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I was trying to install jazzy on Mojave beta, but failed to do so, because I get this error

MacBook-Pro-Damian:~ damiandudycz$ sudo gem install jazzy
Password:
Building native extensions.  This could take a while...
ERROR:  Error installing jazzy:
    ERROR: Failed to build gem native extension.

    current directory: /Library/Ruby/Gems/2.3.0/gems/redcarpet-3.4.0/ext/redcarpet
/System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/bin/ruby -r ./siteconf20180821-24471-1py1trb.rb extconf.rb
creating Makefile

current directory: /Library/Ruby/Gems/2.3.0/gems/redcarpet-3.4.0/ext/redcarpet
make "DESTDIR=" clean

current directory: /Library/Ruby/Gems/2.3.0/gems/redcarpet-3.4.0/ext/redcarpet
make "DESTDIR="
make: *** No rule to make target `/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/include/ruby-2.3.0/universal-darwin18/ruby/config.h', needed by `autolink.o'.  Stop.

make failed, exit code 2

Gem files will remain installed in /Library/Ruby/Gems/2.3.0/gems/redcarpet-3.4.0 for inspection.
Results logged to /Library/Ruby/Gems/2.3.0/extensions/universal-darwin-18/2.3.0/redcarpet-3.4.0/gem_make.out

Can someone help me resolve this? Or maybe there is other way to install jazzy without gem?

Or maybe you know other good documentation generator for swift projects?

Damian Dudycz
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3 Answers3

2

Try this one

sudo gem install -n /usr/local/bin jazzy
Jin
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1

xcode-select --install did the thing for me.
Afterwards I was able to install jazzy via [sudo] gem install jazzy

Hugo B.
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0

This worked for me have no idea why but it did. I think it installed the Command line tools manually from the .pkg 

sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target /
itsshash1
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