[Intel-gfx] [PATCH i-g-t] build: Add the automake subdir-objects option

[Damien Lespiau]

automake 1.14 was complaining here:

overlay/Makefile.am:44: warning: source file 'x11/x11-window.c' is in a
subdirectory, but option 'subdir-objects' is disabled.

Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 5ae1e9f..c370ec3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,7 +35,7 @@ AC_SYS_LARGEFILE
 AC_GNU_SOURCE
 AC_CANONICAL_HOST
 
-AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2])
+AM_INIT_AUTOMAKE([1.12 foreign subdir-objects dist-bzip2])
 AM_PATH_PYTHON([3],, [:])
 
 AC_PROG_CC
-- 
2.1.0