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qt5base-lts/qmake/generators/win32/mingw_make.cpp
Simon Hausmann 0c0c04b405 Fix semantics of the src dir in the include search paths with MinGW 
This issue originates from https://bugs.webkit.org/show_bug.cgi?id=95736

Suppose we have
    main.cpp
    somedirectory/someheader.h -- which has #include "anotherheader.h"
    anotherheader.h

With unix generator, the directory where main.cpp is located is included,
unless no_include_pwd is set. Hence the look-up of anotherheader.h from
within someheader.h will work.

With MSVC this works because MSVC looks "in the directories of any
previously opened include files in the reverse order in which they were
opened." (from http://msdn.microsoft.com/en-us/library/36k2cdd4.aspx)

Unfortunately the build breaks with MinGW, because it lacks support for
including the source directory in the include search path just like the
unix generator does.

This patch adds the same functionality to the MinGW generator as well as
an auto-test.

Change-Id: Iea8bb06e34862c51b8fd4eca2ee26668e24a319a
Reviewed-by: Qt Doc Bot <qt_docbot@qt-project.org>
Reviewed-by: Sergio Ahumada <sergio.ahumada@nokia.com>
Reviewed-by: Jonathan Liu <net147@gmail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
2012-09-10 14:09:45 +02:00

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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the qmake application of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "mingw_make.h"
#include "option.h"
#include "meta.h"
#include <proitems.h>
#include <qregexp.h>
#include <qdir.h>
#include <stdlib.h>
#include <time.h>
QT_BEGIN_NAMESPACE
MingwMakefileGenerator::MingwMakefileGenerator() : Win32MakefileGenerator(), init_flag(false)
{
if (isWindowsShell())
quote = "\"";
else
quote = "'";
}
QString MingwMakefileGenerator::escapeDependencyPath(const QString &path) const
{
QString ret = path;
ret.remove('\"');
ret.replace('\\', "/");
ret.replace(' ', "\\ ");
return ret;
}
QString MingwMakefileGenerator::getLibTarget()
{
return QString("lib" + project->first("TARGET") + project->first("TARGET_VERSION_EXT") + ".a");
}
bool MingwMakefileGenerator::findLibraries()
{
QList<QMakeLocalFileName> dirs;
static const char * const lflags[] = { "QMAKE_LIBS", "QMAKE_LIBS_PRIVATE", 0 };
for (int i = 0; lflags[i]; i++) {
ProStringList &l = project->values(lflags[i]);
ProStringList::Iterator it = l.begin();
while (it != l.end()) {
if ((*it).startsWith("-l")) {
QString steam = (*it).mid(2).toQString();
ProString out;
QString suffix = project->first(ProKey("QMAKE_" + steam.toUpper() + "_SUFFIX")).toQString();
for (QList<QMakeLocalFileName>::Iterator dir_it = dirs.begin(); dir_it != dirs.end(); ++dir_it) {
QString extension;
int ver = findHighestVersion((*dir_it).local(), steam, "dll.a|a");
if (ver != -1)
extension += QString::number(ver);
extension += suffix;
if(QMakeMetaInfo::libExists((*dir_it).local() + Option::dir_sep + steam) ||
exists((*dir_it).local() + Option::dir_sep + steam + extension + ".a") ||
exists((*dir_it).local() + Option::dir_sep + steam + extension + ".dll.a")) {
