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I've just compiled a C++ program - which is not a console program, but instead, graphical and using gtkmm.

After building with g++, I can launch it by typing ./program from the terminal. However, if I try to execute it by double-click through the File Manager, it won't run - opens in Text Editor instead. It doesn't even ask me if I want to execute or open in text editor, like it would if this were a bash script for example.

The executable bit is set for this file.

Why is this happening?

  • What command did you use to compile? – DrZoo Apr 13 '18 at 3:44
  • @DrZoo g++ randolfi.cpp -o randolfi with a long list of include paths and libraries (using -I and -l, respectively) from gtkmm and dependencies. – Marc.2377 Apr 13 '18 at 4:05
  • How many files do you have? – DrZoo Apr 13 '18 at 4:11
  • You should do something like g++ helloworld.cpp -o helloworld 'pkg-config gtkmm-X.X --cflags --libs' Where X and X is the version, for example gtkmm-3.0 idk what the current version is. Substitute the ' with a `. I only used them so it wouldn't format it – DrZoo Apr 13 '18 at 4:17
  • @DrZoo Hm, didn't think about piping output from pkg-config directly to the build command. But I was indeed using it, only I was copy-pasting the output. Anyway, my problem is not related to the build process at all. It runs from terminal, and also from a desktop launcher I made. – Marc.2377 Apr 13 '18 at 4:26
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Apparently, from reading here (https://unix.stackexchange.com/a/335763/154671), this is simply not possible anymore in GNOME Files, and by extension, Nemo, which is the file browser I'm using.

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