Failed to Build Gem Native Extension - Extconf.Rb Not Found

Error when installing Ruby on Rails: Failed to build gem native extension

Rails 4.0 needs RubyGem version 2.0.3, Just update your system by using following command

gem update --system 2.0.3

ruby install rails with Error ---Failed to build gem native extension.（Windows platform）

Just back from a vacation, and this problem has been solved during the holiday. Forgive me for not remembering to close this issue until now.XD

With the help of Josien's comments, the problem has narrowed down to gem install websocket-driver failed. It's easier to find this problem on stackoverflow-Error when trying to install gem websocket-driver-0.7.3

Finally, I solved this problem just by typing ridk install (to make MSYS2 work for ruby3.0.1)——I have installed MSYS2 and make it work under ruby2.7.4, but if you want to make it work for ruby3.0.1 samely , you need to excute this command under ruby3.0.1.

After installed MSYS2 for ruby3.0.1, rails installed sucessfully.

C:\Users\Administrator>Uru ls
    274p191     : ruby 2.7.4p191 (2021-07-07 revision a21a3b7d23) [x64-mingw32]
    310p0       : ruby 3.1.0p0 (2021-12-25 revision fb4df44d16) [x64-mingw-ucrt]

C:\Users\Administrator>ruby -v
ruby 3.1.0p0 (2021-12-25 revision fb4df44d16) [x64-mingw-ucrt]

C:\Users\Administrator>ridk install
 _____       _           _____           _        _ _         ___
|  __ \     | |         |_   _|         | |      | | |       |__ \
| |__) |   _| |__  _   _  | |  _ __  ___| |_ __ _| | | ___ _ __ ) |
|  _  / | | | '_ \| | | | | | | '_ \/ __| __/ _` | | |/ _ \ '__/ /
| | \ \ |_| | |_) | |_| |_| |_| | | \__ \ || (_| | | |  __/ | / /_
|_|  \_\__,_|_.__/ \__, |_____|_| |_|___/\__\__,_|_|_|\___|_||____|
                    __/ |           _
                   |___/          _|_ _  __   | | o __  _| _     _
                                   | (_) |    |^| | | |(_|(_)\^/_>

   1 - MSYS2 base installation
   2 - MSYS2 system update (optional)
   3 - MSYS2 and MINGW development toolchain

Which components shall be installed? If unsure press ENTER [1,3] 1,3

> sh -lc true
MSYS2 seems to be properly installed
Install MSYS2 and MINGW development toolchain ...
> pacman -S --needed --noconfirm autoconf autogen automake-wrapper diffutils file 
...
...
...
Install MSYS2 and MINGW development toolchain succeeded

   1 - MSYS2 base installation
   2 - MSYS2 system update (optional)
   3 - MSYS2 and MINGW development toolchain

Which components shall be installed? If unsure press ENTER []

C:\Users\Administrator>gem install rails
Building native extensions. This could take a while...
Successfully installed websocket-driver-0.7.5
Building native extensions. This could take a while...
Successfully installed nio4r-2.5.8
Successfully installed actioncable-7.0.2
Successfully installed rails-7.0.2
Parsing documentation for websocket-driver-0.7.5
Installing ri documentation for websocket-driver-0.7.5
Parsing documentation for nio4r-2.5.8
Installing ri documentation for nio4r-2.5.8
Parsing documentation for actioncable-7.0.2
Installing ri documentation for actioncable-7.0.2
Parsing documentation for rails-7.0.2
Installing ri documentation for rails-7.0.2
Done installing documentation for websocket-driver, nio4r, actioncable, rails after 2 seconds
4 gems installed

C:\Users\Administrator>rails -v
Rails 7.0.2

ERROR: Failed to build gem native extension on Windows

Finally after much research I found the culprit was the RubyGems version incompatibility with native extension gems!!!

I had ruby gems ver 2.4.1 but seems like >2.4.0 has these issues

gem update --system 2.3.0 did the trick for me :)

Refer: https://github.com/rubygems/rubygems/issues/977

Failed to install when creating project in rails because of sqlite3 in windows

Finally I give up, with sqlite3 it is impossible to make it work, it s one after another error.
The final solution after a dozen errors is to create the project with postgresql, install postgresql in Windows, and then create the project, and configure the database.yml file.

Receive: ERROR: Failed to build gem native extension when trying to install rails gem on ruby 1.9.2 using pik

The relevant part of the error message is gcc: Command not found; so the compiler is not available to compile the code locally.

If you already have gcc installed on your machine somewhere, make sure it is included in the PATH.

Check the How to install gcc on windows 7 machine? for guidance on how to install gcc on windows.

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