merge processPrlFiles() into findLibraries()

seems pointless to tear apart the functions, on the way duplicating some
boilerplate.

Change-Id: Ide3697ca1c931e8de607ac48c21cecce4781fe13
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>

8 files changed, 121 insertions, 161 deletions

diff --git a/qmake/generators/makefile.cpp b/qmake/generators/makefile.cpp
index 4a03fafd77..0d7571341a 100644
--- a/qmake/generators/makefile.cpp
+++ b/qmake/generators/makefile.cpp
@@ -252,10 +252,12 @@ MakefileGenerator::setProjectFile(QMakeProject *p)
     else
         target_mode = TARG_UNIX_MODE;
     init();
-    findLibraries();
-    if(Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE &&
-       project->isActiveConfig("link_prl")) //load up prl's'
-        processPrlFiles();
+    bool linkPrl = (Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE)
+                   && project->isActiveConfig("link_prl");
+    bool mergeLflags = linkPrl
+                       && !project->isActiveConfig("no_smart_library_merge")
+                       && !project->isActiveConfig("no_lflags_merge");
+    findLibraries(linkPrl, mergeLflags);
 }
 
 ProStringList
@@ -944,12 +946,6 @@ MakefileGenerator::filterIncludedFiles(const char *var)
     }
 }
 
-void
-MakefileGenerator::processPrlFiles()
-{
-    qFatal("MakefileGenerator::processPrlFiles() called!");
-}
-
 static QString
 qv(const ProString &val)
 {
diff --git a/qmake/generators/makefile.h b/qmake/generators/makefile.h
index 07483dbcb0..8aec360147 100644
--- a/qmake/generators/makefile.h
+++ b/qmake/generators/makefile.h
@@ -197,11 +197,10 @@ protected:
     QString prlFileName(bool fixify=true);
     void writePrlFile();
     bool processPrlFile(QString &);
-    virtual void processPrlFiles();
     virtual void writePrlFile(QTextStream &);
 
     //make sure libraries are found
-    virtual bool findLibraries();
+    virtual bool findLibraries(bool linkPrl, bool mergeLflags);
 
     //for retrieving values and lists of values
     virtual QString var(const ProKey &var) const;
@@ -276,7 +275,7 @@ inline bool MakefileGenerator::noIO() const
 inline QString MakefileGenerator::defaultInstall(const QString &)
 { return QString(""); }
 
-inline bool MakefileGenerator::findLibraries()
+inline bool MakefileGenerator::findLibraries(bool, bool)
 { return true; }
 
 inline MakefileGenerator::~MakefileGenerator()
diff --git a/qmake/generators/unix/unixmake.cpp b/qmake/generators/unix/unixmake.cpp
index 25f686646b..288bd6e498 100644
--- a/qmake/generators/unix/unixmake.cpp
+++ b/qmake/generators/unix/unixmake.cpp
@@ -375,12 +375,14 @@ UnixMakefileGenerator::fixLibFlag(const ProString &lib)
 }
 
