X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/aa7be8c16488bbdd079d402a6f15f81bc575c2f7..09b96811e8ca8ad48fc6604f55690978158d0596:/toolchain/Config.in diff --git a/toolchain/Config.in b/toolchain/Config.in index 192818f94..3cd2ed254 100644 --- a/toolchain/Config.in +++ b/toolchain/Config.in @@ -10,6 +10,35 @@ menuconfig TOOLCHAINOPTS bool "Toolchain Options" if DEVEL depends !NATIVE_TOOLCHAIN +menuconfig EXTRA_TARGET_ARCH + bool + prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS + default n + help + Some builds may require a 'biarch' toolchain. This option + allows you to specify an additional target arch. + + Most people will answer N here. + + config EXTRA_TARGET_ARCH_NAME + string + prompt "Extra architecture name" if EXTRA_TARGET_ARCH + help + Specify the cpu name (eg powerpc64 or x86_64) of the + additional target architecture. + + config EXTRA_TARGET_ARCH_OPTS + string + prompt "Extra architecture compiler options" if EXTRA_TARGET_ARCH + help + If you're specifying an addition target architecture, + you'll probably need to also provide options to make + the compiler use this alternate arch. + + For example, if you're building a compiler that can build + both powerpc and powerpc64 binaries, you'll need to + specify -m64 here. + source "toolchain/binutils/Config.in" source "toolchain/gcc/Config.in" source "toolchain/uClibc/Config.in" @@ -39,7 +68,7 @@ config SOFT_FLOAT bool prompt "Use software floating point by default" if TOOLCHAINOPTS default y - depends on arm || armeb || powerpc + depends on (arm || armeb || powerpc) && !HAS_FPU 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 @@ -54,8 +83,10 @@ config TARGET_OPTIMIZATION default "-O2 -pipe -march=i686 -funit-at-a-time" if TARGET_x86_mediacenter default "-O2 -pipe -march=i486 -funit-at-a-time" if TARGET_x86 default "-Os -pipe -march=i486 -funit-at-a-time" if TARGET_rdc + default "-Os -pipe -mips32r2 -mtune=mips32r2 -funit-at-a-time" if TARGET_ar71xx default "-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time" if mipsel || mips - default "-Os -pipe -march=armv5te -mtune=xscale -funit-at-a-time" if armeb || arm + default "-Os -pipe -march=armv5te -mtune=xscale -funit-at-a-time" if TARGET_ixp4xx || TARGET_iop32x || TARGET_pxa || TARGET_orion + default "-Os -pipe -march=armv4 -mtune=arm9tdmi -funit-at-a-time" if TARGET_storm default "-Os -pipe -funit-at-a-time" help Optimizations to use when building for the target host.