From 3eca7aa8196ef8ed682659ff47f3f1e3b2c6867d Mon Sep 17 00:00:00 2001 From: Martin Jansa Date: Wed, 9 May 2018 18:33:09 +0000 Subject: grub2: fix build with gcc8 Signed-off-by: Martin Jansa Signed-off-by: Richard Purdie --- meta/recipes-bsp/grub/files/gcc8.patch | 74 ++++++++++++++++++++++++++++++++++ meta/recipes-bsp/grub/grub2.inc | 1 + 2 files changed, 75 insertions(+) create mode 100644 meta/recipes-bsp/grub/files/gcc8.patch (limited to 'meta/recipes-bsp') diff --git a/meta/recipes-bsp/grub/files/gcc8.patch b/meta/recipes-bsp/grub/files/gcc8.patch new file mode 100644 index 0000000000..fa7331f1b3 --- /dev/null +++ b/meta/recipes-bsp/grub/files/gcc8.patch @@ -0,0 +1,74 @@ +From 563b1da6e6ae7af46cc8354cadb5dab416989f0a Mon Sep 17 00:00:00 2001 +From: Michael Chang +Date: Mon, 26 Mar 2018 16:52:34 +0800 +Subject: Fix packed-not-aligned error on GCC 8 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +When building with GCC 8, there are several errors regarding packed-not-aligned. + +./include/grub/gpt_partition.h:79:1: error: alignment 1 of ‘struct grub_gpt_partentry’ is less than 8 [-Werror=packed-not-aligned] + +This patch fixes the build error by cleaning up the ambiguity of placing +aligned structure in a packed one. In "struct grub_btrfs_time" and "struct +grub_gpt_part_type", the aligned attribute seems to be superfluous, and also +has to be packed, to ensure the structure is bit-to-bit mapped to the format +laid on disk. I think we could blame to copy and paste error here for the +mistake. In "struct efi_variable", we have to use grub_efi_packed_guid_t, as +the name suggests. :) + +Signed-off-by: Michael Chang +Tested-by: Michael Chang +Tested-by: Paul Menzel +Reviewed-by: Daniel Kiper + +Upstream-Status: Backport http://git.savannah.gnu.org/cgit/grub.git/commit/?id=563b1da6e6ae7af46cc8354cadb5dab416989f0a +--- + grub-core/fs/btrfs.c | 2 +- + include/grub/efiemu/runtime.h | 2 +- + include/grub/gpt_partition.h | 2 +- + 3 files changed, 3 insertions(+), 3 deletions(-) + +diff --git a/grub-core/fs/btrfs.c b/grub-core/fs/btrfs.c +index 4849c1c..be19544 100644 +--- a/grub-core/fs/btrfs.c ++++ b/grub-core/fs/btrfs.c +@@ -175,7 +175,7 @@ struct grub_btrfs_time + { + grub_int64_t sec; + grub_uint32_t nanosec; +-} __attribute__ ((aligned (4))); ++} GRUB_PACKED; + + struct grub_btrfs_inode + { +diff --git a/include/grub/efiemu/runtime.h b/include/grub/efiemu/runtime.h +index 9b6b729..36d2ded 100644 +--- a/include/grub/efiemu/runtime.h ++++ b/include/grub/efiemu/runtime.h +@@ -29,7 +29,7 @@ struct grub_efiemu_ptv_rel + + struct efi_variable + { +- grub_efi_guid_t guid; ++ grub_efi_packed_guid_t guid; + grub_uint32_t namelen; + grub_uint32_t size; + grub_efi_uint32_t attributes; +diff --git a/include/grub/gpt_partition.h b/include/grub/gpt_partition.h +index 1b32f67..9668a68 100644 +--- a/include/grub/gpt_partition.h ++++ b/include/grub/gpt_partition.h +@@ -28,7 +28,7 @@ struct grub_gpt_part_type + grub_uint16_t data2; + grub_uint16_t data3; + grub_uint8_t data4[8]; +-} __attribute__ ((aligned(8))); ++} GRUB_PACKED; + typedef struct grub_gpt_part_type grub_gpt_part_type_t; + + #define GRUB_GPT_PARTITION_TYPE_EMPTY \ +-- +cgit v1.0-41-gc330 + diff --git a/meta/recipes-bsp/grub/grub2.inc b/meta/recipes-bsp/grub/grub2.inc index 2ea31f6420..a8f335e1f8 100644 --- a/meta/recipes-bsp/grub/grub2.inc +++ b/meta/recipes-bsp/grub/grub2.inc @@ -18,6 +18,7 @@ SRC_URI = "https://ftp.gnu.org/gnu/grub/grub-${PV}.tar.gz \ file://grub-module-explicitly-keeps-symbole-.module_license.patch \ file://0001-grub.d-10_linux.in-add-oe-s-kernel-name.patch \ file://fix.build.with.gcc-7.patch \ + file://gcc8.patch \ " SRC_URI[md5sum] = "1116d1f60c840e6dbd67abbc99acb45d" SRC_URI[sha256sum] = "660ee136fbcee08858516ed4de2ad87068bfe1b6b8b37896ce3529ff054a726d" -- cgit 1.2.3-korg