I would like to ask if you can help me with this error while installing RoR on my mac machine running on a macOS 10.12 version.
Based on this guide https://gorails.com/setup/osx/10.12-sierra
Menj]~$ brew install rbenv Warning: You are using OS X 10.12. We do not provide support for this pre-release version. You may encounter build failures or other breakages. Please create pull-requests instead of filing issues. ==> Installing dependencies for rbenv: pkg-config, makedepend, openssl, ruby-build ==> Installing rbenv dependency: pkg-config ==> Using the sandbox ==> Downloading https://pkgconfig.freedesktop.org/releases/pkg-config-0.29.1.tar.gz Already downloaded: /Users/Menj/Library/Caches/Homebrew/pkg-config-0.29.1.tar.gz ==> ./configure --prefix=/usr/local/Cellar/pkg-config/0.29.1_1 --disable-host-tool --with-internal-glib -- Last 15 lines from /Users/Menj/Library/Logs/Homebrew/pkg-config/01.configure: checking for awk... awk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking build system type... x86_64-apple-darwin16.0.0 checking host system type... x86_64-apple-darwin16.0.0 checking how to print strings... printf checking for style of include used by make... GNU checking for gcc... clang checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... configure: error: in `/private/tmp/pkg-config-20160831-40234-8gmr4o/pkg-config-0.29.1': configure: error: cannot run C compiled programs. If you meant to cross compile, use `--host'. See `config.log' for more details READ THIS: https://git.io/brew-troubleshooting If reporting this issue please do so at (not Homebrew/brew): https://github.com/Homebrew/homebrew-core/issues Warning: You are using OS X 10.12. We do not provide support for this pre-release version. You may encounter build failures or other breakages. Please create pull-requests instead of filing issues.
It sounds like possibly one solution is:
I have same problem. And I fixed it by select Xcode 8 Command Line Tool in the Xcode 8. (current Xcode 7.3)
Which I found here: https://github.com/Homebrew/homebrew-core/issues/3604
Maybe try that?
Unfortunately I don't have an extra computer at the moment to install Sierra on so I'll only be able to give suggestions without testing things out myself.
Another resources if your server can't connect to your repo.
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