Add flex 2.5.33

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