simplify endian config/selection

24 files changed, 46 insertions, 195 deletions

diff --git a/extra/Configs/Config.alpha b/extra/Configs/Config.alpha
index 42866cf00..77978a4c5 100644
--- a/extra/Configs/Config.alpha
+++ b/extra/Configs/Config.alpha
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "alpha"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default n
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_LITTLE_ENDIAN
 	select ARCH_HAS_MMU
 	select ARCH_HAS_NO_LDSO
 	select UCLIBC_HAS_LFS
diff --git a/extra/Configs/Config.arm b/extra/Configs/Config.arm
index 30f06085c..1b53cd61f 100644
--- a/extra/Configs/Config.arm
+++ b/extra/Configs/Config.arm
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "arm"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_ANY_ENDIAN
 
 config ARCH_CFLAGS
 	string
diff --git a/extra/Configs/Config.bfin b/extra/Configs/Config.bfin
index 0fec6b218..961d60032 100644
--- a/extra/Configs/Config.bfin
+++ b/extra/Configs/Config.bfin
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "bfin"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default n
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_LITTLE_ENDIAN
 	select ARCH_HAS_NO_MMU
 
 config ARCH_CFLAGS
diff --git a/extra/Configs/Config.cris b/extra/Configs/Config.cris
index 50ca4255f..0e52ef9d7 100644
--- a/extra/Configs/Config.cris
+++ b/extra/Configs/Config.cris
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "cris"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default n
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_LITTLE_ENDIAN
 
 config ARCH_CFLAGS
 	string
diff --git a/extra/Configs/Config.e1 b/extra/Configs/Config.e1
index 8a56853a6..d81a45446 100644
--- a/extra/Configs/Config.e1
+++ b/extra/Configs/Config.e1
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "e1"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default n
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_BIG_ENDIAN
 	select ARCH_HAS_NO_MMU
 	select HAVE_NO_SHARED
 
diff --git a/extra/Configs/Config.frv b/extra/Configs/Config.frv
index 7fbfdba43..e87ec2c5f 100644
--- a/extra/Configs/Config.frv
+++ b/extra/Configs/Config.frv
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "frv"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default n
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_BIG_ENDIAN
 	select UCLIBC_HAS_FPU
 	select ARCH_HAS_NO_MMU
 
diff --git a/extra/Configs/Config.h8300 b/extra/Configs/Config.h8300
index 753937e8a..f739bcaf5 100644
--- a/extra/Configs/Config.h8300
+++ b/extra/Configs/Config.h8300
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "h8300"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_ANY_ENDIAN
 	select ARCH_HAS_NO_MMU
 
 choice
diff --git a/extra/Configs/Config.hppa b/extra/Configs/Config.hppa
index 43362628d..ecc50f55c 100644
--- a/extra/Configs/Config.hppa
+++ b/extra/Configs/Config.hppa
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "hppa"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default n
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_BIG_ENDIAN
 	select ARCH_HAS_MMU
 	select HAS_NO_THREADS
 	select ARCH_HAS_NO_LDSO
diff --git a/extra/Configs/Config.i386 b/extra/Configs/Config.i386
index d35a902e5..e76516ac1 100644
--- a/extra/Configs/Config.i386
+++ b/extra/Configs/Config.i386
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "i386"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default n
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_LITTLE_ENDIAN
 	select ARCH_HAS_MMU
 
 config ARCH_CFLAGS
diff --git a/extra/Configs/Config.i960 b/extra/Configs/Config.i960
index bc903aa21..1d469f9ea 100644
--- a/extra/Configs/Config.i960
+++ b/extra/Configs/Config.i960
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "i960"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default n
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_LITTLE_ENDIAN
 	select ARCH_HAS_NO_MMU
 	select HAS_NO_THREADS
 
diff --git a/extra/Configs/Config.ia64 b/extra/Configs/Config.ia64
index fc2c7c190..f13b82302 100644
--- a/extra/Configs/Config.ia64
+++ b/extra/Configs/Config.ia64
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "ia64"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default n
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_LITTLE_ENDIAN
 	select ARCH_HAS_MMU
 	select HAS_NO_THREADS
 	select ARCH_HAS_NO_LDSO
diff --git a/extra/Configs/Config.in.arch b/extra/Configs/Config.in.arch
index bce5a0b55..189b2f451 100644
--- a/extra/Configs/Config.in.arch
+++ b/extra/Configs/Config.in.arch
@@ -3,21 +3,33 @@
 # see extra/config/Kconfig-language.txt
 #
 
+config ARCH_ANY_ENDIAN
+	bool
+config ARCH_BIG_ENDIAN
+	bool
+config ARCH_LITTLE_ENDIAN
+	bool
+if ARCH_ANY_ENDIAN
 choice
 	prompt "Target Processor Endianness"
 	help
-	  This is the endianness you wish to build use.  Choose either Big
+	  This is the endianness you wish to use.  Choose either Big
 	  Endian, or Little Endian.
-
-config ARCH_LITTLE_ENDIAN
-	bool "Little Endian"
-	depends on ARCH_SUPPORTS_LITTLE_ENDIAN
-
-config ARCH_BIG_ENDIAN
+config ARCH_WANTS_BIG_ENDIAN
 	bool "Big Endian"
-	depends on ARCH_SUPPORTS_BIG_ENDIAN
-
+	select ARCH_BIG_ENDIAN
+config ARCH_WANTS_LITTLE_ENDIAN
+	bool "Little Endian"
+	select ARCH_LITTLE_ENDIAN
 endchoice
+endif
+# if the arch only supports one endian, just display the setting
+if !ARCH_ANY_ENDIAN && ARCH_LITTLE_ENDIAN
+comment "Using Little Endian"
+endif
+if !ARCH_ANY_ENDIAN && ARCH_BIG_ENDIAN
+comment "Using Big Endian"
+endif
 
