configure.in, win32/Makefile.sub: PACKED_STRUCT with VC

* configure.in (PACKED_STRUCT): check VC pragma too, and make
  function-style macro.

* win32/Makefile.sub (PACKED_STRUCT): enable with VC.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45173 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/time.c b/time.c
index acd589a8fc..1539feb587 100644
--- a/time.c
+++ b/time.c
@@ -1740,12 +1740,12 @@ localtimew(wideval_t timew, struct vtm *result)
     return result;
 }
 
-struct time_object {
+PACKED_STRUCT_UNALIGNED(struct time_object {
     wideval_t timew; /* time_t value * TIME_SCALE.  possibly Rational. */
     struct vtm vtm;
     uint8_t gmt:3; /* 0:utc 1:localtime 2:fixoff 3:init */
     uint8_t tm_got:1;
-} PACKED_STRUCT_UNALIGNED;
+});
 
 #define GetTimeval(obj, tobj) ((tobj) = get_timeval(obj))
 #define GetNewTimeval(obj, tobj) ((tobj) = get_new_timeval(obj))