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Details

Type: Bug
Resolution: Done
Priority: P3: Somewhat important
Fix Version/s: Qt Creator 4.10.0-beta1
Affects Version/s: Qt Creator 4.5.0-beta1
Component/s: Project & Build Management
Labels:
None
Environment:
Ubuntu Linux 16.04 x64

Commits:
61b248703279e3c8bbd46994ecc01a2043652173 (qt-creator/qt-creator/master)

Description

I've installed 4.5 beta through the online installer on Ubuntu 16.04 x64.

Even when starting with empty settings:

/opt/Qt/Tools/Preview/Qt\ Creator\ 4.5.0-beta1/bin/qtcreator -settingspath /tmp

Creator detects my GCC compiler multiple times (see screenshot). The additional gcc's are only symlinks to gcc-5 on this system.

$ ls -l /usr/bin/*gcc*
lrwxrwxrwx 1 root root      5 Feb 11  2016 /usr/bin/gcc -> gcc-5
-rwxr-xr-x 1 root root 915736 Nov  3  2016 /usr/bin/gcc-5
lrwxrwxrwx 1 root root      5 Feb 11  2016 /usr/bin/x86_64-linux-gnu-gcc -> gcc-5*
lrwxrwxrwx 1 root root      5 Nov  3  2016 /usr/bin/x86_64-linux-gnu-gcc-5 -> gcc-5*

This leads to lots of warnings if you select the wrong entry for a Kit:

:-1: Warnung: "/usr/bin/gcc" is used by qmake, but "/usr/bin/gcc-5" is configured in the kit.
Please update your kit or choose a mkspec for qmake that matches your target environment better.

PS: There are also 32 bit compiler detected, which might be wrong too, but I'm not sure with this. Just tell me if you need more information.

$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/5/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 5.4.0-6ubuntu1~16.04.4' --with-bugurl=file:///usr/share/doc/gcc-5/README.Bugs --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-5 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-5-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-5-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-5-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.4)