 config ARCH_HAS_NO_MMU
 	bool "Target CPU does not have a memory management unit (MMU)"
diff --git a/extra/Configs/Config.m68k b/extra/Configs/Config.m68k
index 7ede9e7de..e99b84396 100644
--- a/extra/Configs/Config.m68k
+++ b/extra/Configs/Config.m68k
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "m68k"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default n
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_BIG_ENDIAN
 
 config ARCH_CFLAGS
 	string
diff --git a/extra/Configs/Config.microblaze b/extra/Configs/Config.microblaze
index ea790a461..11561b2bb 100644
--- a/extra/Configs/Config.microblaze
+++ b/extra/Configs/Config.microblaze
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "microblaze"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default n
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_BIG_ENDIAN
 	select ARCH_HAS_NO_MMU
 
 config ARCH_CFLAGS
diff --git a/extra/Configs/Config.mips b/extra/Configs/Config.mips
index bcb03dff6..43e0bbb46 100644
--- a/extra/Configs/Config.mips
+++ b/extra/Configs/Config.mips
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "mips"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_ANY_ENDIAN
 
 config ARCH_CFLAGS
 	string
diff --git a/extra/Configs/Config.nios b/extra/Configs/Config.nios
index 786bb73ba..fd5c7d606 100644
--- a/extra/Configs/Config.nios
+++ b/extra/Configs/Config.nios
@@ -6,19 +6,11 @@
 config TARGET_ARCH
 	default "nios"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default n
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
-	select ARCH_HAS_NO_MMU
 	select ARCH_LITTLE_ENDIAN
+	select ARCH_HAS_NO_MMU
 	select HAVE_NO_PIC
 
 config ARCH_CFLAGS
diff --git a/extra/Configs/Config.nios2 b/extra/Configs/Config.nios2
index 8753e2eaa..f15f6aac7 100644
--- a/extra/Configs/Config.nios2
+++ b/extra/Configs/Config.nios2
@@ -6,19 +6,11 @@
 config TARGET_ARCH
 	default "nios2"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default n
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
-	select ARCH_HAS_NO_MMU
 	select ARCH_LITTLE_ENDIAN
+	select ARCH_HAS_NO_MMU
 	select HAVE_NO_PIC
 
 config ARCH_CFLAGS
diff --git a/extra/Configs/Config.powerpc b/extra/Configs/Config.powerpc
index 818157a05..fab79b135 100644
--- a/extra/Configs/Config.powerpc
+++ b/extra/Configs/Config.powerpc
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "powerpc"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default n
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_BIG_ENDIAN
 	select ARCH_HAS_MMU
 
 config ARCH_CFLAGS
diff --git a/extra/Configs/Config.sh b/extra/Configs/Config.sh
index be21bdf08..061052e58 100644
--- a/extra/Configs/Config.sh
+++ b/extra/Configs/Config.sh
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "sh"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_ANY_ENDIAN
 
 config ARCH_CFLAGS
 	string
diff --git a/extra/Configs/Config.sh64 b/extra/Configs/Config.sh64
index d0da8aa34..0cabb38ae 100644
--- a/extra/Configs/Config.sh64
+++ b/extra/Configs/Config.sh64
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "sh64"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_ANY_ENDIAN
 
 config ARCH_CFLAGS
 	string
diff --git a/extra/Configs/Config.sparc b/extra/Configs/Config.sparc
index 151623e78..1dba6ddb6 100644
--- a/extra/Configs/Config.sparc
+++ b/extra/Configs/Config.sparc
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "sparc"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default n
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_BIG_ENDIAN
 
 config ARCH_CFLAGS
 	string
diff --git a/extra/Configs/Config.v850 b/extra/Configs/Config.v850
index 68ad0523d..5ee312195 100644
--- a/extra/Configs/Config.v850
+++ b/extra/Configs/Config.v850
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "v850"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default n
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_LITTLE_ENDIAN
 	select ARCH_HAS_NO_MMU
 	select HAVE_NO_PIC
 
diff --git a/extra/Configs/Config.vax b/extra/Configs/Config.vax
index 1c7de1590..224d9067f 100644
--- a/extra/Configs/Config.vax
+++ b/extra/Configs/Config.vax
@@ -6,15 +6,11 @@
 config TARGET_ARCH
 	default "vax"
 
-config HAVE_ELF
-	bool
-	select HAVE_NO_SHARED
-	select ARCH_HAS_NO_LDSO
-	default y
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_LITTLE_ENDIAN
+	select ARCH_HAS_NO_LDSO
 
 config ARCH_CFLAGS
 	string
@@ -28,4 +24,3 @@ config LIBGCC_CFLAGS
 config CROSS
 	string
 	default "vax-linux-uclibc-"
-
diff --git a/extra/Configs/Config.x86_64 b/extra/Configs/Config.x86_64
index 971d79f37..61a47d94c 100644
--- a/extra/Configs/Config.x86_64
+++ b/extra/Configs/Config.x86_64
@@ -6,17 +6,10 @@
 config TARGET_ARCH
 	default "x86_64"
 
-config ARCH_SUPPORTS_BIG_ENDIAN
-	bool
-	default n
-
-config ARCH_SUPPORTS_LITTLE_ENDIAN
-	bool
-	default y
-
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
+	select ARCH_LITTLE_ENDIAN
 	select ARCH_HAS_MMU
 	select UCLIBC_HAS_LFS