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porting.texi (_GLIBCPP_USE_C99_CHECK): New macro.

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* docs/html/17_intro/porting.texi (_GLIBCPP_USE_C99_CHECK): New macro.
	(_GLIBCPP_USE_C99_DYNAMIC): New macro.
	(_GLIBCPP_USE_C99_LONG_LONG_CHECK): New macro.
	(_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC): New macro.
	* config/os/bsd/freebsd/os_defines.h (_GLIBCPP_USE_C99_CHECK):
	New macro.
	(_GLIBCPP_USE_C99_DYNAMIC): New macro.
	(_GLIBCPP_USE_C99_LONG_LONG_CHECK): New macro.
	(_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC): New macro.
	* include/c_std/std_cstdlib.h: Use new macros.
	* include/c_std/std_cstdio.h: Use new macros.
	* include/c_std/std_cwchar.h: Use new macros.

From-SVN: r65778
This commit is contained in:
Loren J. Rittle 2003-04-18 09:53:58 +00:00 committed by Loren J. Rittle
parent c04ec67ecd
commit 9c59483708
6 changed files with 92 additions and 4 deletions
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13
libstdc++-v3/ChangeLog
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@ -3,6 +3,19 @@
* include/c_std/std_cmath.h (C99 FP capture): Only undefine said
C99 FP macros, if actually captured.
* docs/html/17_intro/porting.texi (_GLIBCPP_USE_C99_CHECK): New macro.
(_GLIBCPP_USE_C99_DYNAMIC): New macro.
(_GLIBCPP_USE_C99_LONG_LONG_CHECK): New macro.
(_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC): New macro.
* config/os/bsd/freebsd/os_defines.h (_GLIBCPP_USE_C99_CHECK):
New macro.
(_GLIBCPP_USE_C99_DYNAMIC): New macro.
(_GLIBCPP_USE_C99_LONG_LONG_CHECK): New macro.
(_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC): New macro.
* include/c_std/std_cstdlib.h: Use new macros.
* include/c_std/std_cstdio.h: Use new macros.
* include/c_std/std_cwchar.h: Use new macros.
2003-04-17 Benjamin Kosnik <bkoz@redhat.com>
PR libstdc++/9555

4
libstdc++-v3/config/os/bsd/freebsd/os_defines.h
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@ -34,6 +34,10 @@
// System-specific #define, typedefs, corrections, etc, go here. This
// file will come before all others.
#define _GLIBCPP_USE_C99_CHECK 1
#define _GLIBCPP_USE_C99_DYNAMIC (!(__ISO_C_VISIBLE >= 1999))
#define _GLIBCPP_USE_C99_LONG_LONG_CHECK 1
#define _GLIBCPP_USE_C99_LONG_LONG_DYNAMIC (_GLIBCPP_USE_C99_DYNAMIC || !defined __LONG_LONG_SUPPORTED)
#define _GLIBCPP_USE_C99_FLOAT_TRANSCENDENTALS_CHECK 1
#define _GLIBCPP_USE_C99_FLOAT_TRANSCENDENTALS_DYNAMIC defined _XOPEN_SOURCE

22
libstdc++-v3/docs/html/17_intro/porting.texi
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@ -156,6 +156,28 @@ port doesn't use thunks (although it is unclear that this is still
useful since libio support isn't currently working and the g++ v3 ABI
invalidates the assumption that some ports don't use thunks).
@code{_GLIBCPP_USE_C99_CHECK} may be defined to 1 to check C99
function declarations (which are not covered by specialization below)
found in system headers against versions found in the library headers
derived from the standard.
@code{_GLIBCPP_USE_C99_DYNAMIC} may be defined to an expression that
yields 0 if and only if the system headers are exposing proper support
for C99 functions (which are not covered by specialization below). If
defined, it must be 0 while bootstrapping the compiler/rebuilding the
library.
@code{_GLIBCPP_USE_C99_LONG_LONG_CHECK} may be defined to 1 to check
the set of C99 long long function declarations found in system headers
against versions found in the library headers derived from the
standard.
@code{_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC} may be defined to an
expression that yields 0 if and only if the system headers are
exposing proper support for the set of C99 long long functions. If
defined, it must be 0 while bootstrapping the compiler/rebuilding the
library.
@code{_GLIBCPP_USE_C99_FP_MACROS_DYNAMIC} may be defined to an
expression that yields 0 if and only if the system headers
are exposing proper support for the related set of macros. If defined,

