diff --git a/qmake/generators/win32/borland_bmake.cpp b/qmake/generators/win32/borland_bmake.cpp
index b7ca9c1a..41666e3a 100644
--- a/qmake/generators/win32/borland_bmake.cpp
+++ b/qmake/generators/win32/borland_bmake.cpp
@@ -386,7 +386,7 @@ BorlandMakefileGenerator::init()
     if(project->isEmpty("QMAKE_INSTALL_DIR"))
 	project->variables()["QMAKE_INSTALL_DIR"].append("$(COPY_DIR)");
 
-    bool is_qt = (project->first("TARGET") == "qt"TQTDLL_POSTFIX || project->first("TARGET") == "qtmt"TQTDLL_POSTFIX);
+    bool is_qt = (project->first("TARGET") == "qt" TQTDLL_POSTFIX || project->first("TARGET") == "qtmt" TQTDLL_POSTFIX);
     TQStringList &configs = project->variables()["CONFIG"];
     if (project->isActiveConfig("shared"))
 	project->variables()["DEFINES"].append("QT_DLL");
diff --git a/qmake/generators/win32/mingw_make.cpp b/qmake/generators/win32/mingw_make.cpp
index 06cc0f76..a082a4aa 100644
--- a/qmake/generators/win32/mingw_make.cpp
+++ b/qmake/generators/win32/mingw_make.cpp
@@ -397,7 +397,7 @@ MingwMakefileGenerator::init()
     if(project->isEmpty("QMAKE_INSTALL_DIR"))
 	project->variables()["QMAKE_INSTALL_DIR"].append("$(COPY_DIR)");
 
-    bool is_qt = (project->first("TARGET") == "qt"TQTDLL_POSTFIX || project->first("TARGET") == "tqt-mt"TQTDLL_POSTFIX);
+    bool is_qt = (project->first("TARGET") == "qt" TQTDLL_POSTFIX || project->first("TARGET") == "tqt-mt" TQTDLL_POSTFIX);
     project->variables()["QMAKE_ORIG_TARGET"] = project->variables()["TARGET"];
 
     // LIBS defined in Profile comes first for gcc
diff --git a/qmake/generators/win32/msvc_dsp.cpp b/qmake/generators/win32/msvc_dsp.cpp
index 01000737..f28969be 100644
--- a/qmake/generators/win32/msvc_dsp.cpp
+++ b/qmake/generators/win32/msvc_dsp.cpp
@@ -623,7 +623,7 @@ DspMakefileGenerator::init()
     if ( project->variables()["QMAKESPEC"].isEmpty() )
 	project->variables()["QMAKESPEC"].append( getenv("QMAKESPEC") );
 
-    bool is_qt = (project->first("TARGET") == "qt"TQTDLL_POSTFIX || project->first("TARGET") == "tqt-mt"TQTDLL_POSTFIX);
+    bool is_qt = (project->first("TARGET") == "qt" TQTDLL_POSTFIX || project->first("TARGET") == "tqt-mt" TQTDLL_POSTFIX);
     project->variables()["QMAKE_ORIG_TARGET"] = project->variables()["TARGET"];
 
     TQStringList &configs = project->variables()["CONFIG"];
diff --git a/qmake/generators/win32/msvc_nmake.cpp b/qmake/generators/win32/msvc_nmake.cpp
index 2422a8a6..75138b6c 100644
--- a/qmake/generators/win32/msvc_nmake.cpp
+++ b/qmake/generators/win32/msvc_nmake.cpp
@@ -482,7 +482,7 @@ NmakeMakefileGenerator::init()
     if(project->isEmpty("QMAKE_INSTALL_DIR"))
 	project->variables()["QMAKE_INSTALL_DIR"].append("$(COPY_DIR)");
 
-    bool is_qt = (project->first("TARGET") == "qt"TQTDLL_POSTFIX || project->first("TARGET") == "tqt-mt"TQTDLL_POSTFIX);
+    bool is_qt = (project->first("TARGET") == "qt" TQTDLL_POSTFIX || project->first("TARGET") == "tqt-mt" TQTDLL_POSTFIX);
     project->variables()["QMAKE_ORIG_TARGET"] = project->variables()["TARGET"];
 
