Add Makefile for build process

- Create Makefile to handle cargo build and file concatenation
- Revert config.toml to output out.js (intermediate file)
- Combined.js is now generated by cat pre.js out.js main.js

Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>

Author: udzura

.cargo/config.toml

@@ -1,7 +1,7 @@
 [target.wasm32-unknown-emscripten]
 rustflags = [
     "-C",
-    "link-args=-o apps_script/out.js",
+    "link-args=-o out.js",
     "-C",
     "link-args=-s EXPORTED_FUNCTIONS=['_eval_ruby_script_int','_main']",
     "-C",
@@ -23,7 +23,7 @@ rustflags = [
     "-C",
     "link-args=-Oz",
     "-C",
-    "link-args=-sSUPPORT_LONGJMP=emscripten",
+    "link-args=-s SUPPORT_LONGJMP=emscripten",
     "-C",
     "link-args=-s SINGLE_FILE_BINARY_ENCODE=0",
     "-C",

.gitignore

@@ -19,3 +19,5 @@ target
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
+out.js

Cargo.lock

@@ -5,7 +5,8 @@ edition = "2024"
 
 [dependencies]
 mrubyedge = { version = "1.1.8", default-features = false }
-mruby-compiler2-sys = { version = "0.3.0", default-features = false }
+mruby-compiler2-sys = { path = "/Users/udzura/ghq/github.com/mrubyedge/mruby-compiler2-sys", default-features = false }
+# mruby-compiler2-sys = { version = "0.3.0", default-features = false }
 # mruby-math = "0.1.0"
 
 [profile.dev]

Cargo.toml

@@ -0,0 +1,10 @@
+.PHONY: build clean
+
+build:
+	BINDGEN_EXTRA_CLANG_ARGS="--sysroot=$(EMSDK)/upstream/emscripten/cache/sysroot" \
+		cargo build --target wasm32-unknown-emscripten --release
+	cat pre.js out.js main.js > combined.js
+
+clean:
+	cargo clean
+	rm -f combined.js out.js