unwanted added compiler arguments

Arthur Gruzauskas albed27 at gruz.net
Sun Oct 29 03:26:29 GMT 2017

Hi List,

Started playing with using C++17 features, but have hit a wall with some unwanted 
compiler arguments being magically appended.

It boils down to " -fPIC -std=c++14" somehow being appended to the end of my 
compiler command arguments.

Now, I'm quite happy with -fPIC, but the -std=c++14 overrides my -std=c++1z 

Looking through every configuration dialog in KDevelop didn't help.

Looking through the various CMake files in the build directory, i can't see this added 

Using gcc instead of clang shows the same added args.

Google has not been my friend.

Is there somewhere that kdevelop adds  "-fPIC -std=c++14" ?


I'm using KDevelop 5.1.80 from git.

The compile line that shows those added arguments (in red):

/usr/bin/clang++-4.0  -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -
DQT_WIDGETS_LIB -isystem /usr/include/x86_64-linux-gnu/qt5 -I. -I/home/artg/
alocal/ajg_stuff -I/usr/local/cuda/include -isystem /usr/include/x86_64-linux-gnu/qt5/
QtWidgets -isystem /usr/include/x86_64-linux-gnu/qt5/QtGui -isystem /usr/include/
x86_64-linux-gnu/qt5/QtCore -isystem /usr/lib/x86_64-linux-gnu/qt5/mkspecs/linux-g+
+-64 -march=native -std=c++1z -pipe -Wall -Werror -Wshadow -Wno-c++98-compat 
-Weverything -Wno-conversion -Wno-sign-compare -Wno-c++98-compat-pedantic -
Wno-padded -Wno-documentation-unknown-command -Wno-deprecated -Wno-
covered-switch-default -Wno-exit-time-destructors -Wno-global-constructors -Wno-
disabled-macro-expansion -O3 -DNDEBUG   *-fPIC -std=c++14* -MD -MT 
CMakeFiles/weathered.dir/src/world.cpp.o -MF CMakeFiles/weathered.dir/src/
world.cpp.o.d -o CMakeFiles/weathered.dir/src/world.cpp.o -c ../src/world.cpp

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