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meson: Use a C99 STDC_VERSION for flex 

Fixes: 8575d0e8 ("meson: modernize win_flex stdint.h logic")
Acked-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16839>
This commit is contained in:
Jesse Natalie 2022-06-02 09:26:54 -07:00 committed by Marge Bot
parent ae19e9c292
commit 3cd320c5fa
1 changed files with 4 additions and 1 deletions
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meson.build
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@ -1925,7 +1925,10 @@ if build_machine.system() == 'windows'
prog_flex_cpp = prog_flex
# Convince win_flex to use <inttypes.h> for C++ files
prog_flex_cpp += '-D__STDC_VERSION__=201112'
# Note that we are using a C99 version here rather than C11,
# because using a C11 version can cause the MSVC CRT headers to define
# static_assert to _Static_assert, which breaks other parts of the CRT
prog_flex_cpp += '-D__STDC_VERSION__=199901'
prog_bison = find_program('win_bison', required : false)
if not prog_bison.found()