8.1-rc0 testfloat fails to compile

[Olaf Hering]

This is going on since a few weeks. I guess there is no check in CI to see if 
qemu.git#master compiles in Tumbleweed.

Since the switch to meson submodules, berkeley-testfloat-3 became mandatory. I 
think in the past I was able to ignore this submodule and not export it, so the 
following error did not show up:

[  141s] ../subprojects/berkeley-testfloat-3/source/genCases_f64.c: In function 
'f64Random':
[  141s] ../subprojects/berkeley-testfloat-3/source/genCases_f64.c:559:1: 
error: control reaches end of non-void function [-Werror=return-type]
[  141s]   559 | }
[  141s]       | ^
[  141s] cc1: some warnings being treated as errors

Apparently this is a known issue, 3ac1f81329f attempted to ignore such errors.
Do I need to tweak the global, system-provided CFLAGS myself, or can the source 
be fixed to address this? Disabling this error globally will hide errors 
elsewhere.

Maybe there is a way to append something to 
tests/fp/meson.build:libtestfloat.c_args? Right now it is apparently set to 
tfcflags+fpcflags+CFLAGS.


Olaf

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