#!/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. 16-Feb-1998 Charles Bailey bailey@newman.upenn.edu
#
#==== Locations of installed Perl components
$prefix='perl_root';
$builddir="$prefix:[000000]";
$installbin="$prefix:[000000]";
$installscript="$prefix:[000000]";
$installman1dir="$prefix:[man.man1]";
$installman3dir="$prefix:[man.man3]";
$installprivlib="$prefix:[lib]";
$installsitelib="$prefix:[lib.site_perl]";
unshift(@INC,'lib'); # In case someone didn't define Perl_Root
# before the build
if ($ARGV[0] eq '-f') {
open(ARGS,$ARGV[1]) or die "Can't read data from $ARGV[1]: $!\n";
@ARGV = ();
while (<ARGS>) {
chomp;
push(@ARGV,split(/\|/,$_));
}
close ARGS;
}
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;
$cf_by = (getpwuid($<))[0];
$archsufx = `Write Sys\$Output F\$GetSyi("HW_MODEL")` > 1024 ? 'AXP' : 'VAX';
($vers = $]) =~ tr/./_/;
$installarchlib = VMS::Filespec::vmspath($installprivlib);
$installarchlib =~ s#\]#.VMS_$archsufx.$vers\]#;
$installsitearch = VMS::Filespec::vmspath($installsitelib);
$installsitearch =~ s#\]#.VMS_$archsufx\]#;
($osvers = `Write Sys\$Output F\$GetSyi("VERSION")`) =~ s/^V?(\S+)\s*\n?$/$1/;
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'
cf_by='$cf_by'
ccdlflags='undef'
cccdlflags='undef'
mab='undef'
libpth='/sys\$share /sys\$library'
ld='Link'
lddlflags='/Share'
ranlib='undef'
ar='undef'
eunicefix=':'
hint='none'
hintfile='undef'
useshrplib='define'
usemymalloc='n'
usevfork='true'
spitshell='write sys\$output '
dlsrc='dl_vms.c'
binexp='$installbin'
man1ext='rno'
man3ext='rno'
arch='VMS_$archsufx'
archname='VMS_$archsufx'
bincompat3='undef'
d_bincompat3='undef'
osvers='$osvers'
prefix='$prefix'
builddir='$builddir'
installbin='$installbin'
installscript='$installscript'
installman1dir='$installman1dir'
installman3dir='$installman3dir'
installprivlib='$installprivlib'
installarchlib='$installarchlib'
installsitelib='$installsitelib'
installsitearch='$installsitearch'
path_sep='|'
startperl='\$ perl 'f\$env("procedure")' 'p1' 'p2' 'p3' 'p4' 'p5' 'p6' 'p7' 'p8' !
\$ exit++ + ++\$status != 0 and \$exit = \$status = undef;'
EndOfIntro
foreach (@ARGV) {
($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 C version (\S+)/) {
$cctype = 'gcc';
$d_attr = 'define';
print OUT "gccversion='$1'\n";
}
elsif ($archsufx eq 'VAX' &&
# Check exit status too, in case message is turned off
( `$val/NoObject/NoList /prefix=all _nla0:` =~ /IVQUAL/ ||
$? == 0x38240 )) {
$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;
}
$debug = $optimize = '';
while ( ($qual) = $ccflags =~ m|(/(No)?Deb[^/]*)|i ) {
$debug = $qual;
$ccflags =~ s/$qual//;
}
while ( ($qual) = $ccflags =~ m|(/(No)?Opt[^/]*)|i ) {
$optimize = $qual;
$ccflags =~ s/$qual//;
}
$usethreads = ($ccflags =~ m!/DEF[^/]+USE_5005THREADS!i and
$ccflags !~ m!/UND[^/]+USE_5005THREADS!i);
print OUT "usethreads='",($usethreads ? 'define' : 'undef'),"'\n";;
$optimize = "$debug$optimize";
print OUT "ccflags='$ccflags'\n";
print OUT "optimize='$optimize'\n";
$dosock = ($ccflags =~ m!/DEF[^/]+VMS_DO_SOCKETS!i and
$ccflags !~ m!/UND[^/]+VMS_DO_SOCKETS!i);
