Building native extensions. This could take a while...
ERROR:  Error installing github-pages:
	ERROR: Failed to build gem native extension.

    current directory: /home/aaronh/.gems/gems/ffi-1.15.5/ext/ffi_c
/nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/bin/ruby -I /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0 extconf.rb
checking for ffi.h... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/bin/$(RUBY_BASE_NAME)
	--with-ffi_c-dir
	--without-ffi_c-dir
	--with-ffi_c-include
	--without-ffi_c-include=${ffi_c-dir}/include
	--with-ffi_c-lib
	--without-ffi_c-lib=${ffi_c-dir}/lib
	--enable-system-libffi
	--disable-system-libffi
	--with-libffi-dir
	--without-libffi-dir
	--with-libffi-include
	--without-libffi-include=${libffi-dir}/include
	--with-libffi-lib
	--without-libffi-lib=${libffi-dir}/lib
	--with-libffi-config
	--without-libffi-config
	--with-pkg-config
	--without-pkg-config
	--with-ffi-dir
	--without-ffi-dir
	--with-ffi-include
	--without-ffi-include=${ffi-dir}/include
	--with-ffi-lib
	--without-ffi-lib=${ffi-dir}/lib
/nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:498:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:624:in `block in try_compile'
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:573:in `with_werror'
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:624:in `try_compile'
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:1160:in `block in have_header'
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:1007:in `block in checking_for'
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:362:in `block (2 levels) in postpone'
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:332:in `open'
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:362:in `block in postpone'
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:332:in `open'
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:358:in `postpone'
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:1006:in `checking_for'
	from /nix/store/5f8lz6g6a8f3cihzndwbhw71pxhg60fd-ruby-3.1.2/lib/ruby/3.1.0/mkmf.rb:1159:in `have_header'
	from extconf.rb:10:in `system_libffi_usable?'
	from extconf.rb:42:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /home/aaronh/.gems/extensions/x86_64-linux/3.1.0/ffi-1.15.5/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in /home/aaronh/.gems/gems/ffi-1.15.5 for inspection.
Results logged to /home/aaronh/.gems/extensions/x86_64-linux/3.1.0/ffi-1.15.5/gem_make.out