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-rw-r--r--autoconf/configure.ac5
1 files changed, 4 insertions, 1 deletions
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index ad44a630ac..c9757d9ff7 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -813,7 +813,7 @@ AC_ARG_WITH(clang-srcdir,
[Directory to the out-of-tree Clang source]),,
withval="-")
case "$withval" in
- -) clang_src_root="$ac_pwd/tools/clang" ;;
+ -) clang_src_root="" ;;
/* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
*) clang_src_root="$ac_pwd/$withval" ;;
esac
@@ -1588,6 +1588,9 @@ dnl Configure doxygen's configuration file
AC_CONFIG_FILES([docs/doxygen.cfg])
dnl Configure clang, if present
+if test ${clang_src_root} = ""; then
+ clang_src_root="$ac_pwd/tools/clang"
+fi
if test -f ${clang_src_root}/README.txt; then
AC_CONFIG_HEADERS([${clang_src_root}/include/clang/Config/config.h])
AC_CONFIG_FILES([${clang_src_root}/docs/doxygen.cfg])