[Bug 208811] Qmake-Qt5 uses clang for linking instead of gcc/g++ specified in Netbeans toolchain

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Fri Apr 15 00:04:45 UTC 2016 

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208811

            Bug ID: 208811
           Summary: Qmake-Qt5 uses clang for linking instead of gcc/g++
                    specified in Netbeans toolchain
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: freebsd-ports-bugs at FreeBSD.org
          Reporter: info at dressmaker.ca

For some reason instead of using g++ specified in Netbeans toolchain for C++
qmake-qt5 uses clang and that breaks compilation if -lquadmath option is used
for gcc. Qmake should always use the specified tools.

Here is a build log under Fedora 19 Linux - notice use of g++ for linking

<pre>
cd '/home/user0/NetBeansProjects/MandelbrotQT'
/usr/bin/gmake -f Makefile CONF=Debug QMAKE=/bin/qmake-qt5
"/usr/bin/gmake" -f nbproject/Makefile-Debug.mk QMAKE=/bin/qmake-qt5
SUBPROJECTS= .build-conf
gmake[1]: Entering directory `/home/user0/NetBeansProjects/MandelbrotQT'
/bin/qmake-qt5 VPATH=. -o qttmp-Debug.mk nbproject/qt-Debug.pro
mv -f qttmp-Debug.mk nbproject/qt-Debug.mk
"/usr/bin/gmake" -f nbproject/qt-Debug.mk dist/Debug/GNU-Linux/MandelbrotQT
gmake[2]: Entering directory `/home/user0/NetBeansProjects/MandelbrotQT'
/usr/lib64/qt5/bin/uic newForm.ui -o ui_newForm.h
g++ -c -pipe -O3 -lquadmath -g -std=c++0x -Wall -W -D_REENTRANT -fPIE
-DQT_WIDGETS_LIB -DQT_CONCURRENT_LIB -DQT_GUI_LIB -DQT_CORE_LIB
-I/usr/lib64/qt5/mkspecs/linux-g++ -Inbproject -isystem
/usr/local/include/qt5/QtConcurrent -isystem /usr/include/qt5 -isystem
/usr/include/qt5/QtWidgets -isystem /usr/include/qt5/QtConcurrent -isystem
/usr/include/qt5/QtGui -isystem /usr/include/qt5/QtCore -I. -I. -I. -o
build/Debug/GNU-Linux/main.o main.cpp
g++ -c -pipe -O3 -lquadmath -g -std=c++0x -Wall -W -D_REENTRANT -fPIE
-DQT_WIDGETS_LIB -DQT_CONCURRENT_LIB -DQT_GUI_LIB -DQT_CORE_LIB
-I/usr/lib64/qt5/mkspecs/linux-g++ -Inbproject -isystem
/usr/local/include/qt5/QtConcurrent -isystem /usr/include/qt5 -isystem
/usr/include/qt5/QtWidgets -isystem /usr/include/qt5/QtConcurrent -isystem
/usr/include/qt5/QtGui -isystem /usr/include/qt5/QtCore -I. -I. -I. -o
build/Debug/GNU-Linux/newForm.cpp.o newForm.cpp.cc
newForm.cpp.cc:179:6: warning: unused parameter ‘pA’ [-Wunused-parameter]
 void newForm::handleRubberBandChanged(QRect r, QPointF pA, QPointF pB){
      ^
newForm.cpp.cc:179:6: warning: unused parameter ‘pB’ [-Wunused-parameter]
/usr/lib64/qt5/bin/moc -DQT_WIDGETS_LIB -DQT_CONCURRENT_LIB -DQT_GUI_LIB
-DQT_CORE_LIB -I/usr/lib64/qt5/mkspecs/linux-g++
-I/home/user0/NetBeansProjects/MandelbrotQT/nbproject
-I/usr/local/include/qt5/QtConcurrent -I/usr/include/qt5
-I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtConcurrent
-I/usr/include/qt5/QtGui -I/usr/include/qt5/QtCore -I. -I/usr/include/c++/4.8.3
-I/usr/include/c++/4.8.3/x86_64-redhat-linux -I/usr/include/c++/4.8.3/backward
-I/usr/lib/gcc/x86_64-redhat-linux/4.8.3/include -I/usr/local/include
-I/usr/include newForm.h -o moc_newForm.cpp
g++ -c -pipe -O3 -lquadmath -g -std=c++0x -Wall -W -D_REENTRANT -fPIE
-DQT_WIDGETS_LIB -DQT_CONCURRENT_LIB -DQT_GUI_LIB -DQT_CORE_LIB
-I/usr/lib64/qt5/mkspecs/linux-g++ -Inbproject -isystem
/usr/local/include/qt5/QtConcurrent -isystem /usr/include/qt5 -isystem
/usr/include/qt5/QtWidgets -isystem /usr/include/qt5/QtConcurrent -isystem
/usr/include/qt5/QtGui -isystem /usr/include/qt5/QtCore -I. -I. -I. -o
build/Debug/GNU-Linux/moc_newForm.o moc_newForm.cpp
g++  -o dist/Debug/GNU-Linux/MandelbrotQT build/Debug/GNU-Linux/main.o
build/Debug/GNU-Linux/newForm.cpp.o build/Debug/GNU-Linux/moc_newForm.o  
-lQt5Widgets -lQt5Concurrent -lQt5Gui -lQt5Core -lGL -lpthread 
gmake[2]: Leaving directory `/home/user0/NetBeansProjects/MandelbrotQT'
gmake[1]: Leaving directory `/home/user0/NetBeansProjects/MandelbrotQT'

