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Set SOURCE_DATE_EPOCH when building uv to prevent A64FX segfault #308

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Set SOURCE_DATE_EPOCH when building uv to prevent A64FX segfault #308

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03a03f7
Implement pre-prepare hook for uv builds
Neves-P Sep 23, 2026
7f4b90c
Update eb_hooks.py
Neves-P Sep 25, 2026
addbb8f
Move the pre prepare hook to the right location
Neves-P Sep 25, 2026
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26 changes: 25 additions & 1 deletion eb_hooks.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1182,6 +1182,30 @@ def pre_prepare_hook_LAMMPS_kokkos_CUDA_families(self, *args, **kwargs):
updated_cuda_cc = [v.replace('12.0f', '12.0') for v in cuda_cc]
update_build_option('cuda_compute_capabilities', updated_cuda_cc)


def pre_prepare_hook_uv_source_date_epoch(self, *args, **kwargs):
"""
Set SOURCE_DATE_EPOCH for uv builds.

This ensures that maturin uses an explicit timestamp while creating the
wheel rather than relying on the ZIP writer's default timestamp handling.
Otherwise the builds fail on A64FX.
"""
if self.name != 'uv':
raise EasyBuildError(
"uv-specific hook triggered for non-uv easyconfig?!"
)

source_date_epoch = str(int(datetime.datetime.now().timestamp()))

env.setvar('SOURCE_DATE_EPOCH', source_date_epoch)

print_msg(
"Set SOURCE_DATE_EPOCH=%s for %s %s",
source_date_epoch,
self.name,
self.version,
)

def post_prepare_hook_llvm_a64fx(self, *args, **kwargs):
"""
Expand All @@ -1203,7 +1227,6 @@ def pre_configure_hook(self, *args, **kwargs):
if self.name in ['FreeXL', 'libspatialite', 'VSEARCH']:
self.cfg.update('configopts', 'CPPFLAGS="-DOF=_Z_OF ${CPPFLAGS}"')


def pre_configure_hook_BLIS(self, *args, **kwargs):
"""
Pre-configure hook for BLIS
Expand Down Expand Up @@ -2455,6 +2478,7 @@ def post_easyblock_hook(self, *args, **kwargs):
'LLVM': pre_prepare_hook_llvm_a64fx,
'PyTorch': pre_prepare_hook_pytorch,
'Rust': pre_prepare_hook_llvm_a64fx,
'uv': pre_prepare_hook_uv_source_date_epoch,
}

POST_PREPARE_HOOKS = {
Expand Down
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