Today, I want to build Firefox myself. So I found this post: Simple Firefox build, and there is a link, which could help me setup the prerequisites. The link is Linux Build Prerequisites. But when I followed the instruction and input this command:
wget -q https://hg.mozilla.org/mozilla-central/raw-file/default/python/mozboot/bin/bootstrap.py -O bootstrap.py && python bootstrap.py
Something weird happened!! It sayed that:
Your version of Mercurial (3.5.1) is not modern enough. Traceback (most recent call last): File "bootstrap.