[Pkg-julia-devel] Bug#803206: openlibm: FTBFS on arm64

[Edmund Grimley Evans]

Source: openlibm
Version: 0.4.1+dfsg-3
Tags: patch

This builds on arm64 with very few changes. With the attached patch it
passed the test suite and only failed at the dh_makeshlibs stage
because of the list of symbols.

A few notes on the patch:

In several places Intel becomes another architecture rather than the
default.

Makefile, arm/fenv.h, include/fenv.h: Normally people treat
aarch64/arm64 as a separate architecture from arm but in this case
fenv.* is almost the same so I used arm/ for both.

bsdsrc/b_tgamma.c: Ordinary floating-point comparisons with NaN may
set FE_INVALID. They do on arm64, though not on Intel, apparently. So
use the C99 macros instead. (A fun alternative would be to put
"if (x != x) return x;" at the start of the function.)
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