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Comments (4)

jcupitt avatar jcupitt commented on June 9, 2024 1

I think this is fixed, I'll close.

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alucryd avatar alucryd commented on June 9, 2024

Hmm, maybe a bug in llvm, unrelated to vips: ziglang/zig#18074

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lovell avatar lovell commented on June 9, 2024

I agree this looks like an (old) LLVM linker bug - see https://bugs.llvm.org/show_bug.cgi?id=25510

libvips currently uses a compiler-based check for this feature:

libvips/meson.build

Lines 146 to 158 in 159e8be

# HAVE_TARGET_CLONES
target_clones_check = '''
static int __attribute__((target_clones("default,avx")))
has_target_clones(void) {
return 0;
}
int main(void) {
return has_target_clones();
}
'''
if cc.compiles(target_clones_check, args: '-Werror', name: 'Has target_clones attribute')
cfg_var.set('HAVE_TARGET_CLONES', '1')
endif

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kleisauke avatar kleisauke commented on June 9, 2024

A potential workaround might involve using cc.links instead of cc.compiles for that particular test, similar to how it's done in libspng (see e.g. commit randy408/libspng@dc944de).

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