scripts/test-installation.pl

   1 #! /usr/bin/perl -w
   2 # Copyright (C) 1997-2012 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, see
  18 # <http://www.gnu.org/licenses/>.
  19
  20
  21 $PACKAGE = "libc";
  22 $progname = $0;
  23 if ($ENV{CC}) {
  24   $CC = $ENV{CC};
  25 } else {
  26   $CC= "gcc";
  27 }
  28
  29 sub usage {
  30   print "Usage: test-installation [soversions.mk]\n";
  31   print "  --help       print this help, then exit\n";
  32   print "  --version    print version number, then exit\n";
  33   exit 0;
  34 }
  35
  36 sub installation_problem {
  37   print "The script has found some problems with your installation!\n";
  38   print "Please read the FAQ and the README file and check the following:\n";
  39   print "- Did you change the gcc specs file (necessary after upgrading from\n";
  40   print "  Linux libc5)?\n";
  41   print "- Are there any symbolic links of the form libXXX.so to old libraries?\n";
  42   print "  Links like libm.so -> libm.so.5 (where libm.so.5 is an old library) are wrong,\n";
  43   print "  libm.so should point to the newly installed glibc file - and there should be\n";
  44   print "  only one such link (check e.g. /lib and /usr/lib)\n";
  45   print "You should restart this script from your build directory after you've\n";
  46   print "fixed all problems!\n";
  47   print "Btw. the script doesn't work if you're installing GNU libc not as your\n";
  48   print "primary library!\n";
  49   exit 1;
  50 }
  51
  52 arglist: while (@ARGV) {
  53   if ($ARGV[0] eq "--v" || $ARGV[0] eq "--ve" || $ARGV[0] eq "--ver" ||
  54       $ARGV[0] eq "--vers" || $ARGV[0] eq "--versi" ||
  55       $ARGV[0] eq "--versio" || $ARGV[0] eq "--version") {
  56     print "test-installation (GNU $PACKAGE)\n";
  57     print "Copyright (C) 1997, 1998 Free Software Foundation, Inc.\n";
  58     print "This is free software; see the source for copying conditions.  There is NO\n";
  59     print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n";
  60     print "Written by Andreas Jaeger <aj\@arthur.rhein-neckar.de>\n";
  61
  62     exit 0;
  63   } elsif ($ARGV[0] eq "--h" || $ARGV[0] eq "--he" || $ARGV[0] eq "--hel" ||
  64            $ARGV[0] eq "--help") {
  65     &usage;
  66   } elsif ($ARGV[0] =~ /^-/) {
  67     print "$progname: unrecognized option `$ARGV[0]'\n";
  68     print "Try `$progname --help' for more information.\n";
  69     exit 1;
  70   } else {
  71     last arglist;
  72   }
  73 }
  74
  75 # We expect none or one argument.
  76 if ($#ARGV == -1) {
  77     $soversions="soversions.mk";
  78 } elsif ($#ARGV == 0) {
  79     if (-d $ARGV[0]) {
  80       $soversions = "$ARGV[0]/soversions.mk";
  81     } else {
  82       $soversions = $ARGV[0];
  83     }
  84 } else {
  85     die "Wrong number of arguments.";
  86 }
  87
  88
  89 # Read names and versions of all shared libraries that are part of
  90 # glibc
  91 open SOVERSIONS, $soversions
  92   or die ("Couldn't open $soversions in build directory!");
  93
  94 $link_libs = "";
  95 %versions = ();
  96
  97 while (<SOVERSIONS>) {
  98   next if (/^all-sonames/);
  99   chop;
 100   if (/^lib/) {
 101     ($name, $version)= /^lib(.*)\.so-version=\.(.*)$/;
 102     # Filter out some libraries we don't want to link:
 103     # - nss_ldap since it's not yet available
 104     # - libdb1 since it conflicts with libdb
 105     # - libnss1_* from glibc-compat add-on
 106     # - libthread_db since it contains unresolved references
 107     # - it's just a test NSS module
 108     # - We don't provide the libgcc so we don't test it
 109     if ($name ne "nss_ldap" && $name ne "db1"
 110         && !($name =~/^nss1_/) && $name ne "thread_db"
 111         && $name ne "nss_test1" && $name ne "libgcc_s") {
 112       $link_libs .= " -l$name";
 113       $versions{$name} = $version;
 114     }
 115   } else {
 116     if (/^ld\.so/) {
 117       ($ld_so_name, $ld_so_version)= /=(.*)\.so\.(.*)$/;
 118     }
 119   }
 120 }
 121
 122 close SOVERSIONS;
 123
 124 # Create test program and link it against all
 125 # shared libraries
 126
 127 open PRG, ">/tmp/test-prg$$.c"
 128   or die ("Couldn't write test file /tmp/test-prg$$.c");
 129
 130 print PRG '
 131 #include <stdio.h>
 132 #include <stdlib.h>
 133 int main(void) {
 134   printf ("Your new glibc installation seems to be ok.\n");
 135   exit (0);
 136 }
 137 ';
 138 close PRG;
 139
 140 open GCC, "$CC /tmp/test-prg$$.c $link_libs -o /tmp/test-prg$$ 2>&1 |"
 141   or die ("Couldn't execute $CC!");
 142
 143 while (<GCC>) {
 144   print $_ if (! /warning/);
 145 }
 146 close GCC;
 147 if ($?) {
 148   print "Execution of $CC failed!\n";
 149   &installation_problem;
 150 }
 151
 152 # Test if test program is linked against the right versions of
 153 # shared libraries
 154
 155 $ok = 1;
 156 %found = ();
 157
 158 open LDD, "ldd /tmp/test-prg$$ |"
 159   or die ("Couldn't execute ldd");
 160 while (<LDD>) {
 161   if (/^\s*lib/) {
 162     ($name, $version1, $version2) =
 163       /^\s*lib(\w*)\.so\.([0-9\.]*)\s*=>.*\.so\.([0-9\.]*)/;
 164     $found{$name} = 1;
 165     if ($versions{$name} ne $version1 || $version1 ne $version2) {
 166       print "Library lib$name is not correctly installed.\n";
 167       print "Please check your installation!\n";
 168       print "Offending line of ldd output: $_\n";
 169       $ok = 0;
 170     }
 171   }
 172   if (/$ld_so_name/) {
 173     ($version1) = /$ld_so_name\.so\.([0-9\.]*)/;
 174     if ($version1 ne $ld_so_version) {
 175       print "The dynamic linker $ld_so_name.so is not correctly installed.\n";
 176       print "Please check your installation!\n";
 177       print "Offending line of ldd output: $_\n";
 178       $ok = 0;
 179     }
 180   }
 181 }
 182
 183 close LDD;
 184 die "ldd execution failed" if $?;
 185
 186 foreach (keys %versions) {
 187   unless ($found{$_}) {
 188     print "Library lib$_ is not correctly installed since the test program\n";
 189     print "was not linked dynamically against it.\n";
 190     print "Do you have a file/link lib$_.so?\n";
 191     $ok = 0;
 192   }
 193 }
 194
 195 &installation_problem unless $ok;
 196
 197 # Finally execute the test program
 198 system ("/tmp/test-prg$$") == 0
 199   or die ("Execution of test program failed");
 200
 201 # Clean up after ourselves
 202 unlink ("/tmp/test-prg$$", "/tmp/test-prg$$.c");