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Comparing COMP/SCRAM/src/Utilities/setarchitecture.pm (file contents):
Revision 1.3 by williamc, Thu Mar 18 10:32:04 1999 UTC vs.
Revision 1.7 by sashby, Fri Jul 12 13:43:26 2002 UTC

#	Line 1 | Line 1
1	<	# simply set the architecture variable based on uname
2	<	#
3	<
1	>	###############################################################
2	>	# setarchitecture                                             #
3	>	###############################################################
4	>	# modified : Fri Jul 12 13:55:16 2002 / SFA                   #
5	>	# params   : none                                             #
6	>	#          :                                                  #
7	>	#          :                                                  #
8	>	#          :                                                  #
9	>	# function : Set the architecture variable. Use simple uname  #
10	>	#          : query for Sun: for Linux, alos try libc checking.#
11	>	#          :                                                  #
12	>	#          :                                                  #
13	>	###############################################################
14		package setarchitecture;
15		require 5.001;
16		require Exporter;
17		@ISA = qw(Exporter);
18		@EXPORT = qw(setarch);
19
20	<	# unix systems
21	<	sub setarch {
22	<	$uname=`uname -a`;
23	<	($OSname, $hostname, $OSversion, @rest) = split / /, $uname;
24	<	#
25	<	# SunOS -
26	<	#
27	<	if ( $OSname=~SunOS ) {
28	<	$OSversion=~s/^(.\..)\.*/\1/; #Retain only the first two version digits
29	<	}
30	<	# simply set to OS type and version
31	<	$ENV{SCRAM_ARCH}="${OSname}__${OSversion}";
32	<	print "Setting Architecture to $ENV{SCRAM_ARCH}\n";
33	<	}
20	>	# Currently, this is only used for UNIX systems. Not entirely sure what
21	>	# happens on Windows (most people tend to use CYGWIN). Eventually, this
22	>	# will need to be improved for non-UNIX architectures:
23	>	sub setarch
24	>	{
25	>	my $uname=`uname -a`;
26	>	my ($OSname, $hostname, $OSversion, @rest) = split / /, $uname;
27	>
28	>	# Retain only the first two version digits:
29	>	if ( $OSname =~ SunOS )
30	>	{
31	>	$OSversion =~ s/^(.\..)\..*/\1/;
32	>	}
33	>
34	>	if ( $OSname =~ Linux )
35	>	{
36	>	# Firstly we check for the kernel version.
37	>	$OSversion =~ s/^(.\..)\..*/\1/;
38	>	# Now, we also check for the libc version to confirm (or otherwise)
39	>	# the choice determined by the previous step:
40	>	#      my $lddcmd="ldd /bin/ls";
41	>	#      my ($match) = (`$lddcmd|grep libc` =~ /\s+libc\.so.*\s\=.*\s(.*)\s.*/);
42	>	# Open the ldd command as a pipe:
43	>	#      my $pid=open(LDD,"$lddcmd 2>&1 |");
44	>	#      exit(1) unless (defined($pid));
45	>
46	>	# Loop over lines of output:
47	>	#      while (<LDD>)
48	>	#        {
49	>	#        chomp $_;
50	>	#        if (my ($match) = ($_ =~ /\s+libc\.so.*\s.*\s(.*)\s.*/))
51	>	#           {
52	>	#           print "> LDD Match: ",$match,"\n";
53	>	#           last;
54	>	#           }
55	>	#        }
56	>	#
57	>	# Grab something that looks like "libc.*":
58	>
59	>	# Check if this libc thing is a soft link (it should be):
60	>
61	>	# Find out what the thingy is that the link points to:
62	>
63	>	#
64	>	}
65	>
66	>	# Set arch flag to [OS type]__[OSversion]:
67	>	if ( ! defined $ENV{SCRAM_ARCH} )
68	>	{
69	>	$ENV{SCRAM_ARCH}="${OSname}__${OSversion}";
70	>	}
71	>
72	>	return (0);
73	>	}

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