 bool
-UnixMakefileGenerator::findLibraries()
+UnixMakefileGenerator::findLibraries(bool linkPrl, bool mergeLflags)
 {
-    QList<QMakeLocalFileName> libdirs;
-    int libidx = 0;
+    QList<QMakeLocalFileName> libdirs, frameworkdirs;
+    int libidx = 0, fwidx = 0;
     foreach (const ProString &dlib, project->values("QMAKE_DEFAULT_LIBDIRS"))
         libdirs.append(QMakeLocalFileName(dlib.toQString()));
+    frameworkdirs.append(QMakeLocalFileName("/System/Library/Frameworks"));
+    frameworkdirs.append(QMakeLocalFileName("/Library/Frameworks"));
     static const char * const lflags[] = { "QMAKE_LIBS", "QMAKE_LIBS_PRIVATE", 0 };
     for (int i = 0; lflags[i]; i++) {
         ProStringList &l = project->values(lflags[i]);
@@ -398,94 +400,58 @@ UnixMakefileGenerator::findLibraries()
                     libdirs.insert(libidx++, f);
                 } else if(opt.startsWith("-l")) {
                     QString lib = opt.mid(2);
-                    bool found = false;
                     ProStringList extens;
                     extens << project->first("QMAKE_EXTENSION_SHLIB") << "a";
-                    for (ProStringList::Iterator extit = extens.begin(); extit != extens.end(); ++extit) {
-                        for (QList<QMakeLocalFileName>::Iterator dep_it = libdirs.begin();
-                             dep_it != libdirs.end(); ++dep_it) {
-                            QString pathToLib = ((*dep_it).local() + '/'
-                                    + project->first("QMAKE_PREFIX_SHLIB")
-                                    + lib + '.' + (*extit));
-                            if (exists(pathToLib)) {
-                                found = true;
-                                break;
-                            }
+                    for (QList<QMakeLocalFileName>::Iterator dep_it = libdirs.begin();
+                         dep_it != libdirs.end(); ++dep_it) {
+                        QString libBase = (*dep_it).local() + '/'
+                                + project->first("QMAKE_PREFIX_SHLIB") + lib;
+                        if (linkPrl && processPrlFile(libBase))
+                            goto found;
+                        for (ProStringList::Iterator extit = extens.begin(); extit != extens.end(); ++extit) {
+                            if (exists(libBase + '.' + (*extit)))
+                                goto found;
                         }
                     }
-                } else if (target_mode == TARG_MAC_MODE && opt.startsWith("-framework")) {
-                    if (opt.length() == 10)
-                        ++it;
-                    // Skip
-                }
-            }
-            ++it;
-        }
-    }
-    return false;
-}
-
-void
-UnixMakefileGenerator::processPrlFiles()
-{
-    QList<QMakeLocalFileName> libdirs, frameworkdirs;
-    int libidx = 0, fwidx = 0;
-    foreach (const ProString &dlib, project->values("QMAKE_DEFAULT_LIBDIRS"))
-        libdirs.append(QMakeLocalFileName(dlib.toQString()));
-    frameworkdirs.append(QMakeLocalFileName("/System/Library/Frameworks"));
-    frameworkdirs.append(QMakeLocalFileName("/Library/Frameworks"));
-    static const char * const lflags[] = { "QMAKE_LIBS", "QMAKE_LIBS_PRIVATE", 0 };
-    for (int i = 0; lflags[i]; i++) {
-        ProStringList &l = project->values(lflags[i]);
-        for(int lit = 0; lit < l.size(); ++lit) {
-            QString opt = l.at(lit).toQString();
-            if(opt.startsWith("-")) {
-                if (opt.startsWith("-L")) {
-                    QMakeLocalFileName l(opt.mid(2));
-                    if(!libdirs.contains(l))
-                       libdirs.insert(libidx++, l);
-                } else if(opt.startsWith("-l")) {
-                    QString lib = opt.right(opt.length() - 2);
-                    for(int dep_i = 0; dep_i < libdirs.size(); ++dep_i) {
-                        QString prl = libdirs[dep_i].local() + '/'
-                                      + project->first("QMAKE_PREFIX_SHLIB") + lib;
-                        if (processPrlFile(prl))
-                            break;
-                    }
+                  found: ;
                 } else if (target_mode == TARG_MAC_MODE && opt.startsWith("-F")) {
-                    QMakeLocalFileName f(opt.right(opt.length()-2));
-                    if(!frameworkdirs.contains(f))
+                    QMakeLocalFileName f(opt.mid(2));
+                    if (!frameworkdirs.contains(f))
                         frameworkdirs.insert(fwidx++, f);
                 } else if (target_mode == TARG_MAC_MODE && opt.startsWith("-framework")) {
-                    if(opt.length() > 11)
-                        opt = opt.mid(11).trimmed();
-                    else
-                        opt = l.at(++lit).toQString();
-                    foreach (const QMakeLocalFileName &dir, frameworkdirs) {
-                        QString prl = dir.local() + "/" + opt + ".framework/" + opt + Option::prl_ext;
-                        if(processPrlFile(prl))
-                            break;
+                    if (linkPrl) {
+                        if (opt.length() == 10)
+                            opt = (*++it).toQString();
+                        else
+                            opt = opt.mid(10).trimmed();
+                        foreach (const QMakeLocalFileName &dir, frameworkdirs) {
+                            QString prl = dir.local() + "/" + opt + ".framework/" + opt + Option::prl_ext;
+                            if (processPrlFile(prl))
+                                break;
+                        }
+                    } else {
+                        if (opt.length() == 10)
+                            ++it;
+                        // Skip
                     }
                 }
-            } else if(!opt.isNull()) {
+            } else if (linkPrl) {
                 processPrlFile(opt);
             }
 
