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Diffstat (limited to 'config/bitfields.m4')
-rw-r--r--config/bitfields.m47
1 files changed, 3 insertions, 4 deletions
diff --git a/config/bitfields.m4 b/config/bitfields.m4
index ee8f3b5baba..8185cd302a9 100644
--- a/config/bitfields.m4
+++ b/config/bitfields.m4
@@ -13,10 +13,9 @@ AC_DEFUN([gt_BITFIELD_TYPE_MATTERS],
AC_CACHE_CHECK([if the type of bitfields matters], gt_cv_bitfield_type_matters,
[
AC_TRY_COMPILE(
- [struct foo1 { char x; char :0; char y; };
-struct foo2 { char x; int :0; char y; };
-int foo1test[ sizeof (struct foo1) == 2 ? 1 : -1 ];
-int foo2test[ sizeof (struct foo2) == 5 ? 1 : -1]; ],
+ [struct foo1 { char x; char y:1; char z; };
+struct foo2 { char x; long long int y:1; char z; };
+int foo1test[ sizeof (struct foo1) < sizeof (struct foo2) ? 1 : -1 ]; ],
[], gt_cv_bitfield_type_matters=yes, gt_cv_bitfield_type_matters=no)
])
if test $gt_cv_bitfield_type_matters = yes; then