[Nouveau] [PATCH 1/2] glamor: fix build without glamor.h

[Marcin Slusarz]

xorg-server can be built without glamor, which leads to:

  CC       nouveau_xv.lo
In file included from nouveau_xv.c:41:0:
nouveau_glamor.h:12:20: fatal error: glamor.h: No such file or directory
compilation terminated.

Signed-off-by: Marcin Slusarz <marcin.slusarz at gmail.com>
---
 configure.ac | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index c34e575..92e047a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -128,7 +128,13 @@ XORG_MANPAGE_SECTIONS
 XORG_RELEASE_VERSION
 
 AC_MSG_CHECKING([whether to include GLAMOR support])
-if pkg-config --exists "xorg-server >= 1.15.99.901"
+
+AC_COMPILE_IFELSE(AC_LANG_PROGRAM(
+[[
+  #include <glamor.h>
+]],[[]]),[found_glamor_header=yes],[found_glamor_header=no])
+
+if test "$found_glamor_header" = "yes" && pkg-config --exists "xorg-server >= 1.15.99.901"
 then
 	AC_DEFINE(HAVE_GLAMOR, 1, [Build support for glamor acceleration])
 	AC_MSG_RESULT([yes])
-- 
2.0.0