openwrt/toolchain/Config.in

   1 #
   2
   3 menu "Toolchain Options"
   4
   5 source "toolchain/uClibc/Config.in"
   6 source "toolchain/binutils/Config.in"
   7 source "toolchain/gcc/Config.in"
   8
   9 if CONFIG_DEVEL
  10 comment "Common Toolchain Options"
  11 endif
  12 if !CONFIG_DEVEL
  13 comment "Using defaults"
  14 endif
  15
  16 config BR2_ENABLE_MULTILIB
  17         bool "Enable multilib support?" if CONFIG_DEVEL
  18         default n
  19         help
  20             If you want multilib enabled, enable this...
  21
  22 config BR2_LARGEFILE
  23         bool "Enable large file (files > 2 GB) support?" if CONFIG_DEVEL
  24         depends on !BR2_cris
  25         default y
  26         help
  27             Enable large file (files > 2 GB) support
  28
  29 config BR2_SOFT_FLOAT
  30         bool "Use software floating point by default" if CONFIG_DEVEL
  31         default n
  32         depends on BR2_arm || BR2_mips || BR2_powerpc
  33         help
  34           If your target CPU does not have a Floating Point Unit (FPU) or a
  35           kernel FPU emulator, but you still wish to support floating point
  36           functions, then everything will need to be compiled with soft floating
  37           point support (-msoft-float).
  38
  39           Most people will answer N.
  40
  41 config BR2_TARGET_OPTIMIZATION
  42         string "Target Optimizations" if CONFIG_DEVEL
  43         default "-Os -pipe -march=i486 -funit-at-a-time" if BR2_i386
  44         default "-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time" if BR2_mipsel || BR2_mips
  45         default "-Os -pipe -mcpu=xscale -mno-thumb-interwork -mno-thumb -funit-at-a-time" if BR2_armeb
  46         default "-Os -pipe -funit-at-a-time"
  47         help
  48           Optimizations to use when building for the target host.
  49
  50 # Might be worth experimenting with for gcc 3.4.x.
  51 #GCC_WITH_CPU:=
  52 #GCC_WITH_ARCH:=
  53 #GCC_WITH_TUNE:=
  54
  55 #GCC_WITH_CPU:=--with-cpu=
  56 #GCC_WITH_ARCH:=--with-arch=
  57 #GCC_WITH_TUNE:=--with-tune=
  58
  59
  60 endmenu
  61