I still have error:
$ echo "#include <cmath>" | g++ -x c++ -c - -m32 -mfpmath=both -std=gnu++11
-o /dev/null
In file included from <stdin>:1:0:
c:\gccbuild\msys\temp\x64-4.7.2-release-posix-sjlj-rev5\prefix\bin\../lib/gcc/x86_64-w64-mingw32/4.7.2/include/c++/cmath:1040:11:
error: '::double_t' has not been declared
c:\gccbuild\msys\temp\x64-4.7.2-release-posix-sjlj-rev5\prefix\bin\../lib/gcc/x86_64-w64-mingw32/4.7.2/include/c++/cmath:1041:11:
error: '::float_t' has not been declared
On 64 multilib toolchain when execute
echo "#include <cmath>" | g++ -x c++ -c - -m32 -mfpmath=both -std=gnu++11
-o /dev/null
2012/12/24 Kai Tietz <ktiet...@googlemail.com>
> Hmm, I don't see the point why we should limit that for x64 case to
> __FLT_EVAL_METHOD == -1? In all cases it has simply to use
> float/double for x64. Btw AFAIK is *nix using same approach.
> What is actual the issue you still get?
>
> Kai
>
> 2012/12/24 Алексей Павлов <alex...@gmail.com>:
> > I think possible patch to complete resolve this problem is
> >
> > --- math.h.orig 2012-12-23 11:56:01 +0400
> > +++ math.h 2012-12-24 13:10:52 +0400
> > @@ -318,8 +318,16 @@
> >
> > /* Use the compiler's builtin define for FLT_EVAL_METHOD to
> > set float_t and double_t. */
> > -#if defined (__x86_64__) || defined(__FLT_EVAL_METHOD__)
> > -# if defined (__x86_64__) || ( __FLT_EVAL_METHOD__== 0)
> > +#if defined(__FLT_EVAL_METHOD__)
> > +# if ( __FLT_EVAL_METHOD__== -1)
> > +# if defined (__x86_64__)
> > +typedef long double float_t;
> > +typedef long double double_t;
> > +# else
> > +typedef float float_t;
> > +typedef double double_t;
> > +# endif
> > +# elif ( __FLT_EVAL_METHOD__== 0)
> > typedef float float_t;
> > typedef double double_t;
> > # elif (__FLT_EVAL_METHOD__ == 1)
> >
> >
> > 2012/12/24 Алексей Павлов <alex...@gmail.com>
> >>
> >> I find that when I try to execute
> >> echo "#include <cmath>" | g++ -x c++ -c - -m32 -mfpmath=both
> -std=gnu++11
> >> -o /dev/null
> >>
> >> _x86_64_ not defined and __FLT_EVAL_METHOD__==-1
> >>
> >> Why gcc internal definition of __FLT_EVAL_METHOD__ not applied during
> >> execute code?
