How to enable C 11 in Qt Creator

Question

The title is pretty self-descriptive  I ve downloaded Qt Creator 2 7 0  and I am trying to compile some basic C  11 code   int my array 5     1  2  3  4  5   for int  amp x   my array      x    2      I m receiving the following error   range based for loops are not allowed in c   98 mode   Yet  according to this article this version of Qt Creator supports C  11  So how do I enable it

User · Answer

The only place I have successfully make it work is by searching in:

...\Qt\{5.9; or your version}\mingw{53_32; or your version}\mkspecs\win32-g++\qmake.conf:

Then at the line:

QMAKE_CFLAGS           += -fno-keep-inline-dllexport

Edit :

QMAKE_CFLAGS           += -fno-keep-inline-dllexport -std=c++11

User · Answer

As an alternative for handling both cases addressed in Ali s excellent answer  I usually add     With C  11 support greaterThan QT MAJOR VERSION  4       CONFIG    c  11   else   QMAKE CXXFLAGS    -std c  0x     to my project files  This can be handy when you don t really care much about which Qt version is people using in your team  but you want them to have C  11 enabled in any case

User · Answer

According to this site add  CONFIG    c  11  to your  pro file  see at the bottom of that web page   It requires Qt 5     The other answers  suggesting   QMAKE CXXFLAGS    -std c  11  or QMAKE CXXFLAGS    -std c  0x   also work with Qt 4 8 and gcc   clang

User · Answer

If you are using an earlier version of QT   lt 5  try this  QMAKE CXXFLAGS    -std c  0x

User · Answer

add to your qmake file  QMAKE CXXFLAGS   -std c  11 QMAKE LFLAGS     -std c  11

User · Answer

Add this to your  pro file  QMAKE CXXFLAGS    -std c  11   or    CONFIG    c  11

[c++] How to enable C++11 in Qt Creator?

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