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Don't expose __generic() when not using C++.
According to the GCC documentation, the constructs used to implement <tgmath.h> are only available in C mode. They only cause breakage when used used with g++. Reported by: tijl
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=230277
@ -260,7 +260,7 @@
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#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
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#define __generic(expr, t, yes, no) \
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_Generic(expr, t: yes, default: no)
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#elif __GNUC_PREREQ__(3, 1)
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#elif __GNUC_PREREQ__(3, 1) && !defined(__cplusplus)
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#define __generic(expr, t, yes, no) \
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__builtin_choose_expr( \
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__builtin_types_compatible_p(__typeof(expr), t), yes, no)
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