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meson: Enable -Wno-deprecated only for bison > 2.3.

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Older versions of bison do not support the -W option.

Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2571
Fixes: 11a1cb2fa8 ("meson: Disable bison's -Wdeprecated since we still support old bison.")
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3993>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3993>
This commit is contained in:
Vinson Lee 2020-02-27 21:01:55 -08:00
parent 5306b662dd
commit 1e43910aa2
1 changed files with 3 additions and 1 deletions
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meson.build
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@ -1512,7 +1512,9 @@ else
# 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
prog_bison = [prog_bison, '-Wno-deprecated']
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