47 lines
1.8 KiB
Diff
47 lines
1.8 KiB
Diff
From e94589ed36c4a311355efc46ba3f76523c546057 Mon Sep 17 00:00:00 2001
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From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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Date: Wed, 7 Aug 2019 16:17:16 +0200
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Subject: [PATCH] Add RISC-V endian detection
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3rdparty/msgpack-c/include/msgpack/predef/other/endian.h (which comes
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from Boost) two ways of detecting the endianess:
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(1) It includes <endian.h> if BOOST_LIB_C_GNU is defined, and then
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use __BYTE_ORDER to decide the endianness.
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(2) Otherwise, if (1) was not possible for some reason, it uses
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architecture defines to decide the endianness.
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(1) works perfectly fine with glibc toolchains, because
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BOOST_LIB_C_GNU is defined, but it doesn't work with musl. Due to
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this, <endian.h> is not included, __BYTE_ORDER is not defined, and
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method (1) does not work, causing build failures on musl toolchains
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that don't have explicit handling by architecture name (method 2).
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So this commit fixes RISC-V musl build by adding support for the
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__riscv architecture define, to determine that the endianness is
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little endian.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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---
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3rdparty/msgpack-c/include/msgpack/predef/other/endian.h | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/3rdparty/msgpack-c/include/msgpack/predef/other/endian.h b/3rdparty/msgpack-c/include/msgpack/predef/other/endian.h
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index 3c609fa..63a5722 100644
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--- a/3rdparty/msgpack-c/include/msgpack/predef/other/endian.h
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+++ b/3rdparty/msgpack-c/include/msgpack/predef/other/endian.h
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@@ -127,7 +127,8 @@ information and acquired knowledge:
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defined(__AARCH64EL__) || \
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defined(_MIPSEL) || \
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defined(__MIPSEL) || \
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- defined(__MIPSEL__)
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+ defined(__MIPSEL__) || \
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+ defined(__riscv)
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# undef MSGPACK_ENDIAN_LITTLE_BYTE
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# define MSGPACK_ENDIAN_LITTLE_BYTE MSGPACK_VERSION_NUMBER_AVAILABLE
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# endif
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--
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2.21.0
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