test-installation.pl

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