diff options
Diffstat (limited to 'toolchain')
| -rw-r--r-- | toolchain/toolchain-external/Config.in | 34 | ||||
| -rw-r--r-- | toolchain/toolchain-external/ext-tool.mk | 4 | ||||
| -rw-r--r-- | toolchain/toolchain-external/ext-toolchain-wrapper.c | 3 |
3 files changed, 25 insertions, 16 deletions
diff --git a/toolchain/toolchain-external/Config.in b/toolchain/toolchain-external/Config.in index 7f57952e0..24cad9c0e 100644 --- a/toolchain/toolchain-external/Config.in +++ b/toolchain/toolchain-external/Config.in @@ -371,14 +371,15 @@ config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201109 binutils 2.21.53, glibc 2.13, gdb 7.2.50 and kernel headers 3.0.1. It has support for the following variants: - Intel Pentium 4, glibc, 32 bits - Default, nothing special to do. - - Intel Atom, glibc, 32 bits - Select an Atom core - - Intel Xeon, glibc, 64 bits - Set BR2_TARGET_OPTIMIZATION to -m64 - - Intel Core 2, glibc, 64 bits - Select a Core 2 core - Set BR2_TARGET_OPTIMIZATION to -m64 + Default for x86, nothing special to do. + - Intel Atom, glibc, 32 bits + Select an Atom core + - Intel Xeon, glibc, 64 bits + Default for x86_64, nothing special to do. + - Intel Core 2, glibc, 64 bits + Select a Core 2 core + Other architecture variants (beyond Pentium-4/Xeon) are + supported as well, but glibc is not optimised for it. config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201009 bool "Sourcery CodeBench x86/x86_64 2010.09" @@ -391,14 +392,15 @@ config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201009 binutils 2.20, glibc 2.11, gdb 7.2.50 and kernel headers 2.6.35.2. It has support for the following variants: - Intel Pentium 4, glibc, 32 bits - Default, nothing special to do. - - Intel Atom, glibc, 32 bits - Select an Atom core - - Intel Xeon, glibc, 64 bits - Set BR2_TARGET_OPTIMIZATION to -m64 - - Intel Core 2, glibc, 64 bits - Select a Core 2 core - Set BR2_TARGET_OPTIMIZATION to -m64 + Default for x86, nothing special to do. + - Intel Atom, glibc, 32 bits + Select an Atom core + - Intel Xeon, glibc, 64 bits + Default for x86_64, nothing special to do. + - Intel Core 2, glibc, 64 bits + Select a Core 2 core + Other architecture variants (beyond Pentium-4/Xeon) are + supported as well, but glibc is not optimised for it. config BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2011R1 bool "Blackfin.uclinux.org 2011R1-RC4" diff --git a/toolchain/toolchain-external/ext-tool.mk b/toolchain/toolchain-external/ext-tool.mk index 01ab91fed..dbd39b068 100644 --- a/toolchain/toolchain-external/ext-tool.mk +++ b/toolchain/toolchain-external/ext-tool.mk @@ -133,6 +133,10 @@ CC_TARGET_ABI_:=$(call qstrip,$(BR2_GCC_TARGET_ABI)) # march/mtune/floating point mode needs to be passed to the external toolchain # to select the right multilib variant +ifeq ($(BR2_x86_64),y) +TOOLCHAIN_EXTERNAL_CFLAGS += -m64 +TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_64 +endif ifneq ($(CC_TARGET_TUNE_),) TOOLCHAIN_EXTERNAL_CFLAGS += -mtune=$(CC_TARGET_TUNE_) TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_TUNE='"$(CC_TARGET_TUNE_)"' diff --git a/toolchain/toolchain-external/ext-toolchain-wrapper.c b/toolchain/toolchain-external/ext-toolchain-wrapper.c index 719f13bd1..82595eaa7 100644 --- a/toolchain/toolchain-external/ext-toolchain-wrapper.c +++ b/toolchain/toolchain-external/ext-toolchain-wrapper.c @@ -40,6 +40,9 @@ static char *predef_args[] = { #ifdef BR_VFPFLOAT "-mfpu=vfp", #endif /* BR_VFPFLOAT */ +#ifdef BR_64 + "-m64", +#endif #ifdef BR_ADDITIONAL_CFLAGS BR_ADDITIONAL_CFLAGS #endif |