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Error installing gosu gem
biorails@biorails-dev4:~/work/slow_time_strategy$ gem install gosu -v '1.2.0' --source 'https://rubygems.org/'
Building native extensions. This could take a while...
ERROR: Error installing gosu:
ERROR: Failed to build gem native extension.
current directory: /home/biorails/.rvm/gems/ruby-2.5.8/gems/gosu-1.2.0/ext/gosu
/home/biorails/.rvm/rubies/ruby-2.5.8/bin/ruby -I /home/biorails/.rvm/rubies/ruby-2.5.8/lib/ruby/site_ruby/2.5.0 -r ./siteconf20211018-31439-1f4179y.rb extconf.rb
The Gosu gem requires some libraries to be installed system-wide.
See the following site for a list:
https://github.com/gosu/gosu/wiki/Getting-Started-on-Linux
checking for -lopenal... no
creating Makefile
current directory: /home/biorails/.rvm/gems/ruby-2.5.8/gems/gosu-1.2.0/ext/gosu
make "DESTDIR=" clean
current directory: /home/biorails/.rvm/gems/ruby-2.5.8/gems/gosu-1.2.0/ext/gosu
make "DESTDIR="
compiling ../../src/Audio.cpp
cc1plus: warning: command line option ‘-Wimplicit-int’ is valid for C/ObjC but not for C++
cc1plus: warning: command line option ‘-Wdeclaration-after-statement’ is valid for C/ObjC but not for C++
cc1plus: warning: command line option ‘-Wimplicit-function-declaration’ is valid for C/ObjC but not for C++
In file included from ../../src/Audio.cpp:1:
../../src/AudioImpl.hpp:12:10: fatal error: AL/al.h: No such file or directory
12 | #include <AL/al.h>
| ^~~~~~~~~
compilation terminated.
make: *** [Makefile:235: Audio.o] Error 1
make failed, exit code 2
Gem files will remain installed in /home/biorails/.rvm/gems/ruby-2.5.8/gems/gosu-1.2.0 for inspection.
Results logged to /home/biorails/.rvm/gems/ruby-2.5.8/extensions/x86_64-linux/2.5.0/gosu-1.2.0/gem_make.out
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