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meson: define _UCRT_NOISY_NAN to workaround the non-constant NAN define 

Windows SDK 10.0.26100.0 defines the NAN macro in a non-constant manner.
This violates the C/C++ standard and breaks the compilation of
initializers with Clang.

See:
https://developercommunity.visualstudio.com/t/NAN-is-no-longer-compile-time-constant-i/10688907
This commit is contained in:
Kacper Michajłow 2024-11-16 19:29:42 +01:00
parent dd5f2069b8
commit e8fd7b8798
1 changed files with 3 additions and 0 deletions
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@ -318,6 +318,9 @@ mswin_flags = ['-D_WIN32_WINNT=0x0A00', '-DWINVER=0x0A00', '-DUNICODE',
'-D_CRT_DECLARE_NONSTDC_NAMES', '-D_CRT_NONSTDC_NO_WARNINGS',
'-D_CRT_SECURE_NO_WARNINGS', '-DWINRT_NO_SOURCE_LOCATION']
# https://developercommunity.visualstudio.com/t/NAN-is-no-longer-compile-time-constant-i/10688907
mswin_flags += '-D_UCRT_NOISY_NAN'
if host_machine.system() == 'windows'
flags += [mswin_flags]
flags_c += ['-U__STRICT_ANSI__']