On 2018-11-26 19:32, [email protected] wrote:

All,

I went to the wiki here: https://wiki.qt.io/Building_Qt_Creator_from_Git

and creator will not build on 14.04 though 5.9.7 does. Ubuntu 14.04 is still LTS until 04/2019, has QtCreator already left it behind?

gcc version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04.4)

developer@developer-U14-04-64-bit-dev--VirtualBox:~/qtcreator-src$ mkdir qt-creator-build
developer@developer-U14-04-64-bit-dev--VirtualBox:~/qtcreator-src$ qmake -v
QMake version 3.1
Using Qt version 5.9.7 in /home/developer/Qt-5.9.7/lib
developer@developer-U14-04-64-bit-dev--VirtualBox:~/qtcreator-src$ cd qt-creator-build developer@developer-U14-04-64-bit-dev--VirtualBox:~/qtcreator-src/qt-creator-build$ qmake ../qt-creator/qtcreator.pro Info: creating stash file /home/developer/qtcreator-src/qt-creator-build/.qmake.stash Info: creating cache file /home/developer/qtcreator-src/qt-creator-build/.qmake.cache developer@developer-U14-04-64-bit-dev--VirtualBox:~/qtcreator-src/qt-creator-build$ ls
Makefile  qdoc_wrapper.sh
developer@developer-U14-04-64-bit-dev--VirtualBox:~/qtcreator-src/qt-creator-build$ make cd src/ && ( test -e Makefile || /home/developer/Qt-5.9.7/bin/qmake -o Makefile /home/developer/qtcreator-src/qt-creator/src/src.pro ) && make -f Makefile make[1]: Entering directory `/home/developer/qtcreator-src/qt-creator-build/src' cd shared/qbs/src/lib/corelib/ && ( test -e Makefile || /home/developer/Qt-5.9.7/bin/qmake -o Makefile /home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib/corelib.pro ) && make -f Makefile Project MESSAGE: This project is using private headers and will therefore be tied to this specific Qt module build version. Project MESSAGE: Running this project against other versions of the Qt modules may crash at any arbitrary point. Project MESSAGE: This is not a bug, but a result of using Qt internals. You have been warned! make[2]: Entering directory `/home/developer/qtcreator-src/qt-creator-build/src/shared/qbs/src/lib/corelib' g++ -c -pipe -O2 -std=gnu++1y -fvisibility=hidden -fvisibility-inlines-hidden -Wall -W -D_REENTRANT -fPIC -DQBS_LIBRARY -DQT_NO_CAST_FROM_ASCII -DQT_NO_PROCESS_COMBINED_ARGUMENT_START -DQBS_VERSION=\"1.12.2\" -DQBS_RELATIVE_LIBEXEC_PATH=\"../libexec/qtcreator\" -DQBS_ENABLE_PROJECT_FILE_UPDATES -DQT_NO_DEBUG -DQT_SCRIPT_LIB -DQT_NETWORK_LIB -DQT_GUI_LIB -DQT_XML_LIB -DQT_CORE_LIB -I/home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib -I. -I/home/developer/qtcreator-src/qt-creator/src/shared/qbs/src -I/home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib -I/home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib -I/home/developer/Qt-5.9.7/include -I/home/developer/Qt-5.9.7/include/QtScript -I/home/developer/Qt-5.9.7/include/QtCore/5.9.7 -I/home/developer/Qt-5.9.7/include/QtCore/5.9.7/QtCore -I/home/developer/Qt-5.9.7/include/QtNetwork -I/home/developer/Qt-5.9.7/include/QtGui -I/home/developer/Qt-5.9.7/include/QtXml -I/home/developer/Qt-5.9.7/include/QtCore -I. -isystem /usr/include/libdrm -I/home/developer/Qt-5.9.7/mkspecs/linux-g++ -o internaljobs.o /home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib/api/internaljobs.cpp In file included from /home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib/tools/filetime.h:43:0,                  from /home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib/buildgraph/filedependency.h:43,                  from /home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib/buildgraph/artifact.h:43,                  from /home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib/buildgraph/buildgraphloader.h:44,                  from /home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib/api/internaljobs.cpp:45: /home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib/tools/persistence.h:250:20: error: ‘enable_if_t’ is not a member of ‘std’
  struct PPHelper<T, std::enable_if_t<std::is_member_function_pointer<
                     ^
/home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib/tools/persistence.h:250:20: error: ‘enable_if_t’ is not a member of ‘std’ /home/developer/qtcreator-src/qt-creator/src/shared/qbs/src/lib/corelib/tools/persistence.h:251:80: error: type/value mismatch at argument 2 in template parameter list for
...


Hi, your gcc is a bit long in the tooth, try upgrading it, say like:
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt update
sudo apt install gcc-6

Rgrds Henry




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