attempt to generate c_win.zig

.github/workflows/cimport.yml

@@ -36,3 +36,24 @@ jobs:
         with:
           add-paths: test/abi/c_*.zig
           commit-message: Update c.zig
+
+  build-win:
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: msys2/setup-msys2@v2
+        with:
+          msystem: UCRT64
+          install: mingw-w64-ucrt-x86_64-gtk4
+
+      - uses: mlugg/[email protected]
+
+      - name: Generate c.zig
+        run: cd test/abi && ./ci.bat && cd ../..
+
+      - uses: peter-evans/create-pull-request@v6
+        with:
+          add-paths: test/abi/c_*.zig
+          commit-message: Update c.zig

test/abi/c_win.h

@@ -0,0 +1,2 @@
+#include <gtk/gtk.h>
+#include <gdk/win32/gdkwin32.h>

test/abi/c_win.patch

@@ -0,0 +1,13 @@
+--- a/c_win.zig
++++ b/c_win.zig
+@@ -1,5 +1,9 @@
+ // /usr/include/pango-1.0/pango/pango-glyph.h:105:9: warning: struct demoted to opaque type - has bitfield
+-pub const struct__PangoGlyphVisAttr = opaque {};
++pub const struct__PangoGlyphVisAttr = packed struct(u32) {
++    is_cluster_start: bool,
++    is_color: bool,
++    _: u30,
++};
+ pub const PangoGlyphVisAttr = struct__PangoGlyphVisAttr;
+ pub const struct__PangoGlyphInfo = extern struct {
+     glyph: PangoGlyph = @import("std").mem.zeroes(PangoGlyph),

test/abi/ci.bat

@@ -0,0 +1,2 @@
+zig translate-c -cflags $(pkg-config --cflags gtk4) -- c_win.h -I/ucrt64/include >c_win.zig
+patch c_win.zig c_win.patch