     TQString targetfilename = project->variables()["TARGET"].first();
diff --git a/qmake/generators/win32/msvc_vcproj.cpp b/qmake/generators/win32/msvc_vcproj.cpp
index ae0657ac..625ccf37 100644
--- a/qmake/generators/win32/msvc_vcproj.cpp
+++ b/qmake/generators/win32/msvc_vcproj.cpp
@@ -459,8 +459,8 @@ void VcprojGenerator::init()
 
     // Are we building TQt?
     bool is_qt =
-	( project->first("TARGET") == "qt"TQTDLL_POSTFIX ||
-	  project->first("TARGET") == "tqt-mt"TQTDLL_POSTFIX );
+	( project->first("TARGET") == "qt" TQTDLL_POSTFIX ||
+	  project->first("TARGET") == "tqt-mt" TQTDLL_POSTFIX );
 
     // Are we using TQt?
     bool isTQtActive = project->isActiveConfig("qt");
@@ -1097,8 +1097,8 @@ void VcprojGenerator::initOld()
 	project->variables()["QMAKESPEC"].append( getenv("QMAKESPEC") );
 
     bool is_qt =
-	( project->first("TARGET") == "qt"TQTDLL_POSTFIX ||
-	  project->first("TARGET") == "tqt-mt"TQTDLL_POSTFIX );
+	( project->first("TARGET") == "qt" TQTDLL_POSTFIX ||
+	  project->first("TARGET") == "tqt-mt" TQTDLL_POSTFIX );
 
    TQStringList &configs = project->variables()["CONFIG"];
 
diff --git a/src/kernel/ntqgplugin.h b/src/kernel/ntqgplugin.h
index f4fb7d78..135e6b81 100644
--- a/src/kernel/ntqgplugin.h
+++ b/src/kernel/ntqgplugin.h
@@ -81,10 +81,10 @@
 #ifndef Q_PLUGIN_VERIFICATION_DATA
 #  define Q_PLUGIN_VERIFICATION_DATA \
 	static const char *qt_ucm_verification_data =			\
-            "pattern=""QT_UCM_VERIFICATION_DATA""\n"			\
-            "version="TQT_VERSION_STR"\n"				\
-            "flags="Q_PLUGIN_FLAGS_STRING"\n"				\
-	    "buildkey="TQT_BUILD_KEY"\0";
+            "pattern=" "QT_UCM_VERIFICATION_DATA" "\n"			\
+            "version=" TQT_VERSION_STR "\n"				\
+            "flags=" Q_PLUGIN_FLAGS_STRING "\n"				\
+	    "buildkey=" TQT_BUILD_KEY "\0";
 #endif // Q_PLUGIN_VERIFICATION_DATA
 
 #define Q_PLUGIN_INSTANTIATE( IMPLEMENTATION )	\
diff --git a/src/tools/qcom_p.h b/src/tools/qcom_p.h
index d59017ca..f3338ca0 100644
--- a/src/tools/qcom_p.h
+++ b/src/tools/qcom_p.h
@@ -296,10 +296,10 @@ public:		   \
 #ifndef Q_UCM_VERIFICATION_DATA
 #  define Q_UCM_VERIFICATION_DATA \
 	static const char *qt_ucm_verification_data =			\
-            "pattern=""QT_UCM_VERIFICATION_DATA""\n"			\
-            "version="TQT_VERSION_STR"\n"				\
-            "flags="Q_UCM_FLAGS_STRING"\n"				\
-	    "buildkey="TQT_BUILD_KEY"\0";
+            "pattern=" "QT_UCM_VERIFICATION_DATA" "\n"			\
+            "version=" TQT_VERSION_STR "\n"				\
+            "flags=" Q_UCM_FLAGS_STRING "\n"				\
+	    "buildkey=" TQT_BUILD_KEY "\0";
 #endif // Q_UCM_VERIFICATION_DATA
 
 // This macro expands to the default implementation of ucm_instantiate.