From 5776f3f1031b7b45d2659d07fc51d0374651f54a Mon Sep 17 00:00:00 2001
From: Flatcar Buildbot <buildbot@flatcar-linux.org>
Date: Mon, 28 Apr 2025 07:18:52 +0000
Subject: [PATCH] sys-apps/which: Sync with Gentoo

It's from Gentoo commit ffee66804b47833aa0f78d9cc764426212094eac.
---
 .../portage-stable/sys-apps/which/which-2.23.ebuild          | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sdk_container/src/third_party/portage-stable/sys-apps/which/which-2.23.ebuild b/sdk_container/src/third_party/portage-stable/sys-apps/which/which-2.23.ebuild
index 11a9560017..eb6b82b61c 100644
--- a/sdk_container/src/third_party/portage-stable/sys-apps/which/which-2.23.ebuild
+++ b/sdk_container/src/third_party/portage-stable/sys-apps/which/which-2.23.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-inherit toolchain-funcs
+inherit flag-o-matic toolchain-funcs
 
 DESCRIPTION="Prints out location of specified executables that are in your path"
 HOMEPAGE="https://carlowood.github.io/which/"
@@ -16,5 +16,8 @@ KEYWORDS="~alpha amd64 arm arm64 hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390
 src_configure() {
 	tc-export AR
 
+	# Workaround ancient getopt vs C23 (bug #954755)
+	use elibc_musl && append-cppflags -D__GNU_LIBRARY__
+
 	CONFIG_SHELL="${BROOT}"/bin/bash econf
 }