print OUT "d_vms_do_sockets=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_socket=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_sockpair=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_gethent=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_sethent=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_select=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "i_netdb=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "i_niin=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "i_neterrno=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_gethbyname=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_gethbyaddr=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_getpbyname=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_getpbynumber=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_getsbyname=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_getsbyport=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_endhent=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_getpent=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_setpent=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_endpent=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_getsent=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_setsent=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_endsent=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "netdb_name_type=",$dosock ? "'char *'\n" : "'undef'\n";
print OUT "netdb_host_type=",$dosock ? "'char *'\n" : "'undef'\n";
print OUT "netdb_hlen_type=",$dosock ? "'int'\n" : "'undef'\n";
print OUT "d_gethostprotos=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_getnetprotos=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_getservprotos=",$dosock ? "'define'\n" : "'undef'\n";
print OUT "d_getprotoprotos=",$dosock ? "'define'\n" : "'undef'\n";
if ($dosock and $cctype eq 'decc' and $ccflags =~ /DECCRTL_SOCKETS/) {
print OUT "selecttype='fd_set'\n";
print OUT "d_getnbyaddr='define'\n";
print OUT "d_getnbyname='define'\n";
print OUT "d_getnent='define'\n";
print OUT "d_setnent='define'\n";
print OUT "d_endnent='define'\n";
print OUT "netdb_net_type='long'\n";
}
else {
print OUT "selecttype='int'\n";
print OUT "d_getnybname='undef'\n";
print OUT "d_getnybaddr='undef'\n";
print OUT "d_getnent='undef'\n";
print OUT "d_setnent='undef'\n";
print OUT "d_endnent='undef'\n";
print OUT "netdb_net_type='undef'\n";
}
if ($cctype eq 'decc') {
$rtlhas = 'define';
print OUT "useposix='true'\n";
($ccver,$vmsver) = `$cc/VERSION` =~ /V(\S+) on .*V(\S+)$/;
# Best guess; the may be wrong on systems which have separately
# installed the new CRTL.
if ($ccver >= 5.2 and $vmsver >= 7) { $rtlnew = 'define'; }
else { $rtlnew = 'undef'; }
}
else { $rtlhas = $rtlnew = 'undef'; print OUT "useposix='false'\n"; }
foreach (qw[ d_stdstdio d_stdio_ptr_lval d_stdio_cnt_lval d_stdiobase
d_locconv d_setlocale i_locale d_mbstowcs d_mbtowc
d_wcstombs d_wctomb d_mblen d_mktime d_strcoll d_strxfrm ]) {
print OUT "$_='$rtlhas'\n";
}
print OUT "d_stdio_ptr_lval_sets_cnt='undef'\n";
print OUT "d_stdio_ptr_lval_nochange_cnt='undef'\n";
foreach (qw[ d_gettimeod d_uname d_truncate d_wait4 d_index
d_pathconf d_fpathconf d_sysconf d_sigsetjmp ]) {
print OUT "$_='$rtlnew'\n";
}
next;
}
elsif ($key eq 'exe_ext') {
my($nodot) = $val;
$nodot =~ s!\.!!;
print OUT "so='$nodot'\ndlext='$nodot'\n";
}
elsif ($key eq 'obj_ext') { print OUT "dlobj='dl_vms$val'\n"; }
print OUT "$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 $hwname'\n";
# Before we read the C header file, find out what config.sh constants are
# equivalent to the C preprocessor macros
if (open(SH,"${outdir}config_h.SH")) {
while (<SH>) {
next unless m%^#(?!if).*\$%;
s/^#//; s!(.*?)\s*/\*.*!$1!;
my(@words) = split;
