[Mesa-dev] [PATCH kmscube 2/6] configure: Check for the GBM modifiers

[Ben Widawsky]

---
 configure.ac | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/configure.ac b/configure.ac
index aa0ef36..33167e4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -49,5 +49,21 @@ if test "x$HAVE_GST" = "xyes"; then
 fi
 AM_CONDITIONAL(ENABLE_GST, [test "x$HAVE_GST" = "xyes"])
 
+AC_CHECK_LIB([gbm], [gbm_bo_get_modifier], [gbm_modifiers=yes], [])
+
+AC_ARG_ENABLE([gbm-modifiers],
+	      [AS_HELP_STRING([--enable-gbm-modifiers],
+	          [enable using GBM modifiers @<:@default=auto@:>@])],
+	      [enable_gbm_modifiers="$enableval"],
+	      [enable_gbm_modifiers=auto])
+
+if test "x$enable_gbm_modifiers" = xyes -a "x$gbm_modifiers" != xyes; then
+	AC_MSG_ERROR([Cannot find gbm modifier supported mesa])
+fi
+
+if test "x$gbm_modifiers" = xyes; then
+	AC_DEFINE(HAVE_GBM_MODIFIERS, 1, [Define if you can use GBM properties.])
+fi
+
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
-- 
2.12.2