[Compile Error]: invalid use of incomplete type ‘class QPainterPath’

[vzool]

Hi, I'm trying to compile the source code and I got these errors:

(base) ➜  digibyte git:(master) git remote -v
origin  https://github.com/DigiByte-Core/digibyte (fetch)
origin  https://github.com/DigiByte-Core/digibyte (push)
(base) ➜  digibyte git:(master) make         
Making all in src
make[1]: Entering directory '/home/vzool/Workspace/digibyte/src'
make[2]: Entering directory '/home/vzool/Workspace/digibyte/src'
make[3]: Entering directory '/home/vzool/Workspace/digibyte'
make[3]: Leaving directory '/home/vzool/Workspace/digibyte'
  CXX      qt/libdigibyteqt_a-trafficgraphwidget.o
qt/trafficgraphwidget.cpp: In member function ‘void TrafficGraphWidget::paintPath(QPainterPath&, QQueue<float>&)’:
qt/trafficgraphwidget.cpp:56:9: error: invalid use of incomplete type ‘class QPainterPath’
   56 |         path.moveTo(x, YMARGIN + h);
      |         ^~~~
In file included from /usr/include/qt/QtGui/qbrush.h:49,
                 from /usr/include/qt/QtGui/qpalette.h:46,
                 from /usr/include/qt/QtWidgets/qwidget.h:48,
                 from /usr/include/qt/QtWidgets/QWidget:1,
                 from ./qt/trafficgraphwidget.h:8,
                 from qt/trafficgraphwidget.cpp:7:
/usr/include/qt/QtGui/qmatrix.h:54:7: note: forward declaration of ‘class QPainterPath’
   54 | class QPainterPath;
      |       ^~~~~~~~~~~~
qt/trafficgraphwidget.cpp:60:13: error: invalid use of incomplete type ‘class QPainterPath’
   60 |             path.lineTo(x, y);
      |             ^~~~
In file included from /usr/include/qt/QtGui/qbrush.h:49,
                 from /usr/include/qt/QtGui/qpalette.h:46,
                 from /usr/include/qt/QtWidgets/qwidget.h:48,
                 from /usr/include/qt/QtWidgets/QWidget:1,
                 from ./qt/trafficgraphwidget.h:8,
                 from qt/trafficgraphwidget.cpp:7:
/usr/include/qt/QtGui/qmatrix.h:54:7: note: forward declaration of ‘class QPainterPath’
   54 | class QPainterPath;
      |       ^~~~~~~~~~~~
qt/trafficgraphwidget.cpp:62:9: error: invalid use of incomplete type ‘class QPainterPath’
   62 |         path.lineTo(x, YMARGIN + h);
      |         ^~~~
In file included from /usr/include/qt/QtGui/qbrush.h:49,
                 from /usr/include/qt/QtGui/qpalette.h:46,
                 from /usr/include/qt/QtWidgets/qwidget.h:48,
                 from /usr/include/qt/QtWidgets/QWidget:1,
                 from ./qt/trafficgraphwidget.h:8,
                 from qt/trafficgraphwidget.cpp:7:
/usr/include/qt/QtGui/qmatrix.h:54:7: note: forward declaration of ‘class QPainterPath’
   54 | class QPainterPath;
      |       ^~~~~~~~~~~~
qt/trafficgraphwidget.cpp: In member function ‘virtual void TrafficGraphWidget::paintEvent(QPaintEvent*)’:
qt/trafficgraphwidget.cpp:109:22: error: aggregate ‘QPainterPath p’ has incomplete type and cannot be defined
  109 |         QPainterPath p;
      |                      ^
qt/trafficgraphwidget.cpp:116:22: error: aggregate ‘QPainterPath p’ has incomplete type and cannot be defined
  116 |         QPainterPath p;
      |                      ^
make[2]: *** [Makefile:8309: qt/libdigibyteqt_a-trafficgraphwidget.o] Error 1
make[2]: Leaving directory '/home/vzool/Workspace/digibyte/src'
make[1]: *** [Makefile:11220: all-recursive] Error 1
make[1]: Leaving directory '/home/vzool/Workspace/digibyte/src'
make: *** [Makefile:773: all-recursive] Error 1
(base) ➜  digibyte git:(master) 

Compile Commands

./autogen.sh
./configure --with-incompatible-bdb
make

OS/CPU

(base) ➜  digibyte git:(master) uname -a
Linux abdelaziz-laptop 5.4.64-1-MANJARO #1 SMP PREEMPT Wed Sep 9 18:26:19 UTC 2020 x86_64 GNU/Linux
(base) ➜  digibyte git:(master) lscpu 
Architecture:                    x86_64
CPU op-mode(s):                  32-bit, 64-bit
Byte Order:                      Little Endian
Address sizes:                   39 bits physical, 48 bits virtual
CPU(s):                          12
On-line CPU(s) list:             0-11
Thread(s) per core:              2
Core(s) per socket:              6
Socket(s):                       1
NUMA node(s):                    1
Vendor ID:                       GenuineIntel
CPU family:                      6
Model:                           158
Model name:                      Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
Stepping:                        10
CPU MHz:                         900.059
CPU max MHz:                     4500.0000
CPU min MHz:                     800.0000
BogoMIPS:                        5202.65
Virtualization:                  VT-x
L1d cache:                       192 KiB
L1i cache:                       192 KiB
L2 cache:                        1.5 MiB
L3 cache:                        12 MiB
NUMA node0 CPU(s):               0-11
Vulnerability Itlb multihit:     KVM: Mitigation: Split huge pages
Vulnerability L1tf:              Mitigation; PTE Inversion; VMX conditional cache flushes, SMT vulnerable
Vulnerability Mds:               Mitigation; Clear CPU buffers; SMT vulnerable
Vulnerability Meltdown:          Mitigation; PTI
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1:        Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2:        Mitigation; Full generic retpoline, IBPB conditional, IBRS_FW, STIBP conditional, RSB filling
Vulnerability Srbds:             Mitigation; Microcode
Vulnerability Tsx async abort:   Not affected
Flags:                           fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constan
                                 t_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtp
                                 r pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd
                                  ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt x
                                 saveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
(base) ➜  digibyte git:(master) 

[ChillingSilence]

This should be fixed in the next DigiByte version 8 release 👍