make:help:less tokio output

Author: RandyMcMillan

GNUmakefile

@@ -95,20 +95,26 @@ export RUSTC
 RUSTUP:=$(shell which rustup)
 export RUSTUP
 
+FEATURES:=\
+async-std\
+
+RELEASE:=\
+stable\
+
+
 -:
 	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?##/ {printf "\033[36m%-15s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
 help:## 	help
 	@sed -n 's/^##//p' ${MAKEFILE_LIST} | column -t -s ':' |  sed -e 's/^/ /'
-rustup-install:rustup-install-stable## 	rustup-install
-rustup-install-stable:## 	rustup-install-stable
+rustup-install:rustup-install-$(RELEASE)## 	rustup-install
+rustup-install-$(RELEASE):## 	rustup-install-$(RELEASE)
 ##	install rustup sequence
-	$(shell echo which rustup) || curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --no-modify-path --default-toolchain stable --profile default && . "$(HOME)/.cargo/env"
-	$(shell echo which rustup) && rustup default stable
-rustup-install-nightly:## 	rustup-install-nightly
-##	install rustup sequence
-	$(shell echo which rustup) || curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --no-modify-path --default-toolchain nightly --profile default && . "$(HOME)/.cargo/env"
-	$(shell echo which rustup) && rustup default nightly
-
+	$(shell echo which rustup) || \
+    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | \
+    sh -s -- -y --no-modify-path \
+    --default-toolchain $(RELEASE) \
+    --profile default && . "$(HOME)/.cargo/env"
+	$(shell echo which rustup) && rustup default $(RELEASE)
 
 cargo-b:## 	cargo-b
 	[ -x "$(shell command -v $(RUSTUP))" ] || $(MAKE) rustup-install-stable

cargo.mk

@@ -3,8 +3,8 @@
 cargo-help:### 	cargo-help
 	@awk 'BEGIN {FS = ":.*?###"} /^[a-zA-Z_-]+:.*?###/ {printf "\033[36m%-15s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
 
-cargo-bt:cargo-build-tokio### 	cargo-bt
-cargo-build-tokio:### 	cargo-build-tokio
+cargo-bt:cargo-build-tokio
+cargo-build-tokio:
 ## 	make cargo-build-tokio q=true
 	@. $(HOME)/.cargo/env
 	@RUST_BACKTRACE=all cargo b $(QUIET) --no-default-features --features tokio