From 2370556d3d8ec4138c4326208a6da7c1c485e908 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 19 Nov 2012 07:17:56 +0000
Subject: [PATCH] configure.in: no -lelf

* configure.in (LIBS): libelf is need on only FreeBSD.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37720 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog    | 4 ++++
 configure.in | 6 +++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 947cf20e63..4387482db7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Nov 19 16:17:53 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* configure.in (LIBS): libelf is need on only FreeBSD.
+
 Mon Nov 19 16:08:10 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* common.mk (RUBYLIB): purelib option in runruby.rb is deprecated
diff --git a/configure.in b/configure.in
index 183d3ba954..f2d22ef6f3 100644
--- a/configure.in
+++ b/configure.in
@@ -2758,7 +2758,7 @@ if test "${enable_dtrace}" = "yes"; then
         AC_MSG_ERROR([--enable-dtrace, however, cross compiling])
     else
         RUBY_DTRACE_POSTPROCESS()
-        if test "$rb_cv_prog_dtrace_g" = 'yes'; then 
+        if test "$rb_cv_prog_dtrace_g" = 'yes'; then
             RUBY_DTRACE_BSD_BROKEN([AC_MSG_ERROR([--enable-dtrace, however, USDT is broken])], [])
             DTRACE_OBJ='probes.$(OBJEXT)'
             DTRACE_GLOMMED_OBJ='ruby-glommed.$(OBJEXT)'
@@ -2774,10 +2774,10 @@ AC_SUBST(DTRACE_OBJ)
 AC_SUBST(DTRACE_GLOMMED_OBJ)
 AC_SUBST(LIBRUBY_A_OBJS)
 
-if test "${enable_dtrace}" = "yes"; then
+AS_CASE("${enable_dtrace}:${target_os}", [yes:freebsd*], [
     # FreeBSD's dtrace requires libelf
     LIBS="-lelf $LIBS"
-fi
+])
 
 }
 { # build section