Diagnose Linux binary linkage

Author: cknitt

.github/workflows/ci.yml

@@ -293,6 +293,20 @@ jobs:
       - name: Copy compiler exes to platform bin dir
         run: node scripts/copyExes.js --compiler
 
+      - name: Diagnose Linux binary linkage
+        if: runner.os == 'Linux'
+        run: |
+          opam list
+          opam exec -- ocamlopt -config | grep -E '^(native_c|mkexe|mkshared|system):' || true
+          opam exec -- which musl-gcc || true
+          for f in packages/@rescript/${{ matrix.node-target }}/bin/*.exe; do
+            echo "== $f =="
+            file "$f"
+            ldd "$f" || true
+            readelf -d "$f" || true
+          done
+        shell: bash
+
       - name: "Syntax: Run tests"
         env:
           ROUNDTRIP_TEST: ${{ runner.os == 'Windows' && '0' || '1' }}