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Makefile.sub: no PACKED_STRUCT on old VC

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* win32/Makefile.sub (PACKED_STRUCT): __pragma extension is
  available since VC9.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46893 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-07-21 12:13:07 +00:00
parent db433dc39d
commit 1fe71722e2
1 changed files with 3 additions and 1 deletions
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4
win32/Makefile.sub
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@ -575,8 +575,10 @@ $(CONFIG_H): $(MKFILES) $(srcdir)/win32/Makefile.sub $(win_srcdir)/Makefile.sub
#define FUNC_FASTCALL(x) __fastcall x
!if $(MSC_VER) >= 1500
#define RUBY_FUNCTION_NAME_STRING __FUNCTION__
!endif
#define PACKED_STRUCT(x) __pragma(pack(push, 1)) x __pragma(pack(pop))
!else
#define PACKED_STRUCT(x) x
!endif
!if "$(ARCH)" == "x86" || "$(ARCH)" == "x64" || "$(ARCH)" == "ia64"
#define PACKED_STRUCT_UNALIGNED(x) PACKED_STRUCT(x)
!else