Eventmachine Gem Install Fail

Eventmachine gem install fail

I could install it, doing this steps:

1) tried a normal install:

gem install eventmachine

it fetched the version 1.0.3 of the gem, but failed in the make, because of a variable declaration conflit

2) edited the file:

c:\Ruby200-x64\lib\ruby\gems\2.0.0\gems\eventmachine-1.0.3\ext\project.h

and commented the line 97

//typedef int pid_t;

for a more robust correction, checkout the solution here https://github.com/eventmachine/eventmachine/pull/450/files

3) then, i've opened command prompt, and went to the gem folder

c:\Ruby200-x64\lib\ruby\gems\2.0.0\gems\eventmachine-1.0.3

and run:

gem build eventmachine.gemspec

You need git installed with the git.exe location in the PATH for this to work (such as C:\Users\YourUsername\AppData\Local\GitHub\PORTAB~1\bin).

4) it generated a eventmachine.gem file on the folder... So I've copied a file to a c:\tmp folder, and went to that folder and from there, I've typed:

gem install eventmachine-1.0.3.gem --local

And it installed successfully!

Error installing eventmachine gem

Try installing openssl and libstdc++.

If you are using rvm and have installed ruby in single user mode, you should omit sudo.

Can you paste the complete log of the error? Would be easier to answer your question with that.

UPDATE
Please refer to this answer https://stackoverflow.com/a/17386686/846970 in another stackoverflow thread and let me know if it works.

Ruby gem eventmachine unable to install

The problem was solved with help from the thread that @GraemeMcLean mentions in the comments above ( Eventmachine gem install fail )
This was a weird workaround though, and the authors of the gem should really fix this.

Jekyll eventmachine 1.2.7 error on bundle

I tried again, this time using ruby 2.7.1 instead of 2.7.2 and it worked.
I guess some update in ruby broke it, so for anyone stuck on this try using 2.7.1 or not the latest version of ruby.

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