Hi, One more question, which target should be built with the option -fPIE or -fPIC? The libclang so? The ClangCodeModel plugin? The QtCreator IDE? Or my own project edited by QtCreator?
On Tue, Jan 14, 2014 at 4:47 PM, Bernhard Seßler < [email protected]> wrote: > Hi, > > as far as I can see, you've got another problem: the binaries from > qt-project.org were configured with the -reduce-relocations switch (and > thus > build with the -fPIC compiler switch), which means that your executable / > library also must be compiled with position independent code activated > (see: > http://en.wikipedia.org/wiki/Position-independent_code). > > All in all it's just adding the -fPIE (when building an executable) or > -fPIC > command line switch (when building a library) to the compiler arguments > (in case > you're using gcc). > > E.g. using CMake as build system (>= 2.8.9), it's as simple as: > > set(CMAKE_POSITION_INDEPENDENT_CODE ON) > > to enable generating position independent code for all top level targets, > or > > set_target_properties(<target> PROPERTIES POSITION_INDEPENDENT_CODE ON) > > to enable it only for the given <target>. > > > Regards, > Bernhard > > On 14.01.2014 01:56, Yang Fan wrote: > > Hi, > > > > I have dumpped the error messages, seemly it's caused by the Qt 5.2 > > binaries. I'm using the binaries downloaded from > > http://qt-project.org/downloads. > > > > *** Reparse for highlighting took 481 ms. > > "error" "/home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtCore/qglobal.h" > > [996:4(33790)] ""You must build your code with position independent code > if > > Qt was built with -reduce-relocations. " "Compile your code with > > -fPIC or -fPIE." > > in file included from /home/tvu/Shareware/istkani/src/main.cpp:1: > > in file included from /home/tvu/Shareware/istkani/src/main.cpp:1: > > in file included from > > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtWidgets/QApplication:1: > > in file included from > > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtWidgets/qapplication.h:45: > > in file included from > > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtCore/qcoreapplication.h:45:" > > "error" "/opt/intel/composer_xe_2013.0.079/compiler/include/math.h" > > [27:3(742)] ""This Intel <math.h> is for use with only the Intel > compilers!" > > in file included from /home/tvu/Shareware/istkani/src/main.cpp:1: > > in file included from /home/tvu/Shareware/istkani/src/main.cpp:4: > > in file included from > > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtQml/QtQml:3: > > in file included from > > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtQml/QtQmlDepends:2: > > in file included from > > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtCore/QtCore:65: > > in file included from > > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtCore/qmath.h:49:" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [46:5(1373)] "no > member > > named 'QDir' in 'QFont'" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [57:10(1716)] "use of > > undeclared identifier 'dir'; did you mean 'div'? > > 'div' declared here" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [57:10(1716)] "member > > reference base type 'div_t (int, int) throw()' is not a structure or > union" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [57:14(1720)] "member > > reference base type 'div_t (int, int) throw()' is not a structure or > union" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [59:9(1792)] "use of > > undeclared identifier 'dir'; did you mean 'div'? > > 'div' declared here" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [59:9(1792)] "member > > reference base type 'div_t (int, int) throw()' is not a structure or > union" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [59:13(1796)] "member > > reference base type 'div_t (int, int) throw()' is not a structure or > union" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [60:9(1812)] "use of > > undeclared identifier 'dir'; did you mean 'div'? > > 'div' declared here" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [60:9(1812)] "member > > reference base type 'div_t (int, int) throw()' is not a structure or > union" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [60:13(1816)] "member > > reference base type 'div_t (int, int) throw()' is not a structure or > union" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [61:28(1872)] "use of > > undeclared identifier 'dir'; did you mean 'div'? > > 'div' declared here" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [61:28(1872)] "member > > reference base type 'div_t (int, int) throw()' is not a structure or > union" > > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [61:32(1876)] "member > > reference base type 'div_t (int, int) throw()' is not a structure or > union" > > *** Highlighting took 491 ms in total. > > *** Fast re-indexing took 0 ms in total. > > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtCore/qglobal.h:996:4: error: > "You > > must build your code with position independent code if Qt was built with > > -reduce-relocations. " "Compile your code with -fPIC or -fPIE." > > /opt/intel/composer_xe_2013.0.079/compiler/include/math.h:27:3: error: > > "This Intel <math.h> is for use with only the Intel compilers!" > > /home/tvu/Shareware/istkani/src/main.cpp:48:5: error: no member named > > 'QDir' in 'QFont' > > /home/tvu/Shareware/istkani/src/main.cpp:57:10: error: use of undeclared > > identifier 'dir' > > /home/tvu/Shareware/istkani/src/main.cpp:59:9: error: use of undeclared > > identifier 'dir' > > /home/tvu/Shareware/istkani/src/main.cpp:60:9: error: use of undeclared > > identifier 'dir' > > /home/tvu/Shareware/istkani/src/main.cpp:61:28: error: use of undeclared > > identifier 'dir' > > ... Completion done in 3313 ms, with 146 items. > > > > > > > > On Mon, Jan 13, 2014 at 6:07 PM, Erik Verbruggen > > <[email protected]>wrote: > > > >> On 11-1-2014 3:07, Yang Fan wrote: > >> > Hi, > >> > > >> > I have built the ClangCodeModel plugin successfully with Qt5.2 on Mac > OS > >> > X 10.9 and on Debian Wheezy, but after I enabled the plugin and > selected > >> > the Code Model in Preference dialog, the code completion feature > doesn't > >> > work. When I typed a dot follows an object name, no candidate list > >> > appears. Any suggestion? > >> > >> Can you run with the environment variable QTC_CLANG_VERBOSE set (value > >> doesn't matter), and check stdout? That should show the libclang > >> invocations plus any errors while parsing. > >> > >> -- Erik. > >> > >> _______________________________________________ > >> Qt-creator mailing list > >> [email protected] > >> http://lists.qt-project.org/mailman/listinfo/qt-creator > >> > > > > > > > > > > > > _______________________________________________ > > Qt-creator mailing list > > [email protected] > > http://lists.qt-project.org/mailman/listinfo/qt-creator > > > _______________________________________________ > Qt-creator mailing list > [email protected] > http://lists.qt-project.org/mailman/listinfo/qt-creator > -- Regards, Fan Yang
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