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From GCC's standpoint ARC's multilib items are defined by "mcpu" values which we have quite a few and for all of them might be built optimized cross-toolchain. From Glibc's standpoint multilib is just multi-ABI [1] and so very limited versions are supposed to co-exist (e.g. arc700 & archs). Here we force Glibc to install libraries in GCC's multilib folder to create a universal cross-toolchain that has libs optimized for multiple CPU types. But note we only need to mess with installation paths in case of real multilib, otherwise we keep default "lib/" paths so that GCC finds default (the one and only) libs where it expects them to be. Also here we add a sample which allows to build universal Glibc Linux toolchain for ARC. [1] https://sourceware.org/ml/libc-alpha/2019-06/msg00018.html Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
8 lines
152 B
Plaintext
8 lines
152 B
Plaintext
CT_CONFIG_VERSION="3"
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CT_ARCH_ARC=y
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CT_MULTILIB=y
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CT_TARGET_CFLAGS="-matomic"
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CT_TARGET_VENDOR="multilib"
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CT_TARGET_ALIAS="arc-linux"
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CT_KERNEL_LINUX=y
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