[p5sagit/p5-mst-13.2.git] / vms / genconfig.pl

#!/usr/bin/perl
# Habit . . .
#
# Extract info from Config.VMS, and add extra data here, to generate Config.sh
# Edit the static information after __END__ to reflect your site and options
# that went into your perl binary.  In addition, values which change from run
# to run may be supplied on the command line as key=val pairs.
#
# Rev. 13-Dec-1995  Charles Bailey  bailey@genetics.upenn.edu
#

unshift(@INC,'lib');  # In case someone didn't define Perl_Root
                      # before the build

if (-f "config.vms") { $infile = "config.vms"; $outdir = "[-]"; }
elsif (-f "[.vms]config.vms") { $infile = "[.vms]config.vms"; $outdir = "[]"; }
elsif (-f "config.h") { $infile = "config.h"; $outdir = "[]";}

if ($infile) { print "Generating Config.sh from $infile . . .\n"; }
else { die <<EndOfGasp;
Can't find config.vms or config.h to read!
	Please run this script from the perl source directory or
	the VMS subdirectory in the distribution.
EndOfGasp
}
$outdir = '';
open(IN,"$infile") || die "Can't open $infile: $!\n";
open(OUT,">${outdir}Config.sh") || die "Can't open ${outdir}Config.sh: $!\n";

$time = localtime;
print OUT <<EndOfIntro;
# This file generated by GenConfig.pl on a VMS system.
# Input obtained from:
#     $infile
#     $0
# Time: $time

package='perl5'
CONFIG='true'
cf_time='$time'
osname='VMS'
ld='Link'
lddlflags='/Share'
ranlib=''
ar=''
eunicefix=':'
hint='none'
hintfile=''
intsize='4'
alignbytes='8'
shrplib='define'
usemymalloc='n'
spitshell='write sys\$output '
EndOfIntro

$cf_by = (getpwuid($<))[0];
print OUT "cf_by='$cf_by'\n";

$hw_model = `Write Sys\$Output F\$GetSyi("HW_MODEL")`;
chomp $hw_model;
if ($hw_model > 1024) {
  print OUT "arch='VMS_AXP'\n";
  print OUT "archname='VMS_AXP'\n";
  $archsufx = "AXP";
}
else {
  print OUT "arch='VMS_VAX'\n";
  print OUT "archname='VMS_VAX'\n";
  $archsufx = 'VAX';
}
$osvers = `Write Sys\$Output F\$GetSyi("VERSION")`;
$osvers =~ s/^V?(\S+)\s*\n?$/$1/;
print OUT "osvers='$osvers'\n";
foreach (@ARGV) {
  ($key,$val) = split('=',$_,2);
  if ($key eq 'cc') {  # Figure out which C compiler we're using
    my($cc,$ccflags) = split('/',$val,2);
    my($d_attr);
    $ccflags = "/$ccflags";
    if ($ccflags =~s!/DECC!!ig) { 
      $cc .= '/DECC';
      $cctype = 'decc';
      $d_attr = 'undef';
    }
    elsif ($ccflags =~s!/VAXC!!ig) {
      $cc .= '/VAXC';
      $cctype = 'vaxc';
      $d_attr = 'undef';
    }
    elsif (`$val/NoObject/NoList _nla0:/Version` =~ /GNU/) {
      $cctype = 'gcc';
      $d_attr = 'define';
    }
    elsif ($archsufx eq 'VAX' &&
           `$val/NoObject/NoList /prefix=all _nla0:` =~ /IVQUAL/) {
      $cctype = 'vaxc';
      $d_attr = 'undef';
    }
    else {
      $cctype = 'decc';
      $d_attr = 'undef';
    }
    print OUT "vms_cc_type='$cctype'\n";
    print OUT "d_attribut='$d_attr'\n";
    print OUT "cc='$cc'\n";
    if ( ($cctype eq 'decc' and $archsufx eq 'VAX') || $cctype eq 'gcc') {
      # gcc and DECC for VAX requires filename in /object qualifier, so we
      # have to remove it here.  Alas, this means we lose the user's
      # object file suffix if it's not .obj.
      $ccflags =~ s#/obj(?:ect)?=[^/\s]+##i;
    }
    print OUT "ccflags='$ccflags'\n";
    $dosock = ($ccflags =~ m!/DEF[^/]+VMS_DO_SOCKETS!i and
               $ccflags !~ m!/UND[^/]+VMS_DO_SOCKETS!i);
    next;
  }
  print OUT "$key=\'$val\'\n";
}

