Binary utilities menu
 
-menu "binutils"
-
-config BINUTILS_VERSION
-    string
+menu "Binary utilities"
 
 choice
     bool
-    prompt "binutils version"
-
-config BINUTILS_V_2_14
-    bool
-    prompt "2.14 (OBSOLETE)"
-    depends on OBSOLETE
+    prompt "Binary format:"
 
-config BINUTILS_V_2_15
-    bool
-    prompt "2.15 (OBSOLETE)"
-    depends on OBSOLETE
-
-config BINUTILS_V_2_16_1
-    bool
-    prompt "2.16.1"
+if ARCH_USE_MMU
 
-config BINUTILS_V_2_17
+config ARCH_BINFMT_ELF
     bool
-    prompt "2.17"
-
-config BINUTILS_V_2_18
-    bool
-    prompt "2.18"
-
-config BINUTILS_V_2_18_50_0_4
-    bool
-    prompt "2.18.50.0.4 (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
-
-config BINUTILS_V_2_18_50_0_6
-    bool
-    prompt "2.18.50.0.6 (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
-
-config BINUTILS_V_2_18_50_0_7
-    bool
-    prompt "2.18.50.0.7 (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
-
-config BINUTILS_V_2_18_50_0_8
-    bool
-    prompt "2.18.50.0.8 (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
-
-config BINUTILS_V_2_18_50_0_9
-    bool
-    prompt "2.18.50.0.9 (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
-
-config BINUTILS_V_2_18_90
-    bool
-    prompt "2.18.90 (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
-
-config BINUTILS_V_2_18_91
-    bool
-    prompt "2.18.91 (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
-
-config BINUTILS_V_2_18_92
-    bool
-    prompt "2.18.92 (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
-
-config BINUTILS_V_2_18_93
-    bool
-    prompt "2.18.93 (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
-
-config BINUTILS_V_2_19
-    bool
-    prompt "2.19"
-
-config BINUTILS_V_2_19_1
-    bool
-    prompt "2.19.1"
+    prompt "ELF"
+    help
+      This will make your system build ELF exectubales,
+      suitable for architectures with an MMU.
 
-config BINUTILS_V_2_19_50_0_1
-    bool
-    prompt "2.19.50.0.1 (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
+endif # ARCH_USE_MMU
 
-config BINUTILS_V_2_19_51_0_1
-    bool
-    prompt "2.19.51.0.1  (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
+if ! ARCH_USE_MMU
 
-config BINUTILS_V_2_19_51_0_2
+config ARCH_BINFMT_FLAT
     bool
-    prompt "2.19.51.0.2  (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
-
-# CT_INSERT_VERSION_ABOVE
-# Don't remove above line!
-endchoice
-
-config BINUTILS_VERSION
-    string
-    default "2.14" if BINUTILS_V_2_14
-    default "2.15" if BINUTILS_V_2_15
-    default "2.16.1" if BINUTILS_V_2_16_1
-    default "2.17" if BINUTILS_V_2_17
-    default "2.18" if BINUTILS_V_2_18
-    default "2.18.50.0.4" if BINUTILS_V_2_18_50_0_4
-    default "2.18.50.0.6" if BINUTILS_V_2_18_50_0_6
-    default "2.18.50.0.7" if BINUTILS_V_2_18_50_0_7
-    default "2.18.50.0.8" if BINUTILS_V_2_18_50_0_8
-    default "2.18.50.0.9" if BINUTILS_V_2_18_50_0_9
-    default "2.18.90" if BINUTILS_V_2_18_90
-    default "2.18.91" if BINUTILS_V_2_18_91
-    default "2.18.92" if BINUTILS_V_2_18_92
-    default "2.18.93" if BINUTILS_V_2_18_93
-    default "2.19" if BINUTILS_V_2_19
-    default "2.19.1" if BINUTILS_V_2_19_1
-    default "2.19.50.0.1" if BINUTILS_V_2_19_50_0_1
-    default "2.19.51.0.1" if BINUTILS_V_2_19_51_0_1
-    default "2.19.51.0.2" if BINUTILS_V_2_19_51_0_2
-# CT_INSERT_VERSION_STRING_ABOVE
-# Don't remove above line!
-
-config BINUTILS_EXTRA_CONFIG
-    string
-    prompt "binutils extra config"
-    default ""
+    prompt "Flat"
     help
-      Extra flags passed onto ./configure when configuring
+      This will build flat binaries, suitable for
+      MMU-less architectures.
 
