Makefile: simpily ledger build tags (#2449)

In the process of working on the `goreleaser` PR I discovered that how
we are building the `BUILD_TAGS` is overly verbose and unnecessary.

Ultimately we are just trying to add `ledger` to `-tags`. Hardcoding it
and adding a note in the README for the 2 distributions that aren't
supported seemed easier to maintain.

(cherry picked from commit 67241f9)

# Conflicts:
#	specs/src/SUMMARY.md

Makefile

@@ -5,52 +5,14 @@ DOCKER_BUF := $(DOCKER) run --rm -v $(CURDIR):/workspace --workdir /workspace bu
 IMAGE := ghcr.io/tendermint/docker-build-proto:latest
 DOCKER_PROTO_BUILDER := docker run -v $(shell pwd):/workspace --workdir /workspace $(IMAGE)
 PROJECTNAME=$(shell basename "$(PWD)")
-LEDGER_ENABLED ?= true
-
-
-# process build tags
-build_tags =
-ifeq ($(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
-build_tags := $(strip $(build_tags))
-
-empty :=
-whitespace := $(empty) $(empty)
-comma := ,
-
-# convert build_tags from a whitespace seperated list to a comma seperated list
-build_tags_comma_sep := $(subst $(whitespace),$(comma),$(build_tags))
-
 
 # process linker flags
 ldflags = -X github.com/cosmos/cosmos-sdk/version.Name=celestia-app \
 		  -X github.com/cosmos/cosmos-sdk/version.AppName=celestia-appd \
 		  -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)"
-ldflags += $(LDFLAGS)
 
-BUILD_FLAGS := -tags "$(build_tags)" -ldflags '$(ldflags)'
+BUILD_FLAGS := -tags "ledger" -ldflags '$(ldflags)'
 
 ## help: Get more info on make commands.
 help: Makefile

README.md

@@ -44,6 +44,10 @@ node            |  |                               |  |
     make install
     ```
 
+### Ledger Support
+
+Ledger is not supported on Windows and OpenBSD.
+
 ## Usage
 
 ```sh

specs/src/SUMMARY.md

@@ -17,10 +17,19 @@
   - [Data Square Layout](./specs/data_square_layout.md)
   - [Resource Pricing](./specs/resource_pricing.md)
 - [State Machine Modules](./specs/state_machine_modules.md)
+<<<<<<< HEAD
   - [blob](https://github.com/celestiaorg/celestia-app/blob/v1.x/x/blob/README.md)
   - [qgb](https://github.com/celestiaorg/celestia-app/blob/v1.x/x/qgb/README.md)
   - [mint](https://github.com/celestiaorg/celestia-app/blob/v1.x/x/mint/README.md)
   - [paramfilter](https://github.com/celestiaorg/celestia-app/blob/v1.x/x/paramfilter/README.md)
   - [upgrade](https://github.com/celestiaorg/celestia-app/blob/v1.x/x/upgrade/README.md)
   - [tokenfilter](https://github.com/celestiaorg/celestia-app/blob/v1.x/x/tokenfilter/README.md)
+=======
+  - [blob](https://github.com/celestiaorg/celestia-app/blob/main/x/blob/README.md)
+  - [qgb](https://github.com/celestiaorg/celestia-app/blob/main/x/qgb/README.md)
+  - [mint](https://github.com/celestiaorg/celestia-app/blob/main/x/mint/README.md)
+  - [paramfilter](https://github.com/celestiaorg/celestia-app/blob/main/x/paramfilter/README.md)
+  - [upgrade](https://github.com/celestiaorg/celestia-app/blob/main/x/upgrade/README.md)
+  - [tokenfilter](https://github.com/celestiaorg/celestia-app/blob/main/x/tokenfilter/README.md)
+>>>>>>> 67241f9 (Makefile: simpily ledger build tags (#2449))
 - [Mainnet Parameters](./specs/params.md)