null_dep = dependency('', required : false)
+if get_option('layout') != 'mirror'
+ error('`mirror` is the only build directory layout supported')
+endif
+
# Arguments for the preprocessor, put these in a separate array from the C and
# C++ (cpp in meson terminology) arguments since they need to be added to the
# default arguments for both C and C++.
endif
else
prog_bison = find_program('bison', required : with_any_opengl)
+
+ # Disable deprecated keyword warnings, since we have to use them for
+ # old-bison compat. See discussion in
+ # https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2161
+ if meson.version().version_compare('>= 0.52.0') and find_program('bison', required : false, version : '> 2.3').found()
+ prog_bison = [prog_bison, '-Wno-deprecated']
+ endif
+
prog_flex = find_program('flex', required : with_any_opengl)
endif