Re: New version of muscle contains asm statements which prevent building on non-Intel architectures
On Fri, Jan 21, 2022 at 5:05 PM Andreas Tille <andreas@an3as.eu> wrote:
>
> Hi,
>
> I've checked the build logs of muscle version 5.1[1] and noticed that
> for instance on arm64 the build fails with:
>
> g++ -Wdate-time -D_FORTIFY_SOURCE=2 -DNDEBUG -pthread -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -O3 -fopenmp -ffast-math -c -o Linux/transaln.o transaln.cpp
> In file included from testlog.cpp:2:
> timing.h: In function ‘void cmd_testlog()’:
> timing.h:26:9: error: impossible constraint in ‘asm’
> 26 | __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi));
> | ^~~~~~~
This assembly is for x86 based system. On arm64 you would want
something like this:
* https://stackoverflow.com/a/67968296/136285
Something is definitely wrong upstream.
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