configure

QCA的OPENSSL模块

			"QT -= gui\n";
			proextra += qca_crypto_prf;
		} else {
			proextra =
			"CONFIG += qt crypto\n"
			"QT -= gui\n";
		}

		QString str =
		"#include <QtCrypto>\n"
		"\n"
		"int main()\n"
		"{\n"
		"	unsigned long x = QCA_VERSION;\n"
		"	if(x >= 0x020000 && x < 0x030000) return 0; else return 1;\n"
		"}\n";

		if(release)
		{
			int ret;
			if(!conf->doCompileAndLink(str, QStringList(), QString(), proextra + "CONFIG += release\n", &ret))
				return false;
			if(ret != 0)
				return false;
		}

		if(debug)
		{
			int ret;
			if(!conf->doCompileAndLink(str, QStringList(), QString(), proextra + "CONFIG += debug\n", &ret))
				return false;
			if(ret != 0)
				return false;
		}

		if(!qca_prefix.isEmpty())
			conf->addExtra(qca_crypto_prf);
		else
			conf->addExtra("CONFIG += crypto\n");

		return true;
	}
};
#line 1 "openssl.qcm"
/*
-----BEGIN QCMOD-----
name: OpenSSL
arg: with-openssl-inc=[path],Path to OpenSSL include files
arg: with-openssl-lib=[path],Path to OpenSSL library files
-----END QCMOD-----
*/
class qc_openssl : public ConfObj
{
public:
	qc_openssl(Conf *c) : ConfObj(c) {}
	QString name() const { return "OpenSSL"; }
	QString shortname() const { return "openssl"; }
	bool exec()
	{
		QString inc, lib;
		QString s;
		bool kb = false;
		QString kbdir = "/usr/kerberos/include";

		// Redhat 9?
		if(QFileInfo(kbdir).exists())
			kb = true;

		s = conf->getenv("QC_WITH_OPENSSL_INC");
		if(!s.isEmpty()) {
			if(!conf->checkHeader(s, "openssl/ssl.h"))
				return false;
			inc = s;
		}
		else {
			if(!conf->findHeader("openssl/ssl.h", QStringList(), &s))
				return false;
			inc = s;
		}

		s = conf->getenv("QC_WITH_OPENSSL_LIB");
		if(!s.isEmpty()) {
			if(!conf->checkLibrary(s, "ssl"))
				return false;
			lib = s;
		}
		else {
			if(!conf->findLibrary("ssl", &s))
				return false;
			lib = s;
		}

		// is it at least openssl 0.9.7?
		QString str =
			"#include<openssl/opensslv.h>\n"
			"int main()\n"
			"{\n"
			"  unsigned long x = OPENSSL_VERSION_NUMBER;\n"
			"  if(x >= 0x00907000) return 0; else return 1;\n"
			"}\n";
		QStringList incs;
		QString libs;
		if(!inc.isEmpty())
			incs += inc;
		if(kb)
			incs += kbdir;
		if(!lib.isEmpty())
			libs += QString("-L") + lib + ' ';
		libs += "-lssl -lcrypto";
		int ret;
		if(!conf->doCompileAndLink(str, incs, libs, QString(), &ret))
			return false;
		if(ret == 0)
			conf->addDefine("OSSL_097");

		if(!inc.isEmpty())
			conf->addIncludePath(inc);
		if(kb)
			conf->addIncludePath(kbdir);
		if(!lib.isEmpty())
			conf->addLib(QString("-L") + s);
		conf->addLib("-lssl -lcrypto");

		return true;
	}
};
#line 1 "qcapluginpath.qcm"
/*
-----BEGIN QCMOD-----
name: qcapluginpath
section: project
arg: plugins-path=[path],Path to install to.  Default: qtdir/plugins
-----END QCMOD-----
*/

class qc_qcapluginpath : public ConfObj
{
public:
	qc_qcapluginpath(Conf *c) : ConfObj(c) {}
	QString name() const { return "qcapluginpath"; }
	QString shortname() const { return "qcapluginpath"; }

	// no output
	QString checkString() const { return QString(); }

	bool exec()
	{
		QString plugins_path = conf->getenv("QC_PLUGINS_PATH");

		// default to qtdir
		if(plugins_path.isEmpty())
			plugins_path = QLibraryInfo::location(QLibraryInfo::PluginsPath);

		// install into plugins path
		QString str;
		str += QString(
		"target.path=%1/crypto\n"
		"INSTALLS += target\n"
		).arg(plugins_path);
		conf->addExtra(str);
		return true;
	}
};

EOT
cat >$1/modules_new.cpp <<EOT
    o = new qc_buildmode(conf);
    o->required = true;
    o->disabled = false;
    o = new qc_universal(conf);
    o->required = true;
    o->disabled = false;
    o = new qc_qca(conf);
    o->required = true;
    o->disabled = false;
    o = new qc_openssl(conf);
    o->required = true;
    o->disabled = false;
    o = new qc_qcapluginpath(conf);
    o->required = true;
    o->disabled = false;

EOT
cat >$1/conf4.h <<EOT
// For license information, see the COPYING file in the qconf base directory.

