diff options
Diffstat (limited to 'src/lcms2_internal.h')
| -rw-r--r-- | src/lcms2_internal.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/lcms2_internal.h b/src/lcms2_internal.h index 9fe91ad..1e46740 100644 --- a/src/lcms2_internal.h +++ b/src/lcms2_internal.h @@ -57,7 +57,15 @@ #define _cmsALIGNLONG(x) (((x)+(sizeof(cmsUInt32Number)-1)) & ~(sizeof(cmsUInt32Number)-1)) // Alignment to memory pointer -#define _cmsALIGNMEM(x) (((x)+(sizeof(void *) - 1)) & ~(sizeof(void *) - 1)) + +// (Ultra)SPARC with gcc requires ptr alignment of 8 bytes +// even though sizeof(void *) is only four: for greatest flexibility +// allow the build to specify ptr alignment. +#ifndef CMS_PTR_ALIGNMENT +# define CMS_PTR_ALIGNMENT sizeof(void *) +#endif + +#define _cmsALIGNMEM(x) (((x)+(CMS_PTR_ALIGNMENT - 1)) & ~(CMS_PTR_ALIGNMENT - 1)) // Maximum encodeable values in floating point #define MAX_ENCODEABLE_XYZ (1.0 + 32767.0/32768.0) |