From 664ee1a89f9212042f1a02c9a1684f944a3874fe Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 17 Mar 2014 04:05:32 +0000
Subject: configure.in: default os_version_style

* configure.in (os_version_style): get default style from
  `/usr/bin/ruby` if possible.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45352 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.in | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index d13ba035dc..e952cc7be1 100644
--- a/configure.in
+++ b/configure.in
@@ -242,14 +242,21 @@ test x"$target_alias" = x &&
 target_os=`echo $target_os | sed 's/linux-gnu$/linux/;s/linux-gnu/linux-/'`
 ac_install_sh='' # unusable for extension libraries.
 
-AS_CASE($target_os,
-	[darwin*], [os_version_style=major+0],
-	[os_version_style=full])
 AC_ARG_WITH(os-version-style,
 	AS_HELP_STRING([--with-os-version-style=TYPE],
 		       [OS version number for target and target_os [[full]]]
 		       [(full|teeny|minor+0|minor|major+0|major|none)]),
-	[os_version_style=$withval])
+	[os_version_style=$withval],
+	[os_version_style=full
+	    AS_CASE($target_os, [[*[0-9].*]],
+		[AS_CASE([`/usr/bin/ruby -e 'puts RUBY_PLATFORM' 2>/dev/null`],
+		    [[*-*[0-9].*.0]], [os_version_style=minor+0],
+		    [[*-*[0-9].*.*]], [os_version_style=full],
+		    [[*-*[0-9].0]  ], [os_version_style=major+0],
+		    [[*-*[0-9].*]  ], [os_version_style=minor],
+		    [[*-*[0-9]]    ], [os_version_style=major],
+		)])
+	])
 os_version_style_transform=
 AS_CASE("${os_version_style}",
 	[full|teeny], [],
-- 
cgit v1.2.3