removed libmariadb submodule

Added support for mariadb_config (posix only)
You can build now by specify location of mariadb_config, e.g.
python3.6 setup.py build --mariadb_config=/opt/local/bin/mariadb_config

.gitmodules

@@ -1,3 +1,4 @@
-[submodule "libmariadb"]
-	path = libmariadb
-	url = https://github.com/Mariadb/mariadb-connector-c.git
+[submodule "mariadb-connector-c"]
+	path = mariadb-connector-c
+	url = https://github.com/MariaDB/mariadb-connector-c.git
+	branch = 3.0

setup.py

@@ -3,43 +3,59 @@
 import os
 import sys
 import subprocess
+import string
 
 from distutils.core import setup, Extension
+from optparse import OptionParser
 
-def build_libmariadb(build_type):
-  if build_type != "Debug" and build_type != "RelWithDebInfo" and build_type != "Release":
-    raise Exception("Invalid value for build type")
+def mariadb_config(config, option):
+  from os import popen
+  if config is None:
+    config="mariadb_config"
+  file= popen("%s --%s" % (config, option))
+  data= file.read().strip().split()
+  rc= file.close()
+  if rc:
+    if rc/256:
+      data= []
+    if rc/256 > 1:
+      raise EnvironmentError("mariadb_config not found")
+  return data
 
-  if not os.path.isfile('libmariadb/CMakeLists.txt'):
-    subprocess.call('git submodule update --init --recursive && mkdir libmariadb/bld', shell=True)
 
-  if sys.platform == "win32":
-    build_libmariadb= "cd libmariadb/bld && cmake .. && cmake --build . --config %s" % build_type
-  else:
-    build_libmariadb= "cd libmariadb/bld && cmake .. -DCMAKE_BUILD_TYPE=%s && make -j4" % build_type
-  subprocess.call(build_libmariadb, shell=True)
+def dequote(s):
+  if s[0] in "\"'" and s[0] == s[-1]:
+   s = s[1:-1]
+  return s
 
-build_libmariadb("Debug")
+parser=OptionParser()
+parser.add_option("--mariadb_config", dest="mariadb_config",
+                  help="Location of mariadb_config")
+required_version="3.1.0"
+
+optlist, args= parser.parse_args()
+cc_version= mariadb_config(optlist.mariadb_config, "cc_version")
+if cc_version[0] < required_version:
+  print("MariaDB Connector/C required MariaDB Connector/C >= %s") % (required_version)
+  sys.exit(2)
+libs= mariadb_config(optlist.mariadb_config, "libs")
+mariadb_lib_dirs = [ dequote(i[2:]) for i in libs if i.startswith("-L") ]
+mariadb_libs = [ dequote(i[2:]) for i in libs if i.startswith("-l") ]
+includes= mariadb_config(optlist.mariadb_config, "include")
+mariadb_includes = [ dequote(i[2:]) for i in includes if i.startswith("-I") ]
+mariadb_includes.extend(["./include"])
+if optlist.mariadb_config is not None:
+  sys.argv.remove("--mariadb_config=%s" % (optlist.mariadb_config))
 
-mariadb_includes=["libmariadb/include", "libmariadb/bld/include", "./include"]
-if not sys.platform == "win32":
-  mariadb_lib_dirs=["libmariadb/bld/libmariadb"]
-  mariadb_libraries=["dl","m","pthread","ssl","crypto"]
-  static_lib="libmariadb/bld/libmariadb/libmariadbclient.a"
-else:
-  mariadb_lib_dirs=["libmariadb/bld/libmariadb/%s" % build_type]
-  mariadb_libraries=[]
-  static_lib = "libmariadb/bld/libmariadb/%s/mysqlclient.lib" % build_type
 
 setup(name='mariadb',
-      version='0.9.1',
-      description='Python MariaDB extension',
-      author='Georg Richter',
-      url='http://www.mariadb.com',
-      ext_modules=[Extension('mariadb', ['src/mariadb.c', 'src/mariadb_connection.c', 'src/mariadb_exception.c', 'src/mariadb_cursor.c', 'src/mariadb_codecs.c', 'src/mariadb_field.c', 'src/mariadb_dbapitype.c', 'src/mariadb_indicator.c'],
-      include_dirs=mariadb_includes,
-      library_dirs= mariadb_lib_dirs,
-      libraries= mariadb_libraries,
-      extra_objects=[static_lib]
-      )],
-      )
+     version='0.9.1',
+     description='Python MariaDB extension',
+     author='Georg Richter',
+     url='http://www.mariadb.com',
+     ext_modules=[Extension('mariadb', ['src/mariadb.c', 'src/mariadb_connection.c', 'src/mariadb_exception.c', 'src/mariadb_cursor.c', 'src/mariadb_codecs.c', 'src/mariadb_field.c', 'src/mariadb_dbapitype.c', 'src/mariadb_indicator.c'],
+     include_dirs=mariadb_includes,
+     library_dirs= mariadb_lib_dirs,
+     libraries= mariadb_libs
+     )],
+     )