Half implemented new report -- look for illegal symbols in the

compiled libraries and compononents.  Still to do: 
- check components
- send mail if it finds anything wrong
- check multiple installation directories (?)

This commit was SVN r2811.

contrib/nightly/illegal_symbols_report.pl

@@ -0,0 +1,93 @@
+#!/usr/bin/env perl
+#
+# $HEADER$
+#
+# Look for public symbols in Open MPI libraries and components that
+# are "bad"
+#
+
+use strict;
+use Data::Dumper;
+
+my $prefix = $ARGV[0];
+if (! $prefix) {
+    die "Must supply the prefix to an Open MPI installation";
+}
+
+# Filenames of libraries to look through
+
+my @lib_prefixes = ("libmpi", "libmca" );
+my @lib_suffixes = ('\.so', '\.a');
+
+# Filenames of components to look through
+
+my @comp_prefixes = ("mca_");
+my @comp_suffices = (".so");
+
+# Acceptable public symbol prefixes
+
+my @acceptable = ("ompi_" , "mpi_", "MPI_", "OMPI_", "MPI::", "PMPI_", "PMPI::", "mca_", "lt_" );
+
+# Troll through the library directory
+
+my $libdir = "$prefix/lib";
+if (! -d $libdir) {
+    die "libdir does not exist: $libdir";
+}
+opendir(LIB, $libdir) || die "Unable to open libdir: $libdir";
+my @dir_files = readdir(LIB);
+closedir(LIB);
+
+# Ok, not efficient.  Sue me.  :-)
+# Find all the matching files
+
+my @found_files;
+foreach my $prefix (@lib_prefixes) {
+    foreach my $suffix (@lib_suffixes) {
+        foreach my $file (@dir_files) {
+            if ($file =~ /^$prefix.*$suffix$/) {
+                push(@found_files, $file);
+            }
+        }
+    }
+}
+
+# Run nm on each of those files looking for global symbols with "bad"
+# names
+
+my @found_symbols;
+foreach my $file (@found_files) {
+    open NM, "nm -l -C $libdir/$file|";
+    while (<NM>) {
+        chomp;
+        my ($bogus1, $scope, $symbol, $location) = split(/[ \t]+/, $_);
+        if ($scope =~ /[A-Z]/ && 
+            $scope !~ /[UVW]/ &&
+            $symbol !~ /^_/) {
+            push(@found_symbols, {
+                file => $file,
+                symbol => $symbol,
+                scope => $scope,
+                location => $location,
+            });
+        }
+    }
+}
+
+# Now list all the bad ones
+
+my $ok;
+foreach my $symbol (@found_symbols) {
+    $ok = 0;
+    foreach my $prefix (@acceptable) {
+        if ($symbol->{symbol} =~ /^$prefix/) {
+            $ok = 1;
+        }
+    }
+    if (! $ok) {
+        print "$symbol->{file}: $symbol->{symbol}\n";
+        if ($symbol->{location}) {
+            print " --> $symbol->{location}\n";
+        }
+    }
+}