上周我更新了cygwin，因为bash存在“漏洞问题”。
然后我无法编译sass了。
我尝试重新安装ruby，在一些安装失败和重新安装cygwin之后我安装了它并使用“gem update --system”进行了更新。
它运行正常，但当我尝试安装compass时，我收到了以下消息：
> /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
这是日志(.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