--- qt-x11-free/qmake/generators/unix/unixmake2.cpp
+++ qt-x11-free/qmake/generators/unix/unixmake2.cpp
@@ -1334,6 +1334,7 @@ void UnixMakefileGenerator::init2()
 	project->variables()["QMAKE_CFLAGS"] += project->variables()["QMAKE_CFLAGS_APP"];
 	project->variables()["QMAKE_CXXFLAGS"] += project->variables()["QMAKE_CXXFLAGS_APP"];
 	project->variables()["QMAKE_LFLAGS"] += project->variables()["QMAKE_LFLAGS_APP"];
+	project->variables()["QMAKE_LFLAGS"] += project->variables()["QMAKE_CXXFLAGS"];
     } else if ( project->isActiveConfig("dll") ) {
 	if( !project->isActiveConfig("plugin") || !project->isActiveConfig("plugin_no_share_shlib_cflags")) {
 	    project->variables()["QMAKE_CFLAGS"] += project->variables()["QMAKE_CFLAGS_SHLIB"];
@@ -1365,6 +1366,7 @@ void UnixMakefileGenerator::init2()
 	    if(!project->isActiveConfig("compile_libtool"))
 		project->variables()["QMAKE_LFLAGS"] += project->variables()["QMAKE_LFLAGS_SONAME"];
 	}
+	project->variables()["QMAKE_LFLAGS"] += project->variables()["QMAKE_CXXFLAGS"];
 	QString destdir = project->first("DESTDIR");
 	if ( !destdir.isEmpty() && !project->variables()["QMAKE_RPATH"].isEmpty() ) {
 	    QString rpath_destdir = destdir;