# Are there any other logicals which TCP/IP stacks use for the host name?
$myname = $ENV{'ARPANET_HOST_NAME'}  || $ENV{'INTERNET_HOST_NAME'} ||
          $ENV{'MULTINET_HOST_NAME'} || $ENV{'UCX$INET_HOST'}      ||
          $ENV{'TCPWARE_DOMAINNAME'} || $ENV{'NEWS_ADDRESS'};
if (!$myname) {
  ($myname) = `hostname` =~ /^(\S+)/;
  if ($myname =~ /IVVERB/) {
    warn "Can't determine TCP/IP hostname" if $dosock;
    $myname = '';
  }
}
$myname = $ENV{'SYS$NODE'} unless $myname;
($myhostname,$mydomain) = split(/\./,$myname,2);
print OUT "myhostname='$myhostname'\n" if $myhostname;
if ($mydomain) {
  print OUT "mydomain='.$mydomain'\n";
  print OUT "perladmin='$cf_by\@$myhostname.$mydomain'\n";
  print OUT "cf_email='$cf_by\@$myhostname.$mydomain'\n";
}
else {
  print OUT "perladmin='$cf_by'\n";
  print OUT "cf_email='$cf_by'\n";
}
chomp($hwname = `Write Sys\$Output F\$GetSyi("HW_NAME")`);
$hwname = $archsufx if $hwname =~ /IVKEYW/;  # *really* old VMS version
print OUT "myuname='VMS $myname $osvers $hwname'\n";

while (<IN>) {  # roll through the comment header in Config.VMS
  last if /config-start/;
}

while (<IN>) {
  chop;
  while (/\\\s*$/) {  # pick up contination lines
    my $line = $_;
    $line =~ s/\\\s*$//;
    $_ = <IN>;
    s/^\s*//;
    $_ = $line . $_;
  }              
  next unless my ($blocked,$un,$token,$val) = m%^(\/\*)?\s*\#\s*(un)?def\w*\s*([A-za-z0-9]\w+)\S*\s*(.*)%;
  next if /config-skip/;
  $state = ($blocked || $un) ? 'undef' : 'define';
  $token =~ tr/A-Z/a-z/;
  $token =~ s/_exp$/exp/;  # Config.pm has 'privlibexp' etc. where config.h
                           # has 'privlib_exp' etc.
  # Fixup differences between Configure vars and config.h manifests
  # This isn't comprehensize; we fix 'em as we need 'em.
  $token = 'castneg'   if $token eq 'castnegfloat';
  $token = 'dlsymun'   if $token eq 'dlsym_needs_underscore';
  $token = 'stdstdio'  if $token eq 'use_stdio_ptr';
  $token = 'stdiobase'  if $token eq 'use_stdio_base';
  $val =~ s%/\*.*\*/\s*%%g;  $val =~ s/\s*$//;  # strip off trailing comment
  $val =~ s/^"//; $val =~ s/"$//;               # remove end quotes
  $val =~ s/","/ /g;                            # make signal list look nice
  if ($val) { print OUT "$token=\'$val\'\n"; }
  else {
    $token = "d_$token" unless $token =~ /^i_/;
    print OUT "$token='$state'\n";
  }
}
close IN;