BUILD SUCCESSFUL (total time: 957ms)

And here is the log from PCBSD - notice the use of clang for linking:

cd '/usr/home/leo/NetBeansProjects/QtApplication_1'
/usr/local/bin/gmake -f Makefile CONF=Debug QMAKE=/usr/local/lib/qt5/bin/qmake
"/usr/local/bin/gmake" -f nbproject/Makefile-Debug.mk
QMAKE=/usr/local/lib/qt5/bin/qmake SUBPROJECTS= .build-conf
gmake[1]: Entering directory '/usr/home/leo/NetBeansProjects/QtApplication_1'
/usr/local/lib/qt5/bin/qmake VPATH=. -o qttmp-Debug.mk nbproject/qt-Debug.pro
mv -f qttmp-Debug.mk nbproject/qt-Debug.mk
"/usr/local/bin/gmake" -f nbproject/qt-Debug.mk
dist/Debug/GNU-Generic/QtApplication_1
gmake[2]: Entering directory '/usr/home/leo/NetBeansProjects/QtApplication_1'
/usr/local/lib/qt5/bin/uic newForm.ui -o ui_newForm.h
g++ -c -pipe -O3 -lquadmath -g -std=c++11 -Wall -W -pthread -D_THREAD_SAFE
-fPIC -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CONCURRENT_LIB -DQT_CORE_LIB
-Inbproject -I. -I../../../../local/include/qt5/QtConcurrent
-I../../../../local/include/qt5 -I../../../../local/include/qt5/QtWidgets
-I../../../../local/include/qt5/QtGui -I../../../../local/include/qt5/QtCore
-I. -I../../../../local/include -I. -I../../../../local/include
-I../../../../local/lib/qt5/mkspecs/freebsd-clang -o
build/Debug/GNU-Generic/main.o main.cpp
g++ -c -pipe -O3 -lquadmath -g -std=c++11 -Wall -W -pthread -D_THREAD_SAFE
-fPIC -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CONCURRENT_LIB -DQT_CORE_LIB
-Inbproject -I. -I../../../../local/include/qt5/QtConcurrent
-I../../../../local/include/qt5 -I../../../../local/include/qt5/QtWidgets
-I../../../../local/include/qt5/QtGui -I../../../../local/include/qt5/QtCore
-I. -I../../../../local/include -I. -I../../../../local/include
-I../../../../local/lib/qt5/mkspecs/freebsd-clang -o
build/Debug/GNU-Generic/newForm.cpp.o newForm.cpp.cc
newForm.cpp.cc:191:6: warning: unused parameter 'pA' [-Wunused-parameter]
 void newForm::handleRubberBandChanged(QRect r, QPointF pA, QPointF pB){
      ^
newForm.cpp.cc:191:6: warning: unused parameter 'pB' [-Wunused-parameter]
/usr/local/lib/qt5/bin/moc -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CONCURRENT_LIB
-DQT_CORE_LIB -I/usr/local/lib/qt5/mkspecs/freebsd-clang
-I/usr/home/leo/NetBeansProjects/QtApplication_1/nbproject
-I/usr/local/include/qt5/QtConcurrent -I/usr/local/include/qt5
-I/usr/local/include/qt5/QtWidgets -I/usr/local/include/qt5/QtGui
-I/usr/local/include/qt5/QtCore -I. -I/usr/include/c++/v1
