I'll tell you that what I would do first would be to make a new file and
gem install --user redcarpet pygments.rb
Then run that line from within TextMate using Bundles -> Shell Script ->
[You can also find it by pressing ⌘ + T and searching for "Execute
line" or by pressing ^ + R.]
That way you can be relatively sure that the `gem` that TextMate runs
commands with will be the one used to install pygments.
On 11 Nov 2019, at 10:39, Tao Zha wrote:
After I updated macOS Catalina, Markdown Preview no longer works. I
got the following error message:
Please install the Redcarpet and Pygments.rb RubyGems by running the
/usr/bin/gem install --user redcarpet pygments.rb
After I ran the above command, I received the following error message
from the Terminal:
$ /usr/bin/gem install --user redcarpet pygments.rb
Building native extensions. This could take a while...
ERROR: Error installing redcarpet:
ERROR: Failed to build gem native extension.
-r ./siteconf20191111-836-11oqvm2.rb extconf.rb
mkmf.rb can't find header files for ruby at
You might have to install separate package for the ruby development
environment, ruby-dev or ruby-devel for example.
extconf failed, exit code 1
Gem files will remain installed in
/Users/tzha/.gem/ruby/2.6.0/gems/redcarpet-3.5.0 for inspection.
Results logged to
Successfully installed pygments.rb-1.2.1
Parsing documentation for pygments.rb-1.2.1
Done installing documentation for pygments.rb after 0 seconds
1 gem installed
Can someone help me to resolve this issue?
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