Merge pull request #215 from zigbee-alliance/ledger-nano-support

Ledger Nano Support

Author: ashcherbakov

Dockerfile

@@ -37,7 +37,7 @@ COPY docs/static ./docs/static/
 
 ARG DCL_VERSION
 ARG DCL_COMMIT
-RUN make
+RUN LEDGER_ENABLED=false make
 
 ############################
 # STEP 2 build an image

Makefile

@@ -8,13 +8,80 @@ ifndef DCL_COMMIT
 DCL_COMMIT := $(shell git log -1 --format='%H')
 endif
 
+NAME ?= dcl
+APPNAME ?= $(NAME)d
+LEDGER_ENABLED ?= true
+
+OUTPUT_DIR ?= build
+
+### Process ld flags
+
 ldflags = -X github.com/cosmos/cosmos-sdk/version.Name=DcLedger \
-	-X github.com/cosmos/cosmos-sdk/version.App=dcld \
+	-X github.com/cosmos/cosmos-sdk/version.AppName=$(APPNAME) \
 	-X github.com/cosmos/cosmos-sdk/version.Version=$(DCL_VERSION) \
 	-X github.com/cosmos/cosmos-sdk/version.Commit=$(DCL_COMMIT)
 
-BUILD_FLAGS := -ldflags '$(ldflags)'
-OUTPUT_DIR ?= build
+# DB backend selection
+ifeq (cleveldb,$(findstring cleveldb,$(COSMOS_BUILD_OPTIONS)))
+  ldflags += -X github.com/cosmos/cosmos-sdk/types.DBBackend=cleveldb
+endif
+
+
+### Process build tags
+build_tags = netgo
+ifeq ($(LEDGER_ENABLED),true)
+  ifeq ($(OS),Windows_NT)
+    GCCEXE = $(shell where gcc.exe 2> NUL)
+    ifeq ($(GCCEXE),)
+      $(error gcc.exe not installed for ledger support, please install or set LEDGER_ENABLED=false)
+    else
+      build_tags += ledger
+    endif
+  else
+    UNAME_S = $(shell uname -s)
+    ifeq ($(UNAME_S),OpenBSD)
+      $(warning OpenBSD detected, disabling ledger support (https://github.com/cosmos/cosmos-sdk/issues/1988))
+    else
+      GCC = $(shell command -v gcc 2> /dev/null)
+      ifeq ($(GCC),)
+        $(error gcc not installed for ledger support, please install or set LEDGER_ENABLED=false)
+      else
+        build_tags += ledger
+      endif
+    endif
+  endif
+endif
+
+ifeq (cleveldb,$(findstring cleveldb,$(COSMOS_BUILD_OPTIONS)))
+  build_tags += gcc
+endif
+
+whitespace :=
+whitespace += $(whitespace)
+comma := ,
+build_tags_comma_sep := $(subst $(whitespace),$(comma),$(build_tags))
+
+
+ldflags += $(LDFLAGS)
+ldflags := $(strip $(ldflags))
+
+build_tags += $(BUILD_TAGS)
+build_tags := $(strip $(build_tags))
+
+
+### Resulting build flags
+BUILD_FLAGS := -tags "$(build_tags)" -ldflags '$(ldflags)'
+
+# Check for nostrip option
+ifeq (,$(findstring nostrip,$(COSMOS_BUILD_OPTIONS)))
+  BUILD_FLAGS += -trimpath
+endif
+
+# Check for debug option
+ifeq (debug,$(findstring debug,$(COSMOS_BUILD_OPTIONS)))
+  BUILD_FLAGS += -gcflags "all=-N -l"
+endif
+
 
 LICENSE_TYPE = "apache"
 COPYRIGHT_YEAR = "2020"