Icarus Verilog / Bugs / #1034 Error: Unable to find the root module "-g2012" in the verilog source.

#1034 Error: Unable to find the root module "-g2012" in the verilog source.

Milestone: devel

Status: closed-invalid

Owner: nobody

Labels: None

Priority: 5

Updated: 2019-07-25

Created: 2019-07-24

Creator: Vatsal Choksi

Private: No

Hi, I am trying to use Icarus with cocotb. I have makefile where I have defined everything necessary to run the simulation using Icarus verilog. When I run the make command, I get the error as following:

error: Unable to find the root module "-g2012" in the Verilog source.
: Perhaps ``-s -g2012'' is incorrect?

/home/user/cocotb/cocotb/share/makefiles/simulators/Makefile.icarus:61: recipe for target 'sim_build/sim.vvp' failed
make[1]: *** [sim_build/sim.vvp] Error 1

Can someone help with what can be wrong here? Or is this a genuine bug?

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Martin Whitaker - 2019-07-25

status: open --> closed-invalid
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Martin Whitaker - 2019-07-25

If you use the -s option, you must provide the name of your top module. See the man page or https://iverilog.fandom.com/wiki/Iverilog_Flags#-s_topmodule

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Error: Unable to find the root module "-g2012" in the verilog source.

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#1034 Error: Unable to find the root module "-g2012" in the verilog source.

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