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* include/freetype/internal/ftcalc.h (FT_MSB): Use `_MSC_VER' value.

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Older VC versions don't provide `_BitScanReverse'.  We test for VC
2013.

Reported by John Emmas <john@creativepost.co.uk>.
This commit is contained in:
Werner Lemberg 2018-05-18 10:57:51 +02:00
parent 3331b84fc2
commit 840b844301
2 changed files with 14 additions and 3 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2018-05-18 Werner Lemberg <wl@gnu.org>
* include/freetype/internal/ftcalc.h (FT_MSB): Use `_MSC_VER' value.
Older VC versions don't provide `_BitScanReverse'. We test for VC
2013.
Reported by John Emmas <john@creativepost.co.uk>.
2018-05-17 Werner Lemberg <wl@gnu.org>
s/inline/__inline/ for MSVC.

8
include/freetype/internal/ftcalc.h
View File

@ -353,10 +353,10 @@ FT_BEGIN_HEADER
#define FT_MSB( x ) ( 31 - __builtin_clzl( x ) )
#endif
#endif /* __GNUC__ */
#elif defined( _MSC_VER )
#elif defined( _MSC_VER ) && ( _MSC_VER >= 1800 )
#if FT_SIZEOF_INT == 4
@ -368,6 +368,7 @@ FT_BEGIN_HEADER
unsigned long where;
/* not available in older VC versions */
_BitScanReverse( &where, x );
return (FT_Int32)where;
@ -377,7 +378,8 @@ FT_BEGIN_HEADER
#endif
#endif
#endif /* _MSC_VER */
#endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */