eb4f5a2cbc
OpenBLAS Makefile normally needs to explicitly define the CPU
architecture size (32 or 64bit) in the BINARY macro. See [1].
When an architecture supports both 64 and 32bit, the 32bit support
is sometimes implemented in OpenBLAS by overriding a fallback to an
anterior architecture. For example, if the build target architecture
is x86 Haswell 32bit, OpenBLAS build will override the arch to
Nehalem. See [2].
If the BINARY macro is undefined, the 32bit fallback will not happen,
sometimes leading to a link failure, with output:
i686-buildroot-linux-gnu/bin/ar: strmm_kernel_LN.o: No such file or directory
This commit fixes those issues by explicitly defining the BINARY
macro. This issue has also been discussed upstream in [3] and [4].
Note: this issue was not introduced recently ([3] dates back from 2015),
and was also see in previous package version, for example in [5].
Fixes:
http://autobuild.buildroot.net/results/e1e/e1e2034a78799abe1bd28b036fa6f7d13322e42f
[1] https://github.com/xianyi/OpenBLAS/blob/v0.3.24/Makefile.rule#L50
[2] https://github.com/xianyi/OpenBLAS/blob/v0.3.24/Makefile.system#L113
[3] https://github.com/xianyi/OpenBLAS/issues/657
[4] https://github.com/xianyi/OpenBLAS/issues/1106
[5] http://autobuild.buildroot.net/results/5cd/5cdccd106b1de275ac75c39783e536107a31651f
Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
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| COPYING | ||
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| Makefile | ||
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| README | ||
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