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path: root/tests/run_make_tests.pl
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#!/usr/bin/env perl
# -*-perl-*-

# Test driver for the Make test suite

# Usage:  run_make_tests  [testname]
#                         [-debug]
#                         [-help]
#                         [-verbose]
#                         [-keep]
#                         [-make <make prog>]
#                        (and others)

# Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
# 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
# This file is part of GNU Make.
#
# GNU Make is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2, or (at your option) any later version.
#
# GNU Make 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Make; see the file COPYING.  If not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

$valgrind = 0;              # invoke make with valgrind
$valgrind_args = '--num-callers=15 --tool=memcheck --leak-check=full';
$pure_log = undef;

require "test_driver.pl";

# Some target systems might not have the POSIX module...
$has_POSIX = eval { require "POSIX.pm" };

#$SIG{INT} = sub { print STDERR "Caught a signal!\n"; die @_; };

sub valid_option
{
   local($option) = @_;

   if ($option =~ /^-make([-_]?path)?$/)
   {
      $make_path = shift @argv;
      if (!-f $make_path)
      {
	 print "$option $make_path: Not found.\n";
	 exit 0;
      }
      return 1;
   }

   if ($option =~ /^-valgrind$/i) {
     $valgrind = 1;
     return 1;
   }

# This doesn't work--it _should_!  Someone badly needs to fix this.
#
#   elsif ($option =~ /^-work([-_]?dir)?$/)
#   {
#      $workdir = shift @argv;
#      return 1;
#   }

   return 0;
}


# This is an "all-in-one" function.  Arguments are as follows:
#
#  [0] (string):  The makefile to be tested.  undef means use the last one.
#  [1] (string):  Arguments to pass to make.
#  [2] (string):  Answer we should get back.
#  [3] (integer): Exit code we expect.  A missing code means 0 (success)

$old_makefile = undef;

sub run_make_test
{
  local ($makestring, $options, $answer, $err_code) = @_;

  # If the user specified a makefile string, create a new makefile to contain
  # it.  If the first value is not defined, use the last one (if there is
  # one).

  if (! defined $makestring) {
    defined $old_makefile
      || die "run_make_test(undef) invoked before run_make_test('...')\n";
    $makefile = $old_makefile;
  } else {
    if (! defined($makefile)) {
      $makefile = &get_tmpfile();
    }

    # Make sure it ends in a newline.
    $makestring && $makestring !~ /\n$/s and $makestring .= "\n";

    # Replace @MAKEFILE@ with the makefile name and @MAKE@ with the path to
    # make
    $makestring =~ s/#MAKEFILE#/$makefile/g;
    $makestring =~ s/#MAKEPATH#/$mkpath/g;
    $makestring =~ s/#MAKE#/$make_name/g;
    $makestring =~ s/#PWD#/$pwd/g;

    # Populate the makefile!
    open(MAKEFILE, "> $makefile") || die "Failed to open $makefile: $!\n";
    print MAKEFILE $makestring;
    close(MAKEFILE) || die "Failed to write $makefile: $!\n";
  }

  # Do the same processing on $answer as we did on $makestring.

  $answer && $answer !~ /\n$/s and $answer .= "\n";
  $answer =~ s/#MAKEFILE#/$makefile/g;
  $answer =~ s/#MAKEPATH#/$mkpath/g;
  $answer =~ s/#MAKE#/$make_name/g;
  $answer =~ s/#PWD#/$pwd/g;

  &run_make_with_options($makefile, $options, &get_logfile(0), $err_code);
  &compare_output($answer, &get_logfile(1));

  $old_makefile = $makefile;
  $makefile = undef;
}

# The old-fashioned way...
sub run_make_with_options {
  local ($filename,$options,$logname,$expected_code) = @_;
  local($code);
  local($command) = $make_path;

  $expected_code = 0 unless defined($expected_code);

  # Reset to reflect this one test.
  $test_passed = 1;

  if ($filename) {
    $command .= " -f $filename";
  }

  if ($options) {
    $command .= " $options";
  }

  if ($valgrind) {
    print VALGRIND "\n\nExecuting: $command\n";
  }

  $code = &run_command_with_output($logname,$command);

  # Check to see if we have Purify errors.  If so, keep the logfile.
  # For this to work you need to build with the Purify flag -exit-status=yes

  if ($pure_log && -f $pure_log) {
    if ($code & 0x7000) {
      $code &= ~0x7000;

      # If we have a purify log, save it
      $tn = $pure_testname . ($num_of_logfiles ? ".$num_of_logfiles" : "");
      print("Renaming purify log file to $tn\n") if $debug;
      rename($pure_log, "$tn")
        || die "Can't rename $log to $tn: $!\n";
      ++$purify_errors;
    } else {
      unlink($pure_log);
    }
  }

  if ($code != $expected_code) {
    print "Error running $make_path (expected $expected_code; got $code): $command\n";
    $test_passed = 0;
    # If it's a SIGINT, stop here
    if ($code & 127) {
      print STDERR "\nCaught signal ".($code & 127)."!\n";
      exit($code);
    }
    return 0;
  }

  if ($profile & $vos) {
    system "add_profile $make_path";
  }

  1;
}

sub print_usage
{
   &print_standard_usage ("run_make_tests", "[-make_path make_pathname]");
}

sub print_help
{
   &print_standard_help ("-make_path",
          "\tYou may specify the pathname of the copy of make to run.");
}

sub get_this_pwd {
  $delete_command = 'rm -f';
  if ($has_POSIX) {
    $__pwd = POSIX::getcwd();
  } elsif ($vos) {
    $delete_command = "delete_file -no_ask";
    $__pwd = `++(current_dir)`;
  } else {
    # No idea... just try using pwd as a last resort.
    chop ($__pwd = `pwd`);
  }

  return $__pwd;
}

sub set_defaults
{
   # $profile = 1;
   $testee = "GNU make";
   $make_path = "make";
   $tmpfilesuffix = "mk";
   $pwd = &get_this_pwd;
}

sub set_more_defaults
{
   local($string);
   local($index);

