When I tried to implement asynchronous processing and tried to install the jquery gem and "bundle install", I got the following error. In the first place, except for the newly added gem, it was recognized that it was installed ...
Installing libv8 3.16.14.19 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
../src/utils.h:33:10: fatal error: 'climits' file not found
#include <climits>
^~~~~~~~~
1 error generated.
| item | Contents |
|---|---|
| OS.Catalina | v10.15.4 |
| Ruby | v2.5.1 |
| Ruby On Rails | v5.2.4.3 |
** Correspondence 1) Set bundler ** I ran the following command to individually configure the bundler. Set the related "therubyracer" in the same way.
CMD>bundle config --local build.libv8 --with-system-v8
You are replacing the current local value of build.libv8, which is currently nil
CMD>bundle config --local build.therubyracer --with-v8-dir=/usr/local/opt/[email protected]
You are replacing the current local value of build.therubyracer, which is currently nil
```
Confirm that it has been registered with the following command.
`CMD>bundle config`
```
build.libv8
Set for your local app (/Users/ichikawadaisuke/projects/krown/.bundle/config): "--with-system-v8"
build.therubyracer
Set for your local app (/Users/ichikawadaisuke/projects/krown/.bundle/config): "--with-v8-dir=/usr/local/opt/[email protected]"
```
(Here, I set a path that does not pass, so it failed when installing the gem.)
Why next? mysql error ...
```
Installing mysql2 0.5.2 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
```
<font color='blue'>**to be continued....**</font>
### <font color ='lightblue'> Reference article </ font>
[Therubyracer error encountered during Rails bundle install and how to resolve it](https://qiita.com/kay-adamof/items/59c8a5dd8816660fc02d)
[What to do if bundle install does not work even though you have installed therubyracer on Rails](https://qiita.com/takecian/items/4e7504f6b5987d1621ae)
[Therubyracer cannot be installed](https://arika.org/2016/12/28/therubyracer-installation-failed/)
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