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55dd65cddc
- Add some features to autoconf that makes it cleaner and faster - Modernize some of the autoconf macros - Update compiler.h with some C23 features Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
23 lines
981 B
Plaintext
23 lines
981 B
Plaintext
dnl --------------------------------------------------------------------------
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dnl PA_COMMON_ATTRIBUTES
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dnl
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dnl Test for a bunch of common function attributes and define macros for them.
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dnl --------------------------------------------------------------------------
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AC_DEFUN([PA_COMMON_ATTRIBUTES],
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[PA_ADD_CPPFLAGS([-Werror=attributes])
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PA_FUNC_ATTRIBUTE(noreturn)
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PA_FUNC_ATTRIBUTE(returns_nonnull,,[void *],,,never_null)
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PA_FUNC_ATTRIBUTE(malloc,,[void *])
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PA_FUNC_ATTRIBUTE(alloc_size,[1],[void *],[int],[80])
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PA_FUNC_ATTRIBUTE(alloc_size,[1,2],[void *],[int,int],[20,40])
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PA_FUNC_ATTRIBUTE(sentinel,,,[const char *, ...],["a","b",NULL],end_with_null)
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PA_FUNC_ATTRIBUTE(format,[printf,1,2],int,[const char *, ...],["%d",1])
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PA_FUNC_ATTRIBUTE(const)
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PA_FUNC_ATTRIBUTE(unsequenced)
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PA_FUNC_ATTRIBUTE(reproducible)
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PA_FUNC_ATTRIBUTE(pure)
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PA_FUNC_ATTRIBUTE(cold,,,,,unlikely_func)
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PA_FUNC_ATTRIBUTE(maybe_unused)
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PA_FUNC_ATTRIBUTE(unused)
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PA_FUNC_ATTRIBUTE_ERROR])
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