out = *it + extension;
break;
}
}
if (!out.isEmpty()) // We assume if it never finds it that its correct
(*it) = out;
} else if((*it).startsWith("-L")) {
dirs.append(QMakeLocalFileName((*it).mid(2).toQString()));
}
++it;
}
}
return true;
}
bool MingwMakefileGenerator::writeMakefile(QTextStream &t)
{
writeHeader(t);
if(!project->values("QMAKE_FAILED_REQUIREMENTS").isEmpty()) {
t << "all clean:" << "\n\t"
<< "@echo \"Some of the required modules ("
<< var("QMAKE_FAILED_REQUIREMENTS") << ") are not available.\"" << "\n\t"
<< "@echo \"Skipped.\"" << endl << endl;
writeMakeQmake(t);
return true;
}
if(project->first("TEMPLATE") == "app" ||
project->first("TEMPLATE") == "lib" ||
project->first("TEMPLATE") == "aux") {
if(project->isActiveConfig("create_pc") && project->first("TEMPLATE") == "lib")
writePkgConfigFile();
if(Option::mkfile::do_stub_makefile) {
t << "QMAKE = " << var("QMAKE_QMAKE") << endl;
const ProStringList &qut = project->values("QMAKE_EXTRA_TARGETS");
for (ProStringList::ConstIterator it = qut.begin(); it != qut.end(); ++it)
t << *it << " ";
t << "first all clean install distclean uninstall: qmake" << endl
<< "qmake_all:" << endl;
writeMakeQmake(t);
t << "FORCE:" << endl << endl;
return true;
}
writeMingwParts(t);
return MakefileGenerator::writeMakefile(t);
}
else if(project->first("TEMPLATE") == "subdirs") {
writeSubDirs(t);
return true;
}
return false;
}
void createLdObjectScriptFile(const QString &fileName, const ProStringList &objList)
{
QString filePath = Option::output_dir + QDir::separator() + fileName;
QFile file(filePath);
if (file.open(QIODevice::WriteOnly | QIODevice::Text)) {
QTextStream t(&file);
t << "INPUT(" << endl;
for (ProStringList::ConstIterator it = objList.constBegin(); it != objList.constEnd(); ++it) {
QString path = (*it).toQString();
if (QDir::isRelativePath(path))
t << "./" << path << endl;
else
t << path << endl;
}
t << ");" << endl;
t.flush();
file.close();
}
}
void createArObjectScriptFile(const QString &fileName, const QString &target, const ProStringList &objList)
{
QString filePath = Option::output_dir + QDir::separator() + fileName;
QFile file(filePath);
if (file.open(QIODevice::WriteOnly | QIODevice::Text)) {
QTextStream t(&file);
t << "CREATE " << target << endl;
for (ProStringList::ConstIterator it = objList.constBegin(); it != objList.constEnd(); ++it) {
t << "ADDMOD " << *it << endl;
}
t << "SAVE" << endl;
t.flush();
file.close();
}
}
void createRvctObjectScriptFile(const QString &fileName, const ProStringList &objList)
{
QString filePath = Option::output_dir + QDir::separator() + fileName;
QFile file(filePath);
if (file.open(QIODevice::WriteOnly | QIODevice::Text)) {
QTextStream t(&file);
for (ProStringList::ConstIterator it = objList.constBegin(); it != objList.constEnd(); ++it) {
QString path = (*it).toQString();
if (QDir::isRelativePath(path))
t << "./" << path << endl;
else
t << path << endl;
}
t.flush();
file.close();
}
}
void MingwMakefileGenerator::writeMingwParts(QTextStream &t)
{
writeStandardParts(t);
if (!preCompHeaderOut.isEmpty()) {
