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uboot-mvebu: backport patch for Turris Omnia to enable LTO

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Fixes issue while building package uboot-mvebu on OpenWrt 23.05:

u-boot-with-spl.kwb exceeds file size limit:
  limit:  0xf0000 bytes
  actual: 0xf0100 bytes
  excess: 0x100 bytes
make[3]: *** [Makefile:1466: u-boot-with-spl.kwb] Error 1
make[3]: *** Deleting file 'u-boot-with-spl.kwb'
make[3]: Leaving directory '/workspaces/openwrt/build_dir/target-arm_cortex-a9+vfpv3-d16_musl_eabi/u-boot-omnia/u-boot-2024.04'
make[2]: *** [Makefile:83: /workspaces/openwrt/build_dir/target-arm_cortex-a9+vfpv3-d16_musl_eabi/u-boot-omnia/u-boot-2024.04/.built] Error 2

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/15307
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Josef Schlehofer 2024-04-28 09:24:29 +02:00 committed by Robert Marko
parent 2aa6c875f8
commit 1b190dfd3a
1 changed files with 30 additions and 0 deletions
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package/boot/uboot-mvebu/patches/0001-arm-mvebu-turris_omnia-Enable-LTO-by-default-on-Turr.patch Normal file
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@ -0,0 +1,30 @@
From ca4ecdce4cdcfab7df101b5df6ddad43d2f549e1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <kabel@kernel.org>
Date: Thu, 4 Apr 2024 09:50:50 +0200
Subject: [PATCH] arm: mvebu: turris_omnia: Enable LTO by default on Turris
Omnia
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
U-Boot builds for Turris Omnia are approaching the limit of 0xf0000
bytes, which is the size of the U-Boot partition on Omnia.
Enable LTO to get more size optimized binaries.
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
---
configs/turris_omnia_defconfig | 1 +
1 file changed, 1 insertion(+)
--- a/configs/turris_omnia_defconfig
+++ b/configs/turris_omnia_defconfig
@@ -31,6 +31,7 @@ CONFIG_AHCI=y
CONFIG_OF_BOARD_FIXUP=y
CONFIG_SYS_MEMTEST_START=0x00800000
CONFIG_SYS_MEMTEST_END=0x00ffffff
+CONFIG_LTO=y
CONFIG_HAS_BOARD_SIZE_LIMIT=y
CONFIG_BOARD_SIZE_LIMIT=983040
CONFIG_FIT=y