FROM larskanis/rake-compiler-dock-mri:0.7.0 RUN find / -name rbconfig.rb | while read f ; do sed -i 's/0x0501/0x0600/' $f ; done RUN find / -name win32.h | while read f ; do sed -i 's/gettimeofday/rb_gettimeofday/' $f ; done RUN find / -name libwinpthread.dll.a | xargs rm RUN find / -name libwinpthread-1.dll | xargs rm RUN find / -name *msvcrt-ruby*.dll.a | while read f ; do n=`echo $f | sed s/.dll//` ; mv $f $n ; done RUN apt-get install -y g++-multilib CMD bash