QString header = project->first("PRECOMPILED_HEADER").toQString();
QString cHeader = preCompHeaderOut + Option::dir_sep + "c";
t << escapeDependencyPath(cHeader) << ": " << escapeDependencyPath(header) << " "
<< escapeDependencyPaths(findDependencies(header)).join(" \\\n\t\t")
<< "\n\t" << mkdir_p_asstring(preCompHeaderOut)
<< "\n\t" << "$(CC) -x c-header -c $(CFLAGS) $(INCPATH) -o " << cHeader << " " << header
<< endl << endl;
QString cppHeader = preCompHeaderOut + Option::dir_sep + "c++";
t << escapeDependencyPath(cppHeader) << ": " << escapeDependencyPath(header) << " "
<< escapeDependencyPaths(findDependencies(header)).join(" \\\n\t\t")
<< "\n\t" << mkdir_p_asstring(preCompHeaderOut)
<< "\n\t" << "$(CXX) -x c++-header -c $(CXXFLAGS) $(INCPATH) -o " << cppHeader << " " << header
<< endl << endl;
}
}
void MingwMakefileGenerator::init()
{
if(init_flag)
return;
init_flag = true;
/* this should probably not be here, but I'm using it to wrap the .t files */
if(project->first("TEMPLATE") == "app")
project->values("QMAKE_APP_FLAG").append("1");
else if(project->first("TEMPLATE") == "lib")
project->values("QMAKE_LIB_FLAG").append("1");
else if(project->first("TEMPLATE") == "subdirs") {
MakefileGenerator::init();
if(project->isEmpty("QMAKE_COPY_FILE"))
project->values("QMAKE_COPY_FILE").append("$(COPY)");
if(project->isEmpty("QMAKE_COPY_DIR"))
project->values("QMAKE_COPY_DIR").append("xcopy /s /q /y /i");
if(project->isEmpty("QMAKE_INSTALL_FILE"))
project->values("QMAKE_INSTALL_FILE").append("$(COPY_FILE)");
if(project->isEmpty("QMAKE_INSTALL_PROGRAM"))
project->values("QMAKE_INSTALL_PROGRAM").append("$(COPY_FILE)");
if(project->isEmpty("QMAKE_INSTALL_DIR"))
project->values("QMAKE_INSTALL_DIR").append("$(COPY_DIR)");
if(project->values("MAKEFILE").isEmpty())
project->values("MAKEFILE").append("Makefile");
return;
}
project->values("TARGET_PRL").append(project->first("TARGET"));
project->values("QMAKE_L_FLAG") << "-L";
processVars();
if (!project->values("RES_FILE").isEmpty()) {
project->values("QMAKE_LIBS") += escapeFilePaths(project->values("RES_FILE"));
}
ProStringList &configs = project->values("CONFIG");
if(project->isActiveConfig("qt_dll"))
if(configs.indexOf("qt") == -1)
configs.append("qt");
if (project->isActiveConfig("dll")) {
QString destDir = "";
if(!project->first("DESTDIR").isEmpty())
destDir = Option::fixPathToTargetOS(project->first("DESTDIR") + Option::dir_sep, false, false);
project->values("MINGW_IMPORT_LIB").prepend(destDir + "lib" + project->first("TARGET")
+ project->first("TARGET_VERSION_EXT") + ".a");
project->values("QMAKE_LFLAGS").append(QString("-Wl,--out-implib,") + project->first("MINGW_IMPORT_LIB"));
}
if (!project->values("DEF_FILE").isEmpty()) {
QString defFileName = fileFixify(project->first("DEF_FILE").toQString());
project->values("QMAKE_LFLAGS").append(QString("-Wl,") + escapeFilePath(defFileName));
}
if (project->isActiveConfig("staticlib") && project->first("TEMPLATE") == "lib")
project->values("QMAKE_LFLAGS").append("-static");
MakefileGenerator::init();
// precomp
if (!project->first("PRECOMPILED_HEADER").isEmpty()
