Library wizard: Create export symbol correctly.

...if the directory contains a '-'. Export a function to generate
identifier correctly and use that.
Reviewed-by: con <qtc-committer@nokia.com>
Task-number: QTCREATORBUG-248

src/libs/utils/codegeneration.cpp

@@ -35,7 +35,7 @@
 
 namespace Utils {
 
-static QString toAlphaNum(const QString &s)
+QTCREATOR_UTILS_EXPORT QString fileNameToCppIdentifier(const QString &s)
 {
     QString rc;
     const int len = s.size();
@@ -55,9 +55,9 @@ static QString toAlphaNum(const QString &s)
 QTCREATOR_UTILS_EXPORT QString headerGuard(const QString &file)
 {
     const QFileInfo fi(file);
-    QString rc = toAlphaNum(fi.completeBaseName()).toUpper();
+    QString rc = fileNameToCppIdentifier(fi.completeBaseName()).toUpper();
     rc += QLatin1Char('_');
-    rc += toAlphaNum(fi.suffix()).toUpper();
+    rc += fileNameToCppIdentifier(fi.suffix()).toUpper();
     return rc;
 }
 

src/libs/utils/codegeneration.h

@@ -40,6 +40,10 @@ QT_END_NAMESPACE
 
 namespace Utils {
 
+// Convert a file name to a Cpp identifier (stripping invalid characters
+// or replacing them by an underscore).
+QTCREATOR_UTILS_EXPORT QString fileNameToCppIdentifier(const QString &s);
+
 QTCREATOR_UTILS_EXPORT QString headerGuard(const QString &file);
 
 QTCREATOR_UTILS_EXPORT

src/plugins/qt4projectmanager/wizards/qtprojectparameters.cpp

@@ -28,6 +28,7 @@
 **************************************************************************/
 
 #include "qtprojectparameters.h"
+#include <utils/codegeneration.h>
 
 #include <QtCore/QTextStream>
 #include <QtCore/QDir>
@@ -108,7 +109,7 @@ QString createMacro(const QString &name, const QString &suffix)
     if (extensionPosition != -1)
         rc.truncate(extensionPosition);
     rc += suffix;
-    return rc;
+    return Utils::fileNameToCppIdentifier(rc);
 }
 
 QString QtProjectParameters::exportMacro(const QString &projectName)