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20 lines
879 B
Markdown
20 lines
879 B
Markdown
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---
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title: "Pyenv Build Flags"
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date: 2020-03-24T16:58:42-04:00
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draft: false
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tags: []
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---
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I ran into an issue with PyMC3 where it was expecting a certain symbol that Python wasn't compiled with.
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```
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Exception: Compilation failed (return status=1): /usr/bin/ld: /home/rozek/.pyenv/versions/3.8.2/lib/libpython3.8.a(floatobject.o): relocation R_X86_64_PC32 against symbol `PyFloat_Type' can not be used when making a shared object; recompile with -fPIC. /usr/bin/ld: final link failed: bad value. collect2: error: ld returned 1 exit status.
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```
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Since I use [`pyenv`](https://brandonrozek.com/blog/pyenv/) for Python version management, it turned out that I only needed to modify the `CFLAGS` variable to get this working
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```bash
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CFLAGS="-fPIC" pyenv install 3.8.2
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```
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Turns out you can configure other flags during Python installation as well such as `CPPFLAGS` and `LDFLAGS`.
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