Using GTK

To compile a GTK application, you need to tell the compiler where to find the GTK header files and libraries. This is done with the pkg-config utility.

The following interactive shell session demonstrates how pkg-config is used (the actual output on your system may be different):

$ pkg-config --cflags gtk4
-mfpmath=sse -msse -msse2
$ pkg-config --libs gtk4

The simplest way to compile a program is to use the “backticks” feature of the shell. If you enclose a command in backticks (not single quotes), then its output will be substituted into the command line before execution. So to compile a GTK “Hello, World” application, you would type the following:

$ cc `pkg-config --cflags gtk4` hello.c -o hello `pkg-config --libs gtk4`

Development environments

You can use various integrated development environments to write your GTK applications, as well as contributing to GTK.

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