From cda2e07c37d511dfa49167ebecb7278d0f64cbac Mon Sep 17 00:00:00 2001
From: Niko Matsakis <niko@alum.mit.edu>
Date: Fri, 11 Nov 2011 10:35:48 -0800
Subject: [PATCH] reverse sense of check

---
 configure | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index 30d6ab6af2eb..584574c241af 100755
--- a/configure
+++ b/configure
@@ -440,14 +440,14 @@ do
 	LLVM_BUILD="--build=$t"
 	LLVM_HOST="--host=$t"
 	LLVM_TARGET="--target=$t"
-    if [ -z "$CFG_ENABLE_DEBUG_LLVM" ]
+    if [ ! -z "$CFG_ENABLE_DEBUG_LLVM" ]
     then
         LLVM_DBG_OPTS=""
         # Just use LLVM straight from its build directory to
         # avoid 'make install' time
 	    LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug+Asserts
     else
-        LLVM_DBG_OPTS="--enabled-optimized"
+        LLVM_DBG_OPTS="--enable-optimized"
 	    LLVM_INST_DIR=$LLVM_BUILD_DIR/Release+Asserts
     fi
 	LLVM_OPTS="$LLVM_DBG_OPTS --disable-docs"