$ gem install charlock_holmes
Temporarily enhancing PATH for MSYS/MINGW...
Building native extensions. This could take a while...
ERROR: Error installing charlock_holmes:
ERROR: Failed to build gem native extension.
current directory: C:/ruby-2.6.6-1-x64/lib/ruby/gems/2.6.0/gems/charlock_holmes-0.7.7/ext/charlock_holmes
C:/ruby-2.6.6-1-x64/bin/ruby.exe -I C:/ruby-2.6.6-1-x64/lib/ruby/site_ruby/2.6.0 -r ./siteconf20230811-11676-9k390l.rb extconf.rb
checking for -licui18n... no
*********** icu required (brew install icu4c or apt-get install libicu-dev) ***********
*** 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=C:/ruby-2.6.6-1-x64/bin/$(RUBY_BASE_NAME)
--with-icu-dir
--without-icu-dir
--with-icu-include
--without-icu-include=${icu-dir}/include
--with-icu-lib
--without-icu-lib=${icu-dir}/lib
--with-icu-i18n-config
--without-icu-i18n-config
--with-pkg-config
--without-pkg-config
--with-icu-io-config
--without-icu-io-config
--with-icu-uc-config
--without-icu-uc-config
--with-icui18nlib
--without-icui18nlib
To see why this extension failed to compile, please check the mkmf.log which can be found here:
C:/ruby-2.6.6-1-x64/lib/ruby/gems/2.6.0/extensions/x64-mingw32/2.6.0/charlock_holmes-0.7.7/mkmf.log
extconf failed, exit code 1
Gem files will remain installed in C:/ruby-2.6.6-1-x64/lib/ruby/gems/2.6.0/gems/charlock_holmes-0.7.7 for inspection.
Results logged to C:/ruby-2.6.6-1-x64/lib/ruby/gems/2.6.0/extensions/x64-mingw32/2.6.0/charlock_holmes-0.7.7/gem_make.out
$ gem install charlock_holmes
Temporarily enhancing PATH for MSYS/MINGW...
Building native extensions. This could take a while...
ERROR: Error installing charlock_holmes:
ERROR: Failed to build gem native extension.
C:/ruby-2.6.6-1-x64/bin/ruby.exe -I C:/ruby-2.6.6-1-x64/lib/ruby/site_ruby/2.6.0 -r ./siteconf20230811-11676-9k390l.rb extconf.rb
checking for -licui18n... no
*********** icu required (brew install icu4c or apt-get install libicu-dev) ***********
*** 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=C:/ruby-2.6.6-1-x64/bin/$(RUBY_BASE_NAME)
--with-icu-dir
--without-icu-dir
--with-icu-include
--without-icu-include=${icu-dir}/include
--with-icu-lib
--without-icu-lib=${icu-dir}/lib
--with-icu-i18n-config
--without-icu-i18n-config
--with-pkg-config
--without-pkg-config
--with-icu-io-config
--without-icu-io-config
--with-icu-uc-config
--without-icu-uc-config
--with-icui18nlib
--without-icui18nlib
To see why this extension failed to compile, please check the mkmf.log which can be found here:
C:/ruby-2.6.6-1-x64/lib/ruby/gems/2.6.0/extensions/x64-mingw32/2.6.0/charlock_holmes-0.7.7/mkmf.log
extconf failed, exit code 1
Gem files will remain installed in C:/ruby-2.6.6-1-x64/lib/ruby/gems/2.6.0/gems/charlock_holmes-0.7.7 for inspection.
Results logged to C:/ruby-2.6.6-1-x64/lib/ruby/gems/2.6.0/extensions/x64-mingw32/2.6.0/charlock_holmes-0.7.7/gem_make.out