&& project->isActiveConfig("precompile_header")) {
QString preCompHeader = var("PRECOMPILED_DIR")
+ QFileInfo(project->first("PRECOMPILED_HEADER").toQString()).fileName();
preCompHeaderOut = preCompHeader + ".gch";
project->values("QMAKE_CLEAN").append(preCompHeaderOut + Option::dir_sep + "c");
project->values("QMAKE_CLEAN").append(preCompHeaderOut + Option::dir_sep + "c++");
project->values("QMAKE_RUN_CC").clear();
project->values("QMAKE_RUN_CC").append("$(CC) -c -include " + preCompHeader +
" $(CFLAGS) $(INCPATH) -o $obj $src");
project->values("QMAKE_RUN_CC_IMP").clear();
project->values("QMAKE_RUN_CC_IMP").append("$(CC) -c -include " + preCompHeader +
" $(CFLAGS) $(INCPATH) -o $@ $<");
project->values("QMAKE_RUN_CXX").clear();
project->values("QMAKE_RUN_CXX").append("$(CXX) -c -include " + preCompHeader +
" $(CXXFLAGS) $(INCPATH) -o $obj $src");
project->values("QMAKE_RUN_CXX_IMP").clear();
project->values("QMAKE_RUN_CXX_IMP").append("$(CXX) -c -include " + preCompHeader +
" $(CXXFLAGS) $(INCPATH) -o $@ $<");
}
if(project->isActiveConfig("dll")) {
project->values("QMAKE_CLEAN").append(project->first("MINGW_IMPORT_LIB"));
}
}
void MingwMakefileGenerator::writeIncPart(QTextStream &t)
{
t << "INCPATH = ";
if (!project->isActiveConfig("no_include_pwd")) {
QString pwd = escapeFilePath(fileFixify(qmake_getpwd()));
if (pwd.isEmpty())
pwd = ".";
t << "-I" << pwd << " ";
}
const ProStringList &incs = project->values("INCLUDEPATH");
for (ProStringList::ConstIterator incit = incs.begin(); incit != incs.end(); ++incit) {
QString inc = (*incit).toQString();
inc.replace(QRegExp("\\\\$"), "");
inc.replace(QRegExp("\""), "");
t << "-I" << quote << inc << quote << " ";
}
t << "-I" << quote << specdir() << quote
<< endl;
}
void MingwMakefileGenerator::writeLibsPart(QTextStream &t)
{
if(project->isActiveConfig("staticlib") && project->first("TEMPLATE") == "lib") {
t << "LIB = " << var("QMAKE_LIB") << endl;
} else {
t << "LINK = " << var("QMAKE_LINK") << endl;
t << "LFLAGS = " << var("QMAKE_LFLAGS") << endl;
t << "LIBS = "
<< var("QMAKE_LIBS").replace(QRegExp("(\\slib|^lib)")," -l") << ' '
<< var("QMAKE_LIBS_PRIVATE").replace(QRegExp("(\\slib|^lib)")," -l") << endl;
}
}
void MingwMakefileGenerator::writeObjectsPart(QTextStream &t)
{
if (project->values("OBJECTS").count() < var("QMAKE_LINK_OBJECT_MAX").toInt()) {
objectsLinkLine = "$(OBJECTS)";
} else if (project->isActiveConfig("staticlib") && project->first("TEMPLATE") == "lib") {
QString ar_script_file = var("QMAKE_LINK_OBJECT_SCRIPT") + "." + var("TARGET");
if (!var("BUILD_NAME").isEmpty()) {
ar_script_file += "." + var("BUILD_NAME");
}
// QMAKE_LIB is used for win32, including mingw, whereas QMAKE_AR is used on Unix.
if (project->isActiveConfig("rvct_linker")) {
createRvctObjectScriptFile(ar_script_file, project->values("OBJECTS"));
QString ar_cmd = project->values("QMAKE_LIB").join(" ");
if (ar_cmd.isEmpty())
ar_cmd = "armar --create";
objectsLinkLine = ar_cmd + " " + var("DEST_TARGET") + " --via " + escapeFilePath(ar_script_file);
} else {
// Strip off any options since the ar commands will be read from file.
