Bump bash to 5.1.

sysa/bash-5.1/bash-5.1.sh

@@ -0,0 +1,25 @@
+# SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    # Remove bison generated files
+    rm y.tab.c y.tab.h
+
+    # Rebuild configure script
+    rm configure
+    autoconf-2.61
+}
+
+src_configure() {
+    CC=tcc CPPFLAGS="-D HAVE_ALLOCA_H" \
+        ./configure --prefix="${PREFIX}" \
+        --without-bash-malloc \
+        --disable-nls \
+        --build=i386-unknown-linux-gnu \
+        --enable-static-link
+}
+
+src_install() {
+    install bash ${bindir}
+}