autoconf: fix build/src dir confusion

[oota-llvm.git] / autoconf / configure.ac

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index c9757d9ff7b7f6cbcd89f66e0874375a7ccdd528..6316be9c5271a238fd653ab590ca9046af916078 100644 (file)
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -1589,7 +1589,7 @@ AC_CONFIG_FILES([docs/doxygen.cfg])
 
 dnl Configure clang, if present
 if test ${clang_src_root} = ""; then
-  clang_src_root="$ac_pwd/tools/clang"
+  clang_src_root="$srcdir/tools/clang"
 fi
 if test -f ${clang_src_root}/README.txt; then
   AC_CONFIG_HEADERS([${clang_src_root}/include/clang/Config/config.h])