QString ar_cmd = var("QMAKE_LIB").section(" ", 0, 0);;
if (ar_cmd.isEmpty())
ar_cmd = "ar";
createArObjectScriptFile(ar_script_file, var("DEST_TARGET"), project->values("OBJECTS"));
objectsLinkLine = ar_cmd + " -M < " + escapeFilePath(ar_script_file);
}
} else {
QString ld_script_file = var("QMAKE_LINK_OBJECT_SCRIPT") + "." + var("TARGET");
if (!var("BUILD_NAME").isEmpty()) {
ld_script_file += "." + var("BUILD_NAME");
}
if (project->isActiveConfig("rvct_linker")) {
createRvctObjectScriptFile(ld_script_file, project->values("OBJECTS"));
objectsLinkLine = QString::fromLatin1("--via ") + escapeFilePath(ld_script_file);
} else {
createLdObjectScriptFile(ld_script_file, project->values("OBJECTS"));
objectsLinkLine = escapeFilePath(ld_script_file);
}
}
Win32MakefileGenerator::writeObjectsPart(t);
}
void MingwMakefileGenerator::writeBuildRulesPart(QTextStream &t)
{
t << "first: all" << endl;
t << "all: " << escapeDependencyPath(fileFixify(Option::output.fileName())) << " " << valGlue(escapeDependencyPaths(project->values("ALL_DEPS"))," "," "," ") << " $(DESTDIR_TARGET)" << endl << endl;
t << "$(DESTDIR_TARGET): " << var("PRE_TARGETDEPS") << " $(OBJECTS) " << var("POST_TARGETDEPS");
if(!project->isEmpty("QMAKE_PRE_LINK"))
t << "\n\t" <<var("QMAKE_PRE_LINK");
if(project->isActiveConfig("staticlib") && project->first("TEMPLATE") == "lib") {
if (project->values("OBJECTS").count() < var("QMAKE_LINK_OBJECT_MAX").toInt()) {
t << "\n\t" << "$(LIB) $(DESTDIR_TARGET) " << objectsLinkLine << " " ;
} else {
t << "\n\t" << objectsLinkLine << " " ;
}
} else if (project->first("TEMPLATE") != "aux") {
t << "\n\t" << "$(LINK) $(LFLAGS) -o $(DESTDIR_TARGET) " << objectsLinkLine << " " << " $(LIBS)";
}
if(!project->isEmpty("QMAKE_POST_LINK"))
t << "\n\t" <<var("QMAKE_POST_LINK");
t << endl;
}
void MingwMakefileGenerator::writeRcFilePart(QTextStream &t)
{
const QString rc_file = fileFixify(project->first("RC_FILE").toQString());
QString incPathStr = fileInfo(rc_file).path();
if (incPathStr != "." && QDir::isRelativePath(incPathStr))
incPathStr.prepend("./");
if (!rc_file.isEmpty()) {
t << escapeDependencyPath(var("RES_FILE")) << ": " << rc_file << "\n\t"
<< var("QMAKE_RC") << " -i " << rc_file << " -o " << var("RES_FILE")
<< " --include-dir=" << incPathStr << " $(DEFINES)" << endl << endl;
}
}
QStringList &MingwMakefileGenerator::findDependencies(const QString &file)
{
QStringList &aList = MakefileGenerator::findDependencies(file);
// Note: The QMAKE_IMAGE_COLLECTION file have all images
// as dependency, so don't add precompiled header then
if (file == project->first("QMAKE_IMAGE_COLLECTION")
|| preCompHeaderOut.isEmpty())
return aList;
for (QStringList::Iterator it = Option::c_ext.begin(); it != Option::c_ext.end(); ++it) {
if (file.endsWith(*it)) {
QString cHeader = preCompHeaderOut + Option::dir_sep + "c";
if (!aList.contains(cHeader))
aList += cHeader;
break;
}
}
for (QStringList::Iterator it = Option::cpp_ext.begin(); it != Option::cpp_ext.end(); ++it) {
if (file.endsWith(*it)) {
QString cppHeader = preCompHeaderOut + Option::dir_sep + "c++";
if (!aList.contains(cppHeader))
aList += cppHeader;
break;
}
}
return aList;
}
QT_END_NAMESPACE
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