1#!/usr/bin/awk -f
2# SPDX-License-Identifier: GPL-2.0
3# Before running this script please ensure that your PATH is
4# typical as you use for compilation/installation. I use
5# /bin /sbin /usr/bin /usr/sbin /usr/local/bin, but it may
6# differ on your system.
7
8BEGIN {
9	usage = "If some fields are empty or look unusual you may have an old version.\n"
10	usage = usage "Compare to the current minimal requirements in Documentation/Changes.\n"
11	print usage
12
13	system("uname -a")
14	printf("\n")
15
16	vernum = "[0-9]+([.]?[0-9]+)+"
17	libc = "libc[.]so[.][0-9]+$"
18	libcpp = "(libg|stdc)[+]+[.]so([.][0-9]+)+$"
19
20	printversion("GNU C", version("gcc -dumpversion"))
21	printversion("GNU Make", version("make --version"))
22	printversion("Binutils", version("ld -v"))
23	printversion("Util-linux", version("mount --version"))
24	printversion("Mount", version("mount --version"))
25	printversion("Module-init-tools", version("depmod -V"))
26	printversion("E2fsprogs", version("tune2fs"))
27	printversion("Jfsutils", version("fsck.jfs -V"))
28	printversion("Xfsprogs", version("xfs_db -V"))
29	printversion("Pcmciautils", version("pccardctl -V"))
30	printversion("Pcmcia-cs", version("cardmgr -V"))
31	printversion("Quota-tools", version("quota -V"))
32	printversion("PPP", version("pppd --version"))
33	printversion("Isdn4k-utils", version("isdnctrl"))
34	printversion("Nfs-utils", version("showmount --version"))
35	printversion("Bison", version("bison --version"))
36	printversion("Flex", version("flex --version"))
37
38	while ("ldconfig -p 2>/dev/null" | getline > 0)
39		if ($NF ~ libc || $NF ~ libcpp)
40			if (!seen[ver = version("readlink " $NF)]++)
41				printversion("Linux C" ($NF ~ libcpp? "++" : "") " Library", ver)
42
43	printversion("Dynamic linker (ldd)", version("ldd --version"))
44	printversion("Procps", version("ps --version"))
45	printversion("Net-tools", version("ifconfig --version"))
46	printversion("Kbd", version("loadkeys -V"))
47	printversion("Console-tools", version("loadkeys -V"))
48	printversion("Sh-utils", version("expr --v"))
49	printversion("Udev", version("udevadm --version"))
50	printversion("Wireless-tools", version("iwconfig --version"))
51
52	while ("sort /proc/modules" | getline > 0) {
53		mods = mods sep $1
54		sep = " "
55	}
56	printversion("Modules Loaded", mods)
57}
58
59function version(cmd,    ver) {
60	cmd = cmd " 2>&1"
61	while (cmd | getline > 0) {
62		if (match($0, vernum)) {
63			ver = substr($0, RSTART, RLENGTH)
64			break
65		}
66	}
67	close(cmd)
68	return ver
69}
70
71function printversion(name, value,  ofmt) {
72	if (value != "") {
73		ofmt = "%-20s\t%s\n"
74		printf(ofmt, name, value)
75	}
76}
77