while (<DATA>) {
  next if /^\s*#/ or /^\s*$/;
  s/#.*$//;  s/\s*$//;
  ($key,$val) = split('=',$_,2);
  print OUT "$key='$val'\n";
  eval "\$$key = '$val'";
}
# Add in some of the architecture-dependent stuff which has to be consistent
print OUT "d_vms_do_sockets=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_has_sockets=",$dosock ? "'define'\n" : "'undef'\n";
$archlib = &VMS::Filespec::vmspath($privlib);
$archlib =~ s#\]#.VMS_$archsufx\]#;
$installarchlib = &VMS::Filespec::vmspath($installprivlib);
$installarchlib =~ s#\]#.VMS_$archsufx\]#;
print OUT "archlib='$archlib'\n";
print OUT "archlibexp='$archlib'\n";
print OUT "installarchlib='$installarchlib'\n";

if (open(OPT,"${outdir}crtl.opt")) {
  while (<OPT>) {
    next unless m#/(sha|lib)#i;
    chomp;
    if (/crtl/i || /gcclib/i) { push(@crtls,$_); }
    else                      { push(@libs,$_);  }
  }
  close OPT;
  print OUT "libs='",join(' ',@libs),"'\n";
  push(@crtls,'(DECCRTL)') if $cctype eq 'decc';
  print OUT "libc='",join(' ',@crtls),"'\n";
}
else { warn "Can't read ${outdir}crtl.opt - skipping 'libs' & 'libc'"; }

if (open(PL,"${outdir}patchlevel.h")) {
  while (<PL>) {
    next unless /PATCHLEVEL\s+(\S+)/;
    print OUT "PATCHLEVEL='$1'\n";
    last;
  }
  close PL;
}
else { warn "Can't read ${outdir}patchlevel.h - skipping 'PATCHLEVEL'"; }

# simple pager support for perldoc
if    (`most nl:` =~ /IVVERB/) {
  $pager = 'more';
  if (`more nl:` =~ /IVVERB/) { $pager = 'type/page'; }
}
else { $pager = 'most'; }
print OUT "pager='$pager'\n";

close OUT;
__END__

# This list is incomplete in comparison to what ends up in config.sh, but
# should contain the essentials.  Some of these definitions reflect
# options chosen when building perl or site-specific data; these should
# be hand-edited appropriately.  Someday, perhaps, we'll get this automated.

