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<div class="moz-cite-prefix">On 06/05/2026 16:24, Danny Gowin via
fpc-pascal wrote:<br>
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cite="mid:SN6PR06MB49418E0E670D2DD2ECFDBC97DA3F2@SN6PR06MB4941.namprd06.prod.outlook.com">
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I need to report a bug in Lazarus running on Fedora. </div>
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<a
href="https://gitlab.com/freepascal.org/fpc/source/-/work_items?sort=created_date&state=opened&first_page_size=20"
id="OWAa73c3cef-1312-11b9-5379-e58189769297"
class="OWAAutoLink" moz-do-not-send="true">Work items · FPC
Source · GitLab</a></div>
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<br>
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Fedora 44, Lazarus version 4.6, FPC Version 3.2.2, Project:
Simple Program.</div>
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<br>
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<b>Program mytestprog01;</b></div>
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<b><br>
</b></div>
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<b>Uses crt;</b></div>
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<b><br>
</b></div>
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<b>Begin</b></div>
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<b> Writeln('Hello World');</b></div>
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<b> Readln;</b></div>
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<b>end.</b></div>
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<br>
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When Compile Run is initiated.</div>
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<div class="elementToProof" role="presentation">Run With
Debugger.</div>
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<u>A terminal Window is NOT initiated.</u></div>
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The program can be Stopped. But the IDE returns no Error.</div>
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The compiled program executes correctly when run manually from a
terminal.</div>
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Question: Lazarus on Fedora, is the IDE making a call to an
obsolete terminal program like xterm?</div>
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This feature works correctly on the Windows 11, Lazarus version
4.6, FPC Version 3.2.2, Project: Simple Program.</div>
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</blockquote>
<br>
Actually a Lazarus question, not an FPC question.<br>
<br>
Currently on Linux, all terminal IO is redirected to <br>
Menu: view > debug windows > console<br>
<br>
But, that is a very simple text console without terminal
functionality. You will see text, and be able to enter text...
nothing else.<br>
<br>
<br>
On Windows the OS opens a new terminal window for the debugged app.
On Linux the caller (here IDE) would need to start a terminal
(xterm, gnome-term, ...) and run the app inside => that is not
supported currently.<br>
<br>
There are a few "workarounds"<br>
<br>
1) Tools >Options > debugger backend : there is a setting
about PTY<br>
If you have a terminal open, and know its pty, then you can enter
this pty in the settings, and all in/output is redirected.<br>
<br>
2) (not tested myself)<br>
Run the app in gdbserver inside a terminal, and use the gdb server
debugger to connect to it. <br>
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