#ifndef QC_CONF4_H
#define QC_CONF4_H

#include <QtCore>

class Conf;

enum VersionMode { VersionMin, VersionExact, VersionMax, VersionAny };

// ConfObj
//
// Subclass ConfObj to create a new configuration module.
class ConfObj
{
public:
	Conf *conf;
	bool required;
	bool disabled;
	bool success;

	ConfObj(Conf *c);
	virtual ~ConfObj();

	// long or descriptive name of what is being checked/performed
	// example: "KDE >= 3.3"
	virtual QString name() const = 0;

	// short name
	// example: "kde"
	virtual QString shortname() const = 0;

	// string to display during check
	// default: "Checking for [name] ..."
	virtual QString checkString() const;

	// string to display after check
	// default: "yes" or "no", based on result of exec()
	virtual QString resultString() const;

	// this is where the checking code goes
	virtual bool exec() = 0;
};

// Conf
//
// Interact with this class from your ConfObj to perform detection
// operations and to output configuration parameters.
class Conf
{
public:
	bool debug_enabled;
	QString qmake_path;
	QString maketool;

	QString DEFINES;
	QString INCLUDEPATH;
	QString LIBS;
	QString extra;

	QList<ConfObj*> list;
	QMap<QString,QString> vars;

	Conf();
	~Conf();

	QString getenv(const QString &var);
	QString qvar(const QString &s);

	bool exec();

	void debug(const QString &s);

	QString expandIncludes(const QString &inc);
	QString expandLibs(const QString &lib);

	int doCommand(const QString &s, QByteArray *out = 0);
	int doCommand(const QString &prog, const QStringList &args, QByteArray *out = 0);

	bool doCompileAndLink(const QString &filedata, const QStringList &incs, const QString &libs, const QString &proextra, int *retcode = 0);
	bool checkHeader(const QString &path, const QString &h);
	bool findHeader(const QString &h, const QStringList &ext, QString *inc);
	bool checkLibrary(const QString &path, const QString &name);
	bool findLibrary(const QString &name, QString *lib);
	QString findProgram(const QString &prog);
	bool findSimpleLibrary(const QString &incvar, const QString &libvar, const QString &incname, const QString &libname, QString *incpath, QString *libs);
	bool findFooConfig(const QString &path, QString *version, QStringList *incs, QString *libs, QString *otherflags);
	bool findPkgConfig(const QString &name, VersionMode mode, const QString &req_version, QString *version, QStringList *incs, QString *libs, QString *otherflags);

	void addDefine(const QString &str);
	void addLib(const QString &str);
	void addIncludePath(const QString &str);
	void addExtra(const QString &str);

private:
	bool first_debug;

	friend class ConfObj;
	void added(ConfObj *o);
};

#endif

EOT
cat >$1/conf4.cpp <<EOT
// For license information, see the COPYING file in the qconf base directory.

#include "conf4.h"

#include <stdio.h>
#include <stdlib.h>

class MocTestObject : public QObject
{
	Q_OBJECT
public:
	MocTestObject() {}
};

QString qc_getenv(const QString &var)
{
	char *p = ::getenv(var.toLatin1().data());
	if(!p)
		return QString();
	return QString(p);
}

QStringList qc_pathlist()
{
	QStringList list;
	QString path = qc_getenv("PATH");
	if(!path.isEmpty())
		list = path.split(':', QString::SkipEmptyParts);
	return list;
}

QString qc_findprogram(const QString &prog)
{
	QString out;
	QStringList list = qc_pathlist();
	for(int n = 0; n < list.count(); ++n)
	{
		QFileInfo fi(list[n] + '/' + prog);
		if(fi.exists() && fi.isExecutable())
		{
			out = fi.filePath();
			break;
		}
	}
	return out;
}

QString qc_findself(const QString &argv0)
{
	if(argv0.contains('/'))
		return argv0;
	else
		return qc_findprogram(argv0);
}

int qc_runcommand(const QString &command, QByteArray *out, bool showOutput)
{
	QString fullcmd = command;
	if(!showOutput)
		fullcmd += " 2>/dev/null";
	FILE *f = popen(fullcmd.toLatin1().data(), "r");
	if(!f)
		return -1;
	if(out)
		out->clear();
	while(1)
	{
		char c = (char)fgetc(f);
		if(feof(f))
			break;
		if(out)
			out->append(c);
		if(showOutput)
			fputc(c, stdout);
	}
	int ret = pclose(f);
	if(ret == -1)
		return -1;
	return ret;
}

int qc_runprogram(const QString &prog, const QStringList &args, QByteArray *out, bool showOutput)
{
	QString fullcmd = prog;
	QString argstr = args.join(" ");
	if(!argstr.isEmpty())
		fullcmd += QString(" ") + argstr;
	return qc_runcommand(fullcmd, out, showOutput);