             ProStringList &prl_libs = project->values("QMAKE_CURRENT_PRL_LIBS");
-            if(!prl_libs.isEmpty()) {
-                for(int prl = 0; prl < prl_libs.size(); ++prl)
-                    l.insert(++lit, prl_libs.at(prl));
-                prl_libs.clear();
-            }
+            for (int prl = 0; prl < prl_libs.size(); ++prl)
+                it = l.insert(++it, prl_libs.at(prl));
+            prl_libs.clear();
+            ++it;
         }
 
-        //merge them into a logical order
-        if(!project->isActiveConfig("no_smart_library_merge") && !project->isActiveConfig("no_lflags_merge")) {
+        if (mergeLflags) {
             QHash<ProKey, ProStringList> lflags;
             for(int lit = 0; lit < l.size(); ++lit) {
                 ProKey arch("default");
                 ProString opt = l.at(lit);
-                if(opt.startsWith("-")) {
+                if (opt.startsWith('-')) {
                     if (target_mode == TARG_MAC_MODE && opt.startsWith("-Xarch")) {
                         if (opt.length() > 7) {
                             arch = opt.mid(7).toKey();
@@ -493,21 +459,20 @@ UnixMakefileGenerator::processPrlFiles()
                         }
                     }
 
-                    if (opt.startsWith("-L") ||
-                       (target_mode == TARG_MAC_MODE && opt.startsWith("-F"))) {
-                        if(!lflags[arch].contains(opt))
+                    if (opt.startsWith("-L")
+                        || (target_mode == TARG_MAC_MODE && opt.startsWith("-F"))) {
+                        if (!lflags[arch].contains(opt))
                             lflags[arch].append(opt);
-                    } else if(opt.startsWith("-l") || opt == "-pthread") {
-                        // Make sure we keep the dependency-order of libraries
-                        if (lflags[arch].contains(opt))
-                            lflags[arch].removeAll(opt);
+                    } else if (opt.startsWith("-l") || opt == "-pthread") {
+                        // Make sure we keep the dependency order of libraries
+                        lflags[arch].removeAll(opt);
                         lflags[arch].append(opt);
                     } else if (target_mode == TARG_MAC_MODE && opt.startsWith("-framework")) {
-                        if(opt.length() > 11)
-                            opt = opt.mid(11);
-                        else {
+                        if (opt.length() > 10) {
+                            opt = opt.mid(10).trimmed();
+                        } else {
                             opt = l.at(++lit);
-                            if (target_mode == TARG_MAC_MODE && opt.startsWith("-Xarch"))
+                            if (opt.startsWith("-Xarch"))
                                 opt = l.at(++lit); // The user has done the right thing and prefixed each part
                         }
                         bool found = false;
@@ -544,6 +509,7 @@ UnixMakefileGenerator::processPrlFiles()
             }
         }
     }
+    return false;
 }
 
 QString
diff --git a/qmake/generators/unix/unixmake.h b/qmake/generators/unix/unixmake.h
index b136ea04d0..db3f59f517 100644
--- a/qmake/generators/unix/unixmake.h
+++ b/qmake/generators/unix/unixmake.h
@@ -54,9 +54,8 @@ protected:
     virtual bool doDepends() const { return !Option::mkfile::do_stub_makefile && MakefileGenerator::doDepends(); }
     virtual QString defaultInstall(const QString &);
     virtual ProString fixLibFlag(const ProString &lib);
-    virtual void processPrlFiles();
 
-    virtual bool findLibraries();
+    virtual bool findLibraries(bool linkPrl, bool mergeLflags);
     virtual QString escapeFilePath(const QString &path) const;
     ProString escapeFilePath(const ProString &path) const { return MakefileGenerator::escapeFilePath(path); }
     virtual QStringList &findDependencies(const QString &);
diff --git a/qmake/generators/win32/mingw_make.cpp b/qmake/generators/win32/mingw_make.cpp
index 506aff5c6f..f8b19b3785 100644
--- a/qmake/generators/win32/mingw_make.cpp
+++ b/qmake/generators/win32/mingw_make.cpp
@@ -33,7 +33,6 @@
 
 #include "mingw_make.h"
 #include "option.h"
-#include "meta.h"
 
 #include <proitems.h>
 
@@ -68,7 +67,7 @@ ProString MingwMakefileGenerator::fixLibFlag(const ProString &lib)
     return escapeFilePath(lib);
 }
 
