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|
#!/usr/bin/perl -w
#
# Regina - A Normal Surface Theory Calculator
# Makefile.am Update Utility
#
# Copyright (c) 2002-2004, Ben Burton
# For further details contact Ben Burton (bab@debian.org).
#
# Usage: am_update [ <directory-tree> | path/to/single/Makefile.am ] ...
#
# Updates all Makefile.am lines of the form:
# ...HEADERS =...
# ...SOURCES =...
# within the given source subtrees to reflect all available sources in
# the corresponding directories.
#
# Running without any arguments will perform this update in the usual
# directories (excluding kdeui).
#
# WARNING: This script should never be used within the kdeui/ directory
# since it interferes with the KDE magic.
#
# This program 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 of the
# License, or (at your option) any later version.
#
# This program 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 this program; if not, write to the Free
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307, USA.
#
use strict;
# --- Are we in the top-level source directory? ---
if (! -d 'admin') {
print STDERR "ERROR: This script should be run from within the top-level source directory.\n";
exit(1);
}
# --- Get the list of files and directory trees upon which to operate. ---
my $nArgs = @ARGV;
my @dirsAndFiles;
if ($nArgs) {
@dirsAndFiles = @ARGV;
} else {
@dirsAndFiles = ( 'engine', 'python', 'testsuite' );
}
# --- Update each file or directory tree. ---
foreach my $item (@dirsAndFiles) {
if (-e $item) {
if (-l $item) {
print STDERR "ERROR: File $item is a symbolic link.\n";
exit(1);
} elsif (-d $item) {
updateDir($item);
} elsif ((-f $item) && ($item =~ /Makefile.am$/)) {
updateFile($item);
} else {
print STDERR "ERROR: File $item is not a Makefile.am.\n";
exit(1);
}
} else {
print STDERR "ERROR: File or directory $item does not exist.\n";
exit(1);
}
}
# Usage: updateDir($dir)
# Pre: $dir is known to be an existing directory.
#
sub updateDir {
# Get a list of files in this directory.
my @files = glob($_[0].'/*');
foreach my $entry (@files) {
if ($entry =~ /Makefile.am$/) {
updateFile($entry);
} elsif (-d $entry) {
updateDir($entry);
}
}
}
# Usage: updateFile($file)
# Pre: $file is known to be an existing Makefile.am.
#
sub updateFile {
my $fullAm = $_[0];
my $amDir;
if ($fullAm =~ /^(.*)\/Makefile.am$/) {
$amDir = $1;
} elsif ($fullAm eq 'Makefile.am' ) {
$amDir = '.';
} else {
print STDERR "ERROR: Badly formed Makefile.am filename ($fullAm).\n";
exit(1);
}
print "Checking $amDir/Makefile.am ... ";
my @HEADERS;
my @SOURCES;
foreach my $entry (glob($amDir.'/*')) {
if ($entry eq "$amDir/regina-config.h") {
} elsif ($entry =~ /^\Q${amDir}\E\/(.*\.h)$/) {
push(@HEADERS, $1);
} elsif ($entry =~ /^\Q${amDir}\E\/(.*\.tcc)$/) {
push(@HEADERS, $1);
} elsif ($entry =~ /^\Q${amDir}\E\/(.*\.cpp)$/) {
push(@SOURCES, $1);
}
}
if (! open(DATA, $fullAm)) {
print STDERR "ERROR: Could not open $fullAm for reading.\n";
exit(1);
}
my @lines = <DATA>;
my @newLines = ();
my $changed = 0;
close(DATA);
my $newLine;
foreach my $line (@lines) {
if ($line =~ /^(.*)HEADERS\s*=/) {
$newLine = "$1HEADERS =".fileSet(@HEADERS)."\n";
} elsif ($line =~ /^(.*)SOURCES\s*=/) {
$newLine = "$1SOURCES =".fileSet(@SOURCES)."\n";
} else {
$newLine = $line;
}
push(@newLines, $newLine);
if ($newLine ne $line) {
$changed = 1;
}
}
if ($changed) {
if (! open(NEWDATA, '>'.$fullAm)) {
print STDERR "ERROR: Could not open $fullAm for writing.\n";
exit(1);
}
foreach my $newLine (@newLines) {
print NEWDATA "$newLine";
}
close(NEWDATA);
print "UPDATED.\n";
} else {
print "ok.\n";
}
}
# Usage: fileSet(@array_of_filenames)
#
sub fileSet {
my $ans = '';
foreach my $file (sort(@_)) {
$ans = $ans.' '.$file;
}
return $ans;
}
|