# The definitions in this block are constant across most systems, and
# should only rarely need to be changed.
ccdlflags=
cccdlflags=
usedl=true
dlobj=dl_vms.obj
dlsrc=dl_vms.c
so=exe
dlext=exe
libpth=/sys$share /sys$library
usevfork=false
castflags=0
signal_t=void
timetype=long
builddir=perl_root:[000000]
prefix=perl_root
installprivlib=perl_root:[lib]
privlib=perl_root:[lib]
installbin=perl_root:[000000]
installman1dir=perl_root:[man.man1]
installman3dir=perl_root:[man.man3]
man1ext=rno
man3ext=rno
binexp=perl_root:[000000]  # should be same as installbin
useposix=false
Commit	Line	Data
a0d0e21e	1	#!/usr/bin/perl
	2	# Habit . . .
	3	#
	4	# Extract info from Config.VMS, and add extra data here, to generate Config.sh
	5	# Edit the static information after __END__ to reflect your site and options
748a9306	6	# that went into your perl binary. In addition, values which change from run
748a9306	7	# to run may be supplied on the command line as key=val pairs.
a0d0e21e	8	#
e518068a	9	# Rev. 13-Dec-1995 Charles Bailey bailey@genetics.upenn.edu
a0d0e21e	10	#
	11
	12	unshift(@INC,'lib'); # In case someone didn't define Perl_Root
	13	# before the build
a0d0e21e	14
	15	if (-f "config.vms") { $infile = "config.vms"; $outdir = "[-]"; }
	16	elsif (-f "[.vms]config.vms") { $infile = "[.vms]config.vms"; $outdir = "[]"; }
	17	elsif (-f "config.h") { $infile = "config.h"; $outdir = "[]";}
	18
	19	if ($infile) { print "Generating Config.sh from $infile . . .\n"; }
	20	else { die <<EndOfGasp;
	21	Can't find config.vms or config.h to read!
	22	Please run this script from the perl source directory or
	23	the VMS subdirectory in the distribution.
	24	EndOfGasp
	25	}
	26	$outdir = '';
	27	open(IN,"$infile") \|\| die "Can't open $infile: $!\n";
	28	open(OUT,">${outdir}Config.sh") \|\| die "Can't open ${outdir}Config.sh: $!\n";
a0d0e21e	29
e518068a	30	$time = localtime;
748a9306	31	print OUT <<EndOfIntro;
a0d0e21e	32	# This file generated by GenConfig.pl on a VMS system.
	33	# Input obtained from:
	34	# $infile
	35	# $0
	36	# Time: $time
	37
e518068a	38	package='perl5'
	39	CONFIG='true'
	40	cf_time='$time'
	41	osname='VMS'
	42	ld='Link'
	43	lddlflags='/Share'
e518068a	44	ranlib=''
	45	ar=''
	46	eunicefix=':'
c07a80fd	47	hint='none'
e518068a	48	hintfile=''
	49	intsize='4'
	50	alignbytes='8'
	51	shrplib='define'
	52	usemymalloc='n'
c07a80fd	53	spitshell='write sys\$output '
a0d0e21e	54	EndOfIntro
a0d0e21e	55
e518068a	56	$cf_by = (getpwuid($<))[0];
c07a80fd	57	print OUT "cf_by='$cf_by'\n";
e518068a	58
	59	$hw_model = `Write Sys\$Output F\$GetSyi("HW_MODEL")`;
	60	chomp $hw_model;
	61	if ($hw_model > 1024) {
	62	print OUT "arch='VMS_AXP'\n";
	63	print OUT "archname='VMS_AXP'\n";
	64	$archsufx = "AXP";
	65	}
	66	else {
	67	print OUT "arch='VMS_VAX'\n";
	68	print OUT "archname='VMS_VAX'\n";
	69	$archsufx = 'VAX';
	70	}
	71	$osvers = `Write Sys\$Output F\$GetSyi("VERSION")`;
c07a80fd	72	$osvers =~ s/^V?(\S+)\s*\n?$/$1/;
e518068a	73	print OUT "osvers='$osvers'\n";
748a9306	74	foreach (@ARGV) {
748a9306	75	($key,$val) = split('=',$_,2);
e518068a	76	if ($key eq 'cc') { # Figure out which C compiler we're using
c07a80fd	77	my($cc,$ccflags) = split('/',$val,2);
	78	my($d_attr);
	79	$ccflags = "/$ccflags";
	80	if ($ccflags =~s!/DECC!!ig) {
	81	$cc .= '/DECC';
	82	$cctype = 'decc';
	83	$d_attr = 'undef';
	84	}
	85	elsif ($ccflags =~s!/VAXC!!ig) {