-bool MingwMakefileGenerator::findLibraries()
+bool MingwMakefileGenerator::findLibraries(bool linkPrl, bool mergeLflags)
 {
     QList<QMakeLocalFileName> dirs;
   static const char * const lflags[] = { "QMAKE_LIBS", "QMAKE_LIBS_PRIVATE", 0 };
@@ -78,15 +77,16 @@ bool MingwMakefileGenerator::findLibraries()
     while (it != l.end()) {
         if ((*it).startsWith("-l")) {
             QString steam = (*it).mid(2).toQString();
-            ProString out;
+            QString out;
             for (QList<QMakeLocalFileName>::Iterator dir_it = dirs.begin(); dir_it != dirs.end(); ++dir_it) {
                 QString extension;
                 int ver = findHighestVersion((*dir_it).local(), steam);
                 if (ver > 0)
                     extension += QString::number(ver);
-                if (QMakeMetaInfo::libExists((*dir_it).local() + '/' + steam)
-                    || exists((*dir_it).local() + '/' + steam + extension + ".a")
-                    || exists((*dir_it).local() + '/' + steam + extension + ".dll.a")) {
+                QString libBase = (*dir_it).local() + '/' + steam;
+                if ((linkPrl && processPrlFile(libBase))
+                    || exists(libBase + extension + ".a")
+                    || exists(libBase + extension + ".dll.a")) {
                         out = *it + extension;
                         break;
                 }
@@ -97,10 +97,38 @@ bool MingwMakefileGenerator::findLibraries()
             QMakeLocalFileName f((*it).mid(2).toQString());
             dirs.append(f);
             *it = "-L" + f.real();
+        } else if (linkPrl && !(*it).startsWith('-')) {
+            QString prl = (*it).toQString();
+            if (!processPrlFile(prl) && QDir::isRelativePath(prl)) {
+                for (QList<QMakeLocalFileName>::Iterator dir_it = dirs.begin(); dir_it != dirs.end(); ++dir_it) {
+                    prl = (*dir_it).local() + '/' + *it;
+                    if (processPrlFile(prl))
+                        break;
+                }
+            }
         }
 
+        ProStringList &prl_libs = project->values("QMAKE_CURRENT_PRL_LIBS");
+        for (int prl = 0; prl < prl_libs.size(); ++prl)
+            it = l.insert(++it, prl_libs.at(prl));
+        prl_libs.clear();
         ++it;
     }
+    if (mergeLflags) {
+        ProStringList lopts;
+        for (int lit = 0; lit < l.size(); ++lit) {
+            ProString opt = l.at(lit);
+            if (opt.startsWith("-L")) {
+                if (!lopts.contains(opt))
+                    lopts.append(opt);
+            } else {
+                // Make sure we keep the dependency order of libraries
+                lopts.removeAll(opt);
+                lopts.append(opt);
+            }
+        }
+        l = lopts;
+    }
   }
     return true;
 }
diff --git a/qmake/generators/win32/mingw_make.h b/qmake/generators/win32/mingw_make.h
index 73018319bc..9a30bc8ea6 100644
--- a/qmake/generators/win32/mingw_make.h
+++ b/qmake/generators/win32/mingw_make.h
@@ -62,7 +62,7 @@ private:
 
     QString preCompHeaderOut;
 
-    virtual bool findLibraries();
+    virtual bool findLibraries(bool linkPrl, bool mergeLflags);
 
     QString objectsLinkLine;
 };
diff --git a/qmake/generators/win32/winmakefile.cpp b/qmake/generators/win32/winmakefile.cpp
index 3d511ea7e8..e5eee2ed90 100644
--- a/qmake/generators/win32/winmakefile.cpp
+++ b/qmake/generators/win32/winmakefile.cpp
@@ -87,7 +87,7 @@ ProString Win32MakefileGenerator::fixLibFlag(const ProString &lib)
 }
 
