s/TARGET_ARCH_FEATURES/FORCE_OPTIONS_FOR_ARCH/ to fix sed breakage as pointed out by Joseph S. Myers

extra/Configs/Config.alpha

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_MMU

extra/Configs/Config.arm

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 

extra/Configs/Config.bfin

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_NO_MMU

extra/Configs/Config.cris

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 

extra/Configs/Config.e1

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default n
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_NO_MMU

extra/Configs/Config.frv

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default n
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select UCLIBC_HAS_FPU

extra/Configs/Config.h8300

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_NO_MMU

extra/Configs/Config.hppa

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default n
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_MMU

extra/Configs/Config.i386

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_MMU

extra/Configs/Config.i960

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_NO_MMU

extra/Configs/Config.in.arch

@@ -81,6 +81,23 @@ config DO_C99_MATH
 	  If your applications require the newer C99 math library functions, 
 	  then answer Y.
 
+config UCLIBC_HAS_FENV
+	bool "Enable C99 fp rounding and exception handling (fenv.h)"
+	depends on UCLIBC_HAS_FLOATS
+	default n
+	help
+	  Enable support for the C99 floating point rounding and exception
+	  handling routines.  These 11 functions are:
+	    feclearexcept            fegetexceptflag
+	    feraiseexcept            fesetexceptflag
+	    fetestexcept             feholdexcept
+	    fegetround               fesetround
+	    fegetenv                 fesetenv
+	    feupdateenv
+
+	  This functions are not widely used, so if you're unsure, you
+	  can probably safely say N.
+
 config KERNEL_SOURCE
 	string "Linux kernel header location"
 	default "/usr/src/linux"

extra/Configs/Config.m68k

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default n
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 

extra/Configs/Config.microblaze

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default n
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_NO_MMU

extra/Configs/Config.mips

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 

extra/Configs/Config.nios

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_NO_MMU

extra/Configs/Config.nios2

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_NO_MMU

extra/Configs/Config.powerpc

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default n
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_MMU

extra/Configs/Config.sh

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 

extra/Configs/Config.sh64

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 

extra/Configs/Config.sparc

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default n
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 

extra/Configs/Config.v850

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_NO_MMU

extra/Configs/Config.x86_64

@@ -14,7 +14,7 @@ config ARCH_SUPPORTS_LITTLE_ENDIAN
 	bool
 	default y
 
-config TARGET_ARCH_FEATURES
+config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
 	select ARCH_HAS_MMU