	86	$cc .= '/VAXC';
	87	$cctype = 'vaxc';
	88	$d_attr = 'undef';
	89	}
	90	elsif (`$val/NoObject/NoList _nla0:/Version` =~ /GNU/) {
	91	$cctype = 'gcc';
	92	$d_attr = 'define';
e518068a	93	}
	94	elsif ($archsufx eq 'VAX' &&
	95	`$val/NoObject/NoList /prefix=all _nla0:` =~ /IVQUAL/) {
c07a80fd	96	$cctype = 'vaxc';
c07a80fd	97	$d_attr = 'undef';
e518068a	98	}
e518068a	99	else {
c07a80fd	100	$cctype = 'decc';
	101	$d_attr = 'undef';
	102	}
	103	print OUT "vms_cc_type='$cctype'\n";
	104	print OUT "d_attribut='$d_attr'\n";
	105	print OUT "cc='$cc'\n";
	106	if ( ($cctype eq 'decc' and $archsufx eq 'VAX') \|\| $cctype eq 'gcc') {
	107	# gcc and DECC for VAX requires filename in /object qualifier, so we
e518068a	108	# have to remove it here. Alas, this means we lose the user's
e518068a	109	# object file suffix if it's not .obj.
c07a80fd	110	$ccflags =~ s#/obj(?:ect)?=[^/\s]+##i;
e518068a	111	}
c07a80fd	112	print OUT "ccflags='$ccflags'\n";
	113	$dosock = ($ccflags =~ m!/DEF[^/]+VMS_DO_SOCKETS!i and
	114	$ccflags !~ m!/UND[^/]+VMS_DO_SOCKETS!i);
	115	next;
e518068a	116	}
748a9306	117	print OUT "$key=\'$val\'\n";
c07a80fd	118	}
	119
	120	# Are there any other logicals which TCP/IP stacks use for the host name?
	121	$myname = $ENV{'ARPANET_HOST_NAME'} \|\| $ENV{'INTERNET_HOST_NAME'} \|\|
	122	$ENV{'MULTINET_HOST_NAME'} \|\| $ENV{'UCX$INET_HOST'} \|\|
	123	$ENV{'TCPWARE_DOMAINNAME'} \|\| $ENV{'NEWS_ADDRESS'};
	124	if (!$myname) {
	125	($myname) = `hostname` =~ /^(\S+)/;
	126	if ($myname =~ /IVVERB/) {
	127	warn "Can't determine TCP/IP hostname" if $dosock;
	128	$myname = '';
e518068a	129	}
748a9306	130	}
c07a80fd	131	$myname = $ENV{'SYS$NODE'} unless $myname;
	132	($myhostname,$mydomain) = split(/\./,$myname,2);
	133	print OUT "myhostname='$myhostname'\n" if $myhostname;
	134	if ($mydomain) {
	135	print OUT "mydomain='.$mydomain'\n";
	136	print OUT "perladmin='$cf_by\@$myhostname.$mydomain'\n";
	137	print OUT "cf_email='$cf_by\@$myhostname.$mydomain'\n";
	138	}
	139	else {
	140	print OUT "perladmin='$cf_by'\n";
	141	print OUT "cf_email='$cf_by'\n";
	142	}
	143	chomp($hwname = `Write Sys\$Output F\$GetSyi("HW_NAME")`);
	144	$hwname = $archsufx if $hwname =~ /IVKEYW/; # really old VMS version
	145	print OUT "myuname='VMS $myname $osvers $hwname'\n";
748a9306	146
a0d0e21e	147	while (<IN>) { # roll through the comment header in Config.VMS
e518068a	148	last if /config-start/;
a0d0e21e	149	}
	150
	151	while (<IN>) {
	152	chop;
	153	while (/\\\s*$/) { # pick up contination lines
	154	my $line = $_;
	155	$line =~ s/\\\s*$//;
	156	$_ = <IN>;
	157	s/^\s*//;
	158	$_ = $line . $_;
	159	}
c07a80fd	160	next unless my ($blocked,$un,$token,$val) = m%^(\/\)?\s\#\s(un)?def\w\s([A-za-z0-9]\w+)\S\s(.)%;
a0d0e21e	161	next if /config-skip/;
	162	$state = ($blocked \|\| $un) ? 'undef' : 'define';
	163	$token =~ tr/A-Z/a-z/;
e518068a	164	$token =~ s/_exp$/exp/; # Config.pm has 'privlibexp' etc. where config.h
e518068a	165	# has 'privlib_exp' etc.
c07a80fd	166	# Fixup differences between Configure vars and config.h manifests
	167	# This isn't comprehensize; we fix 'em as we need 'em.
	168	$token = 'castneg' if $token eq 'castnegfloat';
	169	$token = 'dlsymun' if $token eq 'dlsym_needs_underscore';
	170	$token = 'stdstdio' if $token eq 'use_stdio_ptr';
	171	$token = 'stdiobase' if $token eq 'use_stdio_base';
a0d0e21e	172	$val =~ s%/\.\/\s%%g; $val =~ s/\s*$//; # strip off trailing comment
