Added check whether unaligned memory access is allowed.
Added macros to access unaligned WORDs / DWORDs.
diff --git a/configure.in b/configure.in
index 5a0fbe5..27438c9 100644
--- a/configure.in
+++ b/configure.in
@@ -782,6 +782,21 @@
AC_DEFINE(BITFIELDS_BIGENDIAN)
fi
+AC_CACHE_CHECK( "whether unaligned memory access is allowed", wine_cv_allow_unaligned_access,
+ [AC_TRY_RUN([
+long volatile test[2];
+main()
+{
+ long volatile *ua = (long volatile *)((char *)test + 1);
+ *ua = 0;
+ exit(0);
+} ], wine_cv_allow_unaligned_access=yes, wine_cv_allow_unaligned_access=no,
+ wine_cv_allow_unaligned_access=no ) ])
+if test "$wine_allow_unaligned_access" = "yes"
+then
+ AC_DEFINE(ALLOW_UNALIGNED_ACCESS)
+fi
+
dnl **** Check for functions ****
