From 8b37637b7fd8a0af74d68d5f29c12ac285ef0e07 Mon Sep 17 00:00:00 2001
From: Charles Davis <cdavis@mines.edu>
Date: Tue, 28 Feb 2012 02:55:41 +0000
Subject: [PATCH] Strip extraneous information, if present, from the linker
 version string on Mac OS X. Patch by Fabian Groffen, with a slight tweak by
 me.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151612 91177308-0d34-0410-b5e6-96231b3b80d8
---
 autoconf/m4/link_options.m4 | 2 +-
 configure                   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/autoconf/m4/link_options.m4 b/autoconf/m4/link_options.m4
index 4c5f2f435d0..57da4a0d926 100644
--- a/autoconf/m4/link_options.m4
+++ b/autoconf/m4/link_options.m4
@@ -10,7 +10,7 @@ AC_DEFUN([AC_LINK_GET_VERSION],
 
    # Check for ld64.
    if (echo "$version_string" | grep -q "ld64"); then
-     llvm_cv_link_version=$(echo "$version_string" | sed -e "s#.*ld64-\([^ ]*\)#\1#")
+     llvm_cv_link_version=$(echo "$version_string" | sed -e "s#.*ld64-\([^ ]*\)\( (.*)\)\{0,1\}#\1#")
    else
      llvm_cv_link_version=$(echo "$version_string" | sed -e "s#[^0-9]*\([0-9.]*\).*#\1#")
    fi
diff --git a/configure b/configure
index 6cd0db88700..848972866e6 100755
--- a/configure
+++ b/configure
@@ -7783,7 +7783,7 @@ else
 
    # Check for ld64.
    if (echo "$version_string" | grep -q "ld64"); then
-     llvm_cv_link_version=$(echo "$version_string" | sed -e "s#.*ld64-\([^ ]*\)#\1#")
+     llvm_cv_link_version=$(echo "$version_string" | sed -e "s#.*ld64-\([^ ]*\)\( (.*)\)\{0,1\}#\1#")
    else
      llvm_cv_link_version=$(echo "$version_string" | sed -e "s#[^0-9]*\([0-9.]*\).*#\1#")
    fi