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+;# $Id: cosmetic.pl,v 3.0.1.3 1995/07/25 14:19:16 ram Exp $
+;#
+;# Copyright (c) 1991-1993, Raphael Manfredi
+;#
+;# You may redistribute only under the terms of the Artistic Licence,
+;# as specified in the README file that comes with the distribution.
+;# You may reuse parts of this distribution only within the terms of
+;# that same Artistic Licence; a copy of which may be found at the root
+;# of the source tree for dist 3.0.
+;#
+;# $Log: cosmetic.pl,v $
+;# Revision 3.0.1.3 1995/07/25 14:19:16 ram
+;# patch56: added support for new -G option
+;#
+;# Revision 3.0.1.2 1995/01/30 14:47:52 ram
+;# patch49: forgot to localize the spaces variable
+;#
+;# Revision 3.0.1.1 1993/11/10 17:39:10 ram
+;# patch14: now also adds confmagic.h if not in MANIFEST.new already
+;# patch14: new functions mani_add and mani_remove to factorize code
+;#
+;# Revision 3.0 1993/08/18 12:10:20 ram
+;# Baseline for dist 3.0 netwide release.
+;#
+;#
+# Update the MANIFEST.new file if necessary
+sub cosmetic_update {
+ # Check for an "empty" config_h.SH (2 blank lines only). This test relies
+ # on the actual text held in Config_h.U. If the unit is modified, then the
+ # following might need adjustments.
+ local($blank_lines) = 0;
+ local($spaces) = 0;
+ open(CONF_H, 'config_h.SH') || die "Can't open config_h.SH\n";
+ while(<CONF_H>) {
+ ++$blank_lines if /^$/;
+ }
+ unlink 'config_h.SH' unless $blank_lines > 3;
+
+ open(NEWMANI,$NEWMANI);
+ $_ = <NEWMANI>;
+ /(\S+\s+)\S+/ && ($spaces = length($1)); # Spaces wanted
+ close NEWMANI;
+ $spaces = 29 if ($spaces < 12); # Default value
+ open(NEWMANI,$NEWMANI);
+ $/ = "\001"; # Swallow the whole file
+ $_ = <NEWMANI>;
+ $/ = "\n";
+ close NEWMANI;
+
+ $* = 1; # Multi-line matching
+
+ &mani_add('Configure', 'Portability tool', $spaces) unless /^Configure\b/;
+ &mani_add('config_h.SH', 'Produces config.h', $spaces)
+ unless /^config_h\.SH\b/ || !-f 'config_h.SH';
+ &mani_add('confmagic.h', 'Magic symbol remapping', $spaces)
+ if $opt_M && !/^confmagic\.h\b/;
+
+ &mani_remove('config_h.SH') if /^config_h\.SH\b/ && !-f 'config_h.SH';
+ &mani_remove('confmagic.h') if /^confmagic.h\b/ && !$opt_M;
+
+ if ($opt_G) { # Want a GNU-like configure wrapper
+ &add_configure;
+ &mani_add('configure', 'GNU configure-like wrapper', $spaces)
+ if !/^configure\b/ && -f 'configure';
+ } else {
+ &mani_remove('configure') if /^configure\b/ && !-f 'configure';
+ }
+
+ $* = 0;
+}
+
+# Add file to MANIFEST.new, with properly indented comment
+sub mani_add {
+ local($file, $comment, $spaces) = @_;
+ print "Adding $file to your $NEWMANI file...\n" unless $opt_s;
+ open(NEWMANI, ">>$NEWMANI") || warn "Can't add $file to $NEWMANI: $!\n";
+ local($blank) = ' ' x ($spaces - length($file));
+ print NEWMANI "${file}${blank}${comment}\n";
+ close NEWMANI;
+}
+
+# Remove file from MANIFEST.new
+sub mani_remove {
+ local($file) = @_;
+ print "Removing $file from $NEWMANI...\n" unless $opt_s;
+ unless (open(NEWMANI, ">$NEWMANI.x")) {
+ warn "Can't create backup $NEWMANI copy: $!\n";
+ return;
+ }
+ unless (open(OLDMANI, $NEWMANI)) {
+ warn "Can't open $NEWMANI: $!\n";
+ return;
+ }
+ local($_);
+ while (<OLDMANI>) {
+ print NEWMANI unless /^$file\b/
+ }
+ close OLDMANI;
+ close NEWMANI;
+ rename("$NEWMANI.x", $NEWMANI) ||
+ warn "Couldn't restore $NEWMANI from $NEWMANI.x\n";
+}
+
+# Copy GNU-like configure wrapper to the package root directory
+sub add_configure {
+ if (-f "$MC/configure") {
+ print "Copying GNU configure-like front end...\n" unless $opt_s;
+ system "cp $MC/configure ./configure";
+ `chmod +x configure`;
+ } else {
+ warn "Can't locate $MC/configure: $!\n";
+ }
+}
+