loader/efi/linux: Fix compile error with Clang

Clang will produce a warning, which is treated as an error, that
"vendor_defined_data" is uninitialized. This is a "zero length" array
member of this struct. Add conditional compile pragma to allow this to
compile with Clang.

Signed-off-by: Andrew Hamilton <adhamilt@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

diff --git a/grub-core/loader/efi/linux.c b/grub-core/loader/efi/linux.c
index 4f5589862a3c680a976467e0881b7e8876bad318..ded507cd556c6069859b90b9b59c76daa1dfaf9d 100644 (file)
--- a/grub-core/loader/efi/linux.c
+++ b/grub-core/loader/efi/linux.c
@@ -55,6 +55,14 @@ static bool initrd_use_loadfile2 = false;
 static grub_guid_t load_file2_guid = GRUB_EFI_LOAD_FILE2_PROTOCOL_GUID;
 static grub_guid_t device_path_guid = GRUB_EFI_DEVICE_PATH_GUID;
 
+/*
+ * Clang will produce a warning for missing initializer for the
+ * zero-length array "vendor_defined_data" inside this structure.
+ * Suppress this warning which is treated as an error.
+ */
+#ifdef __clang__
+#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+#endif
 static initrd_media_device_path_t initrd_lf2_device_path = {
   {
     {