menuconfig EXTRA_TARGET_ARCH
bool
prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS
+ default y if powerpc64
default n
help
Some builds may require a 'biarch' toolchain. This option
config EXTRA_TARGET_ARCH_NAME
string
+ default "powerpc64" if powerpc64
prompt "Extra architecture name" if EXTRA_TARGET_ARCH
help
Specify the cpu name (eg powerpc64 or x86_64) of the
config EXTRA_TARGET_ARCH_OPTS
string
+ default "-m64" if powerpc64
prompt "Extra architecture compiler options" if EXTRA_TARGET_ARCH
help
If you're specifying an addition target architecture,
source "toolchain/binutils/Config.in"
source "toolchain/gcc/Config.in"
+
+choice
+ prompt "LIBC implementation" if TOOLCHAINOPTS
+ default USE_UCLIBC
+ help
+ Select the LIBC implementation.
+
+ config USE_EGLIBC
+ bool "Use eglibc"
+ depends !avr32
+
+ config USE_GLIBC
+ bool "Use glibc"
+ depends !avr32
+
+ config USE_UCLIBC
+ bool "Use uClibc"
+
+endchoice
+
+source "toolchain/eglibc/Config.in"
+source "toolchain/glibc/Config.in"
source "toolchain/uClibc/Config.in"
config GDB
help
Enable if you want to build the gdb
+config INSIGHT
+ bool
+ prompt "Build insight-gdb" if TOOLCHAINOPTS
+ select GDB
+ default n
+ help
+ Enable if you want to build insight-gdb
+
config LARGEFILE
bool
prompt "Enable large file (files > 2 GB) support?" if TOOLCHAINOPTS
bool
prompt "Use software floating point by default" if TOOLCHAINOPTS
default y
- depends on (arm || armeb || powerpc) && !HAS_FPU
+ depends on (arm || armeb || powerpc || mipsel || mips) && !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
config TARGET_OPTIMIZATION
string
prompt "Target Optimizations" if TOOLCHAINOPTS
- 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 TARGET_ixp4xx || TARGET_iop32x || TARGET_pxa || TARGET_orion
- default "-Os -pipe -march=armv4t -mtune=arm9tdmi -funit-at-a-time" if TARGET_storm
- default "-Os -pipe -funit-at-a-time"
+ default DEFAULT_TARGET_OPTIMIZATION
help
Optimizations to use when building for the target host.
+config USE_UCLIBC
+ bool
+ default y if !TOOLCHAINOPTS
+
source "toolchain/gcc/Config.version"
+
+source "toolchain/eglibc/Config.version"
+source "toolchain/glibc/Config.version"
source "toolchain/uClibc/Config.version"
+
+config LIBC
+ string
+ default "eglibc" if USE_EGLIBC
+ default "glibc" if USE_GLIBC
+ default "uClibc" if USE_UCLIBC
+
+config LIBC_VERSION
+ string
+ default EGLIBC_VERSION if USE_EGLIBC
+ default GLIBC_VERSION if USE_GLIBC
+ default UCLIBC_VERSION if USE_UCLIBC
+
+config TARGET_SUFFIX
+ string
+ default "gnueabi" if (USE_EGLIBC || USE_GLIBC) && EABI_SUPPORT
+ default "gnu" if (USE_EGLIBC || USE_GLIBC) && !EABI_SUPPORT
+ default "uclibcgnueabi" if USE_UCLIBC && EABI_SUPPORT
+ default "uclibc" if USE_UCLIBC && !EABI_SUPPORT
+