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Define HAVE_STMT_AND_DECL_IN_EXPR and use it [Bug #15293]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66311 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2018-12-10 13:58:36 +00:00
parent 8bb7c992b8
commit 7405bbda27
2 changed files with 8 additions and 1 deletions

View file

@ -730,6 +730,13 @@ test -z "${ac_env_CFLAGS_set}" -a -n "${cflags+set}" && eval CFLAGS="\"$cflags $
test -z "${ac_env_CXXFLAGS_set}" -a -n "${cxxflags+set}" && eval CXXFLAGS="\"$cxxflags $ARCH_FLAG\""
}
AC_PREPROC_IFELSE([AC_LANG_SOURCE([[
int main(void) {
return __extension__ ({ int a = 0; a; });
}
]])],
[AC_DEFINE(HAVE_STMT_AND_DECL_IN_EXPR, 1)])
: "header and library section" && {
AC_ARG_WITH(winnt-ver,
AS_HELP_STRING([--with-winnt-ver=0xXXXX], [target Windows NT version (default to 0x0600)]),

View file

@ -1818,7 +1818,7 @@ VALUE rb_check_symbol(volatile VALUE *namep);
do RUBY_CONST_ID_CACHE((var) =, (str)) while (0)
#define CONST_ID_CACHE(result, str) RUBY_CONST_ID_CACHE(result, str)
#define CONST_ID(var, str) RUBY_CONST_ID(var, str)
#ifdef HAVE_BUILTIN___BUILTIN_CONSTANT_P
#if defined(HAVE_BUILTIN___BUILTIN_CONSTANT_P) && defined(HAVE_STMT_AND_DECL_IN_EXPR)
/* __builtin_constant_p and statement expression is available
* since gcc-2.7.2.3 at least. */
#define rb_intern(str) \