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toolchain: add glibc support for ARCv2

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Finally there's working ARC port of glibc thanks to Vineet and Cuper!
This port is based on pretty recent glibc's master branch and ARC
changes are being reviewed now in glibc's mailing list.

Thus we again have to use sources from our GitHub but as soon as there's
a glibc release with our patches applied we'll switch to upstream releases
and will drop our glibc GitHub repo alltogether.

Note now we cut tags in glibc repo simultaneously with tags
in Binutils and GCC repos and so to make sure everything works in the best
way we plan to update glibc tag together with Binutils and GCC.

Also note as of today ARCompact (AKA ARCv1 ISA) is not supported in glibc
but we plan to fix it soonish so for now we make glibc intentionally
dependent on archs38.

Also note we are not creating directory "2.26" because all patches for glibc
ver 2.26 applies to arc glibc port.

Signed-off-by: Evgeniy Didin <didin@synopsys.com>
CC: Alexey Brodkin <abrodkin@synopsys.com>
CC: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
CC: Waldemar Brodkorb <wbx@openadk.org>
CC: Romain Naour <romain.naour@gmail.com>
Cc: Cupertino Miranda <cmiranda@synopsys.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Anton Kolesov <akolesov@synopsys.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Evgeniy Didin 2017-10-10 16:31:50 +03:00 committed by Thomas Petazzoni
parent 444afad615
commit 0633eb58a2
3 changed files with 10 additions and 1 deletions
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2
package/glibc/glibc.hash
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@ -1,2 +1,4 @@
# Locally calculated after checking pgp signature (glibc)
sha256 e54e0a934cd2bc94429be79da5e9385898d2306b9eaf3c92d5a77af96190f6bd glibc-2.26.tar.xz
# Locally calculated (fetched from Github)
sha256 adf2dd19a76705a6fb748492eba30cb0be621422190116382a891a3cf099e895 glibc-arc-2017.09-eng010.tar.gz

7
package/glibc/glibc.mk
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@ -4,9 +4,16 @@
#
################################################################################
ifeq ($(BR2_arc),y)
GLIBC_VERSION = arc-2017.09-eng010
GLIBC_SITE = $(call github,foss-for-synopsys-dwc-arc-processors,glibc,$(GLIBC_VERSION))
GLIBC_SOURCE = glibc-$(GLIBC_VERSION).tar.gz
else
GLIBC_VERSION = 2.26
GLIBC_SITE = $(BR2_GNU_MIRROR)/libc
GLIBC_SOURCE = glibc-$(GLIBC_VERSION).tar.xz
endif
GLIBC_SRC_SUBDIR = .
GLIBC_LICENSE = GPL-2.0+ (programs), LGPL-2.1+, BSD-3-Clause, MIT (library)

2
toolchain/toolchain-buildroot/Config.in
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@ -47,7 +47,7 @@ config BR2_TOOLCHAIN_BUILDROOT_GLIBC
BR2_mipsel || BR2_mips64 || BR2_mips64el|| \
BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le || \
BR2_sh || BR2_sparc64 || BR2_x86_64 || \
BR2_microblaze || BR2_nios2
BR2_microblaze || BR2_nios2 || BR2_archs38
depends on BR2_USE_MMU
depends on !BR2_STATIC_LIBS
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2