Otherwise this error is shown when cross-compiling:
configure: WARNING:
You will not be able to create source packages with 'make dist'
because gtk-doc >= 1.0 is not found.
checking for gtkdoc-check... gtkdoc-check.test
checking for gtkdoc-check... /nix/store/c54j3jcj3cijg9kf54lcr94lsc09xd4r-gtk-doc-1.33.2/bin/gtkdoc-check
checking for gtkdoc-rebase... /nix/store/c54j3jcj3cijg9kf54lcr94lsc09xd4r-gtk-doc-1.33.2/bin/gtkdoc-rebase
checking for gtkdoc-mkpdf... /nix/store/c54j3jcj3cijg9kf54lcr94lsc09xd4r-gtk-doc-1.33.2/bin/gtkdoc-mkpdf
checking whether to build gtk-doc documentation... yes
configure: error:
You must have gtk-doc >= 1.0 installed to build documentation for
libqrtr-glib. Please install gtk-doc or disable building the
documentation by adding '--disable-gtk-doc' to './configure'.
Also enable strictDeps to prevent future issues.