make error

[relatable975]

• ubuntu 22.04
• g++ 4:11.2.0-1ubuntu1
• libhunspell-dev:amd64 1.7.0-4build1
• libqt5svg5-dev:amd64 5.15.3-1
• libx11-dev:amd64 2:1.7.5-1
• qtbase5-dev:amd64 5.15.3+dfsg-2ubuntu0.2 amd64
• qttools5-dev-tools 5.15.3-1

I did the following:

1. mkdir build && cd build
2. cmake ..
3. make

cmake succeeds

make error output:

/home/user/src/FeatherPad/featherpad/tabwidget.cpp:6:27: error: stray ‘#’ in program
    6 |     border-top: 2px solid #C2C7CB;
      |                           ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:17:41: error: stray ‘#’ in program
   17 |                                 stop: 0 #E1E1E1, stop: 0.4 #DDDDDD,
      |                                         ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:17:60: error: stray ‘#’ in program
   17 |                                 stop: 0 #E1E1E1, stop: 0.4 #DDDDDD,
      |                                                            ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:18:43: error: stray ‘#’ in program
   18 |                                 stop: 0.5 #D8D8D8, stop: 1.0 #D3D3D3);
      |                                           ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:18:62: error: stray ‘#’ in program
   18 |                                 stop: 0.5 #D8D8D8, stop: 1.0 #D3D3D3);
      |                                                              ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:19:23: error: stray ‘#’ in program
   19 |     border: 2px solid #C4C4C3;
      |                       ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:20:26: error: stray ‘#’ in program
   20 |     border-bottom-color: #C2C7CB; /* same as the pane color */
      |                          ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:23:16: error: exponent has no digits
   23 |     min-width: 8ex;
      |                ^~~
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:29:41: error: stray ‘#’ in program
   29 |                                 stop: 0 #fafafa, stop: 0.4 #f4f4f4,
      |                                         ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:29:60: error: stray ‘#’ in program
   29 |                                 stop: 0 #fafafa, stop: 0.4 #f4f4f4,
      |                                                            ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:30:43: error: stray ‘#’ in program
   30 |                                 stop: 0.5 #e7e7e7, stop: 1.0 #fafafa);
      |                                           ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:30:62: error: stray ‘#’ in program
   30 |                                 stop: 0.5 #e7e7e7, stop: 1.0 #fafafa);
      |                                                              ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:34:19: error: stray ‘#’ in program
   34 |     border-color: #9B9B9B;
      |                   ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:35:26: error: stray ‘#’ in program
   35 |     border-bottom-color: #C2C7CB; /* same as pane color */
      |                          ^
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:5:13: error: ‘pane’ in ‘class QTabWidget’ does not name a type
    5 | QTabWidget::pane { /* The tab widget frame */
      |             ^~~~
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:9:13: error: ‘tab’ in ‘class QTabWidget’ does not name a type
    9 | QTabWidget::tab-bar {
      |             ^~~
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:15:10: error: invalid use of incomplete type ‘class QTabBar’
   15 | QTabBar::tab {
      |          ^~~
In file included from /usr/include/x86_64-linux-gnu/qt5/QtWidgets/QTabWidget:1,
                 from /home/user/src/FeatherPad/featherpad/tabwidget.cpp:1:
/usr/include/x86_64-linux-gnu/qt5/QtWidgets/qtabwidget.h:51:7: note: forward declaration of ‘class QTabBar’
   51 | class QTabBar;
      |       ^~~~~~~
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:27:13: error: found ‘:’ in nested-name-specifier, expected ‘::’
   27 | QTabBar::tab:selected, QTabBar::tab:hover {
      |             ^
      |             ::
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:27:10: error: invalid use of incomplete type ‘class QTabBar’
   27 | QTabBar::tab:selected, QTabBar::tab:hover {
      |          ^~~
In file included from /usr/include/x86_64-linux-gnu/qt5/QtWidgets/QTabWidget:1,
                 from /home/user/src/FeatherPad/featherpad/tabwidget.cpp:1:
/usr/include/x86_64-linux-gnu/qt5/QtWidgets/qtabwidget.h:51:7: note: forward declaration of ‘class QTabBar’
   51 | class QTabBar;
      |       ^~~~~~~
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:33:13: error: found ‘:’ in nested-name-specifier, expected ‘::’
   33 | QTabBar::tab:selected {
      |             ^
      |             ::
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:33:10: error: invalid use of incomplete type ‘class QTabBar’
   33 | QTabBar::tab:selected {
      |          ^~~
In file included from /usr/include/x86_64-linux-gnu/qt5/QtWidgets/QTabWidget:1,
                 from /home/user/src/FeatherPad/featherpad/tabwidget.cpp:1:
/usr/include/x86_64-linux-gnu/qt5/QtWidgets/qtabwidget.h:51:7: note: forward declaration of ‘class QTabBar’
   51 | class QTabBar;
      |       ^~~~~~~
/home/user/src/FeatherPad/featherpad/tabwidget.cpp:38:10: error: invalid use of incomplete type ‘class QTabBar’
   38 | QTabBar::tab:!selected {
      |          ^~~
In file included from /usr/include/x86_64-linux-gnu/qt5/QtWidgets/QTabWidget:1,
                 from /home/user/src/FeatherPad/featherpad/tabwidget.cpp:1:
/usr/include/x86_64-linux-gnu/qt5/QtWidgets/qtabwidget.h:51:7: note: forward declaration of ‘class QTabBar’
   51 | class QTabBar;
      |       ^~~~~~~
make[2]: *** [featherpad/CMakeFiles/featherpad.dir/build.make:322: featherpad/CMakeFiles/featherpad.dir/tabwidget.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:101: featherpad/CMakeFiles/featherpad.dir/all] Error 2
make: *** [Makefile:136: all] Error 2

Did I do something wrong?

[tsujan]

Something is very wrong in your build environment. I can't guess what it is but, for example, there's no border-top: 2px solid #C2C7CB; in FeatherPad's source.