Rootcling invalid integral value

Hi, in at least root 6.28.4 to 6.30.4 installed with conda python3.9 to python3.11 on my mac m1, running rootcling with any valid arguments afterwards produces

error: invalid integral value '0 -fno-omit-frame-pointer' in '-O0 -fno-omit-frame-pointer'

Is this a known issue?

Dear @zhulcher ,

Thanks for reaching out to the forum! No, that is not a known issue, and I don’t know right away what might be causing it. Could you report the exact rootcling command you are issuing, and the environment variables present while running it?


After messing with my environment, it seems the cause was setting


without this, it seems to work.

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