   # Make sure we're in the C locale for those systems that support it,
   # so sorting, etc. is predictable.
   #
   $ENV{LANG} = 'C';

   # find the type of the port.  We do this up front to have a single
   # point of change if it needs to be tweaked.
   #
   # This is probably not specific enough.
   #
   if ($osname =~ /Windows/i || $osname =~ /MINGW32/i) {
     $port_type = 'W32';
   }
   # Bleah, the osname is so variable on DOS.  This kind of bites.
   # Well, as far as I can tell if we check for some text at the
   # beginning of the line with either no spaces or a single space, then
   # a D, then either "OS", "os", or "ev" and a space.  That should
   # match and be pretty specific.
   elsif ($osname =~ /^([^ ]*|[^ ]* [^ ]*)D(OS|os|ev) /) {
     $port_type = 'DOS';
   }
   # Check for OS/2
   elsif ($osname =~ m%OS/2%) {
     $port_type = 'OS/2';
   }
   # Everything else, right now, is UNIX.  Note that we should integrate
   # the VOS support into this as well and get rid of $vos; we'll do
   # that next time.
   else {
     $port_type = 'UNIX';
   }

   # On DOS/Windows system the filesystem apparently can't track
   # timestamps with second granularity (!!).  Change the sleep time
   # needed to force a file to be considered "old".
   $wtime = $port_type eq 'UNIX' ? 1 : $port_type eq 'OS/2' ? 2 : 4;

   print "Port type: $port_type\n" if $debug;
   print "Make path: $make_path\n" if $debug;

   # Find the full pathname of Make.  For DOS systems this is more
   # complicated, so we ask make itself.
   my $mk = `sh -c 'echo "all:;\@echo \\\$(MAKE)" | $make_path -f-'`;
   chop $mk;
   $mk or die "FATAL ERROR: Cannot determine the value of \$(MAKE):\n
'echo \"all:;\@echo \\\$(MAKE)\" | $make_path -f-' failed!\n";
   $make_path = $mk;
   print "Make\t= `$make_path'\n" if $debug;

   $string = `$make_path -v -f /dev/null 2> /dev/null`;

   $string =~ /^(GNU Make [^,\n]*)/;
   $testee_version = "$1\n";

   $string = `sh -c "$make_path -f /dev/null 2>&1"`;
   if ($string =~ /(.*): \*\*\* No targets\.  Stop\./) {
     $make_name = $1;
   }
   else {
     if ($make_path =~ /$pathsep([^\n$pathsep]*)$/) {
       $make_name = $1;
     }
     else {
       $make_name = $make_path;
     }
   }

   # prepend pwd if this is a relative path (ie, does not
   # start with a slash, but contains one).  Thanks for the
   # clue, Roland.

   if (index ($make_path, ":") != 1 && index ($make_path, "/") > 0)
   {
      $mkpath = "$pwd$pathsep$make_path";
   }
   else
   {
      $mkpath = $make_path;
   }

   # Get Purify log info--if any.

   if (exists $ENV{PURIFYOPTIONS}
       && $ENV{PURIFYOPTIONS} =~ /.*-logfile=([^ ]+)/) {
     $pure_log = $1 || '';
     $pure_log =~ s/%v/$make_name/;
     $purify_errors = 0;
   }

   $string = `sh -c "$make_path -j 2 -f /dev/null 2>&1"`;
   if ($string =~ /not supported/) {
     $parallel_jobs = 0;
   }
   else {
     $parallel_jobs = 1;
   }

   # Set up for valgrind, if requested.

   if ($valgrind) {
     open(VALGRIND, "> valgrind.out")
       || die "Cannot open valgrind.out: $!\n";
     #  -q --leak-check=yes
     exists $ENV{VALGRIND_ARGS} and $valgrind_args = $ENV{VALGRIND_ARGS};
     $make_path = "valgrind --log-fd=".fileno(VALGRIND)." $valgrind_args $make_path";
     # F_SETFD is 2
     fcntl(VALGRIND, 2, 0) or die "fcntl(setfd) failed: $!\n";
     system("echo Starting on `date` 1>&".fileno(VALGRIND));
     print "Enabled valgrind support.\n";
   }
}

sub setup_for_test
{
  $makefile = &get_tmpfile;
  if (-f $makefile) {
    unlink $makefile;
  }

  # Get rid of any Purify logs.
  if ($pure_log) {
    ($pure_testname = $testname) =~ tr,/,_,;
    $pure_testname = "$pure_log.$pure_testname";
    system("rm -f $pure_testname*");
    print("Purify testfiles are: $pure_testname*\n") if $debug;
  }
}

exit !&toplevel;