Mesa (master): configure: error out when building opencl without LLVM

[Emil Velikov]

Module: Mesa
Branch: master
Commit: 93257a56b5b585e79e4ba9f95b38f5bd718e3959
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=93257a56b5b585e79e4ba9f95b38f5bd718e3959

Author: Emil Velikov <emil.l.velikov at gmail.com>
Date:   Thu May 15 22:54:48 2014 +0100

configure: error out when building opencl without LLVM

Cc: Tom Stellard <thomas.stellard at amd.com>
Cc: "10.1 10.2" <mesa-stable at lists.freedesktop.org>
Signed-off-by: Emil Velikov <emil.l.velikov at gmail.com>
Reviewed-by: Tom Stellard <thomas.stellard at amd.com>

---

 configure.ac |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index a12f27a..7b0009d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1475,6 +1475,10 @@ if test "x$enable_opencl" = xyes; then
         AC_MSG_ERROR([cannot enable OpenCL without Gallium])
     fi
 
+    if test "x$enable_gallium_llvm" != xyes; then
+        AC_MSG_ERROR([cannot enable OpenCL without LLVM])
+    fi
+
     if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 7; then
         AC_MSG_ERROR([gcc >= 4.7 is required to build clover])
     fi