-config BINUTILS_FOR_TARGET
+config ARCH_BINFMT_FDPIC
     bool
-    prompt "binutils libraries for the target"
-    depends on ! BARE_METAL
-    default n
+    prompt "FD_PIC ELF"
     help
-      Some utilities may need binutils libraries to be available on
-      the target, eg. oprofile.
-
-if BINUTILS_FOR_TARGET
+      This will build FD_PIC ELF binaries, suitable for
+      MMU-less architectures that still require to use
+      shared libraries (FIXME).
 
-config BINUTILS_FOR_TARGET_IBERTY
-    bool
-    prompt "libiberty"
-    default y
+endif # ! ARCH_USE_MMU
 
-config BINUTILS_FOR_TARGET_BFD
-    bool
-    prompt "libbfd"
-    default y
+endchoice
 
-endif # BINUTILS_FOR_TARGET
+source config/binutils/binutils.in
+source config/binutils/elf2flt.in
 
 endmenu
diff --git a/config/binutils/binutils.in b/config/binutils/binutils.in
new file mode 100644
index 0000000..5473d84
--- /dev/null
+++ b/config/binutils/binutils.in
@@ -0,0 +1,158 @@
+# binutils options
+
+comment "GNU binutils"
+
+config BINUTILS_VERSION
+    string
+
+choice
+    bool
+    prompt "binutils version"
+
+config BINUTILS_V_2_14
+    bool
+    prompt "2.14 (OBSOLETE)"
+    depends on OBSOLETE
+
+config BINUTILS_V_2_15
+    bool
+    prompt "2.15 (OBSOLETE)"
+    depends on OBSOLETE
+
+config BINUTILS_V_2_16_1
+    bool
+    prompt "2.16.1"
+
+config BINUTILS_V_2_17
+    bool
+    prompt "2.17"
+
+config BINUTILS_V_2_18
+    bool
+    prompt "2.18"
+
+config BINUTILS_V_2_18_50_0_4
+    bool
+    prompt "2.18.50.0.4 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config BINUTILS_V_2_18_50_0_6
+    bool
+    prompt "2.18.50.0.6 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config BINUTILS_V_2_18_50_0_7
+    bool
+    prompt "2.18.50.0.7 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config BINUTILS_V_2_18_50_0_8
+    bool
+    prompt "2.18.50.0.8 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config BINUTILS_V_2_18_50_0_9
+    bool
+    prompt "2.18.50.0.9 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config BINUTILS_V_2_18_90
+    bool
+    prompt "2.18.90 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config BINUTILS_V_2_18_91
+    bool
+    prompt "2.18.91 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config BINUTILS_V_2_18_92
+    bool
+    prompt "2.18.92 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config BINUTILS_V_2_18_93
+    bool
+    prompt "2.18.93 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config BINUTILS_V_2_19
+    bool
+    prompt "2.19"
+
+config BINUTILS_V_2_19_1
+    bool
+    prompt "2.19.1"
+
+config BINUTILS_V_2_19_50_0_1
+    bool
+    prompt "2.19.50.0.1 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config BINUTILS_V_2_19_51_0_1
+    bool
+    prompt "2.19.51.0.1  (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+config BINUTILS_V_2_19_51_0_2
+    bool
+    prompt "2.19.51.0.2  (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+# CT_INSERT_VERSION_ABOVE
+# Don't remove above line!
+endchoice
+
+config BINUTILS_VERSION
+    string
+    default "2.14" if BINUTILS_V_2_14
+    default "2.15" if BINUTILS_V_2_15
+    default "2.16.1" if BINUTILS_V_2_16_1
+    default "2.17" if BINUTILS_V_2_17
+    default "2.18" if BINUTILS_V_2_18
+    default "2.18.50.0.4" if BINUTILS_V_2_18_50_0_4
+    default "2.18.50.0.6" if BINUTILS_V_2_18_50_0_6
+    default "2.18.50.0.7" if BINUTILS_V_2_18_50_0_7
+    default "2.18.50.0.8" if BINUTILS_V_2_18_50_0_8
+    default "2.18.50.0.9" if BINUTILS_V_2_18_50_0_9
+    default "2.18.90" if BINUTILS_V_2_18_90
+    default "2.18.91" if BINUTILS_V_2_18_91
+    default "2.18.92" if BINUTILS_V_2_18_92
+    default "2.18.93" if BINUTILS_V_2_18_93
+    default "2.19" if BINUTILS_V_2_19
+    default "2.19.1" if BINUTILS_V_2_19_1
+    default "2.19.50.0.1" if BINUTILS_V_2_19_50_0_1
+    default "2.19.51.0.1" if BINUTILS_V_2_19_51_0_1
+    default "2.19.51.0.2" if BINUTILS_V_2_19_51_0_2
+# CT_INSERT_VERSION_STRING_ABOVE
+# Don't remove above line!
+
+config BINUTILS_EXTRA_CONFIG
+    string
+    prompt "binutils extra config"
+    default ""
+    help
+      Extra flags passed onto ./configure when configuring
+
+config BINUTILS_FOR_TARGET
+    bool
+    prompt "binutils libraries for the target"
+    depends on ! BARE_METAL
+    default n
+    help
+      Some utilities may need binutils libraries to be available on
+      the target, eg. oprofile.
+
+if BINUTILS_FOR_TARGET
+
+config BINUTILS_FOR_TARGET_IBERTY
+    bool
+    prompt "libiberty"
+    default y
+
+config BINUTILS_FOR_TARGET_BFD
+    bool
+    prompt "libbfd"
+    default y
+
+endif # BINUTILS_FOR_TARGET
diff --git a/config/elf2flt.in b/config/binutils/elf2flt.in
index eae69fc..0b1ef72 100644
--- a/config/elf2flt.in
+++ b/config/binutils/elf2flt.in
@@ -1,7 +1,8 @@
 # elf2flt options
 
