How to fix missing "Python.h" on Arch Linux?

Question

Including "Python.h" in a C file:

#include <Python.h>

gives Python.h: No such file or directory error. I looked up for other people having the same problem and none gave a direct answer on how to install python*-dev (python2 and python3) on arch Linux. And by the way, this answer doesn't have an arch installation command.

Are you familiar with [pacman](https://wiki.archlinux.org/index.php/pacman)? — n. m. could be an AI, Jul 22 '20 at 14:06
"a viable package"? How do you check exactly if something is a "viable package" or not? `gives Python.h: No such file or directory` What command exactly "gives"? — KamilCuk, Jul 22 '20 at 14:07
Take a look at the arch wiki: https://wiki.archlinux.org/index.php/Python — Jacek Rojek, Jul 22 '20 at 14:07
/usr/include/python3.8/Python.h and why isn't this including exactly??? >:( — spooky_sec, Jul 22 '20 at 14:12
Please specify the command, compiler and compiler options you are using to compile the file. Please specify what command do you type in your terminal. `why isn't this including exactly?` Because the directory `/usr/include/python3.8` is not a default compiler search path. — KamilCuk, Jul 22 '20 at 14:13
Because `/usr/include/python3.8/` is not a standard place where header files are found. Read **all** the answers on the page you have linked to. — n. m. could be an AI, Jul 22 '20 at 14:13
Pacman installs *packages,* not individual files. See https://unix.stackexchange.com/questions/14858/in-arch-linux-how-can-i-find-out-which-package-to-install-that-will-contain-file to find out the proper package name. See also https://bbs.archlinux.org/viewtopic.php?id=39935 — tripleee, Jul 22 '20 at 14:15
ok how would I `correctly` include it? and I'm just running `gcc testing.c` — spooky_sec, Jul 22 '20 at 14:16
Try `gcc $(pkg-config --cflags python3) testing.c -o testing $(pkg-config --libs python3)`. — Ian Abbott, Jul 22 '20 at 14:18
@IanAbbott :) thanks! can you post it as an answer so I can mark it as solved? — spooky_sec, Jul 22 '20 at 14:22

score 4 · Answer 1 · edited Jan 31 '21 at 08:33

4

Turns out "Python.h" is already installed on Arch, but just wasn't in the standard header files location gcc $(pkg-config --cflags python3) testing.c -o testing solved it for me.

edited Jan 31 '21 at 08:33

funnydman

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answered Jul 22 '20 at 14:29

spooky_sec

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How to fix missing "Python.h" on Arch Linux?

1 Answers1