R4R: make bnbcli to support ledger (#571)

* bnbcli support ledger

* update ledger-cosmos-go dependency

* update dependency and remove unecessary change in Makefile

* Update dependency

Gopkg.toml

@@ -42,7 +42,12 @@
 [[constraint]]
   name = "github.com/cosmos/cosmos-sdk"
   source = "github.com/binance-chain/bnc-cosmos-sdk"
-  version = "=v0.25.0-binance.17"
+  branch = "develop"
+
+[[constraint]]
+  name = "github.com/zondax/ledger-cosmos-go"
+  source = "https://github.com/binance-chain/ledger-cosmos-go"
+  version = "v0.9.9-binance.1"
 
 [[constraint]]
   name = "github.com/btcsuite/btcd"
@@ -84,6 +89,9 @@
 [prune]
   go-tests = true
   unused-packages = true
+  [[prune.project]]
+    name = "github.com/zondax/hid"
+    unused-packages = false
 
 [[constraint]]
   name = "github.com/natefinch/lumberjack"

Makefile

@@ -30,6 +30,34 @@ endif
 
 all: get_vendor_deps format build
 
+LEDGER_ENABLED ?= true
+
+########################################
+### Build/Install
+
+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
+
 ########################################
 ### CI