1 files changed, 18 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index cf1a4cb..05d34f9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -84,6 +84,24 @@ fi
 
 CFLAGS="$save_CFLAGS"
 
+AC_ARG_ENABLE(xaa,
+              AS_HELP_STRING([--enable-xaa],
+                             [Enable legacy X Acceleration Architecture (XAA) [default=auto]]),
+              [XAA="$enableval"],
+              [XAA=auto])
+if test "x$XAA" != xno; then
+        save_CFLAGS=$CFLAGS
+        save_CPPFLAGS=$CPPFLAGS
+        CFLAGS=$XORG_CFLAGS
+        CPPFLAGS="$XORG_CFLAGS"
+        AC_CHECK_HEADERS([xaa.h], XAA=yes, XAA=no)
+        CFLAGS=$save_CFLAGS
+        CPPFLAGS=$save_CPPFLAGS
+fi
+AC_MSG_CHECKING([whether to include XAA support])
+AM_CONDITIONAL(XAA, test "x$XAA" = xyes)
+AC_MSG_RESULT([$XAA])
+
 # Substitutions
 AC_SUBST([moduledir])