autoconf: fix clang detection

[oota-llvm.git] / configure

diff --git a/configure b/configure
index 2c99b4f2216a575dd08eb39dd27cc8cb0455790c..0c166389e1e3dc79a01c3ce11a79b806673c4f16 100755 (executable)
--- a/configure
+++ b/configure
@@ -21051,7 +21051,7 @@ ac_config_files="$ac_config_files llvm.spec"
 ac_config_files="$ac_config_files docs/doxygen.cfg"
 
 
-if test ${clang_src_root} = ""; then
+if test "${clang_src_root}" = ""; then
   clang_src_root="$srcdir/tools/clang"
 fi
 if test -f ${clang_src_root}/README.txt; then