-menu "elf2flt"
-    depends on KERNEL_UCLINUX_BINFMT_FLAT
+if ARCH_BINFMT_FLAT
+
+comment "elf2flt"
 
 config ELF2FLT_VERSION
     string
@@ -46,4 +47,4 @@ config ELF2FLT_EXTRA_CONFIG
     help
       Extra flags passed onto ./configure when configuring
 
-endmenu
+endif
diff --git a/config/config.in b/config/config.in
index 73b4b02..14e1a41 100644
--- a/config/config.in
+++ b/config/config.in
@@ -4,7 +4,6 @@ source config/toolchain.in
 source config/kernel.in
 source config/companion_libs.in
 source config/binutils.in
-source config/elf2flt.in
 source config/cc.in
 source config/libc.in
 source config/tools.in
diff --git a/config/kernel/linux.in b/config/kernel/linux.in
index fdc40fb..f08076d 100644
--- a/config/kernel/linux.in
+++ b/config/kernel/linux.in
@@ -1,6 +1,255 @@
 # Linux kernel options
 
+# Linux kernel options
+
 config KERNEL_linux
     help
       Build a toolchain targeting systems running Linux as a kernel.
 
+choice
+    bool
+    prompt "Get kernel headers from:"
+
+config KERNEL_LINUX_INSTALL
+    bool
+    prompt "kernel's 'headers_install'"
+    help
+      This will make use of the new headers_install rule in recent kernels.
+      This is most probably what you want to use.
+
+if KERNEL_LINUX_INSTALL
+
+config KERNEL_LINUX_INSTALL_CHECK
+    bool
+    prompt "Check installed headers"
+    default y
+    help
+      If you are in doubt that installed headers are buggy, say 'Y'
+      here to have an extra check passed onto the headers.
+
+choice
+    bool
+    prompt "Linux kernel version"
+
+config KERNEL_V_2_6_18_8
+    bool
+    prompt "2.6.18.8 (OBSOLETE)"
+    depends on OBSOLETE
+
+config KERNEL_V_2_6_19_7
+    bool
+    prompt "2.6.19.7 (OBSOLETE)"
+    depends on OBSOLETE
+
+config KERNEL_V_2_6_20_21
+    bool
+    prompt "2.6.20.21 (OBSOLETE)"
+    depends on OBSOLETE
+
+config KERNEL_V_2_6_21_7
+    bool
+    prompt "2.6.21.7 (OBSOLETE)"
+    depends on OBSOLETE
+
+config KERNEL_V_2_6_22_19
+    bool
+    prompt "2.6.22.19 (OBSOLETE)"
+    depends on OBSOLETE
+
+config KERNEL_V_2_6_23_17
+    bool
+    prompt "2.6.23.17 (OBSOLETE)"
+    depends on OBSOLETE
+
+config KERNEL_V_2_6_24_7
+    bool
+    prompt "2.6.24.7 (OBSOLETE)"
+    depends on OBSOLETE
+
+config KERNEL_V_2_6_25_20
+    bool
+    prompt "2.6.25.20 (OBSOLETE)"
+    depends on OBSOLETE
+
+config KERNEL_V_2_6_26_8
+    bool
+    prompt "2.6.26.8 (OBSOLETE)"
+    depends on OBSOLETE
+
+config KERNEL_V_2_6_27_22
+    bool
+    prompt "2.6.27.22 (OBSOLETE)"
+    depends on OBSOLETE
+
+config KERNEL_V_2_6_28
+    bool
+    prompt "2.6.28"
+
+config KERNEL_V_2_6_28_1
+    bool
+    prompt "2.6.28.1"
+
+config KERNEL_V_2_6_28_2
+    bool
+    prompt "2.6.28.2"
+
+config KERNEL_V_2_6_28_3
+    bool
+    prompt "2.6.28.3"
+
