diff options
Diffstat (limited to 'boehm-gc/include/private/gcconfig.h')
| -rw-r--r-- | boehm-gc/include/private/gcconfig.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/boehm-gc/include/private/gcconfig.h b/boehm-gc/include/private/gcconfig.h index fb09cf73cc0..a545fbf1508 100644 --- a/boehm-gc/include/private/gcconfig.h +++ b/boehm-gc/include/private/gcconfig.h @@ -1974,8 +1974,15 @@ # ifdef X86_64 # define MACH_TYPE "X86_64" -# define ALIGNMENT 8 -# define CPP_WORDSZ 64 + /* __LP64__ is defined for LP64 after GCC 3.3. If __LP64__ isn't */ + /* defined, it must be x32. */ +# if defined(__GNUC__) && __GNUC__ >= 4 && !defined(__LP64__) +# define ALIGNMENT 4 +# define CPP_WORDSZ 32 +# else +# define ALIGNMENT 8 +# define CPP_WORDSZ 64 +# endif # ifndef HBLKSIZE # define HBLKSIZE 4096 # endif |