- sysroot += libwebp, libdeflate, libtiff 4.6 (+libjpeg-turbo, jbigkit-libs,
liblerc): from a NEEDED scan of every ELF object in the zip these are the
libs RHEL8/9 lack at the required version (PIL _imaging, vendor
libtiff.so.5, GUI binary libtiff.so.6).
- install step 9: run olex2c once as the owner so Olex2 writes
cctbx/cctbx_build/libtbx_env into the shared prefix (its first-start cold
start; users cannot write there). The upstream fable/sdrive.f error on
that run is expected and documented: libtbx_env is pickled before it.
- install step 10: second start + refine of the sucrose sample; die if
cctbx is still reported broken, warn on other errors.
- launcher: PYTHONNOUSERSITE=1.
duan_j
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