Disable address-of-packed-member warnings with gcc9

gcc9 has turned this warning into error when -Werror is used, lets paper
it over by turning it into a warning for now

Fixes
    error: taking address of packed member of 'struct head' may result in an unaligned pointer value [-Werror=address-of-packed-member]

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
--- a/grub-core/commands/lsacpi.c
+++ b/grub-core/commands/lsacpi.c
@@ -26,6 +26,9 @@
 #include <grub/dl.h>
 
 #pragma GCC diagnostic ignored "-Wcast-align"
+#if __GNUC__ >= 9
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
 
 GRUB_MOD_LICENSE ("GPLv3+");
 
--- a/grub-core/commands/lspci.c
+++ b/grub-core/commands/lspci.c
@@ -26,6 +26,9 @@
 
 GRUB_MOD_LICENSE ("GPLv3+");
 
+#if __GNUC__ >= 9
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
 struct grub_pci_classname
 {
   int class;
@@ -171,7 +174,7 @@ grub_lspci_iter (grub_pci_device_t dev,
 
 	  if (space == 0)
 	    continue;
-	 
+
 	  switch (space & GRUB_PCI_ADDR_SPACE_MASK)
 	    {
 	    case GRUB_PCI_ADDR_SPACE_IO:
@@ -195,13 +198,13 @@ grub_lspci_iter (grub_pci_device_t dev,
 			       (space & GRUB_PCI_ADDR_MEM_MASK),
 			       space & GRUB_PCI_ADDR_MEM_PREFETCH
 			       ? "prefetchable" : "non-prefetchable");
-		 
+
 		}
 	      else
 		grub_printf ("\t32-bit memory space %d at 0x%016llx [%s]\n",
 			     (unsigned) ((reg - GRUB_PCI_REG_ADDRESSES)
 			      / sizeof (grub_uint32_t)) - 1,
-			     (unsigned long long) 
+			     (unsigned long long)
 			     (space & GRUB_PCI_ADDR_MEM_MASK),
 			     space & GRUB_PCI_ADDR_MEM_PREFETCH
 			     ? "prefetchable" : "non-prefetchable");
--- a/grub-core/fs/cpio_common.c
+++ b/grub-core/fs/cpio_common.c
@@ -26,7 +26,9 @@
 #include <grub/archelp.h>
 
 GRUB_MOD_LICENSE ("GPLv3+");
-
+#if __GNUC__ >= 9
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
 struct grub_archelp_data
 {
   grub_disk_t disk;
@@ -108,7 +110,7 @@ grub_cpio_get_link_target (struct grub_a
   if (!ret)
     return NULL;
 
-  err = grub_disk_read (data->disk, 0, data->dofs, data->size, 
+  err = grub_disk_read (data->disk, 0, data->dofs, data->size,
 			ret);
   if (err)
     {
--- a/grub-core/fs/hfs.c
+++ b/grub-core/fs/hfs.c
@@ -32,6 +32,9 @@
 #include <grub/fshelp.h>
 
 GRUB_MOD_LICENSE ("GPLv3+");
+#if __GNUC__ >= 9
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
 
 #define	GRUB_HFS_SBLOCK		2
 #define GRUB_HFS_EMBED_HFSPLUS_SIG 0x482B
@@ -882,7 +885,7 @@ grub_hfs_iterate_dir_it_dir (struct grub
 {
   struct grub_hfs_catalog_key *ckey = rec->key;
   struct grub_hfs_iterate_dir_node_found_ctx *ctx = hook_arg;
-  
+
   /* Stop when the entries do not match anymore.  */
   if (ckey->parent_dir != ctx->dir_be)
     return 1;
@@ -1076,7 +1079,7 @@ macroman_to_utf8 (char *to, const grub_u
 	{
 	  *optr++ = ':';
 	  continue;
-	}	
+	}
       if (!(*iptr & 0x80))
 	{
 	  *optr++ = *iptr;
@@ -1093,7 +1096,7 @@ utf8_to_macroman (grub_uint8_t *to, cons
   grub_uint8_t *end = to + 31;
   grub_uint8_t *optr = to;
   const char *iptr = from;
-  
+
   while (*iptr && optr < end)
     {
       int i, clen;
@@ -1103,7 +1106,7 @@ utf8_to_macroman (grub_uint8_t *to, cons
 	  *optr++ = '/';
 	  iptr++;
 	  continue;
-	}	
+	}
       if (!(*iptr & 0x80))
 	{
 	  *optr++ = *iptr++;
@@ -1164,7 +1167,7 @@ lookup_file (grub_fshelp_node_t dir,
   *foundnode = grub_malloc (sizeof (struct grub_fshelp_node));
   if (!*foundnode)
     return grub_errno;
-  
+
   (*foundnode)->inode = grub_be_to_cpu32 (fdrec.dir.dirid);
   (*foundnode)->fdrec = fdrec;
   (*foundnode)->data = dir->data;
@@ -1265,7 +1268,7 @@ grub_hfs_dir (grub_device_t device, cons
       .hook_data = hook_data
     };
   grub_fshelp_node_t found = NULL;
-  
+
   grub_dl_ref (my_mod);
 
