#!/usr/bin/perl -w # Copyright (C) 1997-2023 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # The GNU C Library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # You should have received a copy of the GNU Lesser General Public # License along with the GNU C Library; if not, see # . $PACKAGE = "libc"; $progname = $0; if ($ENV{CC}) { $CC = $ENV{CC}; } else { $CC= "gcc"; } if ($ENV{LD_SO}) { $LD_SO = $ENV{LD_SO}; } else { $LD_SO = ""; } sub usage { print "Usage: test-installation [soversions.mk]\n"; print " --help print this help, then exit\n"; print " --version print version number, then exit\n"; exit 0; } sub installation_problem { print "The script has found some problems with your installation!\n"; print "Please read the FAQ and the README file and check the following:\n"; print "- Did you change the gcc specs file (necessary after upgrading from\n"; print " Linux libc5)?\n"; print "- Are there any symbolic links of the form libXXX.so to old libraries?\n"; print " Links like libm.so -> libm.so.5 (where libm.so.5 is an old library) are wrong,\n"; print " libm.so should point to the newly installed glibc file - and there should be\n"; print " only one such link (check e.g. /lib and /usr/lib)\n"; print "You should restart this script from your build directory after you've\n"; print "fixed all problems!\n"; print "Btw. the script doesn't work if you're installing GNU libc not as your\n"; print "primary library!\n"; exit 1; } arglist: while (@ARGV) { if ($ARGV[0] eq "--v" || $ARGV[0] eq "--ve" || $ARGV[0] eq "--ver" || $ARGV[0] eq "--vers" || $ARGV[0] eq "--versi" || $ARGV[0] eq "--versio" || $ARGV[0] eq "--version") { print "test-installation (GNU $PACKAGE)\n"; print "Copyright (C) 2022 Free Software Foundation, Inc.\n"; print "This is free software; see the source for copying conditions. There is NO\n"; print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"; print "Written by Andreas Jaeger \n"; exit 0; } elsif ($ARGV[0] eq "--h" || $ARGV[0] eq "--he" || $ARGV[0] eq "--hel" || $ARGV[0] eq "--help") { &usage; } elsif ($ARGV[0] =~ /^-/) { print "$progname: unrecognized option `$ARGV[0]'\n"; print "Try `$progname --help' for more information.\n"; exit 1; } else { last arglist; } } # We expect none or one argument. if ($#ARGV == -1) { $dir = "."; $soversions="soversions.mk"; $config="config.make"; } elsif ($#ARGV == 0) { if (-d $ARGV[0]) { $dir = $ARGV[0]; $soversions = "$ARGV[0]/soversions.mk"; $config = "$ARGV[0]/config.make"; } else { $soversions = $dir = $ARGV[0]; $dir =~ s!/?[^/]*/*$!!; $config = $dir . "/config.make"; } } else { die "Wrong number of arguments."; } if (system ("grep -q \"build-mathvec = yes\" $config") == 0) { $build_mathvec = 1; } else { $build_mathvec = 0; } # Read names and versions of all shared libraries that are part of # glibc open SOVERSIONS, $soversions or die ("Couldn't open $soversions in build directory!"); $link_libs = ""; %versions = (); while () { next if (/^all-sonames/); chop; if (/^lib/) { ($name, $version)= /^lib(.*)\.so-version=\.(.*)$/; # Filter out some libraries we don't want to link: # - nss_ldap since it's not yet available # - libdb1 since it conflicts with libdb # - libthread_db since it contains unresolved references # - it's just a test NSS module # - We don't provide the libgcc so we don't test it # - libmvec if it wasn't built next if ($build_mathvec == 0 && $name eq "mvec"); if ($name ne "nss_ldap" && $name ne "db1" && $name ne "thread_db" && $name ne "nss_test1" && $name ne "libgcc_s") { $link_libs .= " -l$name"; $versions{$name} = $version; } } elsif ($LD_SO ne "") { ($ld_so_name, $ld_so_version) = split ('\.so\.', $LD_SO); } else { if (/^ld\.so/) { ($ld_so_name, $ld_so_version)= /=(.*)\.so\.(.*)$/; } } } close SOVERSIONS; # Create test program and link it against all # shared libraries open PRG, ">$dir/test-prg$$.c" or die ("Couldn't write test file $dir/test-prg$$.c"); print PRG ' #include #include int main(void) { printf ("Your new glibc installation seems to be ok.\n"); exit (0); } '; close PRG; open GCC, "$CC $dir/test-prg$$.c $link_libs -o $dir/test-prg$$ 2>&1 |" or die ("Couldn't execute $CC!"); while () { print $_ if (! /warning/); } close GCC; if ($?) { print "Execution of $CC failed!\n"; &installation_problem; } # Test if test program is linked against the right versions of # shared libraries $ok = 1; %found = (); open LDD, "ldd $dir/test-prg$$ |" or die ("Couldn't execute ldd"); while () { if (/^\s*lib/) { ($name, $version1, $version2) = /^\s*lib(\w*)\.so\.([0-9\.]*)\s*=>.*\.so\.([0-9\.]*)/; $found{$name} = 1; if ($versions{$name} ne $version1 || $version1 ne $version2) { print "Library lib$name is not correctly installed.\n"; print "Please check your installation!\n"; print "Offending line of ldd output: $_\n"; $ok = 0; } } if (/$ld_so_name/) { ($version1) = /$ld_so_name\.so\.([0-9\.]*)/; if ($version1 ne $ld_so_version) { print "The dynamic linker $ld_so_name.so is not correctly installed.\n"; print "Please check your installation!\n"; print "Offending line of ldd output: $_\n"; $ok = 0; } } } close LDD; die "ldd execution failed" if $?; foreach (keys %versions) { unless ($found{$_}) { print "Library lib$_ is not correctly installed since the test program\n"; print "was not linked dynamically against it.\n"; print "Do you have a file/link lib$_.so?\n"; $ok = 0; } } &installation_problem unless $ok; # Finally execute the test program system ("$dir/test-prg$$") == 0 or die ("Execution of test program failed"); # Clean up after ourselves unlink ("$dir/test-prg$$", "$dir/test-prg$$.c");