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#!/usr/bin/perl -w
# Copyright (C) 1997-2021 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
# <https://www.gnu.org/licenses/>.
$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 $PACKAGE)\n";
print "Copyright (C) 2021 Free Software Foundation, Inc.\n";
print "This is free software; see the source for copying conditions. There is NO\n";
print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n";
print "Written by Andreas Jaeger <aj\@arthur.rhein-neckar.de>\n";
exit 0;
} elsif ($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!");
$link_libs = "";
%versions = ();
while (<SOVERSIONS>) {
next if (/^all-sonames/);
chop;
if (/^lib/) {
($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 <stdio.h>
#include <stdlib.h>
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 (<GCC>) {
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$$ |"
or die ("Couldn't execute ldd");
while (<LDD>) {
if (/^\s*lib/) {
($name, $version1, $version2) =
/^\s*lib(\w*)\.so\.([0-9\.]*)\s*=>.*\.so\.([0-9\.]*)/;
$found{$name} = 1;
if ($versions{$name} ne $version1 || $version1 ne $version2) {
print "Library lib$name is not correctly installed.\n";
print "Please check your installation!\n";
print "Offending line of ldd output: $_\n";
$ok = 0;
}
}
if (/$ld_so_name/) {
($version1) = /$ld_so_name\.so\.([0-9\.]*)/;
if ($version1 ne $ld_so_version) {
print "The dynamic linker $ld_so_name.so is not correctly installed.\n";
print "Please check your installation!\n";
print "Offending line of ldd output: $_\n";
$ok = 0;
}
}
}
close LDD;
die "ldd execution failed" if $?;
foreach (keys %versions) {
unless ($found{$_}) {
print "Library lib$_ is not correctly installed since the test program\n";
print "was not linked dynamically against it.\n";
print "Do you have a file/link lib$_.so?\n";
$ok = 0;
}
}
&installation_problem unless $ok;
# Finally execute the test program
system ("$dir/test-prg$$") == 0
or die ("Execution of test program failed");
# Clean up after ourselves
unlink ("$dir/test-prg$$", "$dir/test-prg$$.c");
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