15
libstdc++-v3/include/c_std/std_cstdio.h
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@ -1,6 +1,6 @@
// -*- C++ -*- forwarding header.
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
@ -152,11 +152,24 @@ namespace std
namespace __gnu_cxx
{
#if _GLIBCPP_USE_C99_CHECK || _GLIBCPP_USE_C99_DYNAMIC
extern "C" int
(snprintf)(char * restrict, size_t, const char * restrict, ...);
extern "C" int
(vfscanf)(FILE * restrict, const char * restrict, __gnuc_va_list);
extern "C" int (vscanf)(const char * restrict, __gnuc_va_list);
extern "C" int
(vsnprintf)(char * restrict, size_t, const char * restrict, __gnuc_va_list);
extern "C" int
(vsscanf)(const char * restrict, const char * restrict, __gnuc_va_list);
#endif
#if !_GLIBCPP_USE_C99_DYNAMIC
using ::snprintf;
using ::vfscanf;
using ::vscanf;
using ::vsnprintf;
using ::vsscanf;
#endif
}
namespace std

26
libstdc++-v3/include/c_std/std_cstdlib.h
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@ -1,6 +1,6 @@
// -*- C++ -*- forwarding header.
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
@ -135,8 +135,15 @@ namespace std
namespace __gnu_cxx
{
#if !_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC
using ::lldiv_t;
#endif
#if _GLIBCPP_USE_C99_CHECK || _GLIBCPP_USE_C99_DYNAMIC
extern "C" void (_Exit)(int);
#endif
#if !_GLIBCPP_USE_C99_DYNAMIC
using ::_Exit;
#endif
inline long long
abs(long long __x) { return __x >= 0 ? __x : -__x; }
@ -144,6 +151,7 @@ namespace __gnu_cxx
inline long long
llabs(long long __x) { return __x >= 0 ? __x : -__x; }
#if !_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC
inline lldiv_t
div(long long __n, long long __d)
{ lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; }
@ -151,22 +159,36 @@ namespace __gnu_cxx
inline lldiv_t
lldiv(long long __n, long long __d)
{ lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; }
#endif
#if _GLIBCPP_USE_C99_LONG_LONG_CHECK || _GLIBCPP_USE_C99_LONG_LONG_DYNAMIC
extern "C" long long int (atoll)(const char *);
extern "C" long long int
(strtoll)(const char * restrict, char ** restrict, int);
extern "C" unsigned long long int
(strtoull)(const char * restrict, char ** restrict, int);
#endif
#if !_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC
using ::atoll;
using ::strtof;
using ::strtoll;
using ::strtoull;
#endif
using ::strtof;
using ::strtold;
}
namespace std
{
#if !_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC
using __gnu_cxx::lldiv_t;
#endif
using __gnu_cxx::_Exit;
using __gnu_cxx::abs;
using __gnu_cxx::llabs;
#if !_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC
using __gnu_cxx::div;
using __gnu_cxx::lldiv;
#endif
using __gnu_cxx::atoll;
using __gnu_cxx::strtof;
using __gnu_cxx::strtoll;

16
libstdc++-v3/include/c_std/std_cwchar.h
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@ -1,6 +1,6 @@
// -*- C++ -*- forwarding header.
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
@ -225,9 +225,23 @@ namespace std
namespace __gnu_cxx
{
#if _GLIBCPP_USE_C99_CHECK || _GLIBCPP_USE_C99_DYNAMIC
extern "C" long double
(wcstold)(const wchar_t * restrict, wchar_t ** restrict);
#endif
#if !_GLIBCPP_USE_C99_DYNAMIC
using ::wcstold;
#endif
#if _GLIBCPP_USE_C99_LONG_LONG_CHECK || _GLIBCPP_USE_C99_LONG_LONG_DYNAMIC
extern "C" long long int
(wcstoll)(const wchar_t * restrict, wchar_t ** restrict, int);
extern "C" unsigned long long int
(wcstoull)(const wchar_t * restrict, wchar_t ** restrict, int);
#endif
#if !_GLIBCPP_USE_C99_LONG_LONG_DYNAMIC
using ::wcstoll;
using ::wcstoull;
#endif
}
namespace std