-I/usr/include/clang/3.4.1 -I/usr/include newForm.h -o moc_newForm.cpp
g++ -c -pipe -O3 -lquadmath -g -std=c++11 -Wall -W -pthread -D_THREAD_SAFE
-fPIC -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CONCURRENT_LIB -DQT_CORE_LIB
-Inbproject -I. -I../../../../local/include/qt5/QtConcurrent
-I../../../../local/include/qt5 -I../../../../local/include/qt5/QtWidgets
-I../../../../local/include/qt5/QtGui -I../../../../local/include/qt5/QtCore
-I. -I../../../../local/include -I. -I../../../../local/include
-I../../../../local/lib/qt5/mkspecs/freebsd-clang -o
build/Debug/GNU-Generic/moc_newForm.o moc_newForm.cpp
clang++ -pthread -Wl,-rpath,/usr/local/lib -o
dist/Debug/GNU-Generic/QtApplication_1 build/Debug/GNU-Generic/main.o
build/Debug/GNU-Generic/newForm.cpp.o build/Debug/GNU-Generic/moc_newForm.o  
-L/usr/local/lib -lQt5Widgets -lQt5Gui -lQt5Concurrent -lQt5Core -lGL
/usr/bin/ld: Dwarf Error: found dwarf version '4', this reader only handles
version 2 information.
build/Debug/GNU-Generic/newForm.cpp.o: In function
`_ZN12QtConcurrent9MapKernelIPiZN7newForm18handleBtnCalculateEvEUlRiE_E12runIterationES1_iPv':
newForm.cpp.cc:(.text+0x157): undefined reference to `__extenddftf2'
newForm.cpp.cc:(.text+0x175): undefined reference to `__extenddftf2'
newForm.cpp.cc:(.text+0x1a9): undefined reference to `__gttf2'
newForm.cpp.cc:(.text+0x1c5): undefined reference to `__gttf2'
newForm.cpp.cc:(.text+0x1e7): undefined reference to `__multf3'
newForm.cpp.cc:(.text+0x202): undefined reference to `__multf3'
newForm.cpp.cc:(.text+0x211): undefined reference to `__subtf3'
newForm.cpp.cc:(.text+0x220): undefined reference to `__addtf3'
newForm.cpp.cc:(.text+0x239): undefined reference to `__addtf3'
newForm.cpp.cc:(.text+0x247): undefined reference to `__multf3'
newForm.cpp.cc:(.text+0x256): undefined reference to `__addtf3'
clang++: error: linker command failed with exit code 1 (use -v to see
invocation)
nbproject/qt-Debug.mk:224: recipe for target
'dist/Debug/GNU-Generic/QtApplication_1' failed
gmake[2]: *** [dist/Debug/GNU-Generic/QtApplication_1] Error 1
gmake[2]: Leaving directory '/usr/home/leo/NetBeansProjects/QtApplication_1'
nbproject/Makefile-Debug.mk:65: recipe for target '.build-conf' failed
gmake[1]: *** [.build-conf] Error 2
gmake[1]: Leaving directory '/usr/home/leo/NetBeansProjects/QtApplication_1'
nbproject/Makefile-impl.mk:39: recipe for target '.build-impl' failed
gmake: *** [.build-impl] Error 2
</pre>

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