   data = grub_hfs_mount (device->disk);
@@ -1294,7 +1297,7 @@ grub_hfs_open (struct grub_file *file, c
 {
   struct grub_hfs_data *data;
   grub_fshelp_node_t found = NULL;
-  
+
   grub_dl_ref (my_mod);
 
   data = grub_hfs_mount (file->device->disk);
--- a/grub-core/fs/hfsplus.c
+++ b/grub-core/fs/hfsplus.c
@@ -19,7 +19,7 @@
 
 /* HFS+ is documented at http://developer.apple.com/technotes/tn/tn1150.html */
 
-#define grub_fshelp_node grub_hfsplus_file 
+#define grub_fshelp_node grub_hfsplus_file
 #include <grub/err.h>
 #include <grub/file.h>
 #include <grub/mm.h>
@@ -34,6 +34,9 @@
 
 GRUB_MOD_LICENSE ("GPLv3+");
 
+#if __GNUC__ >= 9
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
 /* The type of node.  */
 enum grub_hfsplus_btnode_type
   {
@@ -145,7 +148,7 @@ grub_hfsplus_read_block (grub_fshelp_nod
 {
   struct grub_hfsplus_btnode *nnode = 0;
   grub_disk_addr_t blksleft = fileblock;
-  struct grub_hfsplus_extent *extents = node->compressed 
+  struct grub_hfsplus_extent *extents = node->compressed
     ? &node->resource_extents[0] : &node->extents[0];
 
   while (1)
@@ -461,7 +464,7 @@ grub_hfsplus_cmp_extkey (struct grub_hfs
 
   if (extkey_a->type < extkey_b->type)
     return -1;
-  
+
   akey = grub_be_to_cpu32 (extkey_a->start);
   if (akey > extkey_b->start)
     return 1;
@@ -548,7 +551,7 @@ grub_hfsplus_btree_search (struct grub_h
 			   struct grub_hfsplus_key_internal *key,
 			   int (*compare_keys) (struct grub_hfsplus_key *keya,
 						struct grub_hfsplus_key_internal *keyb),
-			   struct grub_hfsplus_btnode **matchnode, 
+			   struct grub_hfsplus_btnode **matchnode,
 			   grub_off_t *keyoffset)
 {
   grub_uint64_t currnode;
--- a/grub-core/fs/jfs.c
+++ b/grub-core/fs/jfs.c
@@ -28,6 +28,9 @@
 #include <grub/i18n.h>
 
 GRUB_MOD_LICENSE ("GPLv3+");
+#if __GNUC__ >= 9
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
 
 #define GRUB_JFS_MAX_SYMLNK_CNT	8
 #define GRUB_JFS_FILETYPE_MASK	0170000
--- a/grub-core/kern/efi/efi.c
+++ b/grub-core/kern/efi/efi.c
@@ -29,6 +29,9 @@
 #include <grub/mm.h>
 #include <grub/loader.h>
 
+#if __GNUC__ >= 9
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
 /* The handle of GRUB itself. Filled in by the startup code.  */
 grub_efi_handle_t grub_efi_image_handle;
 
@@ -201,7 +204,7 @@ grub_efi_set_variable(const char *var, c
 
   r = grub_efi_system_table->runtime_services;
 
-  status = efi_call_5 (r->set_variable, var16, guid, 
+  status = efi_call_5 (r->set_variable, var16, guid,
 		       (GRUB_EFI_VARIABLE_NON_VOLATILE
 			| GRUB_EFI_VARIABLE_BOOTSERVICE_ACCESS
 			| GRUB_EFI_VARIABLE_RUNTIME_ACCESS),
--- a/grub-core/loader/efi/chainloader.c
+++ b/grub-core/loader/efi/chainloader.c
@@ -41,6 +41,9 @@
 #endif
 
 GRUB_MOD_LICENSE ("GPLv3+");
+#if __GNUC__ >= 9
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
 
 static grub_dl_t my_mod;
 
--- a/grub-core/commands/usbtest.c
+++ b/grub-core/commands/usbtest.c
@@ -63,6 +63,10 @@ static const char *usb_devspeed[] =
     "High"
   };
 
+#if __GNUC__ >= 9
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
+
 static grub_usb_err_t
 grub_usb_get_string (grub_usb_device_t dev, grub_uint8_t index, int langid,
 		     char **string)