`Make` seems freeze during the build on Linux (Windows WSL)

[foxy pirate cove / Fnaf]

It seems that make freeze during the build (I followed the steps in BUILD.md).

Here is the total output (with in the command):

(venv) user@computer:/mnt/c/Dcmt/noto-emoji$ time make -j 48
mkdir -p "build/emoji"
mkdir -p "build/quantized_pngs"
mkdir -p "build/compressed_pngs"
checking 3829 names
checking 3829 sequences
cannot process alias fe82b -> unknown_flag
cannot process alias fe82b -> unknown_flag
Done running checks
mkdir -p "build/flags"
mkdir -p "build/resized_flags"
mkdir -p "build/renamed_flags"
reuse build/emoji/emoji_u1f1e6.png
reuse build/emoji/emoji_u1f1e7.png
reuse build/emoji/emoji_u1f1ed.png
reuse build/emoji/emoji_u1f3b5.png
reuse build/emoji/emoji_u1f3fb.png
reuse build/emoji/emoji_u1f3fc.png
reuse build/emoji/emoji_u1f3fe.png
reuse build/emoji/emoji_u1f44b_1f3fd.png
reuse build/emoji/emoji_u1f5e8.png
reuse build/emoji/emoji_u1fa82.png

It's the same things since ~1h.

[foxy pirate cove / Fnaf]

Resolved, I just canceled (with Ctrl + C, Keyboard Interrupt) and restarted many times and finally just let it run all the night.