===> Installing for ruby34-RMagick-6.1.1nb2
=> Generating pre-install file lists
=> Installing gem into installation root
Building native extensions. This could take a while...
ERROR:  Error installing /Users/pbulk/build/graphics/ruby-RMagick/work/rmagick-6.1.1/rmagick-6.1.1.gem:
	ERROR: Failed to build gem native extension.

    current directory: /Users/pbulk/build/graphics/ruby-RMagick/work/.inst/opt/pkg/lib/ruby/gems/3.4.0/gems/rmagick-6.1.1/ext/RMagick
/opt/pkg/bin/ruby34 extconf.rb
checking for brew... no
checking for pacman... no

Detected ImageMagick packages:
- /Users/pbulk/build/graphics/ruby-RMagick/work/.buildlink/lib/pkgconfig/ImageMagick-7.Q16HDRI.pc

checking for outdated ImageMagick version (<= 6.8.9)... no
checking for clang++... yes
*** 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=${opt-dir}/include
	--without-opt-include
	--with-opt-lib=${opt-dir}/lib
	--without-opt-lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/opt/pkg/bin/$(RUBY_BASE_NAME)34
	--with-pkg-config
	--without-pkg-config
	--with-override-variables
	--without-override-variables
/opt/pkg/lib/ruby/3.4.0/mkmf.rb:528:in 'MakeMakefile#try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.

	from /opt/pkg/lib/ruby/3.4.0/mkmf.rb:621:in 'MakeMakefile#try_link0'
	from /opt/pkg/lib/ruby/3.4.0/mkmf.rb:639:in 'MakeMakefile#try_link'
	from extconf.rb:124:in 'RMagick::Extconf#configure_compile_options'
	from extconf.rb:49:in 'RMagick::Extconf#initialize'
	from extconf.rb:353:in 'Class#new'
	from extconf.rb:353:in '<main>'

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

  /Users/pbulk/build/graphics/ruby-RMagick/work/.inst/opt/pkg/lib/ruby/gems/3.4.0/extensions/arm64-darwin-23/3.4.0/rmagick-6.1.1/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in /Users/pbulk/build/graphics/ruby-RMagick/work/.inst/opt/pkg/lib/ruby/gems/3.4.0/gems/rmagick-6.1.1 for inspection.
Results logged to /Users/pbulk/build/graphics/ruby-RMagick/work/.inst/opt/pkg/lib/ruby/gems/3.4.0/extensions/arm64-darwin-23/3.4.0/rmagick-6.1.1/gem_make.out
*** Error code 1

Stop.
bmake[1]: stopped making "stage-install" in /Volumes/data/jenkins/workspace/pkgsrc-macos-upstream-arm64/graphics/ruby-RMagick
*** Error code 1

Stop.
bmake: stopped making "stage-install" in /Volumes/data/jenkins/workspace/pkgsrc-macos-upstream-arm64/graphics/ruby-RMagick