On Wed, 7 Nov 2018 11:46:44 +0100 Ralf Mardorf <silver.bullet at zoho.com> wrote: > on Arch Linux > > building claws 3.17.0 r149 against gtk3 3.24.1+8+g220f77d8c1 fails > [1] > > and on Ubuntu 16.04.5 LTS > > building claws 3.17.0 r150 against gtk3 3.18.9 fails [2]. Try the gtk3 branch instead. with regards Paul