[issue41116] build on macOS 11 (beta) does not find system-supplied third-party libraries

2021-01-12 Thread seb
seb added the comment: I tried that before, also with your command, without success. I saw that the CFLAGS includes weren't forwarded to the compiler - I don't know if that is only an issue here on my system. So instead I modified the setup.py and added the directory manually. It

[issue41116] build on macOS 11 (beta) does not find system-supplied third-party libraries

2021-01-11 Thread seb
seb added the comment: Thanks for the help! I tried the instructions, without success. I installed xz through homebrew (which needs to be installed on Silicon under /opt/homebrew). I can confirm the existance of: /opt/homebrew/Cellar/xz/5.2.5/include/lzma.h I used CPPFLAGS and also modified

[issue41116] build on macOS 11 (beta) does not find system-supplied third-party libraries

2021-01-08 Thread seb
seb added the comment: I am running macOS Big Sur Version 11.1 on Silicon and still get the error about the missing lzma.h file. I can confirm that I use the latest Python 3.9.1 version which includes the patches of this issue. gcc -Wno-unused-result -Wsign-compare -Wunreachable-code