[sr-dev] [kamailio/kamailio] ld: library not found for -lssl (#2021)

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### Description

run ```bash make prefix=/ include_modules="db_mysql" all -j4 ``` and not found openssl lib

but here is my openssl path ```bash pkg-config --cflags openssl -I/usr/local/Cellar/openssl/1.0.2s/include pkg-config --libs openssl -L/usr/local/Cellar/openssl/1.0.2s/lib -lssl -lcrypto ``` ### Troubleshooting <img width="641" alt="屏幕快照 2019-07-31 下午6 54 47" src="https://user-images.githubusercontent.com/7347198/62206568-b3063080-b3c4-11e9-88ba-4f68b999b1d1.png">

#### Log Messages

``` /Applications/Xcode.app/Contents/Developer/usr/bin/make -C src/ all generating core/autover.h ... CC (gcc) [kamailio] core/ver.o CC (gcc) [kamailio] core/parser/parse_event.o CC (gcc) [kamailio] core/parser/parse_expires.o CC (gcc) [kamailio] core/parser/parse_fline.o CC (gcc) [kamailio] core/parser/parse_from.o CC (gcc) [kamailio] core/parser/parse_hname2.o CC (gcc) [kamailio] core/parser/parse_identity.o CC (gcc) [kamailio] core/parser/parse_identityinfo.o CC (gcc) [kamailio] core/parser/parse_methods.o CC (gcc) [kamailio] core/parser/parse_nameaddr.o CC (gcc) [kamailio] core/parser/parse_option_tags.o CC (gcc) [kamailio] core/parser/parse_param.o CC (gcc) [kamailio] core/parser/parse_ppi_pai.o CC (gcc) [kamailio] core/parser/parse_privacy.o CC (gcc) [kamailio] core/parser/parse_refer_to.o CC (gcc) [kamailio] core/parser/parse_require.o CC (gcc) [kamailio] core/parser/parse_retry_after.o CC (gcc) [kamailio] core/parser/parse_rpid.o CC (gcc) [kamailio] core/parser/parse_rr.o CC (gcc) [kamailio] core/parser/parse_sipifmatch.o CC (gcc) [kamailio] core/parser/parse_subscription_state.o CC (gcc) [kamailio] core/parser/parse_supported.o CC (gcc) [kamailio] core/parser/parse_to.o CC (gcc) [kamailio] core/parser/parse_uri.o CC (gcc) [kamailio] core/parser/parse_via.o CC (gcc) [kamailio] core/parser/parser_f.o CC (gcc) [kamailio] core/parser/digest/digest.o CC (gcc) [kamailio] core/parser/digest/digest_parser.o CC (gcc) [kamailio] core/parser/digest/param_parser.o CC (gcc) [kamailio] core/parser/contact/contact.o CC (gcc) [kamailio] core/parser/contact/parse_contact.o CC (gcc) [kamailio] core/parser/sdp/sdp.o CC (gcc) [kamailio] core/parser/sdp/sdp_helpr_funcs.o CC (gcc) [kamailio] core/rand/fastrand.o CC (gcc) [kamailio] core/rand/isaac/rand.o CC (gcc) [kamailio] core/cfg/cfg.o CC (gcc) [kamailio] core/cfg/cfg_ctx.o CC (gcc) [kamailio] core/cfg/cfg_script.o CC (gcc) [kamailio] core/cfg/cfg_select.o CC (gcc) [kamailio] core/cfg/cfg_struct.o yacc -d -b core/cfg core/cfg.y yacc -d -b core/cfg core/cfg.y CC (gcc) [M db_mysql.so] db_mysql.o CC (gcc) [M db_mysql.so] km_db_mysql.o CC (gcc) [M db_mysql.so] km_dbase.o CC (gcc) [M db_mysql.so] km_my_con.o flex -o core/lex.yy.c core/cfg.lex CC (gcc) [M db_mysql.so] km_res.o CC (gcc) [kamailio] core/cfg.tab.o CC (gcc) [M db_mysql.so] km_row.o CC (gcc) [M db_mysql.so] km_val.o CC (gcc) [M db_mysql.so] my_cmd.o CC (gcc) [M db_mysql.so] my_con.o CC (gcc) [M db_mysql.so] my_fld.o CC (gcc) [M db_mysql.so] my_res.o CC (gcc) [M db_mysql.so] my_uri.o CC (gcc) [L libsrdb2.1.0.0.dylib] db.o CC (gcc) [L libsrdb2.1.0.0.dylib] db_cmd.o CC (gcc) [L libsrdb2.1.0.0.dylib] db_con.o CC (gcc) [L libsrdb2.1.0.0.dylib] db_ctx.o CC (gcc) [kamailio] core/lex.yy.o CC (gcc) [L libsrdb1.1.0.0.dylib] db.o CC (gcc) [L libsrdb2.1.0.0.dylib] db_drv.o CC (gcc) [L libsrdb2.1.0.0.dylib] db_fld.o CC (gcc) [L libsrdb1.1.0.0.dylib] db_id.o CC (gcc) [L libsrdb2.1.0.0.dylib] db_gen.o CC (gcc) [L libsrdb2.1.0.0.dylib] db_pool.o CC (gcc) [L libsrdb2.1.0.0.dylib] db_rec.o CC (gcc) [L libsrdb1.1.0.0.dylib] db_pool.o CC (gcc) [L libsrdb1.1.0.0.dylib] db_query.o CC (gcc) [L libsrdb2.1.0.0.dylib] db_res.o CC (gcc) [L libsrdb2.1.0.0.dylib] db_uri.o CC (gcc) [L libsrdb1.1.0.0.dylib] db_res.o CC (gcc) [L libsrdb1.1.0.0.dylib] db_row.o LD (gcc) [L libsrdb2.1.0.0.dylib] libsrdb2.1.0.0.dylib LD (gcc) [kamailio] kamailio CC (gcc) [L libsrdb1.1.0.0.dylib] db_ut.o CC (gcc) [L libsrdb1.1.0.0.dylib] db_val.o LD (gcc) [L libsrdb1.1.0.0.dylib] libsrdb1.1.0.0.dylib LD (gcc) [M db_mysql.so] db_mysql.so ld: library not found for -lssl clang: error: linker command failed with exit code 1 (use -v to see invocation) make[2]: *** [db_mysql.so] Error 1 make[1]: *** [modules] Error 1 make: *** [all] Error 2 ```

### Possible Solutions

didn't know; it seems hard code on `kamailio`.

### Additional Information

* **Kamailio Version** - output of `kamailio -v`

``` (paste your output here) ```

* **Operating System**:

<!-- Details about the operating system, the type: Linux (e.g.,: Debian 8.4, Ubuntu 16.04, CentOS 7.1, ...), MacOS, xBSD, Solaris, ...; Kernel details (output of `uname -a`) -->

``` uname -a Darwin *****MacBook-Pro.local 18.7.0 Darwin Kernel Version 18.7.0: Thu Jun 20 18:42:21 PDT 2019; root:xnu-4903.270.47~4/RELEASE_X86_64 x86_64```