uClibc: Backport uClibc master git commit fd355bc1dbcb794ae1abf0fad1459e28d8567ba0...

[openwrt/staging/chunkeey.git] / toolchain / Config.in

diff --git a/toolchain/Config.in b/toolchain/Config.in
index 05cc350f2e8d63bb79fe598388d9c37a29c5e87e..aad709578cc14dab62063fb3c46bf3628c8e4e6c 100644 (file)
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -1,10 +1,50 @@
+# Copyright (C) 2006-2013 OpenWrt.org
 #
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+menuconfig TARGET_OPTIONS
+       bool "Target Options"  if DEVEL
+
+       config TARGET_OPTIMIZATION
+               string "Target Optimizations" if TARGET_OPTIONS
+               default DEFAULT_TARGET_OPTIMIZATION
+               help
+                 Optimizations to use when building for the target host.
+
+       config SOFT_FLOAT
+               bool "Use software floating point by default" if TARGET_OPTIONS
+               default y if !HAS_FPU
+               depends on arm || armeb || powerpc || mipsel || mips || mips64el || mips64
+               help
+                 If your target CPU does not have a Floating Point Unit (FPU) or a
+                 kernel FPU emulator, but you still wish to support floating point
+                 functions, then everything will need to be compiled with soft floating
+                 point support (-msoft-float).
+
+                 Most people will answer N.
+
+       config USE_MIPS16
+               bool "Build packages with MIPS16 instructions" if TARGET_OPTIONS
+               depends on HAS_MIPS16
+               depends on !GCC_VERSION_4_6
+               default y
+               help
+                 If your target CPU does support the MIPS16 instruction set
+                 and you want to use it for packages, enable this option.
+                 MIPS16 produces smaller binaries thus reducing pressure on
+                 caches and TLB.
+
+                 Most people will answer N.
+
 
 menuconfig EXTERNAL_TOOLCHAIN
        bool
        prompt "Use external toolchain"  if DEVEL
        help
-         If enabled, OpenWrt will compile using an existing toolchain instead of compiling one
+         If enabled, OpenWrt will compile using an existing toolchain instead of
+         compiling one.
 
        config NATIVE_TOOLCHAIN
                bool
@@ -12,7 +52,8 @@ menuconfig EXTERNAL_TOOLCHAIN
                depends on EXTERNAL_TOOLCHAIN
                select NO_STRIP
                help
-                 If enabled, OpenWrt will compile using the native toolchain for your host instead of compiling one
+                 If enabled, OpenWrt will compile using the native toolchain for your
+                 host instead of compiling one.
 
        config TARGET_NAME
                string
@@ -56,10 +97,10 @@ menuconfig EXTERNAL_TOOLCHAIN
                depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
                default "uclibc"
                help
-                 Specify the libc type used by the external toolchain. The given value us passed as -m
-                 flag to all gcc and g++ invocations. This is mainly intended for multilib toolchains
-                 which support glibc and uclibc at the same time. If no value is specified, no -m flag
-                 is passed.
+                 Specify the libc type used by the external toolchain. The given value
+                 is passed as -m flag to all gcc and g++ invocations. This is mainly
+                 intended for multilib toolchains which support glibc and uclibc at
+                 the same time. If no value is specified, no -m flag is passed.
 
        config TOOLCHAIN_BIN_PATH
                string
@@ -67,8 +108,8 @@ menuconfig EXTERNAL_TOOLCHAIN
                depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
                default "./usr/bin ./bin"
                help
-                 Specify additional directories searched for toolchain binaries (override PATH)
-                 Use ./DIR for directories relative to the root above
+                 Specify additional directories searched for toolchain binaries
+                 (override PATH). Use ./DIR for directories relative to the root above.
 
        config TOOLCHAIN_INC_PATH
                string
@@ -76,8 +117,8 @@ menuconfig EXTERNAL_TOOLCHAIN
                depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
                default "./usr/include ./include"
                help
-                 Specify additional directories searched for header files (override CPPFLAGS)
-                 Use ./DIR for directories relative to the root above
+                 Specify additional directories searched for header files (override
+                 CPPFLAGS). Use ./DIR for directories relative to the root above.
 
        config TOOLCHAIN_LIB_PATH
                string
@@ -85,8 +126,8 @@ menuconfig EXTERNAL_TOOLCHAIN
                depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
                default "./usr/lib ./lib"
                help
-                 Specify additional directories searched for libraries (override LDFLAGS)
-                 Use ./DIR for directories relative to the root above
+                 Specify additional directories searched for libraries (override LDFLAGS).
+                 Use ./DIR for directories relative to the root above.
 
 config NEED_TOOLCHAIN
        bool
@@ -180,6 +221,7 @@ choice
        config LIBC_USE_MUSL
                bool "Use musl"
                select USE_MUSL
+               depends on BROKEN
                depends on !(mips64 || mips64el)
 
 endchoice
@@ -195,9 +237,9 @@ config GDB
        bool
        depends on !avr32
        prompt "Build gdb" if TOOLCHAINOPTS
-       default y
+       default y if !EXTERNAL_TOOLCHAIN
        help
-               Enable if you want to build the gdb
+         Enable if you want to build the gdb.
 
 config INSIGHT
        bool
@@ -205,14 +247,15 @@ config INSIGHT
        select GDB
        default n
        help
-               Enable if you want to build insight-gdb
+         Enable if you want to build insight-gdb.
 
 config USE_EGLIBC
        bool
+       default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && octeon
 
 config USE_UCLIBC
        bool
-       default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
+       default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && !octeon
 
 config USE_MUSL
        bool