+config KERNEL_V_2_6_28_4
+    bool
+    prompt "2.6.28.4"
+
+config KERNEL_V_2_6_28_5
+    bool
+    prompt "2.6.28.5"
+
+config KERNEL_V_2_6_28_6
+    bool
+    prompt "2.6.28.6"
+
+config KERNEL_V_2_6_28_7
+    bool
+    prompt "2.6.28.7"
+
+config KERNEL_V_2_6_28_8
+    bool
+    prompt "2.6.28.8"
+
+config KERNEL_V_2_6_28_9
+    bool
+    prompt "2.6.28.9"
+
+config KERNEL_V_2_6_28_10
+    bool
+    prompt "2.6.28.10"
+
+config KERNEL_V_2_6_29
+    bool
+    prompt "2.6.29"
+
+config KERNEL_V_2_6_29_1
+    bool
+    prompt "2.6.29.1"
+
+config KERNEL_V_2_6_29_2
+    bool
+    prompt "2.6.29.2"
+
+# CT_INSERT_VERSION_ABOVE
+# Don't remove above line!
+
+config KERNEL_V_select
+    bool
+    prompt "Other version (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
+endchoice
+
+config KERNEL_VERSION
+    string
+    prompt "Kernel version" if KERNEL_V_select
+    default "2.6.18.8" if KERNEL_V_2_6_18_8
+    default "2.6.19.7" if KERNEL_V_2_6_19_7
+    default "2.6.20.21" if KERNEL_V_2_6_20_21
+    default "2.6.21.7" if KERNEL_V_2_6_21_7
+    default "2.6.22.19" if KERNEL_V_2_6_22_19
+    default "2.6.23.17" if KERNEL_V_2_6_23_17
+    default "2.6.24.7" if KERNEL_V_2_6_24_7
+    default "2.6.25.20" if KERNEL_V_2_6_25_20
+    default "2.6.26.8" if KERNEL_V_2_6_26_8
+    default "2.6.27.22" if KERNEL_V_2_6_27_22
+    default "2.6.28" if KERNEL_V_2_6_28
+    default "2.6.28.1" if KERNEL_V_2_6_28_1
+    default "2.6.28.2" if KERNEL_V_2_6_28_2
+    default "2.6.28.3" if KERNEL_V_2_6_28_3
+    default "2.6.28.4" if KERNEL_V_2_6_28_4
+    default "2.6.28.5" if KERNEL_V_2_6_28_5
+    default "2.6.28.6" if KERNEL_V_2_6_28_6
+    default "2.6.28.7" if KERNEL_V_2_6_28_7
+    default "2.6.28.8" if KERNEL_V_2_6_28_8
+    default "2.6.28.9" if KERNEL_V_2_6_28_9
+    default "2.6.28.10" if KERNEL_V_2_6_28_10
+    default "2.6.29" if KERNEL_V_2_6_29
+    default "2.6.29.1" if KERNEL_V_2_6_29_1
+    default "2.6.29.2" if KERNEL_V_2_6_29_2
+# CT_INSERT_VERSION_STRING_ABOVE
+# Don't remove above line!
+    help
+      Enter here the kernel version you want to use, if it is
+      not listed above. Something like V.P.S or V.P.S.E, where:
+        V: VERSION
+        P: PATCHLEVEL
+        S: SUBLEVEL
+        E: EXTRAVERSION
+
+choice
+    bool
+    prompt "Kernel verbosity:"
+    default KERNEL_LINUX_VERBOSITY_0
+
+config KERNEL_LINUX_VERBOSITY_0
+    bool
+    prompt "Simplified"
+    help
+      Print simplified command lines.
+
+config KERNEL_LINUX_VERBOSITY_1
+    bool
+    prompt "Full commands"
+    help
+      Print full command lines.
+
+config KERNEL_LINUX_VERBOSITY_2
+    bool
+    prompt "Exec reasons"
+    help
+      Print the reasons why a make target is rebuild.
+
+endchoice
+
+config KERNEL_LINUX_VERBOSE_LEVEL
+    int
