While building tex-live using an on-device compiler for jailbroken iOS 13.5, I reached an error where lacheck would fail to build due to a missing lacheck.c
. The required file is present in the necessary location. Building the lacheck project directly results in no error. I found an instance of this same failure on a legitimate Ubuntu system in the tex-live mailing list, but I could not find anyone presenting a solution.
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deaton.dg
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The logs diagnose this error poorly; the real problem is a missing lexer. Thus, I installed flex from sbingner’s repo (and symlinked m4 to /opt/local/bin/gm4
), and the compilation continued.

deaton.dg
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