Add flex 2.5.33

SHA256SUMS.sources

@@ -63,3 +63,4 @@ c6c37e888b136ccefab903c51149f4b7bd659d69d4aea21245f61053a57aa60a  tar-1.12.tar.g
 de23af78fca90ce32dff2dd45b3432b2334740bb9bb7b05bf60fdbfc396ceb9c  tcc-0.9.27.tar.bz2
 1b700d375e253e88bdf79caa244284a899b80f59fd64fdd3aaa6408b7bd715ae  untar.c
 166c48d2842519bc4f96333bff9e265f8cdda44d38e40594ef3f9bbb52890490  xz-5.0.5.tar.bz2
+c40385e142989c91989413f3c5a31282b2ffdca16b69cd3ecfde537b8a474921  flex-2.5.33.tar.gz

parts.rst

@@ -631,3 +631,10 @@ mpc 3.2.1
 
 GNU MPC is a library for multiprecision complex arithmetic with exact rounding based
 on GNU MPFR.
+
+flex 2.5.33
+===========
+
+An older version of flex is required for bison 2.3. We cannot use 2.5.11 that
+was compiled much earlier, as it does not produce reproducible output when
+building bison 2.3.

sysa.py

@@ -457,3 +457,6 @@ class SysA:
 
         # mpc 1.2.1
         self.get_file("https://mirrors.kernel.org/gnu/mpc/mpc-1.2.1.tar.gz")
+
+        # flex 2.5.33
+        self.get_file("http://download.nust.na/pub2/openpkg1/sources/DST/flex/flex-2.5.33.tar.gz")

sysa/flex-2.5.33/checksums

@@ -0,0 +1 @@
+8f497d6d82df2c6638654f43630559df83444d32f8e690109387d16db1d8d889  /after/bin/flex-2.5.33

sysa/flex-2.5.33/flex-2.5.33.sh

@@ -0,0 +1,29 @@
+# SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    default
+
+    AUTOPOINT=true autoreconf -fi
+
+    # Remove pregenerated files
+    rm parse.c parse.h scan.c 
+
+    # Remove pregenerated .info
+    rm doc/flex.info
+}
+
+src_configure() {
+    ./configure \
+        --prefix="${PREFIX}" \
+        --program-suffix=-2.5.33
+}
+
+src_compile() {
+    make MAKEINFO=true
+}
+
+src_install() {
+    make MAKEINFO=true DESTDIR="${DESTDIR}" install
+}

sysa/run2.sh

@@ -34,6 +34,8 @@ build mpfr-4.1.0
 
 build mpc-1.2.1
 
+build flex-2.5.33
+
 if [ "$FORCE_TIMESTAMPS" = True ] ; then
     echo 'Forcing all files timestamps to be 0 unix time.'
     canonicalise_all_files_timestamp