Weirdness

[Jean-Marc Lasgouttes]

Following my commit cbc9a901afd17, I get the following error:

g++ -DHAVE_CONFIG_H -I. -I../../../../master/src/frontends/qt -I../../.. 
  -DQT_NO_STL -DQT_NO_KEYWORDS -DQT_NO_CAST_TO_ASCII -DQT_NO_STL 
-I../../../../master/src -I../../../../master/src/frontends 
-I../../../../master/images -DQT_CONCURRENT_LIB -DQT_SVG_LIB 
-DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB 
-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 -I../../../../master/3rdparty/boost 
   -Wall -Wextra -Wno-deprecated-copy  -MT GuiView.o -MD -MP -MF 
$depbase.Tpo -c -o GuiView.o 
../../../../master/src/frontends/qt/GuiView.cpp &&\
mv -f $depbase.Tpo $depbase.Po
In file included from 
/usr/include/x86_64-linux-gnu/qt5/QtGui/qtguiglobal.h:43,
                  from 
/usr/include/x86_64-linux-gnu/qt5/QtWidgets/qtwidgetsglobal.h:43,
                  from 
/usr/include/x86_64-linux-gnu/qt5/QtWidgets/qmainwindow.h:43,
                  from 
/usr/include/x86_64-linux-gnu/qt5/QtWidgets/QMainWindow:1,
                  from ../../../../master/src/frontends/qt/GuiView.h:22,
                  from ../../../../master/src/frontends/qt/GuiView.cpp:16:
/usr/include/x86_64-linux-gnu/qt5/QtCore/qglobal.h:1282:4: error: #error 
"You must build your code with position independent code if Qt was built 
with -reduce-relocations. " "Compile your code with -fPIC (and not with 
-fPIE)."
  1282 | #  error "You must build your code with position independent 
code if Qt was built with -reduce-relocations. "\
       |    ^~~~~


If I remove the commit, the -Wall -Wextra moves in the command line, and 
it just works!

g++ -DHAVE_CONFIG_H -I. -I../../../../master/src/frontends/qt -I../../.. 
  -DQT_NO_STL -DQT_NO_KEYWORDS -DQT_NO_CAST_TO_ASCII -DQT_NO_STL 
-I../../../../master/src -I../../../../master/src/frontends 
-I../../../../master/images -DQT_CONCURRENT_LIB -DQT_SVG_LIB 
-DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB 
-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 -I../../../../master/3rdparty/boost 
   -Wall -Wextra -Wno-deprecated-copy  -MT GuiView.o -MD -MP -MF 
$depbase.Tpo -c -o GuiView.o 
../../../../master/src/frontends/qt/GuiView.cpp &&\
mv -f $depbase.Tpo $depbase.Po
In file included from 
/usr/include/x86_64-linux-gnu/qt5/QtGui/qtguiglobal.h:43,
                  from 
/usr/include/x86_64-linux-gnu/qt5/QtWidgets/qtwidgetsglobal.h:43,
                  from 
/usr/include/x86_64-linux-gnu/qt5/QtWidgets/qmainwindow.h:43,
                  from 
/usr/include/x86_64-linux-gnu/qt5/QtWidgets/QMainWindow:1,
                  from ../../../../master/src/frontends/qt/GuiView.h:22,
                  from ../../../../master/src/frontends/qt/GuiView.cpp:16:
/usr/include/x86_64-linux-gnu/qt5/QtCore/qglobal.h:1282:4: error: #error 
"You must build your code with position independent code if Qt was built 
with -reduce-relocations. " "Compile your code with -fPIC (and not with 
-fPIE)."
  1282 | #  error "You must build your code with position independent 
code if Qt was built with -reduce-relocations. "\
       |    ^~~~~


Ideas?

JMarc