Merge pull request #132570 from yu-re-ka/feature/emscripten-bind-cache

emscripten: generate libembind*.a

pkgs/development/compilers/emscripten/default.nix

···
       # wasm2c doesn't work with PIC
       $out/bin/emcc -s WASM2C -s STANDALONE_WASM $LTO test.c
 
-      for MT in "" "-s USE_PTHREADS"; do
-        for RELOCATABLE in "" "-s RELOCATABLE"; do
-          $out/bin/emcc $RELOCATABLE $MT $LTO test.c
+      for BIND in "" "--bind"; do
+        for MT in "" "-s USE_PTHREADS"; do
+          for RELOCATABLE in "" "-s RELOCATABLE"; do
+            $out/bin/emcc $RELOCATABLE $BIND $MT $LTO test.c
+          done
         done
       done
     done