provisionally added doxygen target in qmake build system

docs/doxygen.pro

@@ -0,0 +1,49 @@
+# Copyright (C) 2013 VATSIM community / contributors
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/
+#
+# Black magic to get qmake to generate a build target to process the file
+# Doxyfile.cmake.in and then invoke doxygen.
+
+TEMPLATE = lib
+CONFIG += staticlib
+CONFIG -= qt
+
+COPY_FILES += qconfigure.pl
+CONFIGURE_IN += Doxyfile.cmake.in
+DOXYFILE = Doxyfile
+
+defineReplace(qconfigureReplace) {
+	file = $$1
+	file = $$basename(file)
+	file = $$replace(file, .cmake.in, )
+	return($$file)
+}
+
+win32:	copy.commands = copy ${QMAKE_FILE_IN} ${QMAKE_FILE_OUT}
+else:	copy.commands =   cp ${QMAKE_FILE_IN} ${QMAKE_FILE_OUT}
+copy.CONFIG = no_link
+copy.input = COPY_FILES
+copy.output = ${QMAKE_FILE_IN_BASE}${QMAKE_FILE_EXT}
+copy.name = COPY
+QMAKE_EXTRA_COMPILERS += copy
+
+qconfigure.commands = perl qconfigure.pl ${QMAKE_FILE_IN} ${QMAKE_FILE_OUT} \
+	CMAKE_CURRENT_BINARY_DIR=$$OUT_PWD \
+	CMAKE_CURRENT_SOURCE_DIR=$$PWD
+qconfigure.CONFIG = no_link
+qconfigure.depends = qconfigure.pl
+qconfigure.input = CONFIGURE_IN
+qconfigure.name = QCONFIGURE
+qconfigure.output_function = qconfigureReplace
+QMAKE_EXTRA_COMPILERS += qconfigure
+
+DOXY_INPUT = .
+doxy.commands = doxygen $$DOXYFILE
+doxy.CONFIG = no_link
+doxy.depends = $$DOXYFILE
+doxy.input = DOXY_INPUT
+doxy.name = DOXY
+doxy.output = .nothing
+QMAKE_EXTRA_COMPILERS += doxy

docs/qconfigure.pl

@@ -0,0 +1,43 @@
+#!/usr/bin/perl
+#
+# Copyright (C) 2013 VATSIM community / contributors
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/
+#
+# Script used by the qmake project file doxygen.pro to process the file
+# Doxyfile.cmake.in
+
+use strict;
+use warnings;
+
+die "not enough arguments\n" if @ARGV < 2;
+
+my ($infile, $outfile, @vars) = @ARGV;
+
+my %vars;
+for my $line (@vars)
+{
+	my ($var, $val) = split '=', $line;
+	$vars{$var} = $val;
+	
+	die "missing '=' in parameter\n" unless defined $val;
+}
+
+$infile  =~ s.\\./.g;
+$outfile =~ s.\\./.g;
+
+open my $in, '<', $infile or die "couldn't read from $infile\n";
+open my $out, '>', $outfile or die "couldn't write to $outfile\n";
+
+while (defined(my $line = <$in>))
+{
+	for my $var (keys %vars)
+	{
+		$line =~ s.\@$var\@.$vars{$var}.g;
+	}
+	print $out $line;
+}
+
+close $in;
+close $out;