fix: Makefile rocksdb (backport cosmos#15422) (cosmos#15525)

Co-authored-by: Robert Zaremba <robert@zaremba.ch>

Makefile

@@ -13,7 +13,9 @@ MOCKS_DIR = $(CURDIR)/tests/mocks
 PR_TARGET_REPO = https://github.com/cosmos/cosmos-sdk.git
 PR_TARGET_BRANCH = master
 DOCKER := $(shell which docker)
-DOCKER_BUF := $(DOCKER) run --rm -v $(CURDIR):/workspace --workdir /workspace bufbuild/buf
+DOCKER_BUF := $(DOCKER) run --rm -v $(CURDIR):/workspace --workdir /workspace bufbuild/buf:1.0.0-rc8
+PROJECT_NAME = $(shell git remote get-url origin | xargs basename -s .git)
+DOCS_DOMAIN=docs.cosmos.network
 
 export GO111MODULE = on
 
@@ -63,26 +65,23 @@ ldflags = -X github.com/cosmos/cosmos-sdk/version.Name=sim \
 		  -X github.com/cosmos/cosmos-sdk/version.Version=$(VERSION) \
 		  -X github.com/cosmos/cosmos-sdk/version.Commit=$(COMMIT) \
 		  -X "github.com/cosmos/cosmos-sdk/version.BuildTags=$(build_tags_comma_sep)" \
-			-X github.com/tendermint/tendermint/version.TMCoreSemVer=$(TMVERSION)
+		  -X github.com/tendermint/tendermint/version.TMCoreSemVer=$(TMVERSION)
 
 # DB backend selection
 ifeq (cleveldb,$(findstring cleveldb,$(COSMOS_BUILD_OPTIONS)))
   ldflags += -X github.com/cosmos/cosmos-sdk/types.DBBackend=cleveldb
 endif
 ifeq (badgerdb,$(findstring badgerdb,$(COSMOS_BUILD_OPTIONS)))
-  ldflags += -X github.com/cosmos/cosmos-sdk/types.DBBackend=badgerdb
-  BUILD_TAGS += badgerdb
+  build_tags += badgerdb
 endif
 # handle rocksdb
 ifeq (rocksdb,$(findstring rocksdb,$(COSMOS_BUILD_OPTIONS)))
   CGO_ENABLED=1
-  BUILD_TAGS += rocksdb
-  ldflags += -X github.com/cosmos/cosmos-sdk/types.DBBackend=rocksdb
+  build_tags += rocksdb
 endif
 # handle boltdb
 ifeq (boltdb,$(findstring boltdb,$(COSMOS_BUILD_OPTIONS)))
-  BUILD_TAGS += boltdb
-  ldflags += -X github.com/cosmos/cosmos-sdk/types.DBBackend=boltdb
+  build_tags += boltdb
 endif
 
 ifeq (,$(findstring nostrip,$(COSMOS_BUILD_OPTIONS)))