# Copyright 2020 PingCAP, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# See the License for the specific language governing permissions and
# limitations under the License.

PROJECT=tidb
GOPATH ?= $(shell go env GOPATH)
P=8

# Ensure GOPATH is set before running build process.
ifeq "$(GOPATH)" ""
  $(error Please set the environment variable GOPATH before running `make`)
endif
FAIL_ON_STDOUT := awk '{ print } END { if (NR > 0) { exit 1 } }'

CURDIR := $(shell pwd)
path_to_add := $(addsuffix /bin,$(subst :,/bin:,$(GOPATH))):$(PWD)/tools/bin
export PATH := $(path_to_add):$(PATH)

GO              := GO111MODULE=on go
GOBUILD         := $(GO) build $(BUILD_FLAG) -tags codes
GOBUILDCOVERAGE := GOPATH=$(GOPATH) cd tidb-server; $(GO) test -coverpkg="../..." -c .
GOTEST          := $(GO) test -p $(P)
OVERALLS        := GO111MODULE=on overalls
STATICCHECK     := GO111MODULE=on staticcheck
TIDB_EDITION    ?= Community

# Ensure TIDB_EDITION is set to Community or Enterprise before running build process.
ifneq "$(TIDB_EDITION)" "Community"
ifneq "$(TIDB_EDITION)" "Enterprise"
  $(error Please set the correct environment variable TIDB_EDITION before running `make`)
endif
endif

ARCH      := "`uname -s`"
LINUX     := "Linux"
MAC       := "Darwin"
PACKAGE_LIST  := go list ./...| grep -vE "cmd|github.com\/pingcap\/tidb\/tests"
PACKAGES  ?= $$($(PACKAGE_LIST))
PACKAGE_DIRECTORIES := $(PACKAGE_LIST) | sed 's|github.com/pingcap/$(PROJECT)/||'
FILES     := $$(find $$($(PACKAGE_DIRECTORIES)) -name "*.go")

FAILPOINT_ENABLE  := $$(find $$PWD/ -type d | grep -vE "(\.git|tools)" | xargs tools/bin/failpoint-ctl enable)
FAILPOINT_DISABLE := $$(find $$PWD/ -type d | grep -vE "(\.git|tools)" | xargs tools/bin/failpoint-ctl disable)

LDFLAGS += -X "github.com/pingcap/parser/mysql.TiDBReleaseVersion=$(shell git describe --tags --dirty --always)"
LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBBuildTS=$(shell date -u '+%Y-%m-%d %H:%M:%S')"
LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBGitHash=$(shell git rev-parse HEAD)"
LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBGitBranch=$(shell git rev-parse --abbrev-ref HEAD)"
LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBEdition=$(TIDB_EDITION)"

TEST_LDFLAGS =  -X "github.com/pingcap/tidb/config.checkBeforeDropLDFlag=1"
COVERAGE_SERVER_LDFLAGS =  -X "github.com/pingcap/tidb/tidb-server.isCoverageServer=1"

CHECK_LDFLAGS += $(LDFLAGS) ${TEST_LDFLAGS}

TARGET = ""

# VB = Vector Benchmark
VB_FILE =
VB_FUNC =

RACE_FLAG =
ifeq ("$(WITH_RACE)", "1")
	RACE_FLAG = -race
	GOBUILD   = GOPATH=$(GOPATH) $(GO) build
endif

CHECK_FLAG =
ifeq ("$(WITH_CHECK)", "1")
	CHECK_FLAG = $(TEST_LDFLAGS)
endif