configure.ac: Add option for libclc path
diff --git a/configure.ac b/configure.ac
index 06fc2de..7ddd5fa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1620,6 +1620,14 @@
dnl OpenCL configuration
dnl
+AC_ARG_WITH([libclc-path],
+ [AS_HELP_STRING([--with-libclc-path],
+ [Path to libclc builtins library. Example: --with-libclc-path=\$HOME/libclc/])],
+ [LIBCLC_PATH="$withval"],
+ [LIBCLC_PATH=""])
+
+AC_SUBST([LIBCLC_PATH])
+
if test "x$enable_opencl" = xyes; then
if test "x$with_gallium_drivers" = x; then
AC_MSG_ERROR([cannot enable OpenCL without Gallium])