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C++11 says there's no need to define __STDC_CONSTANT_MACROS etc. when including inttypes.h and stdint.h. Support this change to the standard. * doc/posix-headers/inttypes.texi (inttypes.h): * doc/posix-headers/stdint.texi (stdint.h): Document this. * lib/inttypes.in.h (__STDC_FORMAT_MACROS) [! __cplusplus]: Define if not defined already, for the benefit of pre-C++11 hosts. Define the standard format macros (e.g., PRId8) always. * lib/stdint.in.h (__STDC_CONSTANT_MACROS, __STDC_LIMIT_MACROS): Likewise, if __cpluspus. Define the standard constant and limit macros (e.g., INT8_C, INT8_MAX) always. * m4/inttypes.m4 (gl_INTTYPES_INCOMPLETE): Do not define GL_TRIGGER_STDC_LIMIT_MACROS or __STDC_LIMIT_MACROS; no longer needed. * m4/stdint.m4 (gl_STDINT_H): Update comments about these macros. * tests/test-inttypes.c (__STDC_LIMIT_MACROS, __STDC_CONSTANT_MACROS) (__STDC_FORMAT_MACROS): Do not define, since we assume C++11 API now. * tests/test-stdint.c (__STDC_LIMIT_MACROS, __STDC_CONSTANT_MACROS): Likewise.
34 lines
1018 B
Plaintext
34 lines
1018 B
Plaintext
@node inttypes.h
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@section @file{inttypes.h}
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/basedefs/inttypes.h.html}
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Gnulib module: inttypes
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Portability problems fixed by Gnulib:
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@itemize
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@item
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This header file is missing on some platforms:
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OSF/1 4.0, MSVC 9, Interix 3.5.
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@item
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This header file is very incomplete on some platforms.
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@item
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The PRI* macros are defined to non-string values on AIX 4.3.3.
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@item
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The declarations of @code{imaxabs} and @code{imaxdiv} are missing on some
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platforms:
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NetBSD 3.0, OpenBSD 3.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, BeOS.
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@item
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The declarations of @code{strtoimax} and @code{strtoumax} are missing on some
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platforms:
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OpenBSD 3.8, AIX 4.3.2, AIX 5.1 (missing only @code{strtoumax}), OSF/1 5.1.
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@item
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On some hosts that predate C++11, when using C++ one must define
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@code{__STDC_FORMAT_MACROS} to make visible the declarations of format
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macros such as @code{PRIdMAX}.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@end itemize
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