+    default 0 if KERNEL_LINUX_VERBOSITY_0
+    default 1 if KERNEL_LINUX_VERBOSITY_1
+    default 2 if KERNEL_LINUX_VERBOSITY_2
+
+endif
+
+config KERNEL_LINUX_USE_CUSTOM_HEADERS
+    bool
+    prompt "Use custom headers"
+    help
+      If you have some kernel headers lying around, you can enter the path
+      below.
+
+if KERNEL_LINUX_USE_CUSTOM_HEADERS
+
+config KERNEL_LINUX_CUSTOM_IS_TARBALL
+    bool
+    prompt "This is a tarball"
+    default n
+    help
+      If you say 'n' here, the path below is expected to point to a directory
+      containing readily prepared headers
+      
+      If you say 'y' here, then the path below is expected to point to a
+      tarball of such a directory.
+      
+      Eg., if your headers are available in: /foo/bar/buz/my_hdrs/include,
+      say 'n' here, and enter: /foo/bar/buz/my_hdrs below.
+      
+      Now, passing a tarball around is easier than passing a directory, so
+      if you want to, you can make a tarball of /foo/bar/buz/my_hdrs/include,
+      say 'y' here, and enter the path to this tarball below.
+
+config KERNEL_LINUX_CUSTOM_PATH
+    string
+    prompt "Path to custom headers directory/tarball"
+    help
+      See KERNEL_LINUX_CUSTOM_IS_TARBALL, above.
+
+endif # KERNEL_LINUX_USE_CUSTOM_DIR
+
+endchoice
diff --git a/config/kernel/linux.in-common b/config/kernel/linux.in-common
deleted file mode 100644
index 4a01799..0000000
--- a/config/kernel/linux.in-common
+++ /dev/null
@@ -1,252 +0,0 @@
-# Linux kernel options
-
-if KERNEL_linux || KERNEL_uclinux
-
-choice
-    bool
-    prompt "Get kernel headers from:"
-
-config KERNEL_LINUX_INSTALL
-    bool
-    prompt "kernel's 'headers_install'"
-    help
-      This will make use of the new headers_install rule in recent kernels.
-      This is most probably what you want to use.
-
-if KERNEL_LINUX_INSTALL
-
-config KERNEL_LINUX_INSTALL_CHECK
-    bool
-    prompt "Check installed headers"
-    default y
-    help
-      If you are in doubt that installed headers are buggy, say 'Y'
-      here to have an extra check passed onto the headers.
-
-choice
-    bool
-    prompt "Linux kernel version"
-
-config KERNEL_V_2_6_18_8
-    bool
-    prompt "2.6.18.8 (OBSOLETE)"
-    depends on OBSOLETE
-
-config KERNEL_V_2_6_19_7
-    bool
-    prompt "2.6.19.7 (OBSOLETE)"
-    depends on OBSOLETE
-
-config KERNEL_V_2_6_20_21
-    bool
-    prompt "2.6.20.21 (OBSOLETE)"
-    depends on OBSOLETE
-
-config KERNEL_V_2_6_21_7
-    bool
-    prompt "2.6.21.7 (OBSOLETE)"
-    depends on OBSOLETE
-
-config KERNEL_V_2_6_22_19
-    bool
-    prompt "2.6.22.19 (OBSOLETE)"
-    depends on OBSOLETE
-
-config KERNEL_V_2_6_23_17
-    bool
-    prompt "2.6.23.17 (OBSOLETE)"
-    depends on OBSOLETE
-
-config KERNEL_V_2_6_24_7
-    bool
