README.md says "You do not need to build this repo" to use it, but then tracer_agent.js is missing

[smcpeak]

README.md says:

You do not need to build this repo in order to make changes (for a pull
request, or for local development).

but this is not true. An unbuilt frida-tools does not work:

frida-tools-unbuilt$ export PYTHONPATH=$(pwd)
frida-tools-unbuilt$ frida-trace -i puts ~/wrk/learn/c/hello/hello
Spawning `/home/scott/wrk/learn/c/hello/hello`...                       
Instrumenting...                                                    
Failed to start tracing: [Errno 2] No such file or directory: '/home/scott/wrk/frida/frida-tools-unbuilt/frida_tools/tracer_agent.js'
[normal output from the target program follows]

The problem is that tracer_agent.js is missing, which is solved by running make, which seems to be precisely what the README.md message is saying is not necessary.

[tikejc]

I had the same problem. Did you solve it?

[oleavr]

Run make to build it.