create bsd12 branch

Tools/scripts/neededlibs.sh

@@ -0,0 +1,63 @@
+#!/bin/sh
+
+#
+# Copyright (C) 2007 Alexander Leidinger <netchild@FreeBSD.org>.
+# All rights reserved.
+#
+# 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.
+#
+# THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+
+# $FreeBSD: head/Tools/scripts/neededlibs.sh 340851 2014-01-23 19:55:14Z mat $
+
+
+#
+# The purpose of this script is to find as much dependencies of a binary
+# as possible. A dependecy is for example a library which is directly
+# referenced in the binary.
+#
+
+# XXX: it doesn't handle calls to dlopen() or the corresponding libltdl
+# function. I don't know if this is needed to detect references to stuff
+# which can be added as LIB_DEPENDS.
+
+if [ -z "$1" ]; then
+	echo "Usage: $0 binary_file ..."
+	exit 2
+fi
+
+for i in "$@"; do
+	kind=$(file -bi "$i")
+
+	case "${kind}" in
+	application/x-executable*|application/x-sharedlib*)
+		# ok, fall through
+		;;
+	*)
+		# not ok, go to next one
+		shift
+		continue
+		;;
+	esac
+
+	objdump -x "$i" | awk '/NEEDED/ {print $2}'
+	shift
+done | sort -u