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edk2-firmware-tegra: add backported patch for cpp issue

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when building on Fedora 40, and probably other newer-vintage
distros.

Signed-off-by: Matt Madison <matt@madison.systems>
This commit is contained in:
Matt Madison
2024-12-07 08:41:31 -08:00
committed by Matt Madison
parent 7f44cec67e
commit 7ca22f4bd1
2 changed files with 37 additions and 0 deletions
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1
recipes-bsp/uefi/edk2-firmware-tegra-36.4.0.inc
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@@ -35,6 +35,7 @@ SRC_URI += "\
file://0001-Update-tools_def.template-for-toolchain-differences.patch \
file://0002-L4TLauncher-allow-for-empty-missing-APPEND-line-in-e.patch;patchdir=../edk2-nvidia \
file://0003-XusbControllerDxe-use-BaseMemoryLib-functions.patch;patchdir=../edk2-nvidia \
file://0004-MdePkg-Check-if-compiler-has-__has_builtin-before-tr.patch \
"
S = "${WORKDIR}/edk2-tegra/edk2"

36
recipes-bsp/uefi/files/0004-MdePkg-Check-if-compiler-has-__has_builtin-before-tr.patch Normal file
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@@ -0,0 +1,36 @@
From 9427b84cae3389cceeeaf52596d37b4c9601b4ca Mon Sep 17 00:00:00 2001
From: Rebecca Cran <rebecca@bsdio.com>
Date: Sun, 16 Jun 2024 02:55:33 -0600
Subject: [PATCH] MdePkg: Check if compiler has __has_builtin before trying to
use it
When building AArch64 code, cpp gets run with the `-undef` flag which on
Fedora 40 with gcc version 14.1.1 20240607 (Red Hat 14.1.1-5) causes
__has_builtin to be undefined. When running the check for
__builtin_unreachable in Base.h it causes an error
"missing binary operator before token "("".
Check that we have __has_builtin before trying to use it.
Upstream-Status: Backport [https://github.com/tianocore/edk2/pull/5781]
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
---
MdePkg/Include/Base.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MdePkg/Include/Base.h b/MdePkg/Include/Base.h
index e02970a052..7caebbeb1f 100644
--- a/MdePkg/Include/Base.h
+++ b/MdePkg/Include/Base.h
@@ -59,7 +59,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
/// up to the compiler to remove any code past that point.
///
#define UNREACHABLE() __builtin_unreachable ()
- #elif defined (__has_feature)
+ #elif defined (__has_builtin) && defined (__has_feature)
#if __has_builtin (__builtin_unreachable)
///
/// Signal compilers and analyzers that this call is not reachable. It is
--
2.43.0