problems with installation of ruby-packer about ruby-packer HOT 4 OPEN

Sounds like Visual Studio command line tools aren't available. Are you able to run nmake from the command line?

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Thank you! You were right. The error does not show up when I run "rubyc" from the VS command prompt and not from the "normal"/usual one.
However when I run "rubyc" now it keeps running for quite some time and then aborts with an error, that the command "bison" could not be found.

Do you have any idea how to fix that? I googled it but did not find any solution.

from ruby-packer.

Your error message seems to say The command "bison" is either misspelled or could not be found", so maybe bison for win32 will help?

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Same issue on Linux with bison: command not found.
Installing bison with sudo apt install bison works (as in the Docker file in #39)

So I suggest to simply add bison along squashfs-tools in the list of Linux/OSX dependencies (Install on Linux/macOS sections), and bison for Windows in Install on Windows as drbrain suggested.

I also suggest editing this issue's title to something like "bison: command not found on compile -> suggest adding bison as dependency in README" to make it more specific.

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