"mysqlclient.pc" not found

[wangzzcloud]

Path：/usr/local/lib/pkgconfig/mysqlclient.pc
"mysqlclient.pc" not found

do "swift build",then this is log:

/Users/wangzz/Desktop/MyAwesomeProject/.build/checkouts/Perfect-mysqlclient.git-5333716826204139417/module.modulemap:2:12: error: header '/usr/local/include/mysql/mysql.h' not found
    header "/usr/local/include/mysql/mysql.h"
           ^
/Users/wangzz/Desktop/MyAwesomeProject/.build/checkouts/Perfect-MySQL.git-4976130768219902098/Sources/PerfectMySQL/MySQL.swift:13:8: error: could not build Objective-C module 'mysqlclient'
import mysqlclient
       ^
/Users/wangzz/Desktop/MyAwesomeProject/.build/checkouts/Perfect-mysqlclient.git-5333716826204139417/module.modulemap:2:12: error: header '/usr/local/include/mysql/mysql.h' not found
    header "/usr/local/include/mysql/mysql.h"
           ^
/Users/wangzz/Desktop/MyAwesomeProject/.build/checkouts/Perfect-MySQL.git-4976130768219902098/Sources/PerfectMySQL/MySQL.swift:13:8: error: could not build Objective-C module 'mysqlclient'
import mysqlclient
       ^
/Users/wangzz/Desktop/MyAwesomeProject/.build/checkouts/Perfect-mysqlclient.git-5333716826204139417/module.modulemap:2:12: error: header '/usr/local/include/mysql/mysql.h' not found
    header "/usr/local/include/mysql/mysql.h"
           ^
/Users/wangzz/Desktop/MyAwesomeProject/.build/checkouts/Perfect-MySQL.git-4976130768219902098/Sources/PerfectMySQL/MySQL.swift:13:8: error: could not build Objective-C module 'mysqlclient'
import mysqlclient
       ^
/Users/wangzz/Desktop/MyAwesomeProject/.build/checkouts/Perfect-mysqlclient.git-5333716826204139417/module.modulemap:2:12: error: header '/usr/local/include/mysql/mysql.h' not found
    header "/usr/local/include/mysql/mysql.h"
           ^
/Users/wangzz/Desktop/MyAwesomeProject/.build/checkouts/Perfect-MySQL.git-4976130768219902098/Sources/PerfectMySQL/MySQL.swift:13:8: error: could not build Objective-C module 'mysqlclient'
import mysqlclient
       ^
error: terminated(1): /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-build-tool -f /Users/wangzz/Desktop/MyAwesomeProject/.build/debug.yaml main output:
    

[wangzzcloud]

How to solve it?

[timotheeduran]

Try to run:
$ brew install mysql@5.7 && brew link mysql@5.7 --force
And then:
$ swift package generate-xcodeproj
This worked for me!