> >>
> >>
> >> 2012/12/24 Алексей Павлов <alex...@gmail.com>
> >>>
> >>> Below is difference of gcc internal definitions of 64 multilib
> toolchain
> >>> with -m32 switch and without it:
> >>>
> >>> --- m32.txt 2012-12-24 09:46:13 +0400
> >>> +++ m64.txt 2012-12-24 09:44:19 +0400
> >>> @@ -7,9 +7,10 @@
> >>> #define __INTMAX_C(c) c ## LL
> >>> #define __CHAR_BIT__ 8
> >>> #define __UINT8_MAX__ 255
> >>> +#define _WIN64 1
> >>> #define __WINT_MAX__ 65535
> >>> #define __ORDER_LITTLE_ENDIAN__ 1234
> >>> -#define __SIZE_MAX__ 4294967295U
> >>> +#define __SIZE_MAX__ 18446744073709551615ULL
> >>> #define __WCHAR_MAX__ 65535
> >>> #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1
> >>> #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1
> >>> @@ -17,8 +18,9 @@
> >>> #define __DBL_DENORM_MIN__ ((double)4.94065645841246544177e-324L)
> >>> #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 1
> >>> #define __GCC_ATOMIC_CHAR_LOCK_FREE 2
> >>> -#define __FLT_EVAL_METHOD__ 2
> >>> +#define __FLT_EVAL_METHOD__ 0
> >>> #define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 2
> >>> +#define __x86_64 1
> >>> #define __UINT_FAST64_MAX__ 18446744073709551615ULL
> >>> #define __SIG_ATOMIC_TYPE__ int
> >>> #define __DBL_MIN_10_EXP__ (-307)
> >>> @@ -44,11 +46,12 @@
> >>> #define __DBL_DIG__ 15
> >>> #define __GCC_ATOMIC_POINTER_LOCK_FREE 2
> >>> #define __SIZEOF_INT__ 4
> >>> -#define __SIZEOF_POINTER__ 4
> >>> -#define __USER_LABEL_PREFIX__ _
> >>> +#define __SIZEOF_POINTER__ 8
> >>> +#define __USER_LABEL_PREFIX__
> >>> #define __STDC_HOSTED__ 1
> >>> #define __WIN32 1
> >>> #define __LDBL_HAS_INFINITY__ 1
> >>> +#define __WIN64 1
> >>> #define __FLT_EPSILON__ 1.19209289550781250000e-7F
> >>> #define __LDBL_MIN__ 3.36210314311209350626e-4932L
> >>> #define __DEC32_MAX__ 9.999999E96DF
> >>> @@ -63,7 +66,7 @@
> >>> #define _cdecl __attribute__((__cdecl__))
> >>> #define __MMX__ 1
> >>> #define __FLT_HAS_DENORM__ 1
> >>> -#define __SIZEOF_LONG_DOUBLE__ 12
> >>> +#define __SIZEOF_LONG_DOUBLE__ 16
> >>> #define __BIGGEST_ALIGNMENT__ 16
> >>> #define __DBL_MAX__ ((double)1.79769313486231570815e+308L)
> >>> #define _thiscall __attribute__((__thiscall__))
> >>> @@ -81,10 +84,12 @@
> >>> #define __DEC32_MIN__ 1E-95DF
> >>> #define __DBL_MAX_EXP__ 1024
> >>> #define __DEC128_EPSILON__ 1E-33DL
> >>> +#define __SSE2_MATH__ 1
> >>> #define __WIN32__ 1
> >>> -#define __PTRDIFF_MAX__ 2147483647
> >>> +#define __PTRDIFF_MAX__ 9223372036854775807LL
> >>> +#define __amd64 1
> >>> #define __LONG_LONG_MAX__ 9223372036854775807LL
> >>> -#define __SIZEOF_SIZE_T__ 4
> >>> +#define __SIZEOF_SIZE_T__ 8
> >>> #define __SIZEOF_WINT_T__ 2
> >>> #define __GXX_ABI_VERSION 1002
> >>> #define __FLT_MIN_EXP__ (-125)
> >>> @@ -99,12 +104,10 @@
> >>> #define __cdecl __attribute__((__cdecl__))
> >>> #define __UINT8_TYPE__ unsigned char
> >>> #define __NO_INLINE__ 1
> >>> -#define __i386 1