	// TODO: use QProcess once it is fixed
	/*
	QProcess process;
	if(showOutput)
		process.setReadChannelMode(ForwardedChannels);
	process.start(prog, args);
	process.waitForFinished(-1);
	return process.exitCode();
	*/
}

bool qc_removedir(const QString &dirPath)
{
	QDir dir(dirPath);
	if(!dir.exists())
		return false;
	QStringList list = dir.entryList();
	foreach(QString s, list)
	{
		if(s == "." || s == "..")
			continue;
		QFileInfo fi(dir.filePath(s));
		if(fi.isDir())
		{
			if(!qc_removedir(fi.filePath()))
				return false;
		}
		else
		{
			if(!dir.remove(s))
				return false;
		}
	}
	QString dirName = dir.dirName();
	if(!dir.cdUp())
		return false;
	if(!dir.rmdir(dirName))
		return false;
	return true;
}

void qc_splitcflags(const QString &cflags, QStringList *incs, QStringList *otherflags)
{
	incs->clear();
	otherflags->clear();

	QStringList cflagsList = cflags.split(" ");
	for(int n = 0; n < cflagsList.count(); ++n)
	{
		QString str = cflagsList[n];
		if(str.startsWith("-I"))
		{
			// we want everything except the leading "-I"
			incs->append(str.remove(0, 2));
		}
		else
		{
			// we want whatever is left
			otherflags->append(str);
		}
	}
}

QString qc_escapeArg(const QString &str)
{
	QString out;
	for(int n = 0; n < (int)str.length(); ++n) {
		if(str[n] == '-')
			out += '_';
		else
			out += str[n];
	}
	return out;
}

//----------------------------------------------------------------------------
// ConfObj
//----------------------------------------------------------------------------
ConfObj::ConfObj(Conf *c)
{
	conf = c;
	conf->added(this);
	required = false;
	disabled = false;
	success = false;
}

ConfObj::~ConfObj()
{
}

QString ConfObj::checkString() const
{
	return QString("Checking for %1 ...").arg(name());
}

QString ConfObj::resultString() const
{
	if(success)
		return "yes";
	else
		return "no";
}

//----------------------------------------------------------------------------
// qc_internal_pkgconfig
//----------------------------------------------------------------------------
class qc_internal_pkgconfig : public ConfObj
{
public:
	QString pkgname, desc;
	VersionMode mode;
	QString req_ver;

        qc_internal_pkgconfig(Conf *c, const QString &_name, const QString &_desc, VersionMode _mode, const QString &_req_ver) : ConfObj(c)
	{
		pkgname = _name;
		desc = _desc;
		mode = _mode;
		req_ver = _req_ver;
	}

	QString name() const { return desc; }
	QString shortname() const { return pkgname; }

	bool exec()
	{
		QStringList incs;
		QString version, libs, other;
		if(!conf->findPkgConfig(pkgname, mode, req_ver, &version, &incs, &libs, &other))
			return false;

		for(int n = 0; n < incs.count(); ++n)
			conf->addIncludePath(incs[n]);
		if(!libs.isEmpty())
			conf->addLib(libs);
		//if(!other.isEmpty())
		//	conf->addExtra(QString("QMAKE_CFLAGS += %1\n").arg(other));
		return true;
	}
};

//----------------------------------------------------------------------------
// Conf
//----------------------------------------------------------------------------
Conf::Conf()
{
	// TODO: no more vars?
	//vars.insert("QMAKE_INCDIR_X11", new QString(X11_INC));
	//vars.insert("QMAKE_LIBDIR_X11", new QString(X11_LIBDIR));
	//vars.insert("QMAKE_LIBS_X11",   new QString(X11_LIB));
	//vars.insert("QMAKE_CC", CC);

	debug_enabled = false;
}

Conf::~Conf()
{
	qDeleteAll(list);
}

void Conf::added(ConfObj *o)
{
	list.append(o);
}

QString Conf::getenv(const QString &var)
{
	return qc_getenv(var);
}

void Conf::debug(const QString &s)
{
	if(debug_enabled)
	{
		if(first_debug)
			printf("\n");
		first_debug = false;
		printf(" * %s\n", qPrintable(s));
	}
}

bool Conf::exec()
{
	for(int n = 0; n < list.count(); ++n)
	{
		ConfObj *o = list[n];

		// if this was a disabled-by-default option, check if it was enabled
		if(o->disabled)
		{
			QString v = QString("QC_ENABLE_") + qc_escapeArg(o->shortname());
			if(getenv(v) != "Y")
				continue;
		}
		// and the opposite?
		else
		{
			QString v = QString("QC_DISABLE_") + qc_escapeArg(o->shortname());
			if(getenv(v) == "Y")
				continue;
		}

		bool output = true;
		QString check = o->checkString();
		if(check.isEmpty())
			output = false;

		if(output)
		{
			printf("%s", check.toLatin1().data());
			fflush(stdout);
		}

		first_debug = true;
		bool ok = o->exec();
		o->success = ok;

		if(output)
		{
			QString result = o->resultString();