Error on OS/2

[TeLLie]

Hi,
I try to compile this under good old OS/2.
Using Qt5.15.2 and gcc9.2.0

When building it i get those errors:
g++ -c -Zomf -march=i686 -pedantic -O2 -g -march=pentium4 -msse2 -std=gnu++1z -Wall -Wextra -DQT_NO_IPV6 -DPROJECT_MODULE_NAME=sqlitestudiocli -DQT_NO_DEBUG -DQT_CORE_LIB -I../../sqlitestudiocli -I. -I../../coreSQLiteStudio -I/@unixroot/usr/include/qt5 -I/@unixroot/usr/include/qt5/QtCore -I../../../output/build/sqlitestudiocli -I/@unixroot/usr/lib/qt5/mkspecs/os2-g++ -o ../../../output/build/sqlitestudiocli/clicommandsql.obj ../../sqlitestudiocli/commands/clicommandsql.cpp
../../sqlitestudiocli/commands/clicommandsql.cpp: In member function 'void CliCommandSql::printResultsFixed(QueryExecutor*, SqlQueryPtr)':
../../sqlitestudiocli/commands/clicommandsql.cpp:134:40: error: 'termCols' was not declared in this scope
134 | if ((resultColumnsCount * 2 - 1) > termCols)
| ^~~~~~~~
../../sqlitestudiocli/commands/clicommandsql.cpp:144:17: error: 'baseColWidth' was not declared in this scope
144 | width = baseColWidth;
| ^~~~~~~~~~~~
../../sqlitestudiocli/commands/clicommandsql.cpp:146:23: error: 'termCols' was not declared in this scope
146 | width += (termCols - resultColumnsCount * (baseColWidth + 1) + 1);
| ^~~~~~~~
../../sqlitestudiocli/commands/clicommandsql.cpp: In member function 'void CliCommandSql::printResultsColumns(QueryExecutor*, SqlQueryPtr)':
../../sqlitestudiocli/commands/clicommandsql.cpp:174:9: error: 'resultColumnsCount' was not declared in this scope; did you mean 'resultColumns'?
174 | if (resultColumnsCount == 0)
| ^~~~~~~~~~~~~~~~~~
| resultColumns
../../sqlitestudiocli/commands/clicommandsql.cpp:178:10: error: 'resultColumnsCount' was not declared in this scope; did you mean 'resultColumns'?
178 | if ((resultColumnsCount * 2 - 1) > termCols)
| ^~~~~~~~~~~~~~~~~~
| resultColumns
../../sqlitestudiocli/commands/clicommandsql.cpp:178:40: error: 'termCols' was not declared in this scope
178 | if ((resultColumnsCount * 2 - 1) > termCols)
| ^~~~~~~~
../../sqlitestudiocli/commands/clicommandsql.cpp:201:29: error: 'resultColumnsCount' was not declared in this scope; did you mean 'resultColumns'?
201 | for (int i = 0; i < resultColumnsCount; i++)
| ^~~~~~~~~~~~~~~~~~
| resultColumns
../../sqlitestudiocli/commands/clicommandsql.cpp:213:20: error: 'resultColumnsCount' was not declared in this scope; did you mean 'resultColumns'?
213 | totalWidth += (resultColumnsCount - 1); // column separators
| ^~~~~~~~~~~~~~~~~~
| resultColumns
../../sqlitestudiocli/commands/clicommandsql.cpp:216:22: error: 'termCols' was not declared in this scope
216 | if (totalWidth < termCols)
| ^~~~~~~~
../../sqlitestudiocli/commands/clicommandsql.cpp: In member function 'void CliCommandSql::printResultsRowByRow(QueryExecutor*, SqlQueryPtr)':
../../sqlitestudiocli/commands/clicommandsql.cpp:270:38: error: 'termWidth' was not declared in this scope
270 | qOut << center(rowCntString, termWidth - 1, '-') << "\n";
| ^~~~~~~~~
make[1]: *** [Makefile:1404: ../../../output/build/sqlitestudiocli/clicommandsql.obj] Error 1

Any idea what i miss in here??

With kind regards, Tellie