fix: normalize reproducible OpenCAMLib artifact

config/opencamlib-wasm-artifact.json

@@ -10,8 +10,8 @@
     "boostVersion": "1.83.0",
     "artifact": "public/vendor/opencamlib/ocl.js",
     "artifactFormat": "emscripten-single-file-embedded-wasm",
-    "byteLength": 504062,
-    "sha256": "0379040910f7af277c6e1f6411efb549292db0b071422a83954d93631253bf89",
+    "byteLength": 504060,
+    "sha256": "30ca7dd307a131f9df66288d530c3fbacf155f375f83a2d733c5c00a85a712e0",
     "algorithms": [
       "path-drop-cutter",
       "adaptive-path-drop-cutter",

scripts/build-opencamlib-wasm.mjs

@@ -37,5 +37,8 @@ const reproducibleLink = originalLink.replace(/\s+--closure\s+1\b/, '')
 if (reproducibleLink === originalLink) throw new Error('OpenCAMLib generated link command did not contain the expected optional Closure flag.')
 await writeFile(linkPath, reproducibleLink)
 execFileSync('cmake', ['--build', build, '--target', 'ocl', '--parallel', '4'], { cwd: root, stdio: 'inherit' })
+# Normalize the generated single-file loader before it becomes the public
+# artifact. This removes Emscripten's version-sensitive whitespace-only line.
+execFileSync('perl', ['-pi', '-e', 's/[ \\t]+$//', resolve(build, 'ocl.js')])
 execFileSync('cmake', ['--install', build], { cwd: root, stdio: 'inherit' })
 console.log(`Built OpenCAMLib ${revision} into ${install}`)