Looks right to me. /s/ Adam
On Sun, Dec 20, 2009 at 3:10 PM, Paul Smith <phh...@gmail.com> wrote: > Tried that. Does the following seem correct to you? > > ----------------------------------------------- > Running build steps for project exp... > Configuration unchanged, skipping QMake step. > Starting: /usr/bin/make -w > make: Entering directory `/home/psmith/exp' > g++ -c -pipe -O3 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 > -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -Wall > -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB > -I/usr/lib64/qt4/mkspecs/linux-g++ -I. -I/usr/include/QtCore > -I/usr/include/QtGui -I/usr/include -I. -o exp.o exp.cpp > exp.cpp: In function 'int main()': > exp.cpp:17: warning: unused variable 'ngen' > g++ -Wl,-O1 -o exp exp.o -lQtGui -lQtCore -lpthread > make: Leaving directory `/home/psmith/exp' > Exited with code 0. > ----------------------------------------------- > > Paul > > > On Sun, Dec 20, 2009 at 8:14 PM, Coda Highland <c...@bobandgeorge.com> wrote: >> The -O1 is just a linker flag. The -O3 -O2 is a problem; try: >> QMAKE_CXXFLAGS_DEBUG -= -O2 >> QMAKE_CXXFLAGS_RELEASE -= -O2 >> >> On Sun, Dec 20, 2009 at 1:35 PM, Paul Smith <phh...@gmail.com> wrote: >>> I have just done as you suggested, and getting the following: >>> >>> ----------------------------------------------- >>> Running build steps for project exp... >>> Configuration unchanged, skipping QMake step. >>> Starting: /usr/bin/make -w >>> make: Entering directory `/home/psmith/exp' >>> g++ -c -pipe -O3 -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 >>> -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -Wall >>> -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB >>> -I/usr/lib64/qt4/mkspecs/linux-g++ -I. -I/usr/include/QtCore >>> -I/usr/include/QtGui -I/usr/include -I. -o exp.o exp.cpp >>> exp.cpp: In function 'int main()': >>> exp.cpp:17: warning: unused variable 'ngen' >>> g++ -Wl,-O1 -o exp exp.o -lQtGui -lQtCore -lpthread >>> make: Leaving directory `/home/psmith/exp' >>> Exited with code 0. >>> ----------------------------------------------- >>> >>> Is it now correct? It appears -O1, -O2 and -O3. >>> >>> Paul >>> >>> >>> On Sun, Dec 20, 2009 at 6:18 PM, Coda Highland <c...@bobandgeorge.com> >>> wrote: >>>> That's because I'm an idiot and told you to use the wrong variable. >>>> Try QMAKE_CXXFLAGS. :P >>>> >>>> /s/ Adam >>>> >>>> On Sun, Dec 20, 2009 at 11:46 AM, Paul Smith <phh...@gmail.com> wrote: >>>>> Thanks again, Adam. I did as you suggested, but still getting -O2: >>>>> >>>>> ----------------------------------------------- >>>>> Running build steps for project exp... >>>>> Configuration unchanged, skipping QMake step. >>>>> Starting: /usr/bin/make -w >>>>> make: Entering directory `/home/psmith/exp' >>>>> g++ -c -pipe -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 >>>>> -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -Wall >>>>> -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB >>>>> -I/usr/lib64/qt4/mkspecs/linux-g++ -I. -I/usr/include/QtCore >>>>> -I/usr/include/QtGui -I/usr/include -I. -o exp.o exp.cpp >>>>> exp.cpp: In function 'int main()': >>>>> exp.cpp:17: warning: unused variable 'ngen' >>>>> g++ -O3 -Wl,-O1 -o exp exp.o -lQtGui -lQtCore -lpthread >>>>> make: Leaving directory `/home/psmith/exp' >>>>> Exited with code 0. >>>>> ----------------------------------------------- >>>>> >>>>> Paul >>>>> >>>>> >>>>> >>>>> On Sun, Dec 20, 2009 at 2:36 AM, Coda Highland <c...@bobandgeorge.com> >>>>> wrote: >>>>>> This is really a qmake question, since it's qmake that controls this. >>>>>> >>>>>> In your .pro file, use something like: >>>>>> QMAKE_LFLAGS -= -O2 >>>>>> QMAKE_LFLAGS += -O3 >>>>>> >>>>>> /s/ Adam >>>>>> >>>>>> On Sat, Dec 19, 2009 at 6:38 PM, Paul Smith <phh...@gmail.com> wrote: >>>>>>> Thanks, Adam. I was thinking about the option -O3. How can one force >>>>>>> qt-creator to use -O3? >>>>>>> >>>>>>> Paul >>>>>>> >>>>>>> >>>>>>> On Sun, Dec 20, 2009 at 12:31 AM, Coda Highland <c...@bobandgeorge.com> >>>>>>> wrote: >>>>>>>> On Linux, it uses -O2 by default in release mode if I recall >>>>>>>> correctly, so it already is. >>>>>>>> >>>>>>>> /s/ Adam >>>>>>>> >>>>>>>> On Sat, Dec 19, 2009 at 5:46 PM, Paul Smith <phh...@gmail.com> wrote: >>>>>>>>> Dear All, >>>>>>>>> >>>>>>>>> I am new to qt-creator, and I am using it mainly to write my C++ >>>>>>>>> programs on a Linux machine (Fedora 12). Basically, my projects are >>>>>>>>> "Empty Qt4" ones. >>>>>>>>> >>>>>>>>> My question is: how can one configure qt-creator for optimizing for >>>>>>>>> speed the C++ programs edited with qt-creator? >>>>>>>>> >>>>>>>>> Thanks in advance, >>>>>>>>> >>>>>>>>> Paul >>>>>>>>> _______________________________________________ >>>>>>>>> Qt-creator mailing list >>>>>>>>> Qt-creator@trolltech.com >>>>>>>>> http://lists.trolltech.com/mailman/listinfo/qt-creator >>>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> Qt-creator mailing list >>>>>>>> Qt-creator@trolltech.com >>>>>>>> http://lists.trolltech.com/mailman/listinfo/qt-creator >>>>>>>> >>>>>>> _______________________________________________ >>>>>>> Qt-creator mailing list >>>>>>> Qt-creator@trolltech.com >>>>>>> http://lists.trolltech.com/mailman/listinfo/qt-creator >>>>>>> >>>>>> _______________________________________________ >>>>>> Qt-creator mailing list >>>>>> Qt-creator@trolltech.com >>>>>> http://lists.trolltech.com/mailman/listinfo/qt-creator >>>>>> >>>>> _______________________________________________ >>>>> Qt-creator mailing list >>>>> Qt-creator@trolltech.com >>>>> http://lists.trolltech.com/mailman/listinfo/qt-creator >>>>> >>>> _______________________________________________ >>>> Qt-creator mailing list >>>> Qt-creator@trolltech.com >>>> http://lists.trolltech.com/mailman/listinfo/qt-creator >>>> >>> _______________________________________________ >>> Qt-creator mailing list >>> Qt-creator@trolltech.com >>> http://lists.trolltech.com/mailman/listinfo/qt-creator >>> >> _______________________________________________ >> Qt-creator mailing list >> Qt-creator@trolltech.com >> http://lists.trolltech.com/mailman/listinfo/qt-creator >> > > _______________________________________________ > Qt-creator mailing list > Qt-creator@trolltech.com > http://lists.trolltech.com/mailman/listinfo/qt-creator > _______________________________________________ Qt-creator mailing list Qt-creator@trolltech.com http://lists.trolltech.com/mailman/listinfo/qt-creator
