To install GTK + you need this command line: $ sudo dnf install gtk3-devel gstreamer1-devel clutter-devel webkit2gtk3-devel libgda-devel gobject-introspection-devel You can compile the code in C with this command lineTest this code in C language: $ gcc hello.c -o hello `pkg-config --cflags --libs gtk+-3.0`

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