Use patch to temporary fix compiling mps branch

Author: blahgeek

.github/workflows/_build-emacs.yml

@@ -7,6 +7,8 @@ on:
       branch:
         required: true
         type: string
+      patch:
+        type: string
       build_gui:
         required: true
         type: string
@@ -41,6 +43,11 @@ jobs:
         ref: ${{ inputs.branch }}
         path: emacs-src
 
+    - name: Patch emacs soruce
+      run: |
+        cd emacs-src && patch -p1 < ../patch/${{ inputs.patch }}
+      if: ${{ inputs.patch }}
+
     - name: Download builder image
       uses: actions/download-artifact@v4
       with:

.github/workflows/daily-mps.yml

@@ -46,6 +46,7 @@ jobs:
     with:
       name: mps-${{ matrix.build_native_comp == 'no' && 'no_native_comp' || 'native_comp' }}
       branch: scratch/igc
+      patch: mps-xfaces-label.patch
       build_gui: ${{ matrix.build_gui }}
       build_native_comp: ${{ matrix.build_native_comp }}
       do_test: false

patch/mps-xfaces-label.patch

@@ -0,0 +1,16 @@
+diff --git a/src/xfaces.c b/src/xfaces.c
+index 69d4070b603..221efec62e0 100644
+--- a/src/xfaces.c
++++ b/src/xfaces.c
+@@ -4638,10 +4638,10 @@ free_realized_face (struct frame *f, struct face *face)
+ 
+ #ifdef HAVE_X_WINDOWS
+     free_face:
+-#endif /* HAVE_X_WINDOWS */
+ #ifndef HAVE_MPS
+       xfree (face);
+ #endif
++#endif /* HAVE_X_WINDOWS */
+     }
+ }
+