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/timev.h b/timev.h
index bedf9a174a..3947477630 100644
--- a/timev.h
+++ b/timev.h
@@ -1,7 +1,7 @@
 #ifndef RUBY_TIMEV_H
 #define RUBY_TIMEV_H
 
-struct vtm {
+PACKED_STRUCT_UNALIGNED(struct vtm {
     VALUE year; /* 2000 for example.  Integer. */
     VALUE subsecx; /* 0 <= subsecx < TIME_SCALE.  possibly Rational. */
     VALUE utc_offset; /* -3600 as -01:00 for example.  possibly Rational. */
@@ -14,7 +14,7 @@ struct vtm {
     uint8_t sec:6; /* 0..60 */
     uint8_t wday:3; /* 0:Sunday, 1:Monday, ..., 6:Saturday 7:init */
     uint8_t isdst:2; /* 0:StandardTime 1:DayLightSavingTime 3:init */
-} PACKED_STRUCT_UNALIGNED;
+});
 
 #define TIME_SCALE 1000000000