> >>> #define __FLT_MANT_DIG__ 24
> >>> #define __VERSION__ "4.7.2"
> >>> #define __UINT64_C(c) c ## ULL
> >>> #define __GCC_ATOMIC_INT_LOCK_FREE 2
> >>> -#define _X86_ 1
> >>> #define __FLOAT_WORD_ORDER__ __ORDER_LITTLE_ENDIAN__
> >>> #define __INT32_C(c) c
> >>> #define __DEC64_EPSILON__ 1E-15DD
> >>> @@ -113,18 +116,20 @@
> >>> #define __INT_FAST32_TYPE__ int
> >>> #define __UINT_LEAST16_TYPE__ short unsigned int
> >>> #define __INT16_MAX__ 32767
> >>> -#define __i386__ 1
> >>> -#define __SIZE_TYPE__ unsigned int
> >>> +#define __SIZE_TYPE__ long long unsigned int
> >>> #define __UINT64_MAX__ 18446744073709551615ULL
> >>> #define __INT8_TYPE__ signed char
> >>> #define __FLT_RADIX__ 2
> >>> #define __INT_LEAST16_TYPE__ short int
> >>> #define __LDBL_EPSILON__ 1.08420217248550443401e-19L
> >>> #define __UINTMAX_C(c) c ## ULL
> >>> +#define __SSE_MATH__ 1
> >>> #define __k8 1
> >>> +#define __SEH__ 1
> >>> #define __SIG_ATOMIC_MAX__ 2147483647
> >>> #define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 2
> >>> -#define __SIZEOF_PTRDIFF_T__ 4
> >>> +#define __SIZEOF_PTRDIFF_T__ 8
> >>> +#define __x86_64__ 1
> >>> #define __DEC32_SUBNORMAL_MIN__ 0.000001E-95DF
> >>> #define __MSVCRT__ 1
> >>> #define __INT_FAST16_MAX__ 32767
> >>> @@ -149,7 +154,7 @@
> >>> #define __INT_LEAST8_TYPE__ signed char
> >>> #define __DEC32_MAX_EXP__ 97
> >>> #define __INT_FAST8_MAX__ 127
> >>> -#define __INTPTR_MAX__ 2147483647
> >>> +#define __INTPTR_MAX__ 9223372036854775807LL
> >>> #define __GXX_MERGED_TYPEINFO_NAMES 0
> >>> #define __stdcall __attribute__((__stdcall__))
> >>> #define __SSE2__ 1
> >>> @@ -157,20 +162,24 @@
> >>> #define __DBL_HAS_QUIET_NAN__ 1
> >>> #define __SIG_ATOMIC_MIN__ (-__SIG_ATOMIC_MAX__ - 1)
> >>> #define __k8__ 1
> >>> -#define __INTPTR_TYPE__ int
> >>> +#define __INTPTR_TYPE__ long long int
> >>> #define __UINT16_TYPE__ short unsigned int
> >>> #define __WCHAR_TYPE__ short unsigned int
> >>> #define __SIZEOF_FLOAT__ 4
> >>> -#define __UINTPTR_MAX__ 4294967295U
> >>> +#define __pic__ 1
> >>> +#define __UINTPTR_MAX__ 18446744073709551615ULL
> >>> #define __DEC64_MIN_EXP__ (-382)
> >>> #define __INT_FAST64_MAX__ 9223372036854775807LL
> >>> #define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1
> >>> #define __FLT_DIG__ 6
> >>> #define __UINT_FAST64_TYPE__ long long unsigned int
> >>> #define __INT_MAX__ 2147483647
> >>> +#define __amd64__ 1
> >>> #define WIN32 1
> >>> #define __INT64_TYPE__ long long int
> >>> #define __FLT_MAX_EXP__ 128
> >>> +#define WIN64 1
> >>> +#define __ORDER_BIG_ENDIAN__ 4321
> >>> #define __DBL_MANT_DIG__ 53
> >>> #define __INT_LEAST64_MAX__ 9223372036854775807LL
> >>> #define __GCC_ATOMIC_CHAR16_T_LOCK_FREE 2
> >>> @@ -181,6 +190,7 @@
> >>> #define __SSE__ 1
> >>> #define __LDBL_MIN_EXP__ (-16381)
> >>> #define __INT_LEAST8_MAX__ 127
> >>> +#define __SIZEOF_INT128__ 16
> >>> #define __LDBL_MAX_10_EXP__ 4932
