From 1f0e2e9825453fc0d8efa91b21afa8e8a9b4951f Mon Sep 17 00:00:00 2001 From: Olivier Goffart Date: Fri, 19 Feb 2010 13:39:56 +0100 Subject: Enable QT_USE_FAST_CONCATENATION by default for compiling Qt But disable it with GCC 4.0 as it is known to cause problems due to a compiler bug Reviewed-by: Joao Reviewed-by: hjk --- src/corelib/tools/qstring.h | 10 ++++++++++ src/qbase.pri | 1 + 2 files changed, 11 insertions(+) diff --git a/src/corelib/tools/qstring.h b/src/corelib/tools/qstring.h index 8de3c7d..a59c0bd 100644 --- a/src/corelib/tools/qstring.h +++ b/src/corelib/tools/qstring.h @@ -73,6 +73,16 @@ typedef std::basic_string QStdWString; #error qstring.h must be included before any header file that defines truncate #endif +#if defined(Q_CC_GNU) && (__GNUC__ == 4 && __GNUC_MINOR__ == 0) +//There is a bug in GCC 4.0 that tries to instantiate template of annonymous enum +# ifdef QT_USE_FAST_OPERATOR_PLUS +# undef QT_USE_FAST_OPERATOR_PLUS +# endif +# ifdef QT_USE_FAST_CONCATENATION +# undef QT_USE_FAST_CONCATENATION +# endif +#endif + QT_BEGIN_HEADER QT_BEGIN_NAMESPACE diff --git a/src/qbase.pri b/src/qbase.pri index ef5d9e5..835ed0e 100644 --- a/src/qbase.pri +++ b/src/qbase.pri @@ -157,6 +157,7 @@ contains(QT_PRODUCT, OpenSource.*):DEFINES *= QT_OPENSOURCE DEFINES *= QT_NO_CAST_TO_ASCII QT_ASCII_CAST_WARNINGS contains(QT_CONFIG, qt3support):DEFINES *= QT3_SUPPORT DEFINES *= QT_MOC_COMPAT #we don't need warnings from calling moc code in our generated code +DEFINES *= QT_USE_FAST_OPERATOR_PLUS QT_USE_FAST_CONCATENATION TARGET = $$qtLibraryTarget($$TARGET$$QT_LIBINFIX) #do this towards the end -- cgit v0.12