Package: libqt5core5a Version: 5.6.1+dfsg-3 Severity: normal I'm trying to enable Qt5 support for the lyx package I maintain. I have already enabled hardening flags, and I get the following error when building the package:
g++ -DHAVE_CONFIG_H -I. -I../../../src/support -I../.. -Wall -Wextra -I../../../src/support/.. -DQT_NO_STL -DQT_NO_KEYWORDS -I/usr/include/x86_64 -linux-gnu/qt5/QtConcurrent -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/include/x86_64-linux-gnu/qt5/QtSvg -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/include/x86_64-linux-gnu/qt5/QtWidgets -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/include/x86_64-linux-gnu/qt5/QtGui -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/include/x86_64-linux-gnu/qt5/QtCore -I/usr/include/x86_64-linux-gnu/qt5 -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++11 -fPIC -O2 -Wno-deprecated-declarations -g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security -c -o ConsoleApplication.o ../../../src/support/ConsoleApplication.cpp In file included from /usr/include/x86_64-linux-gnu/qt5/QtCore/qcoreapplication.h:37:0, from /usr/include/x86_64-linux-gnu/qt5/QtCore/QCoreApplication:1, from ../../../src/support/../support/ConsoleApplicationPrivate.h:16, from ../../../src/support/ConsoleApplication.cpp:15: /usr/include/x86_64-linux-gnu/qt5/QtCore/qglobal.h:1087:4: error: #error "You must build your code with position independent code if Qt was built with -reduce-relocations. " "Compile your code with -fPIC (-fPIE is not enough)." # error "You must build your code with position independent code if Qt was built with -reduce-relocations. "\ ^ By default, -fPIC is used for shared libraries and -fPIE for executables such as lyx. The latter takes precedence as it is later in the argument list. I can get away with the problem if I append -fPIC to CXXFLAGS but I think this is not the proper solution, but a workaround. A similar issue was reported also on Bug: #828878 and the fix was the aforementioned workaround. Kind regards, Nick -- =Do- N.AND