mingw64 compilation error

[crayxt]

src/Segment/Segment.cpp: In constructor 'Segment::Segment(QGraphicsScene&, int, bool)':
src/Segment/Segment.cpp:23:74: error: cast from 'Segment*' to 'long unsigned int' loses precision [-fpermissive]
                               << " address=0x" << hex << (unsigned long) this;
                                                                          ^
src/Segment/Segment.cpp: In destructor 'virtual Segment::~Segment()':
src/Segment/Segment.cpp:29:74: error: cast from 'Segment*' to 'long unsigned int' loses precision [-fpermissive]
                               << " address=0x" << hex << (unsigned long) this;
                                                                          ^
src/Segment/Segment.cpp: In member function 'void Segment::appendColumn(int, int, const DocumentModelSegments&)':
src/Segment/Segment.cpp:49:80: error: cast from 'Segment*' to 'long unsigned int' loses precision [-fpermissive]
                                << " segment=0x" << std::hex << (unsigned long) this << std::dec
                                                                                ^
src/Segment/Segment.cpp: In member function 'void Segment::removeUnneededLines(int*)':
src/Segment/Segment.cpp:474:88: error: cast from 'Segment*' to 'long unsigned int' loses precision [-fpermissive]
                                        << " segment=0x" << std::hex << (unsigned long) this << std::dec
                                                                                        ^
Makefile:2261: recipe for target 'src/.objs/Segment.o' failed

Environment is Fedora 23 64-bit chroot, compiler is mingw64

[crayxt]

going further

src/Segment/SegmentLine.cpp: In constructor 'SegmentLine::SegmentLine(QGraphicsScene&, const DocumentModelSegments&, Segment*)':
src/Segment/SegmentLine.cpp:19:80: error: cast from 'SegmentLine*' to 'long unsigned int' loses precision [-fpermissive]
                                << " address=0x" << std::hex << (unsigned long) this;
                                                                                ^
src/Segment/SegmentLine.cpp: In destructor 'virtual SegmentLine::~SegmentLine()':
src/Segment/SegmentLine.cpp:38:80: error: cast from 'SegmentLine*' to 'long unsigned int' loses precision [-fpermissive]
                                << " address=0x" << std::hex << (unsigned long) this;
                                                                                ^
Makefile:2269: recipe for target 'src/.objs/SegmentLine.o' failed

[markummitchell]

I just tried using qintptr, but am unable to test with mingw on fedora.

[crayxt]

@markummitchell It compiles successfully, until the same case in src/Segment/SegmentLine.cpp

[markummitchell]

Thanks for the testing.

[crayxt]

Thanks,