refactor: restructure Makefile for better readability

.github/workflows/rust-compiler-builder.yml

@@ -7,8 +7,8 @@ on:
       - '**/README.md'
   schedule:
     # https://crontab.guru/
-    # At 12:00 AM, only on Monday
-    - cron: 0 0 * * 1
+    # At 12:00 AM
+    - cron: 0 0 * * *
 
 jobs:
   build:
@@ -68,7 +68,7 @@ jobs:
 
       - name: Show System Info
         run: |
-          echo $PATH
+          echo ${PATH}
           uname -a
           xcodebuild -version
           xcrun --show-sdk-path
@@ -97,6 +97,10 @@ jobs:
           RUST_VERBOSE: ${{ matrix.rust-verbose-level }}
           RUST_USE_LLD: ${{ matrix.rust-use-lld }}
 
+      - name: Show config.toml
+        run: cat config.toml
+        working-directory: ./rust
+
       - name: Build Rust
         run: make all
         working-directory: ./rust

Makefile

@@ -1,12 +1,6 @@
-RUST_PREBUILT_VERSION ?= 2023-11-13
-RUST_PREBUILT_COMPONENTS ?= rust-std rustc cargo rustfmt
-RUST_PREBUILT_CHANNELS ?= beta nightly
-RUST_PREBUILT_TARGET ?= x86_64-apple-darwin
-RUST_PREBUILT_OUTPUT_DIR ?= rust/build/cache
-
 RUST_GIT_URL ?= https://github.com/rust-lang/rust.git
 RUST_TOOLS ?= cargo,clippy,rustdoc,rustfmt,rust-analyzer,analysis,src
-RUST_TARGETS ?= aarch64-apple-ios,aarch64-apple-darwin
+RUST_TARGETS ?= aarch64-apple-darwin,aarch64-apple-ios,arm64e-apple-darwin,arm64e-apple-ios
 RUST_HOST ?= x86_64-apple-darwin
 RUST_VERBOSE ?= 0
 RUST_CHANNEL ?= dev
@@ -15,30 +9,20 @@ RUST_INSTALL_DIR ?= install
 RUST_DIST_FORMATS ?= xz
 RUST_USE_LLD ?= false
 
-# NOTE: use Makefile.local for customization
--include Makefile.local
-
 .PHONY: help
 help:			## Show this help
 	@fgrep -h "## " $(MAKEFILE_LIST) | fgrep -v fgrep | sed -e 's/\\$$//' | sed -e 's/## //'
 
+# Note: use Makefile.local for customization
+-include misc/make/offline.Makefile
+-include Makefile.local
+
 ## ▸▸▸ Download commands ◂◂◂
 
 .PHONY: download
 download:		## Download Rust sources
 	git clone --recurse-submodules -j8 ${RUST_GIT_URL}
 
-.PHONY: download-offline
-download-offline: SHELL:=/bin/bash
-download-offline:	## Download prebuilt Rust binaries
-	mkdir -p ${RUST_PREBUILT_OUTPUT_DIR}/${RUST_PREBUILT_VERSION}
-	@for RUST_CHANNEL in ${RUST_PREBUILT_CHANNELS}; do \
-		for RUST_COMPONENT in ${RUST_PREBUILT_COMPONENTS}; do \
-			RUST_FILENAME=${RUST_PREBUILT_VERSION}/$${RUST_COMPONENT}-$${RUST_CHANNEL}-${RUST_PREBUILT_TARGET}.tar.xz ; \
-			curl --fail https://static.rust-lang.org/dist/$${RUST_FILENAME} --output ${RUST_PREBUILT_OUTPUT_DIR}/$${RUST_FILENAME} ; \
-		done; \
-	done;
-
 ###
 # Configure: https://github.com/rust-lang/rust/blob/master/src/bootstrap/configure.py
 ###

README.md

@@ -11,12 +11,13 @@ $ make
 help:                   Show this help
 ▸▸▸ Download commands ◂◂◂
 download:               Download Rust sources
-download-offline:       Download prebuilt Rust binaries
 ▸▸▸ Configure commands ◂◂◂
 configure:              Configure Rust
 configure-with-llvm:    Configure Rust and LLVM
 ▸▸▸ Target Info commands ◂◂◂
 show-target-info:       Show target info
+▸▸▸ Offline commands ◂◂◂
+offline:                Download prebuilt Rust binaries and cache them for offline use
 ```
 
 <!--

misc/make/offline.Makefile

@@ -0,0 +1,21 @@
+RUST_PREBUILT_VERSION ?= $(shell curl --silent https://static.rust-lang.org/dist/channel-rust-beta.toml | grep '^date = "' | sed 's/date = "\(.*\)"/\1/')
+RUST_PREBUILT_COMPONENTS ?= rust-std rustc cargo rustfmt
+RUST_PREBUILT_CHANNELS ?= beta nightly
+RUST_PREBUILT_TARGET ?= x86_64-apple-darwin
+RUST_PREBUILT_OUTPUT_DIR ?= rust/build/cache
+
+## ▸▸▸ Offline commands ◂◂◂
+
+.PHONY: offline
+offline: SHELL:=/bin/bash
+offline:		## Download prebuilt Rust binaries and cache them for offline use
+	mkdir -p ${RUST_PREBUILT_OUTPUT_DIR}/${RUST_PREBUILT_VERSION}
+	@for RUST_CHANNEL in ${RUST_PREBUILT_CHANNELS}; do \
+		for RUST_COMPONENT in ${RUST_PREBUILT_COMPONENTS}; do \
+			RUST_FILENAME=${RUST_PREBUILT_VERSION}/$${RUST_COMPONENT}-$${RUST_CHANNEL}-${RUST_PREBUILT_TARGET}.tar.xz ; \
+			INFO="\nFile Name: $${RUST_FILENAME}\nSize: %{size_download} bytes\nSpeed: %{speed_download} bytes/sec\nTime: %{time_total} seconds\n\n" ; \
+			URL=https://static.rust-lang.org/dist/$${RUST_FILENAME} ; \
+			OUTPUT=${RUST_PREBUILT_OUTPUT_DIR}/$${RUST_FILENAME} ; \
+			curl --fail --progress-bar --write-out "$${INFO}" $${URL} --output $${OUTPUT} ; \
+		done; \
+	done;