帮助大家，
我试图在捆绑安装期间失败后在项目中安装eventmachine gem。
gem install eventmachine -v '1.0.5'
日志：
Building native extensions. This could take a while...
ERROR: Error installing eventmachine:
ERROR: Failed to build gem native extension.
/Users/studiohb/.rvm/rubies/ruby-2.1.2/bin/ruby extconf.rb
checking for rb_trap_immediate in ruby.h,rubysig.h... no
checking for rb_thread_blocking_region()... yes
checking for ruby/thread.h... yes
checking for rb_thread_call_without_gvl() in ruby/thread.h... yes
checking for inotify_init() in sys/inotify.h... no
checking for __NR_inotify_init in sys/syscall.h... no
checking for writev() in sys/uio.h... yes
checking for rb_thread_fd_select()... yes
checking for rb_wait_for_single_fd()... yes
checking for rb_enable_interrupt()... no
checking for rb_time_new()... yes
checking for sys/event.h... yes
checking for sys/queue.h... yes
checking for clock_gettime()... no
checking for gethrtime()... no
creating Makefile
make "DESTDIR=" clean
make "DESTDIR="
compiling binder.cpp
In file included from binder.cpp:20:
./project.h:116:10: fatal error: 'openssl/ssl.h' file not found
#include <openssl/ssl.h>
^
1 error generated.
make: *** [binder.o] Error 1
make failed, exit code 2
Gem files will remain installed in /Users/studiohb/.rvm/gems/ruby-2.1.2@regiex/gems/eventmachine-1.0.5 for inspection.
Results logged to /Users/studiohb/.rvm/gems/ruby-2.1.2@regiex/extensions/x86_64-darwin-13/2.1.0-static/eventmachine-1.0.5/gem_make.out
所以我相信这是我尝试过的SSL证书问题：
brew link --force openssl
日志：
Warning: Refusing to link: openssl
Linking keg-only openssl means you may end up linking against the insecure,
deprecated system OpenSSL while using the headers from Homebrew's openssl.
Instead, pass the full include/library paths to your compiler e.g.:
你们对解决这个错误有什么想法吗？