Add bison 3.4.2.

sysa/bison-3.4.2/bison-3.4.2.sh

@@ -0,0 +1,32 @@
+# SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    default
+
+    # Remove pre-generated flex/bison files
+    rm src/parse-gram.c src/parse-gram.h
+    rm src/scan-code.c
+    rm src/scan-gram.c
+    rm src/scan-skel.c
+
+    # Remove pregenerated info files
+    rm doc/bison.info
+
+    ../../import-gnulib.sh
+
+    AUTOPOINT=true autoreconf -fi
+}
+
+src_configure() {
+    ./configure --prefix="${PREFIX}" --disable-nls
+}
+
+src_compile() {
+    make MAKEINFO=true
+}
+
+src_install() {
+    make MAKEINFO=true DESTDIR="${DESTDIR}" install
+}