	173	$val =~ s/^"//; $val =~ s/"$//; # remove end quotes
	174	$val =~ s/","/ /g; # make signal list look nice
748a9306	175	if ($val) { print OUT "$token=\'$val\'\n"; }
a0d0e21e	176	else {
a0d0e21e	177	$token = "d_$token" unless $token =~ /^i_/;
e518068a	178	print OUT "$token='$state'\n";
748a9306	179	}
a0d0e21e	180	}
	181	close IN;
	182
	183	while (<DATA>) {
	184	next if /^\s#/ or /^\s$/;
	185	s/#.$//; s/\s$//;
	186	($key,$val) = split('=',$_,2);
748a9306	187	print OUT "$key='$val'\n";
	188	eval "\$$key = '$val'";
	189	}
	190	# Add in some of the architecture-dependent stuff which has to be consistent
	191	print OUT "d_vms_do_sockets=",$dosock ? "'define'\n" : "'undef'\n";
	192	print OUT "d_has_sockets=",$dosock ? "'define'\n" : "'undef'\n";
748a9306	193	$archlib = &VMS::Filespec::vmspath($privlib);
	194	$archlib =~ s#\]#.VMS_$archsufx\]#;
	195	$installarchlib = &VMS::Filespec::vmspath($installprivlib);
	196	$installarchlib =~ s#\]#.VMS_$archsufx\]#;
	197	print OUT "archlib='$archlib'\n";
e518068a	198	print OUT "archlibexp='$archlib'\n";
748a9306	199	print OUT "installarchlib='$installarchlib'\n";
a0d0e21e	200
e518068a	201	if (open(OPT,"${outdir}crtl.opt")) {
	202	while (<OPT>) {
	203	next unless m#/(sha\|lib)#i;
	204	chomp;
c07a80fd	205	if (/crtl/i \|\| /gcclib/i) { push(@crtls,$_); }
c07a80fd	206	else { push(@libs,$_); }
e518068a	207	}
	208	close OPT;
	209	print OUT "libs='",join(' ',@libs),"'\n";
c07a80fd	210	push(@crtls,'(DECCRTL)') if $cctype eq 'decc';
	211	print OUT "libc='",join(' ',@crtls),"'\n";
	212	}
	213	else { warn "Can't read ${outdir}crtl.opt - skipping 'libs' & 'libc'"; }
	214
	215	if (open(PL,"${outdir}patchlevel.h")) {
	216	while (<PL>) {
	217	next unless /PATCHLEVEL\s+(\S+)/;
	218	print OUT "PATCHLEVEL='$1'\n";
	219	last;
	220	}
	221	close PL;
e518068a	222	}
c07a80fd	223	else { warn "Can't read ${outdir}patchlevel.h - skipping 'PATCHLEVEL'"; }
e518068a	224
	225	# simple pager support for perldoc
	226	if (`most nl:` =~ /IVVERB/) {
	227	$pager = 'more';
	228	if (`more nl:` =~ /IVVERB/) { $pager = 'type/page'; }
	229	}
	230	else { $pager = 'most'; }
	231	print OUT "pager='$pager'\n";
	232
	233	close OUT;
a0d0e21e	234	__END__
	235
	236	# This list is incomplete in comparison to what ends up in config.sh, but
	237	# should contain the essentials. Some of these definitions reflect
	238	# options chosen when building perl or site-specific data; these should
	239	# be hand-edited appropriately. Someday, perhaps, we'll get this automated.
	240
	241	# The definitions in this block are constant across most systems, and
	242	# should only rarely need to be changed.
748a9306	243	ccdlflags=
748a9306	244	cccdlflags=
748a9306	245	usedl=true
a0d0e21e	246	dlobj=dl_vms.obj
	247	dlsrc=dl_vms.c
	248	so=exe
	249	dlext=exe
	250	libpth=/sys$share /sys$library
e518068a	251	usevfork=false
e518068a	252	castflags=0
a0d0e21e	253	signal_t=void
a0d0e21e	254	timetype=long
a0d0e21e	255	builddir=perl_root:[000000]
e518068a	256	prefix=perl_root
748a9306	257	installprivlib=perl_root:[lib]
	258	privlib=perl_root:[lib]
	259	installbin=perl_root:[000000]
e518068a	260	installman1dir=perl_root:[man.man1]
e518068a	261	installman3dir=perl_root:[man.man3]
c07a80fd	262	man1ext=rno
c07a80fd	263	man3ext=rno
e518068a	264	binexp=perl_root:[000000] # should be same as installbin
c07a80fd	265	useposix=false