-    prompt "2.6.24.7 (OBSOLETE)"
-    depends on OBSOLETE
-
-config KERNEL_V_2_6_25_20
-    bool
-    prompt "2.6.25.20 (OBSOLETE)"
-    depends on OBSOLETE
-
-config KERNEL_V_2_6_26_8
-    bool
-    prompt "2.6.26.8 (OBSOLETE)"
-    depends on OBSOLETE
-
-config KERNEL_V_2_6_27_22
-    bool
-    prompt "2.6.27.22 (OBSOLETE)"
-    depends on OBSOLETE
-
-config KERNEL_V_2_6_28
-    bool
-    prompt "2.6.28"
-
-config KERNEL_V_2_6_28_1
-    bool
-    prompt "2.6.28.1"
-
-config KERNEL_V_2_6_28_2
-    bool
-    prompt "2.6.28.2"
-
-config KERNEL_V_2_6_28_3
-    bool
-    prompt "2.6.28.3"
-
-config KERNEL_V_2_6_28_4
-    bool
-    prompt "2.6.28.4"
-
-config KERNEL_V_2_6_28_5
-    bool
-    prompt "2.6.28.5"
-
-config KERNEL_V_2_6_28_6
-    bool
-    prompt "2.6.28.6"
-
-config KERNEL_V_2_6_28_7
-    bool
-    prompt "2.6.28.7"
-
-config KERNEL_V_2_6_28_8
-    bool
-    prompt "2.6.28.8"
-
-config KERNEL_V_2_6_28_9
-    bool
-    prompt "2.6.28.9"
-
-config KERNEL_V_2_6_28_10
-    bool
-    prompt "2.6.28.10"
-
-config KERNEL_V_2_6_29
-    bool
-    prompt "2.6.29"
-
-config KERNEL_V_2_6_29_1
-    bool
-    prompt "2.6.29.1"
-
-config KERNEL_V_2_6_29_2
-    bool
-    prompt "2.6.29.2"
-
-# CT_INSERT_VERSION_ABOVE
-# Don't remove above line!
-
-config KERNEL_V_select
-    bool
-    prompt "Other version (EXPERIMENTAL)"
-    depends on EXPERIMENTAL
-
-endchoice
-
-config KERNEL_VERSION
-    string
-    prompt "Kernel version" if KERNEL_V_select
-    default "2.6.18.8" if KERNEL_V_2_6_18_8
-    default "2.6.19.7" if KERNEL_V_2_6_19_7
-    default "2.6.20.21" if KERNEL_V_2_6_20_21
-    default "2.6.21.7" if KERNEL_V_2_6_21_7
-    default "2.6.22.19" if KERNEL_V_2_6_22_19
-    default "2.6.23.17" if KERNEL_V_2_6_23_17
-    default "2.6.24.7" if KERNEL_V_2_6_24_7
-    default "2.6.25.20" if KERNEL_V_2_6_25_20
-    default "2.6.26.8" if KERNEL_V_2_6_26_8
-    default "2.6.27.22" if KERNEL_V_2_6_27_22
-    default "2.6.28" if KERNEL_V_2_6_28
-    default "2.6.28.1" if KERNEL_V_2_6_28_1
-    default "2.6.28.2" if KERNEL_V_2_6_28_2
-    default "2.6.28.3" if KERNEL_V_2_6_28_3
-    default "2.6.28.4" if KERNEL_V_2_6_28_4
-    default "2.6.28.5" if KERNEL_V_2_6_28_5
-    default "2.6.28.6" if KERNEL_V_2_6_28_6
-    default "2.6.28.7" if KERNEL_V_2_6_28_7
-    default "2.6.28.8" if KERNEL_V_2_6_28_8
-    default "2.6.28.9" if KERNEL_V_2_6_28_9
-    default "2.6.28.10" if KERNEL_V_2_6_28_10
-    default "2.6.29" if KERNEL_V_2_6_29
-    default "2.6.29.1" if KERNEL_V_2_6_29_1
-    default "2.6.29.2" if KERNEL_V_2_6_29_2
-# CT_INSERT_VERSION_STRING_ABOVE
-# Don't remove above line!
-    help
-      Enter here the kernel version you want to use, if it is
-      not listed above. Something like V.P.S or V.P.S.E, where:
-        V: VERSION
-        P: PATCHLEVEL
