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toolchain: control vendor part in GNU_TARGET_NAME

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This option allows to customize the "vendor" part of the
toolchain tuple, where the toolchain tuple has the form
<arch>-<vendor>-<os>-<libc>. Use this option in situations
where gcc might make different decisions based on the vendor
part of the tuple.

[Thomas: move the config option in a slightly different place, so that
it does not appear between the C library selection and the C library
options.]

Signed-off-by: "Noam Camus" <noamc@ezchip.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Noam Camus 2014-04-01 06:25:47 +00:00 committed by Thomas Petazzoni
parent fb8774327a
commit 65c2400ff2
2 changed files with 33 additions and 1 deletions
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17
package/Makefile.in
View File

@ -20,8 +20,23 @@ endif
MAKE1:=$(HOSTMAKE) -j1
MAKE:=$(HOSTMAKE) $(if $(PARALLEL_JOBS),-j$(PARALLEL_JOBS))
ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
TARGET_VENDOR = $(call qstrip,$(BR2_TOOLCHAIN_BUILDROOT_VENDOR))
else
TARGET_VENDOR = buildroot
endif
# Sanity checks
ifeq ($(TARGET_VENDOR),)
$(error BR2_TOOLCHAIN_BUILDROOT_VENDOR is not allowed to be empty)
endif
ifeq ($(TARGET_VENDOR),unknown)
$(error BR2_TOOLCHAIN_BUILDROOT_VENDOR cannot be 'unknown'. \
It might be confused with the native toolchain)
endif
# Compute GNU_TARGET_NAME
GNU_TARGET_NAME=$(ARCH)-buildroot-$(TARGET_OS)-$(LIBC)$(ABI)
GNU_TARGET_NAME=$(ARCH)-$(TARGET_VENDOR)-$(TARGET_OS)-$(LIBC)$(ABI)
# Blackfin FLAT needs uclinux
ifeq ($(BR2_bfin)$(BR2_BINFMT_FLAT),yy)

17
toolchain/toolchain-buildroot/Config.in
View File

@ -1,6 +1,23 @@
# Config entries for internal toolchain backend
if BR2_TOOLCHAIN_BUILDROOT
config BR2_TOOLCHAIN_BUILDROOT_VENDOR
string "custom toolchain vendor name"
default "buildroot"
help
This option allows to customize the "vendor" part of the
toolchain tuple, where the toolchain tuple has the form
<arch>-<vendor>-<os>-<libc>. The default value, "buildroot",
is fine for most cases, except in very specific situations
where gcc might make different decisions based on the vendor
part of the tuple. The value "unknown" is not allowed, as the
cross-compiling toolchain might then be confused with the
native toolchain when the target and host architecture are
identical. The value can not be empty either.
If you're not sure, just leave the default "buildroot" value.
source "package/linux-headers/Config.in.host"
choice