scripts/test-installation.pl

   1 #! /usr/bin/perl -w
   2 # Copyright (C) 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
   3 # This file is part of the GNU C Library.
   4 # Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1997.
   5
   6 # The GNU C Library is free software; you can redistribute it and/or
   7 # modify it under the terms of the GNU Lesser General Public
   8 # License as published by the Free Software Foundation; either
   9 # version 2.1 of the License, or (at your option) any later version.
  10
  11 # The GNU C Library is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 # Lesser General Public License for more details.
  15
  16 # You should have received a copy of the GNU Lesser General Public
  17 # License along with the GNU C Library; if not, write to the Free
  18 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 # 02111-1307 USA.
  20
  21
  22 $PACKAGE = "libc";
  23 $progname = $0;
  24 if ($ENV{CC}) {
  25   $CC = $ENV{CC};
  26 } else {
  27   $CC= "gcc";
  28 }
  29
  30 sub usage {
  31   print "Usage: test-installation [soversions.mk]\n";
  32   print "  --help       print this help, then exit\n";
  33   print "  --version    print version number, then exit\n";
  34   exit 0;
  35 }
  36
  37 sub installation_problem {
  38   print "The script has found some problems with your installation!\n";
  39   print "Please read the FAQ and the README file and check the following:\n";
  40   print "- Did you change the gcc specs file (necessary after upgrading from\n";
  41   print "  Linux libc5)?\n";
  42   print "- Are there any symbolic links of the form libXXX.so to old libraries?\n";
  43   print "  Links like libm.so -> libm.so.5 (where libm.so.5 is an old library) are wrong,\n";
  44   print "  libm.so should point to the newly installed glibc file - and there should be\n";
  45   print "  only one such link (check e.g. /lib and /usr/lib)\n";
  46   print "You should restart this script from your build directory after you've\n";
  47   print "fixed all problems!\n";
  48   print "Btw. the script doesn't work if you're installing GNU libc not as your\n";
  49   print "primary library!\n";
  50   exit 1;
  51 }
  52
  53 arglist: while (@ARGV) {
  54   if ($ARGV[0] eq "--v" || $ARGV[0] eq "--ve" || $ARGV[0] eq "--ver" ||
  55       $ARGV[0] eq "--vers" || $ARGV[0] eq "--versi" ||
  56       $ARGV[0] eq "--versio" || $ARGV[0] eq "--version") {
  57     print "test-installation (GNU $PACKAGE)\n";
  58     print "Copyright (C) 1997, 1998 Free Software Foundation, Inc.\n";
  59     print "This is free software; see the source for copying conditions.  There is NO\n";
  60     print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n";
  61     print "Written by Andreas Jaeger <aj\@arthur.rhein-neckar.de>\n";
  62
  63     exit 0;
  64   } elsif ($ARGV[0] eq "--h" || $ARGV[0] eq "--he" || $ARGV[0] eq "--hel" ||
  65            $ARGV[0] eq "--help") {
  66     &usage;
  67   } elsif ($ARGV[0] =~ /^-/) {
  68     print "$progname: unrecognized option `$ARGV[0]'\n";
  69     print "Try `$progname --help' for more information.\n";
  70     exit 1;
  71   } else {
  72     last arglist;
  73   }
  74 }
  75
  76 # We expect none or one argument.
