Compile Mattermost from source

how to the right way to build mattermost from source ???
1. i try from godep , and the compiling is done (godep go build -a)
i get an error if i execute it

panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x0 pc=0x534245]

goroutine 1 [running]:
github.com/mattermost/platform/api.NewServer()
        /root/go/gopath/src/github.com/mattermost/platform/api/server.go:28 +0x55
main.main()
        /root/mattermost/mattermost.go:66 +0x5ec

goroutine 9 [runnable]:
github.com/alecthomas/log4go.(*ConsoleLogWriter).run(0xc20801f660, 0x7f0824853000, 0xc208040008)
        /root/go/gopath/src/github.com/alecthomas/log4go/termlog.go:32
created by github.com/alecthomas/log4go.NewConsoleLogWriter
        /root/go/gopath/src/github.com/alecthomas/log4go/termlog.go:26 +0xcc

goroutine 6 [runnable]:
code.google.com/p/log4go.ConsoleLogWriter.run(0xc2080480c0, 0x7f0824853000, 0xc208040008)
        /root/go/gopath/src/code.google.com/p/log4go/termlog.go:27 +0x7a
created by code.google.com/p/log4go.NewConsoleLogWriter
        /root/go/gopath/src/code.google.com/p/log4go/termlog.go:19 +0x6b

goroutine 7 [syscall]:
os/signal.loop()
        /usr/local/go/src/os/signal/signal_unix.go:21 +0x1f
created by os/signal.init·1
        /usr/local/go/src/os/signal/signal_unix.go:27 +0x35

goroutine 10 [runnable]:
github.com/alecthomas/log4go.func·002()
        /root/go/gopath/src/github.com/alecthomas/log4go/filelog.go:78
created by github.com/alecthomas/log4go.NewFileLogWriter
        /root/go/gopath/src/github.com/alecthomas/log4go/filelog.go:119 +0x3e5

1. using makefile
   just do make

Starting docker containers
Building mattermost server
rm -Rf dist
/root/go/gopath/bin/godep go clean  -i ./...
GOFMT

gofmt sucess
cp ./model/version.go ./model/version.go.bak
sed -i'.make_mac_work' 's|_BUILD_NUMBER_|dev|g' ./model/version.go
sed -i'.make_mac_work' 's|_BUILD_DATE_|Mon Jan 25 09:35:43 UTC 2016|g' ./model/version.go
sed -i'.make_mac_work' 's|_BUILD_HASH_|f51d45f6cba0e5a1249146afe4a1c78cf32b7598|g' ./model/version.go
rm ./model/version.go.make_mac_work
/root/go/gopath/bin/godep go build  ./...
# _/tmp/mattermost
./mattermost.go:305: too many arguments in call to api.CreateUser
# _/tmp/mattermost/api
api/channel.go:737: not enough arguments in call to channel.ExtraEtag
api/user.go:398: undefined: model.SESSION_TIME_WEB_IN_SECS
api/user.go:401: undefined: model.SESSION_TIME_MOBILE_IN_DAYS
api/user.go:402: undefined: model.SESSION_TIME_MOBILE_IN_SECS
api/user.go:404: undefined: model.SESSION_TIME_WEB_IN_DAYS
# _/tmp/mattermost/manualtesting
manualtesting/manual_testing.go:117: undefined: model.SESSION_TIME_WEB_IN_SECS
# _/tmp/mattermost/web
web/web.go:551: not enough arguments in call to api.SendEmailChangeVerifyEmailAndForget
web/web.go:553: not enough arguments in call to api.SendVerifyEmailAndForget
web/web.go:685: too many arguments in call to api.GetAuthorizationCode
web/web.go:697: assignment count mismatch: 3 = 4
web/web.go:702: undefined: model.USER_AUTH_SERVICE_GITLAB
web/web.go:703: undefined: model.GitLabUserFromJson
web/web.go:704: undefined: model.UserFromGitLabUser
web/web.go:747: too many arguments in call to api.CreateUser
web/web.go:747: multiple-value api.CreateUser() in single-value context
web/web.go:785: too many arguments in call to api.GetAuthorizationCode
web/web.go:785: too many errors
godep: go exit status 2
make: *** [build-server] Error 1

make test output :

 Starting docker containers
/root/go/gopath/bin/godep go test  -run=. -test.v -test.timeout=180s ./api || exit 1
# _/tmp/mattermost/api
api/channel.go:737: not enough arguments in call to channel.ExtraEtag
api/user.go:398: undefined: model.SESSION_TIME_WEB_IN_SECS
api/user.go:401: undefined: model.SESSION_TIME_MOBILE_IN_DAYS
api/user.go:402: undefined: model.SESSION_TIME_MOBILE_IN_SECS
api/user.go:404: undefined: model.SESSION_TIME_WEB_IN_DAYS
api/admin_test.go:172: Client.GetAnalytics undefined (type *model.Client has no field or method GetAnalytics)
api/admin_test.go:183: Client.GetAnalytics undefined (type *model.Client has no field or method GetAnalytics)
api/admin_test.go:242: Client.GetAnalytics undefined (type *model.Client has no field or method GetAnalytics)
api/admin_test.go:253: Client.GetAnalytics undefined (type *model.Client has no field or method GetAnalytics)
api/admin_test.go:287: Client.GetAnalytics undefined (type *model.Client has no field or method GetAnalytics)
api/admin_test.go:287: too many errors
FAIL    _/tmp/mattermost/api [build failed]
godep: go exit status 2
make: *** [go-test] Error 1

any ideas??? thank youu