Uses deprecated gnome-common macros/variables
As reported on http://bugs.debian.org/829777 , dasher makes use of deprecated gnome-common macros and variables:
GNOME_DOC_INIT [1] GNOME_COMMON_INIT [2]
REQUIRED_GNOME_DOC_UTILS_VERSION REQUIRED_DOC_COMMON_VERSION USE_COMMON_DOC_BUILD FORBIDDEN_M4MACROS GNOME2_DIR GNOME2_PATH USE_GNOME2_MACROS
GNOME_COMPILE_WARNINGS [4] GNOME_CXX_WARNINGS [5]
[1] https://git.gnome.org/browse/gnome-common/commit/?id=6684e2fa5 [2] https://git.gnome.org/browse/gnome-common/commit/?id=1f60e9536 [3] https://git.gnome.org/browse/gnome-common/commit/?id=4c8d8ad93 [4] https://git.gnome.org/browse/gnome-common/commit/?id=b57bae0be [5] https://git.gnome.org/browse/gnome-common/commit/?id=2bffd7e1u [6] https://wiki.gnome.org/Projects/GnomeCommon/Migration