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-rw-r--r--m4/align.m45
1 files changed, 4 insertions, 1 deletions
diff --git a/m4/align.m4 b/m4/align.m4
index 7bcbae8fa..57ffee7fc 100644
--- a/m4/align.m4
+++ b/m4/align.m4
@@ -13,7 +13,10 @@ AC_DEFUN([AC_UNALIGNED_64_ACCESS],
13[AC_CACHE_CHECK([whether unaligned 64-bit access works], 13[AC_CACHE_CHECK([whether unaligned 64-bit access works],
14 ac_cv_unaligned_64_access, 14 ac_cv_unaligned_64_access,
15 [ 15 [
16 AC_RUN_IFELSE([AC_LANG_PROGRAM([[struct S { int a,b,c;};]], 16 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
17 #include <stdlib.h>
18 struct S { int a,b,c;};
19 ]],
17 [[struct S s = {0,0,0}; long long * p = (long long *) &s.b; 20 [[struct S s = {0,0,0}; long long * p = (long long *) &s.b;
18 void *bp = malloc (50); 21 void *bp = malloc (50);
19 long long x = *p; 22 long long x = *p;