Add bison 3.4.2.

sysa/bison-3.4.2/patches/gnulib-makefile.patch

@@ -0,0 +1,17 @@
+SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: GPL-3.0-or-later
+
+Again, same as bison 2.3. I cannot figure out what gnulib/bison are doing
+that makes this required...
+
+--- Makefile.am	2021-04-15 12:18:34.371818904 +1000
++++ Makefile.am	2021-04-15 12:18:39.055851647 +1000
+@@ -63,6 +63,7 @@
+ check_SCRIPTS =
+ dist_TESTS =
+ noinst_LIBRARIES =
++lib_libbison_a_SOURCES =
+ 
+ include build-aux/local.mk
+ include data/local.mk

sysa/bison-3.4.2/patches/our-bison.patch

@@ -0,0 +1,18 @@
+SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: GPL-3.0-or-later
+
+Why do they insist on using themselves to bootstrap themselves? It dosen't
+exist...
+
+--- Makefile.am	2021-04-15 21:29:36.596205032 +1000
++++ Makefile.am	2021-04-15 21:30:00.367365897 +1000
+@@ -39,7 +39,7 @@
+ ## Running the bison from this tarball.  To generate our own parser,
+ ## but also to run the tests.  Of course, you ought to keep a sane
+ ## version of Bison nearby...
+-BISON = $(top_builddir)/tests/bison
++BISON = /after/bin/bison
+ BISON_IN = $(top_srcdir)/tests/bison.in
+ YACC = $(BISON) -o y.tab.c
+ AM_YFLAGS_WITH_LINES = --defines -Werror -Wall --report=all

sysa/bison-3.4.2/patches/po-files.patch

@@ -0,0 +1,25 @@
+SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+
+SPDX-License-Identifier: GPL-3.0-or-later
+
+We don't have network access at this stage to "Fetch PO files".
+
+--- ../gnulib-672663a/gnulib-tool	2021-04-15 21:07:04.538055553 +1000
++++ ../gnulib-672663a/gnulib-tool	2021-04-15 21:07:16.424135984 +1000
+@@ -5564,16 +5564,6 @@
+       fi
+       func_append added_files "$pobase/POTFILES.in$nl"
+     fi
+-    # Fetch PO files.
+-    TP_URL="https://translationproject.org/latest/"
+-    if $doit; then
+-      echo "Fetching gnulib PO files from $TP_URL"
+-      (cd "$destdir"/$pobase \
+-       && wget --no-verbose --mirror --level=1 -nd -A.po -P . "${TP_URL}gnulib/"
+-      )
+-    else
+-      echo "Fetch gnulib PO files from $TP_URL"
+-    fi
+     # Create po/LINGUAS.
+     if $doit; then
+       func_dest_tmpfilename $pobase/LINGUAS