Hi, your own project needs to be build with either -fPIC or -fPIE (as it's using the pre-built Qt 5.2.0 libraries which have PIC enabled by default)
Regards, Bernhard On 14.01.2014 10:06, Yang Fan wrote: > 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 >> > > > _______________________________________________ Qt-creator mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/qt-creator
