Change llvm tools install location.

llvm-svn: 49540
diff --git a/llvm/utils/buildit/build_llvm b/llvm/utils/buildit/build_llvm
index 2ea0a29..51fdf35 100755
--- a/llvm/utils/buildit/build_llvm
+++ b/llvm/utils/buildit/build_llvm
@@ -59,6 +59,11 @@
 # If the user has CC set in their environment unset it now
 unset CC
 
+DT_HOME=$DEST_DIR//Developer/usr
+if [ "x$DEVELOPER_BIN" != "x" ]; then
+DT_HOME=$DEST_DIR/$DEVELOPER_DIR/usr
+fi
+
 ################################################################################
 # Run the build.
 
@@ -75,7 +80,7 @@
 cd $DIR/obj-llvm || exit 1
 
 if [ \! -f Makefile.config ]; then
-    $SRC_DIR/llvm/configure --prefix=$DEST_DIR$DEST_ROOT \
+    $SRC_DIR/llvm/configure --prefix=$DT_HOME/local \
         --enable-targets=x86,powerpc,cbe \
         --enable-assertions=$LLVM_ASSERTIONS \
         --enable-optimized=$LLVM_OPTIMIZED \
@@ -145,14 +150,9 @@
 fi
 
 cd $DEST_DIR$DEST_ROOT
-# LTO is part of developer tools
-LTO_HOME=$DEST_DIR//Developer/usr
-if [ "x$DEVELOPER_BIN" != "x" ]; then
-LTO_HOME=$DEST_DIR/$DEVELOPER_DIR/usr
-fi
 
-mkdir -p $LTO_HOME/lib
-mv lib/libLTO.dylib $LTO_HOME/lib/libLTO.dylib
+mkdir -p $DT_HOME/lib
+mv lib/libLTO.dylib $DT_HOME/lib/libLTO.dylib
 rm -f lib/libLTO.a lib/libLTO.la