无法安装指南针 [英] unable to install compass

问题描述

上周，由于bash易受攻击的问题"，我在cygwin中进行了更新.
之后，我无法再编译sass了.
我尝试重新安装ruby，但是在安装失败并重新安装cygwin之后，我安装了它并用
"gem update --system"
更新了 它可以运行，但是当我尝试安装指南针时，出现以下消息:

Last week I made an update in cygwin because of the bash "vulnerable problem".
After that I couldn't compile sass anymore.
I tried to reinstall ruby, after some install fails and reinstalling cygwin I installed it and updated with
"gem update --system"
it run, but when I tried to install compass I got following message:

> /usr/bin/ruby.exe -r ./siteconf20141006-7856-1td7wzb.rb extconf.rb 
> checking for ffi.h... *** 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=/usr/bin/ruby 
> --with-ffi_c-dir 
> --without-ffi_c-dir 
> --with-ffi_c-include 
> --without-ffi_c-include=${ffi_c-dir}/include 
> --with-ffi_c-lib 
> --without-ffi_c-lib=${ffi_c-dir}/ 
> --with-libffi-config 
> --without-libffi-config 
> --with-pkg-config 
> --without-pkg-config  /usr/share/ruby/2.0.0/mkmf.rb:434:in `try_do': The compiler failed to generate an executable file. (RuntimeError) 
> You have to install development tools first.  from
> /usr/share/ruby/2.0.0/mkmf.rb:565:in `try_cpp'  from
> /usr/share/ruby/2.0.0/mkmf.rb:1044:in `block in have_header'  from
> /usr/share/ruby/2.0.0/mkmf.rb:895:in `block in checking_for'  from
> /usr/share/ruby/2.0.0/mkmf.rb:340:in `block (2 levels) in postpone' 
> from /usr/share/ruby/2.0.0/mkmf.rb:310:in `open'  from
> /usr/share/ruby/2.0.0/mkmf.rb:340:in `block in postpone'  from
> /usr/share/ruby/2.0.0/mkmf.rb:310:in `open'  from
> /usr/share/ruby/2.0.0/mkmf.rb:336:in `postpone'  from
> /usr/share/ruby/2.0.0/mkmf.rb:894:in `checking_for'  from
> /usr/share/ruby/2.0.0/mkmf.rb:1043:in `have_header'  from
> extconf.rb:16:in `<main>'
> 
> extconf failed, exit code 1

我尝试安装ffi("gem install ffi"和"gem install ffi --pre")，我得到了相同的消息

I tried to install ffi ("gem install ffi" and "gem install ffi --pre"),I got the same message

这是日志(.gem/ruby​​/extensions/x86_64-cygwin/ffi-1.9.5/gem_make.out)

here is the log (.gem/ruby/extensions/x86_64-cygwin/ffi-1.9.5/gem_make.out)

package configuration for libffi is not found 
"gcc -o conftest.exe -I/usr/include/ruby-2.0.0 -I/usr/include/ruby-2.0.0/ruby/backward -I/usr/include/ruby-2.0.0 -I. -ggdb -O2 -pipe -Wimplicit-function-declaration conftest.c -L. -L/usr/lib -L. -fstack-protector -lruby200 -lpthread -lrt -ldl -lcrypt " 
checked program was: 
/* begin */ 
1: #include "ruby.h" 
2: 
3: int main(int argc, char **argv) 
4: { 
5: return 0; 
6: } 
/* end */

我真的很沮丧！'

系统Windows 7 64位 Cygwin

system Windows 7 64bit Cygwin

推荐答案

是的，对我来说，这只是gcc环境，因此您可以尝试

Yep, for me it's just the gcc environment,so you can try

sudo apt-get install gcc

在ubuntu中对我有用:)

That worked for me in ubuntu :)

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