From 5f8db77d5243918cfd9e5f4439b9b98bf7db03cf Mon Sep 17 00:00:00 2001
From: Flatcar Buildbot <buildbot@flatcar-linux.org>
Date: Mon, 15 Jan 2024 07:12:18 +0000
Subject: [PATCH] dev-util/perf: Sync with Gentoo

It's from Gentoo commit 6ef4a840b76f607d38196344e9d2fd19d3142dd4.
---
 .../dev-util/perf/perf-6.3.ebuild             |  6 ++--
 .../dev-util/perf/perf-6.5.ebuild             |  6 ++--
 .../dev-util/perf/perf-6.6.ebuild             | 28 +++++++++++++++----
 3 files changed, 29 insertions(+), 11 deletions(-)

diff --git a/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.3.ebuild b/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.3.ebuild
index e3f009470d..58d7202c0f 100644
--- a/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.3.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.3.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -41,8 +41,8 @@ BDEPEND="
 	${PYTHON_DEPS}
 	>=app-arch/tar-1.34-r2
 	dev-python/setuptools[${PYTHON_USEDEP}]
-	sys-devel/bison
-	sys-devel/flex
+	app-alternatives/yacc
+	app-alternatives/lex
 	virtual/pkgconfig
 	doc? (
 		app-text/asciidoc
diff --git a/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.5.ebuild b/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.5.ebuild
index 128f4fd8b6..006893a110 100644
--- a/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.5.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.5.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -44,8 +44,8 @@ BDEPEND="
 	${PYTHON_DEPS}
 	>=app-arch/tar-1.34-r2
 	dev-python/setuptools[${PYTHON_USEDEP}]
-	sys-devel/bison
-	sys-devel/flex
+	app-alternatives/yacc
+	app-alternatives/lex
 	virtual/pkgconfig
 	doc? (
 		app-text/asciidoc
diff --git a/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.6.ebuild b/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.6.ebuild
index 5f93ba5de3..b5b413be9a 100644
--- a/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.6.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-util/perf/perf-6.6.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -31,7 +31,7 @@ SRC_URI+=" https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/${LINUX_SOURCES}"
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~x86 ~amd64-linux ~x86-linux"
-IUSE="audit babeltrace bpf caps crypt debug +doc gtk java libpfm +libtraceevent +libtracefs lzma numa perl python slang systemtap tcmalloc unwind zstd"
+IUSE="abi_mips_o32 abi_mips_n32 abi_mips_n64 audit babeltrace big-endian bpf caps crypt debug +doc gtk java libpfm +libtraceevent +libtracefs lzma numa perl python slang systemtap tcmalloc unwind zstd"
 
 REQUIRED_USE="
 	${PYTHON_REQUIRED_USE}
@@ -43,8 +43,8 @@ BDEPEND="
 	${PYTHON_DEPS}
 	>=app-arch/tar-1.34-r2
 	dev-python/setuptools[${PYTHON_USEDEP}]
-	sys-devel/bison
-	sys-devel/flex
+	app-alternatives/yacc
+	app-alternatives/lex
 	virtual/pkgconfig
 	doc? (
 		app-text/asciidoc
@@ -223,11 +223,29 @@ perf_make() {
 		disable_libdw=1
 	fi
 
+	# perf directly invokes LD for linking without going through CC, on mips
+	# it is required to specify the emulation.  port of below buildroot patch
+	# https://patchwork.ozlabs.org/project/buildroot/patch/20170217105905.32151-1-Vincent.Riera@imgtec.com/
+	local linker="$(tc-getLD)"
+	if use mips
+	then
+		if use big-endian
+		then
+			use abi_mips_n64 && linker+=" -m elf64btsmip"
+			use abi_mips_n32 && linker+=" -m elf32btsmipn32"
+			use abi_mips_o32 && linker+=" -m elf32btsmip"
+		else
+			use abi_mips_n64 && linker+=" -m elf64ltsmip"
+			use abi_mips_n32 && linker+=" -m elf32ltsmipn32"
+			use abi_mips_o32 && linker+=" -m elf32ltsmip"
+		fi
+	fi
+
 	# FIXME: NO_CORESIGHT
 	local emakeargs=(
 		V=1 VF=1
 		HOSTCC="$(tc-getBUILD_CC)" HOSTLD="$(tc-getBUILD_LD)"
-		CC="$(tc-getCC)" CXX="$(tc-getCXX)" AR="$(tc-getAR)" LD="$(tc-getLD)" NM="$(tc-getNM)"
+		CC="$(tc-getCC)" CXX="$(tc-getCXX)" AR="$(tc-getAR)" LD="${linker}" NM="$(tc-getNM)"
 		PKG_CONFIG="$(tc-getPKG_CONFIG)"
 		prefix="${EPREFIX}/usr" bindir_relative="bin"
 		tipdir="share/doc/${PF}"