From ec835b704a77e60eb0c0fce8b4eb0d3cb71a3cb6 Mon Sep 17 00:00:00 2001
From: Flatcar Buildbot <buildbot@flatcar-linux.org>
Date: Mon, 23 Mar 2026 07:31:54 +0000
Subject: [PATCH] app-shells/bash: Sync with Gentoo

It's from Gentoo commit c66b5a70ac6ffcc5b3dd20a283a0fae85d64fa05.

Signed-off-by: Flatcar Buildbot <buildbot@flatcar-linux.org>
---
 .../app-shells/bash/bash-5.3_p9.ebuild           | 16 ++++++++++++++++
 .../bash/bash-5.4_alpha_pre20251202.ebuild       | 16 ++++++++++++++++
 .../app-shells/bash/bash-9999.ebuild             | 16 ++++++++++++++++
 3 files changed, 48 insertions(+)

diff --git a/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-5.3_p9.ebuild b/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-5.3_p9.ebuild
index 0c65da5eec..e36c6f8570 100644
--- a/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-5.3_p9.ebuild
+++ b/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-5.3_p9.ebuild
@@ -175,7 +175,23 @@ src_configure() {
 	unset -v YACC
 
 	if tc-is-cross-compiler; then
+		# https://lists.gnu.org/archive/html/bug-bash/2025-05/msg00029.html
 		export CFLAGS_FOR_BUILD="${BUILD_CFLAGS} -std=gnu17"
+
+		if use kernel_Hurd ; then
+			# Necessary for cross-built bash for Hurd, otherwise
+			# config.status generation at end of configure will hang
+			# natively.
+			#
+			# https://lists.debian.org/debian-cross/2023/11/msg00000.html
+			# https://lists.gnu.org/archive/html/bug-bash/2024-11/msg00202.html
+			# https://lists.gnu.org/archive/html/bug-bash/2005-04/msg00074.html
+			cat <<-EOF > builtins/psize.sh || die
+			#!/bin/sh
+			echo "#define PIPESIZE 16384"
+			EOF
+			chmod +x builtins/psize.sh || die
+		fi
 	fi
 
 	myconf=(
diff --git a/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-5.4_alpha_pre20251202.ebuild b/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-5.4_alpha_pre20251202.ebuild
index 6fec1496d1..8c08d6cff5 100644
--- a/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-5.4_alpha_pre20251202.ebuild
+++ b/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-5.4_alpha_pre20251202.ebuild
@@ -178,7 +178,23 @@ src_configure() {
 	unset -v YACC
 
 	if tc-is-cross-compiler; then
+		# https://lists.gnu.org/archive/html/bug-bash/2025-05/msg00029.html
 		export CFLAGS_FOR_BUILD="${BUILD_CFLAGS} -std=gnu17"
+
+		if use kernel_Hurd ; then
+			# Necessary for cross-built bash for Hurd, otherwise
+			# config.status generation at end of configure will hang
+			# natively.
+			#
+			# https://lists.debian.org/debian-cross/2023/11/msg00000.html
+			# https://lists.gnu.org/archive/html/bug-bash/2024-11/msg00202.html
+			# https://lists.gnu.org/archive/html/bug-bash/2005-04/msg00074.html
+			cat <<-EOF > builtins/psize.sh || die
+			#!/bin/sh
+			echo "#define PIPESIZE 16384"
+			EOF
+			chmod +x builtins/psize.sh || die
+		fi
 	fi
 
 	myconf=(
diff --git a/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-9999.ebuild b/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-9999.ebuild
index 58734d9d40..65666522a2 100644
--- a/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-9999.ebuild
+++ b/sdk_container/src/third_party/portage-stable/app-shells/bash/bash-9999.ebuild
@@ -178,7 +178,23 @@ src_configure() {
 	unset -v YACC
 
 	if tc-is-cross-compiler; then
+		# https://lists.gnu.org/archive/html/bug-bash/2025-05/msg00029.html
 		export CFLAGS_FOR_BUILD="${BUILD_CFLAGS} -std=gnu17"
+
+		if use kernel_Hurd ; then
+			# Necessary for cross-built bash for Hurd, otherwise
+			# config.status generation at end of configure will hang
+			# natively.
+			#
+			# https://lists.debian.org/debian-cross/2023/11/msg00000.html
+			# https://lists.gnu.org/archive/html/bug-bash/2024-11/msg00202.html
+			# https://lists.gnu.org/archive/html/bug-bash/2005-04/msg00074.html
+			cat <<-EOF > builtins/psize.sh || die
+			#!/bin/sh
+			echo "#define PIPESIZE 16384"
+			EOF
+			chmod +x builtins/psize.sh || die
+		fi
 	fi
 
 	myconf=(