From 15a98ab42838be248a5b59ca342033ee338357ad Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 20 Feb 2019 06:54:23 +0000
Subject: Try statx syscall

* file.c (rb_file_s_birthtime): export for pathname to check if
  birthtime is supported.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67097 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/pathname/extconf.rb | 2 +-
 ext/pathname/pathname.c | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

(limited to 'ext')

diff --git a/ext/pathname/extconf.rb b/ext/pathname/extconf.rb
index c9133bc153..84e68277aa 100644
--- a/ext/pathname/extconf.rb
+++ b/ext/pathname/extconf.rb
@@ -1,4 +1,4 @@
 # frozen_string_literal: false
 require 'mkmf'
-have_struct_member("struct stat", "st_birthtimespec", "sys/stat.h")
+have_func("rb_file_s_birthtime")
 create_makefile('pathname')
diff --git a/ext/pathname/pathname.c b/ext/pathname/pathname.c
index d5e58c52d8..9cf6c32039 100644
--- a/ext/pathname/pathname.c
+++ b/ext/pathname/pathname.c
@@ -512,7 +512,7 @@ path_atime(VALUE self)
     return rb_funcall(rb_cFile, id_atime, 1, get_strpath(self));
 }
 
-#if defined(HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC) || defined(_WIN32)
+#if defined(HAVE_RB_FILE_S_BIRTHTIME)
 /*
  * call-seq:
  *   pathname.birthtime	-> time
@@ -528,6 +528,7 @@ path_birthtime(VALUE self)
     return rb_funcall(rb_cFile, id_birthtime, 1, get_strpath(self));
 }
 #else
+/* check at compilation time for `respond_to?` */
 # define path_birthtime rb_f_notimplement
 #endif
 
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