building mingw-w64 for windows ARM looks in lib64/lib32 for .def files

1 files changed, 11 insertions, 0 deletions

diff --git a/src/link.cpp b/src/link.cpp
index 0f27cee9ab..df33a5494e 100644
--- a/src/link.cpp
+++ b/src/link.cpp
@@ -2377,6 +2377,17 @@ static Error find_mingw_lib_def(LinkJob *lj, const char *name, Buf *out_path) {
         return err;
     }
 
+    if (!does_exist && target_is_arm(g->zig_target)) {
+        // Try lib32 or lib64
+        const bool is_32 = target_arch_pointer_bit_width(g->zig_target->arch) == 32;
+        lib_path = is_32 ? "lib32" : "lib64";
+        buf_resize(&override_path, 0);
+        buf_appendf(&override_path, "%s" OS_SEP "libc" OS_SEP "mingw" OS_SEP "%s" OS_SEP "%s.def", buf_ptr(g->zig_lib_dir), lib_path, name);
+        if ((err = os_file_exists(&override_path, &does_exist)) != ErrorNone) {
+            return err;
+        }
+    }
+
     if (!does_exist) {
         // Try the generic version
         buf_resize(&override_path, 0);