2 config NATIVE_TOOLCHAIN
4 prompt "Use host's toolchain" if DEVEL && BROKEN
7 If enabled, OpenWrt will compile using your existing toolchain instead of compiling one
9 menuconfig TOOLCHAINOPTS
10 bool "Toolchain Options" if DEVEL
11 depends !NATIVE_TOOLCHAIN
13 source "toolchain/binutils/Config.in"
14 source "toolchain/gcc/Config.in"
18 prompt "Build gdb" if TOOLCHAINOPTS
21 Enable if you want to build the gdb
25 prompt "Enable large file (files > 2 GB) support?" if TOOLCHAINOPTS
29 Enable large file (files > 2 GB) support
33 prompt "Use software floating point by default" if TOOLCHAINOPTS
35 depends on arm || mips || powerpc
37 If your target CPU does not have a Floating Point Unit (FPU) or a
38 kernel FPU emulator, but you still wish to support floating point
39 functions, then everything will need to be compiled with soft floating
40 point support (-msoft-float).
42 Most people will answer N.
44 config TARGET_OPTIMIZATION
46 prompt "Target Optimizations" if TOOLCHAINOPTS
47 default "-Os -pipe -march=i486 -funit-at-a-time" if i386
48 default "-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time" if mipsel || mips
49 default "-Os -pipe -mcpu=xscale -funit-at-a-time" if armeb
50 default "-Os -pipe -funit-at-a-time"
52 Optimizations to use when building for the target host.
54 source "toolchain/gcc/Config.version"