php - mac下通过pecl安装mongodb，报错
/private/tmp/pear/install/mongodb/src/libmongoc/src/mongoc/mongoc-crypto-openssl.c:24:10: fatal error: 'openssl/sha.h' file not found
#include <openssl/sha.h>
^
1 error generated.
make: *** [src/libmongoc/src/mongoc/mongoc-crypto-openssl.lo] Error 1
ERROR: `make' failed
用pecl安装报如上错误，有童鞋知道咋回事吗？
已经安装openssl
