Add matreshka_sql_mysql (#143)

index/li/libmysqlclient/libmysqlclient-external.toml

@@ -0,0 +1,16 @@
+description = "MySQL client libraries"
+name = "libmysqlclient"
+licenses = []
+maintainers = ["Maxim Reznik <reznikmm@gmail.com>"]
+maintainers-logins = ["reznikmm"]
+
+[[external]]
+kind = "system"
+[external.origin."case(distribution)"]
+"debian|ubuntu" = ["libmysqlclient-dev"]
+
+# No mysql library on msys2
+[external.available.'case(os)']
+windows = false
+'...'   = true
+

index/ma/matreshka_sql_mysql/matreshka_sql_mysql-20.1.0.toml

@@ -0,0 +1,20 @@
+description = "MySQL binding for Ada"
+name = "matreshka_sql_mysql"
+version = "20.1.0"
+website = "https://forge.ada-ru.org/matreshka"
+authors = ["Vadim Godunko"]
+licenses = ["BSD 3-Clauses"]
+maintainers = ["Vadim Godunko <vgodunko@gmail.com>", "Maxim Reznik <reznikmm@gmail.com>"]
+maintainers-logins = ["godunko", "reznikmm"]
+project-files = ["build_matreshka_sql_mysql.gpr"]
+tags = ["sql", "datadase", "db", "mysql", "mariadb"]
+
+[[depends-on]]
+libmysqlclient = "any"
+matreshka_league = "20.1.0"
+matreshka_sql = "20.1.0"
+
+[origin]
+# NOTE: Use the same dummy archive to build subproject as in 18.1
+url = "https://github.com/reznikmm/matreshka-alire/archive/matreshka_sql_mysql-18.1.tar.gz"
+hashes = ["sha512:0e1d8df48521ceb79bb74081c8d4d79980c47711040468cf6f0a07abb136db4dfe3fd84bf3e01df3482d8c110fdb17086ac7e48716aa03928ef6a8baf61e750d"]