-        S: SUBLEVEL
-        E: EXTRAVERSION
-
-choice
-    bool
-    prompt "Kernel verbosity:"
-    default KERNEL_LINUX_VERBOSITY_0
-
-config KERNEL_LINUX_VERBOSITY_0
-    bool
-    prompt "Simplified"
-    help
-      Print simplified command lines.
-
-config KERNEL_LINUX_VERBOSITY_1
-    bool
-    prompt "Full commands"
-    help
-      Print full command lines.
-
-config KERNEL_LINUX_VERBOSITY_2
-    bool
-    prompt "Exec reasons"
-    help
-      Print the reasons why a make target is rebuild.
-
-endchoice
-
-config KERNEL_LINUX_VERBOSE_LEVEL
-    int
-    default 0 if KERNEL_LINUX_VERBOSITY_0
-    default 1 if KERNEL_LINUX_VERBOSITY_1
-    default 2 if KERNEL_LINUX_VERBOSITY_2
-
-endif
-
-config KERNEL_LINUX_USE_CUSTOM_HEADERS
-    bool
-    prompt "Use custom headers"
-    help
-      If you have some kernel headers lying around, you can enter the path
-      below.
-
-if KERNEL_LINUX_USE_CUSTOM_HEADERS
-
-config KERNEL_LINUX_CUSTOM_IS_TARBALL
-    bool
-    prompt "This is a tarball"
-    default n
-    help
-      If you say 'n' here, the path below is expected to point to a directory
-      containing readily prepared headers
-      
-      If you say 'y' here, then the path below is expected to point to a
-      tarball of such a directory.
-      
-      Eg., if your headers are available in: /foo/bar/buz/my_hdrs/include,
-      say 'n' here, and enter: /foo/bar/buz/my_hdrs below.
-      
-      Now, passing a tarball around is easier than passing a directory, so
-      if you want to, you can make a tarball of /foo/bar/buz/my_hdrs/include,
-      say 'y' here, and enter the path to this tarball below.
-
-config KERNEL_LINUX_CUSTOM_PATH
-    string
-    prompt "Path to custom headers directory/tarball"
-    help
-      See KERNEL_LINUX_CUSTOM_IS_TARBALL, above.
-
-endif # KERNEL_LINUX_USE_CUSTOM_DIR
-
-endchoice
-endif
diff --git a/config/kernel/uclinux.in b/config/kernel/uclinux.in
deleted file mode 100644
index b4997c0..0000000
--- a/config/kernel/uclinux.in
+++ /dev/null
@@ -1,21 +0,0 @@
-# uClinux kernel options
-# depends on EXPERIMENTAL
-
-config KERNEL_uclinux
-    help
-      Build a toolchain targeting systems running uClinux as a kernel.
-
-choice
-    bool
-    depends on KERNEL_uclinux
-    prompt "noMMU binary format"
-
-config KERNEL_UCLINUX_BINFMT_FLAT
-    bool
-    prompt "binfmt_flat"
-    help
-      This will build the elf2flt and flthdr utilities for your architecture
-      into the toolchain
-
-endchoice
-
diff --git a/config/libc/eglibc.in b/config/libc/eglibc.in
index f8490c9..81cdb1d 100644
--- a/config/libc/eglibc.in
+++ b/config/libc/eglibc.in
@@ -1,5 +1,5 @@
 # eglibc options
-# depends on ! BARE_METAL && ! KERNEL_uclinux
+# depends on ! BARE_METAL && ARCH_USE_MMU
 
