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ext-toolchain: Automatically set -m64 if the architecture is x86_64

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Without the -m64, choosing the x86_64 architecture with a Sourcery external
toolchain will result in a 32-bit rootfs.

Also simplified the help text to reflect this change.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Arnout Vandecappelle (Essensium/Mind) 2012-03-13 23:30:00 +01:00 committed by Peter Korsgaard
parent 39bd61c6f3
commit a22dc0f230
3 changed files with 25 additions and 16 deletions
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34
toolchain/toolchain-external/Config.in
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@ -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 binutils 2.21.53, glibc 2.13, gdb 7.2.50 and kernel headers
3.0.1. It has support for the following variants: 3.0.1. It has support for the following variants:
- Intel Pentium 4, glibc, 32 bits - Intel Pentium 4, glibc, 32 bits
Default, nothing special to do. Default for x86, nothing special to do.
- Intel Atom, glibc, 32 bits - Intel Atom, glibc, 32 bits
Select an Atom core Select an Atom core
- Intel Xeon, glibc, 64 bits - Intel Xeon, glibc, 64 bits
Set BR2_TARGET_OPTIMIZATION to -m64 Default for x86_64, nothing special to do.
- Intel Core 2, glibc, 64 bits - Intel Core 2, glibc, 64 bits
Select a Core 2 core Select a Core 2 core
Set BR2_TARGET_OPTIMIZATION to -m64 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 config BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201009
bool "Sourcery CodeBench x86/x86_64 2010.09" 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 binutils 2.20, glibc 2.11, gdb 7.2.50 and kernel headers
2.6.35.2. It has support for the following variants: 2.6.35.2. It has support for the following variants:
- Intel Pentium 4, glibc, 32 bits - Intel Pentium 4, glibc, 32 bits
Default, nothing special to do. Default for x86, nothing special to do.
- Intel Atom, glibc, 32 bits - Intel Atom, glibc, 32 bits
Select an Atom core Select an Atom core
- Intel Xeon, glibc, 64 bits - Intel Xeon, glibc, 64 bits
Set BR2_TARGET_OPTIMIZATION to -m64 Default for x86_64, nothing special to do.
- Intel Core 2, glibc, 64 bits - Intel Core 2, glibc, 64 bits
Select a Core 2 core Select a Core 2 core
Set BR2_TARGET_OPTIMIZATION to -m64 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 config BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2011R1
bool "Blackfin.uclinux.org 2011R1-RC4" bool "Blackfin.uclinux.org 2011R1-RC4"

4
toolchain/toolchain-external/ext-tool.mk
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@ -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 # march/mtune/floating point mode needs to be passed to the external toolchain
# to select the right multilib variant # 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_),) ifneq ($(CC_TARGET_TUNE_),)
TOOLCHAIN_EXTERNAL_CFLAGS += -mtune=$(CC_TARGET_TUNE_) TOOLCHAIN_EXTERNAL_CFLAGS += -mtune=$(CC_TARGET_TUNE_)
TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_TUNE='"$(CC_TARGET_TUNE_)"' TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_TUNE='"$(CC_TARGET_TUNE_)"'

3
toolchain/toolchain-external/ext-toolchain-wrapper.c
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@ -40,6 +40,9 @@ static char *predef_args[] = {
#ifdef BR_VFPFLOAT #ifdef BR_VFPFLOAT
"-mfpu=vfp", "-mfpu=vfp",
#endif /* BR_VFPFLOAT */ #endif /* BR_VFPFLOAT */
#ifdef BR_64
"-m64",
#endif
#ifdef BR_ADDITIONAL_CFLAGS #ifdef BR_ADDITIONAL_CFLAGS
BR_ADDITIONAL_CFLAGS BR_ADDITIONAL_CFLAGS
#endif #endif