diff -up qt-x11-opensource-src-4.3.4/src/corelib/tools/qvector.h.BAD qt-x11-opensource-src-4.3.4/src/corelib/tools/qvector.h
--- qt-x11-opensource-src-4.3.4/src/corelib/tools/qvector.h.BAD	2008-05-17 21:05:34.000000000 -0400
+++ qt-x11-opensource-src-4.3.4/src/corelib/tools/qvector.h	2008-05-17 21:05:55.000000000 -0400
@@ -65,7 +65,7 @@ struct Q_CORE_EXPORT QVectorData
     QBasicAtomic ref;
     int alloc;
     int size;
-#if defined(Q_OS_SOLARIS) && defined(Q_CC_GNU) && defined(__LP64__) && defined(QT_BOOTSTRAPPED)
+#if defined(QT_ARCH_SPARC) && defined(Q_CC_GNU) && defined(__LP64__) && defined(QT_BOOTSTRAPPED)
     // workaround for bug in gcc 3.4.2
     uint sharable;
     uint capacity;
@@ -85,7 +85,7 @@ struct QVectorTypedData
     QBasicAtomic ref;
     int alloc;
     int size;
-#if defined(Q_OS_SOLARIS) && defined(Q_CC_GNU) && defined(__LP64__) && defined(QT_BOOTSTRAPPED)
+#if defined(QT_ARCH_SPARC) && defined(Q_CC_GNU) && defined(__LP64__) && defined(QT_BOOTSTRAPPED)
     // workaround for bug in gcc 3.4.2
     uint sharable;
     uint capacity;