 config LIBC_eglibc
     select LIBC_SUPPORT_NPTL
diff --git a/config/libc/glibc.in b/config/libc/glibc.in
index 92f9e40..b9ef99f 100644
--- a/config/libc/glibc.in
+++ b/config/libc/glibc.in
@@ -1,5 +1,5 @@
 # glibc options
-# depends on ! BARE_METAL && ! KERNEL_uclinux
+# depends on ! BARE_METAL && ARCH_USE_MMU
 
 config LIBC_glibc
     select LIBC_SUPPORT_NPTL
diff --git a/config/target.in b/config/target.in
index da6a13c..4734a34 100644
--- a/config/target.in
+++ b/config/target.in
@@ -10,14 +10,18 @@ config ARCH_64
     default n
 
 # Pre-declare target optimisation variables
+config ARCH_SUPPORTS_BOTH_MMU
+config ARCH_SUPPORTS_BOTH_ENDIAN
 config ARCH_SUPPORT_ARCH
 config ARCH_SUPPORT_ABI
 config ARCH_SUPPORT_CPU
 config ARCH_SUPPORT_TUNE
 config ARCH_SUPPORT_FPU
-config ARCH_SUPPORTS_BOTH_ENDIAN
+
+config ARCH_DEFAULT_HAS_MMU
 config ARCH_DEFAULT_BE
 config ARCH_DEFAULT_LE
+
 config ARCH_ARCH
 config ARCH_ABI
 config ARCH_CPU
@@ -34,6 +38,22 @@ comment "General target options"
 
 source config.gen/arch.in
 
+#--------------------------------------
+config ARCH_SUPPORTS_BOTH_MMU
+    bool
+    default n
+
+config ARCH_DEFAULT_HAS_MMU
+    bool
+    default n
+
+config ARCH_USE_MMU
+    bool
+    prompt "Use the MMU" if ARCH_SUPPORTS_BOTH_MMU
+    default n if ! ARCH_DEFAULT_HAS_MMU
+    default y if ARCH_DEFAULT_HAS_MMU
+
+#--------------------------------------
 config ARCH_SUPPORTS_BOTH_ENDIAN
     bool
     default n
@@ -63,6 +83,7 @@ config ARCH_LE
 
 endchoice
 
+#--------------------------------------
 comment "Target optimisations"
 
 config ARCH_SUPPORT_ARCH