我正在尝试学习Node.js版本4.2.1，当我尝试将mongoose安装到项目上时，会出现如下警告消息，但是，github上的this无法提供解决方案在osx上。 apt-get install libkrb5-dev似乎不适用于osx环境。顺便说一句，我正在运行os x El Capitan。如何解决这个问题？
> kerberos@0.0.15 install /Users/caoyang/WebstormProjects/Nodejs/node_modules/mongoose/node_modules/mongodb/node_modules/mongodb-core/node_modules/kerberos
> (node-gyp rebuild) || (exit 0)
CXX(target) Release/obj.target/kerberos/lib/kerberos.o
CXX(target) Release/obj.target/kerberos/lib/worker.o
CC(target) Release/obj.target/kerberos/lib/kerberosgss.o
../lib/kerberosgss.c:509:13: warning: implicit declaration of function
'gss_acquire_cred_impersonate_name' is invalid in C99
[-Wimplicit-function-declaration]
maj_stat = gss_acquire_cred_impersonate_name(&min_stat,
^
1 warning generated.
CC(target) Release/obj.target/kerberos/lib/base64.o
CXX(target) Release/obj.target/kerberos/lib/kerberos_context.o
SOLINK_MODULE(target) Release/kerberos.node