  77 if ($#ARGV == -1) {
  78     $soversions="soversions.mk";
  79 } elsif ($#ARGV == 0) {
  80     if (-d $ARGV[0]) {
  81       $soversions = "$ARGV[0]/soversions.mk";
  82     } else {
  83       $soversions = $ARGV[0];
  84     }
  85 } else {
  86     die "Wrong number of arguments.";
  87 }
  88
  89
  90 # Read names and versions of all shared libraries that are part of
  91 # glibc
  92 open SOVERSIONS, $soversions
  93   or die ("Couldn't open $soversions in build directory!");
  94
  95 $link_libs = "";
  96 %versions = ();
  97
  98 while (<SOVERSIONS>) {
  99   next if (/^all-sonames/);
 100   chop;
 101   if (/^lib/) {
 102     ($name, $version)= /^lib(.*)\.so-version=\.(.*)$/;
 103     # Filter out some libraries we don't want to link:
 104     # - nss_ldap since it's not yet available
 105     # - libdb1 since it conflicts with libdb
 106     # - libnss1_* from glibc-compat add-on
 107     # - libthread_db since it contains unresolved references
 108     if ($name ne "nss_ldap" && $name ne "db1"
 109         && !($name =~/^nss1_/) && $name ne "thread_db") {
 110       $link_libs .= " -l$name";
 111       $versions{$name} = $version;
 112     }
 113   } else {
 114     if (/^ld\.so/) {
 115       ($ld_so_name, $ld_so_version)= /=(.*)\.so\.(.*)$/;
 116     }
 117   }
 118 }
 119
 120 close SOVERSIONS;
 121
 122 # Create test program and link it against all
 123 # shared libraries
 124
 125 open PRG, ">/tmp/test-prg$$.c"
 126   or die ("Couldn't write test file /tmp/test-prg$$.c");
 127
 128 print PRG '
 129 #include <stdio.h>
 130 #include <stdlib.h>
 131 int main(void) {
 132   printf ("Your new glibc installation seems to be ok.\n");
 133   exit (0);
 134 }
 135 ';
 136 close PRG;
 137
 138 open GCC, "$CC /tmp/test-prg$$.c $link_libs -o /tmp/test-prg$$ 2>&1 |"
 139   or die ("Couldn't execute $CC!");
 140
 141 while (<GCC>) {
 142   print $_ if (! /warning/);
 143 }
 144 close GCC;
 145 if ($?) {
 146   print "Execution of $CC failed!\n";
 147   &installation_problem;
 148 }
 149
 150 # Test if test program is linked against the right versions of
 151 # shared libraries
 152
 153 $ok = 1;
 154 %found = ();
 155
 156 open LDD, "ldd /tmp/test-prg$$ |"
 157   or die ("Couldn't execute ldd");
 158 while (<LDD>) {
 159   if (/^\s*lib/) {
 160     ($name, $version1, $version2) =
 161       /^\s*lib(\w*)\.so\.([0-9\.]*)\s*=>.*\.so\.([0-9\.]*)/;
 162     $found{$name} = 1;
 163     if ($versions{$name} ne $version1 || $version1 ne $version2) {
 164       print "Library lib$name is not correctly installed.\n";
 165       print "Please check your installation!\n";
 166       print "Offending line of ldd output: $_\n";
 167       $ok = 0;
 168     }
 169   }
 170   if (/$ld_so_name/) {
 171     ($version1) = /$ld_so_name\.so\.([0-9\.]*)/;
 172     if ($version1 ne $ld_so_version) {
 173       print "The dynamic linker $ld_so_name.so is not correctly installed.\n";
 174       print "Please check your installation!\n";
 175       print "Offending line of ldd output: $_\n";
 176       $ok = 0;
 177     }
 178   }
 179 }
 180
 181 close LDD;
 182 die "ldd execution failed" if $?;
 183
 184 foreach (keys %versions) {
 185   unless ($found{$_}) {
 186     print "Library lib$_ is not correctly installed since the test program\n";
 187     print "was not linked dynamically against it.\n";
 188     print "Do you have a file/link lib$_.so?\n";
 189     $ok = 0;
 190   }
 191 }
 192
 193 &installation_problem unless $ok;
 194
 195 # Finally execute the test program
 196 system ("/tmp/test-prg$$") == 0
 197   or die ("Execution of test program failed");
 198
 199 # Clean up after ourselves
 200 unlink ("/tmp/test-prg$$", "/tmp/test-prg$$.c");