 bool
-Win32MakefileGenerator::findLibraries()
+Win32MakefileGenerator::findLibraries(bool linkPrl, bool mergeLflags)
 {
     QList<QMakeLocalFileName> dirs;
   static const char * const lflags[] = { "QMAKE_LIBS", "QMAKE_LIBS_PRIVATE", 0 };
@@ -123,8 +123,9 @@ Win32MakefileGenerator::findLibraries()
                     if(ver > 0)
                         extension += QString::number(ver);
                     extension += ".lib";
-                    if (QMakeMetaInfo::libExists((*it).local() + '/' + lib)
-                            || exists((*it).local() + '/' + lib + extension)) {
+                    QString libBase = (*it).local() + '/' + lib;
+                    if ((linkPrl && processPrlFile(libBase))
+                            || exists(libBase + extension)) {
                         out = (*it).real() + Option::dir_sep + lib + extension;
                         break;
                     }
@@ -133,67 +134,39 @@ Win32MakefileGenerator::findLibraries()
             if(out.isEmpty())
                 out = lib + ".lib";
             (*it) = out;
+        } else if (linkPrl && !processPrlFile(opt) && QDir::isRelativePath(opt)) {
+            for (QList<QMakeLocalFileName>::Iterator it = dirs.begin(); it != dirs.end(); ++it) {
+                QString prl = (*it).local() + '/' + opt;
+                if (processPrlFile(prl))
+                    break;
+            }
         }
+
+        ProStringList &prl_libs = project->values("QMAKE_CURRENT_PRL_LIBS");
+        for (int prl = 0; prl < prl_libs.size(); ++prl)
+            it = l.insert(++it, prl_libs.at(prl));
+        prl_libs.clear();
         ++it;
     }
-  }
-    return true;
-}
-
-void
-Win32MakefileGenerator::processPrlFiles()
-{
-    const QString libArg = project->first("QMAKE_L_FLAG").toQString();
-    QList<QMakeLocalFileName> libdirs;
-    static const char * const lflags[] = { "QMAKE_LIBS", "QMAKE_LIBS_PRIVATE", 0 };
-    for (int i = 0; lflags[i]; i++) {
-        ProStringList &l = project->values(lflags[i]);
+    if (mergeLflags) {
+        ProStringList lopts;
         for (int lit = 0; lit < l.size(); ++lit) {
-            QString opt = l.at(lit).toQString();
-            if (opt.startsWith(libArg)) {
-                QMakeLocalFileName l(opt.mid(libArg.length()));
-                if (!libdirs.contains(l))
-                    libdirs.append(l);
+            ProString opt = l.at(lit);
+            if (opt.startsWith("/LIBPATH:")) {
+                if (!lopts.contains(opt))
+                    lopts.append(opt);
             } else {
-                if (!processPrlFile(opt) && (QDir::isRelativePath(opt) || opt.startsWith("-l"))) {
-                    QString tmp;
-                    if (opt.startsWith("-l"))
-                        tmp = opt.mid(2);
-                    else
-                        tmp = opt;
-                    for(QList<QMakeLocalFileName>::Iterator it = libdirs.begin(); it != libdirs.end(); ++it) {
-                        QString prl = (*it).local() + '/' + tmp;
-                        if (processPrlFile(prl))
-                            break;
-                    }
-                }
-            }
-            ProStringList &prl_libs = project->values("QMAKE_CURRENT_PRL_LIBS");
-            for (int prl = 0; prl < prl_libs.size(); ++prl)
-                l.insert(++lit, prl_libs.at(prl));
-            prl_libs.clear();
-        }
-
-        // Merge them into a logical order
-        if (!project->isActiveConfig("no_smart_library_merge") && !project->isActiveConfig("no_lflags_merge")) {
-            ProStringList lflags;
-            for (int lit = 0; lit < l.size(); ++lit) {
-                ProString opt = l.at(lit);
-                if (opt.startsWith(libArg)) {
-                    if (!lflags.contains(opt))
-                        lflags.append(opt);
-                } else {
-                    // Make sure we keep the dependency-order of libraries
-                    lflags.removeAll(opt);
-                    lflags.append(opt);
-                }
+                // Make sure we keep the dependency order of libraries
+                lopts.removeAll(opt);
+                lopts.append(opt);
             }
-            l = lflags;
         }
+        l = lopts;
     }
+  }
+    return true;
 }
 
-
 void Win32MakefileGenerator::processVars()
 {
     project->values("QMAKE_ORIG_TARGET") = project->values("TARGET");
diff --git a/qmake/generators/win32/winmakefile.h b/qmake/generators/win32/winmakefile.h
index 25b555ec86..7698f13285 100644
--- a/qmake/generators/win32/winmakefile.h
+++ b/qmake/generators/win32/winmakefile.h
@@ -58,11 +58,10 @@ protected:
     virtual void writeRcFilePart(QTextStream &t);
 
     int findHighestVersion(const QString &dir, const QString &stem);
-    virtual bool findLibraries();
+    virtual bool findLibraries(bool linkPrl, bool mergeLflags);
 
     virtual ProString fixLibFlag(const ProString &lib);
 
-    virtual void processPrlFiles();
     void processVars();
     void fixTargetExt();
     void processRcFileVar();