1 files changed, 54 insertions, 0 deletions
diff --git a/src/mkskel.sh b/src/mkskel.sh
new file mode 100755
index 000000000000..1aa59e1a0e6b
--- /dev/null
+++ b/src/mkskel.sh
@@ -0,0 +1,54 @@
+#! /bin/sh
+
+#  This file is part of flex.
+
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions
+#  are met:
+
+#  1. Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#  2. Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+
+#  Neither the name of the University nor the names of its contributors
+#  may be used to endorse or promote products derived from this software
+#  without specific prior written permission.
+
+#  THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+#  IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+#  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+#  PURPOSE.
+
+if test ! $# = 3; then
+   echo 'Usage: mkskel.sh srcdir m4 version' >&2
+   exit 1
+fi
+echo '/* File created from flex.skl via mkskel.sh */
+
+#include "flexdef.h"
+
+const char *skel[] = {'
+srcdir=$1
+m4=$2
+VERSION=$3
+case $VERSION in
+   *[!0-9.]*) echo 'Invalid version number' >&2; exit 1;;
+esac
+IFS=.
+set $VERSION
+sed 's/4_/a4_/g
+s/m4preproc_/m4_/g
+' "$srcdir/flex.skl" |
+"$m4" -P -I "$srcdir" "-DFLEX_MAJOR_VERSION=$1" \
+   "-DFLEX_MINOR_VERSION=$2" \
+   "-DFLEX_SUBMINOR_VERSION=$3" |
+sed '/^%#/d
+s/m4_/m4preproc_/g
+s/a4_/4_/g
+s/[\\"]/\\&/g
+s/.*/  "&",/'
+
+echo '  0
+};'