Fails to build
when building on the devkit it fails like
libtool: compile: gcc -DHAVE_CONFIG_H -I. -I../../../../gtk -I.. -DG_LOG_DOMAIN=\"Gtk\" -DG_LOG_USE_STRUCTURED=1 -DGTK_VERSION=\"3.24.8\" -DGTK_BINARY_VERSION=\"3.0.0\" -DGTK_COMPILATION -DGTK_PRINT_BACKEND_ENABLE_UNSUPPORTED -DGTK_LIBDIR=\"/usr/lib/aarch64-linux-gnu\" -DGTK_LOCALEDIR=\"/usr/share/locale\" -DGTK_DATADIR=\"/usr/share\" -DGTK_DATA_PREFIX=\"/usr\" -DGTK_SYSCONFDIR=\"/etc\" -DGTK_HOST=\"aarch64-unknown-linux-gnu\" -DGTK_PRINT_BACKENDS=\"file,cups,cloudprint\" -DX11_DATA_PREFIX=\"/usr\" -DISO_CODES_PREFIX=\"/usr\" -I.. -I../gtk -I../../../.. -I../../../../gdk -pthread -I/usr/include/glib-2.0 -I/usr/lib/aarch64-linux-gnu/glib-2.0/include -DG_ENABLE_DEBUG -DG_DISABLE_CAST_CHECKS -DGLIB_MIN_REQUIRED_VERSION=GLIB_VERSION_2_52 -DGLIB_MAX_ALLOWED_VERSION=GLIB_VERSION_2_54 -pthread -I/usr/include/pango-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/aarch64-linux-gnu/dbus-1.0/include -I/usr/include/libdrm -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/fribidi -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/gio-unix-2.0 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/uuid -I/usr/include/glib-2.0 -I/usr/lib/aarch64-linux-gnu/glib-2.0/include -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/fribidi -I/usr/include/glib-2.0 -I/usr/lib/aarch64-linux-gnu/glib-2.0/include -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -Wdate-time -D_FORTIFY_SOURCE=2 -fvisibility=hidden -g -O2 -fdebug-prefix-map=/home/purism/pkgs/gtk=. -fstack-protector-strong -Wformat -Werror=format-security -Wall -c ../../../../gtk/hdy-view-switcher.c -fPIC -DPIC -o .libs/libgtk_3_la-hdy-view-switcher.o
../../../../gtk/hdy-view-switcher.c: In function ‘gtk_hdy_view_switcher_class_init’:
../../../../gtk/hdy-view-switcher.c:530:24: error: ‘GTK_TYPE_HDY_VIEW_SWITCHER_POLICY’ undeclared (first use in this function); did you mean ‘GTK_TYPE_HDY_VIEW_SWITCHER_BUTTON’?
GTK_TYPE_HDY_VIEW_SWITCHER_POLICY, GTK_HDY_VIEW_SWITCHER_POLICY_AUTO,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GTK_TYPE_HDY_VIEW_SWITCHER_BUTTON
../../../../gtk/hdy-view-switcher.c:530:24: note: each undeclared identifier is reported only once for each function it appears in
this is where it shows up
$ grep -r GTK_TYPE_HDY_VIEW_SWITCHER_POLICY .
./debian/build/deb/gtk/gtkprivatetypebuiltins.h:#define GTK_TYPE_HDY_VIEW_SWITCHER_POLICY (_gtk_hdy_view_switcher_policy_get_type ())
./gtk/hdy-view-switcher-bar.c: GTK_TYPE_HDY_VIEW_SWITCHER_POLICY, GTK_HDY_VIEW_SWITCHER_POLICY_NARROW,
./gtk/hdy-view-switcher.c: GTK_TYPE_HDY_VIEW_SWITCHER_POLICY, GTK_HDY_VIEW_SWITCHER_POLICY_AUTO,