> >>> #define __ATOMIC_RELAXED 0
> >>> #define __DBL_EPSILON__ ((double)2.22044604925031308085e-16L)
> >>> @@ -193,13 +203,14 @@
> >>> #define __fastcall __attribute__((__fastcall__))
> >>> #define __DBL_DECIMAL_DIG__ 17
> >>> #define __DEC_EVAL_METHOD__ 2
> >>> -#define __ORDER_BIG_ENDIAN__ 4321
> >>> +#define __MINGW64__ 1
> >>> #define __UINT32_C(c) c ## U
> >>> #define __INTMAX_MAX__ 9223372036854775807LL
> >>> #define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
> >>> #define WINNT 1
> >>> #define __FLT_DENORM_MIN__ 1.40129846432481707092e-45F
> >>> #define __INT8_MAX__ 127
> >>> +#define __PIC__ 1
> >>> #define __UINT_FAST32_TYPE__ unsigned int
> >>> #define __CHAR32_TYPE__ unsigned int
> >>> #define __FLT_MAX__ 3.40282346638528859812e+38F
> >>> @@ -207,7 +218,6 @@
> >>> #define __SIZEOF_DOUBLE__ 8
> >>> #define __FLT_MIN_10_EXP__ (-37)
> >>> #define __INTMAX_TYPE__ long long int
> >>> -#define i386 1
> >>> #define _INTEGRAL_MAX_BITS 64
> >>> #define __DEC128_MAX_EXP__ 6145
> >>> #define __ATOMIC_CONSUME 1
> >>> @@ -218,10 +228,10 @@
> >>> #define __LDBL_DENORM_MIN__ 3.64519953188247460253e-4951L
> >>> #define __INT16_C(c) c
> >>> #define __STDC__ 1
> >>> -#define __PTRDIFF_TYPE__ int
> >>> +#define __PTRDIFF_TYPE__ long long int
> >>> #define __ATOMIC_SEQ_CST 5
> >>> #define __UINT32_TYPE__ unsigned int
> >>> -#define __UINTPTR_TYPE__ unsigned int
> >>> +#define __UINTPTR_TYPE__ long long unsigned int
> >>> #define __DEC64_SUBNORMAL_MIN__ 0.000000000000001E-383DD
> >>> #define __DEC128_MANT_DIG__ 34
> >>> #define __LDBL_MIN_10_EXP__ (-4931)
> >>> @@ -233,6 +243,7 @@
> >>> #define __GNUC_GNU_INLINE__ 1
> >>> #define __GCC_ATOMIC_SHORT_LOCK_FREE 2
> >>> #define __UINT_FAST8_TYPE__ unsigned char
> >>> +#define __WIN64__ 1
> >>> #define __ATOMIC_ACQ_REL 4
> >>> #define __ATOMIC_RELEASE 3
> >>> #define __declspec(x) __attribute__((x))
> >>>
> >>>
> >>> 2012/12/24 Алексей Павлов <alex...@gmail.com>
> >>>>
> >>>> Hi!
> >>>> This is only resolve a part of error. Error is present in 64-bit
> >>>> multilib builds if you try to execute example code with -m32 switch.
> >>>>
> >>>>
> >>>> 2012/12/20 Kai Tietz <ktiet...@googlemail.com>
> >>>>>
> >>>>> 2012/12/20 Ruben Van Boxem <vanboxem.ru...@gmail.com>:
> >>>>> > Not to meddle in other people's affairs, but this is probably
> >>>>> > valuable for
> >>>>> > v2 (unless v3 is due very very soon ;-))
> >>>>> >
> >>>>> > Ruben
> >>>>>
> >>>>> Back-merged at rev. 5509.
> >>>>>
> >>>>> Cheers,
> >>>>> Kai
> >>>>>
> >>>>>
> >>>>>
> ------------------------------------------------------------------------------
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> >>>>> Mingw-w64-public mailing list
> >>>>> Mingw-w64-public@lists.sourceforge.net
> >>>>> https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
> >>>>
> >>>>
> >>>
> >>
> >
> >
> >
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