$words[1] =~ s/\(.*//; # Clip off args from macro
# Did we use a shell variable for the preprocessor directive?
if ($words[0] =~ m!^\$(\w+)!) { $pp_vars{$words[1]} = $1; }
if (@words > 2) { # We may also have a shell var in the value
shift @words; # Discard preprocessor directive
my($token) = shift @words; # and keep constant name
my($word);
foreach $word (@words) {
next unless $word =~ m!\$(\w+)!;
$val_vars{$token} = $1;
last;
}
}
}
close SH;
}
else { warn "Couldn't read ${outdir}config_h.SH: $!\n"; }
$pp_vars{UNLINK_ALL_VERSIONS} = 'd_unlink_all_versions'; # VMS_specific
# OK, now read the C header file, and retcon statements into config.sh
while (<IN>) { # roll through the comment header in Config.VMS
last if /config-start/;
}
while (<IN>) {
chop;
while (/\\\s*$/) { # 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*(.*)%;
if (/config-skip/) {
delete $pp_vars{$token} if exists $pp_vars{$token};
delete $val_vars{$token} if exists $val_vars{$token};
next;
}
$val =~ s!\s*/\*.*!!; # strip off trailing comment
my($had_val); # Maybe a macro with args that we just #undefd or commented
if (!length($val) and $val_vars{$token} and ($un || $blocked)) {
print OUT "$val_vars{$token}=''\n" unless exists $done{$val_vars{$token}};
$done{$val_vars{$token}}++;
delete $val_vars{$token};
$had_val = 1;
}
$state = ($blocked || $un) ? 'undef' : 'define';
if ($pp_vars{$token}) {
print OUT "$pp_vars{$token}='$state'\n" unless exists $done{$pp_vars{$token}};
$done{$pp_vars{$token}}++;
delete $pp_vars{$token};
}
elsif (not length $val and not $had_val) {
# Wups -- should have been shell var for C preprocessor directive
warn "Constant $token not found in config_h.SH\n";
$token = lc $token;
$token = "d_$token" unless $token =~ /^i_/;
print OUT "$token='$state'\n";
}
next unless length $val;
$val =~ s/^"//; $val =~ s/"$//; # remove end quotes
$val =~ s/","/ /g; # make signal list look nice
# Library directory; convert to VMS syntax
$val = VMS::Filespec::vmspath($val) if ($token =~ /EXP$/);
if ($val_vars{$token}) {
print OUT "$val_vars{$token}='$val'\n" unless exists $done{$val_vars{$token}};
if ($val_vars{$token} =~ s/exp$//) {
print OUT "$val_vars{$token}='$val'\n" unless exists $done{$val_vars{$token}};;
}
$done{$val_vars{$token}}++;
delete $val_vars{$token};
}
elsif (!$pp_vars{$token}) { # Haven't seen it previously, either
warn "Constant $token not found in config_h.SH (val=|$val|)\n";
$token = lc $token;
print OUT "$token='$val'\n";
if ($token =~ s/exp$//) {print OUT "$token='$val'\n";}
}
}
close IN;
# Special case -- preprocessor manifest "VMS" is defined automatically
# on VMS systems, but is also used erroneously by the Perl build process
# as the manifest for the obsolete variable $d_eunice.
print OUT "d_eunice='undef'\n"; delete $pp_vars{VMS};
# XXX temporary -- USE_5005THREADS is currently on CC command line
delete $pp_vars{'USE_5005THREADS'};
foreach (sort keys %pp_vars) {
warn "Didn't see $_ in $infile\n";
}
foreach (sort keys %val_vars) {
warn "Didn't see $_ in $infile(val)\n";
}
if (open(OPT,"${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>) {
if (/^#define PERL_VERSION\s+(\S+)/) {
print OUT "PERL_VERSION='$1'\n";
print OUT "PATCHLEVEL='$1'\n"; # XXX compat
}
elsif (/^#define PERL_SUBVERSION\s+(\S+)/) {
print OUT "PERL_SUBVERSION='$1'\n";
print OUT "SUBVERSION='$1'\n"; # XXX compat
}
}
close PL;
}
else { warn "Can't read ${outdir}patchlevel.h - skipping 'PATCHLEVEL'"; }
# simple pager support for perldoc
if (`most not..file` =~ /IVVERB/) {
$pager = 'more';
if (`more nl:` =~ /IVVERB/) { $pager = 'type/page'; }
}
else { $pager = 'most'; }
print OUT "pager='$pager'\n";
close OUT;
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