我正在Linux AWS上运行Ruby 2.0.0p645。
我尝试了gem install mechanize
,但收到了这个错误:
Building native extensions. This could take a while...
ERROR: Error installing mechanize:
ERROR: Failed to build gem native extension.
/usr/bin/ruby2.0 extconf.rb
checking for main() in -lstdc++... no
creating Makefile
make "DESTDIR="
g++ -I. -I/usr/include/ruby/2.0 -I/usr/include/ruby/2.0/ruby/backward -I/usr/include/ruby/2.0 -I. -fPIC -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -mtune=generic -m64 -o unf.o -c unf.cc
make: g++: Command not found
make: *** [unf.o] Error 127
Gem files will remain installed in /path/to/.gem/ruby/2.0/gems/unf_ext-0.0.7.1 for inspection.
Results logged to /path/to/.gem/ruby/2.0/gems/unf_ext-0.0.7.1/ext/unf_ext/gem_make.out
如何解决此问题,以便在虚拟机上安装mechanize
?
答案 0 :(得分:2)
看起来您可能需要安装libstdc ++。对于Debian或Ubuntu,请尝试:
sudo apt-get install build-essential libstdc++6
然后重试安装gem。