[Glamor] [PATCH] Fix configure to disable building Dri3 support when GBM v9 is missing

[Axel Davy]

Signed-off-by: Axel Davy <axel.davy at ens.fr>
Signed-off-by: Gaetan Nadon <memsize at videotron.ca>
---
 configure.ac | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 21bc794..5246dbb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -62,6 +62,7 @@ LIBPIXMAN="pixman-1 >= 0.21.8"
 LIBEGL="egl"
 LIBGLESV2="glesv2"
 LIBGBM="gbm"
+LIBGBMv9="gbm >= 9"
 
 # Define a configure option for an alternate input module directory
 AC_ARG_WITH(xorg-module-dir,
@@ -134,10 +135,12 @@ if test "x$EGL = xyes"; then
    fi
 fi
 
+PKG_CHECK_MODULES(GBMv9, $LIBGBMv9, [GBMv9=yes], [GBMv9=no])
+
 AC_MSG_CHECKING([Enable Glamor Dri3 helpers])
-AC_ARG_ENABLE(glamor-dri3, AS_HELP_STRING([--enable-glamor-dri3], [Build glamor Dri3 helpers (default: yes if gbm is detected)]), [GLAMOR_DRI3_HELPERS="$enableval"], [GLAMOR_DRI3_HELPERS=yes])
+AC_ARG_ENABLE(glamor-dri3, AS_HELP_STRING([--enable-glamor-dri3], [Build glamor Dri3 helpers (default: yes if libgbm >= 9 is detected)]), [GLAMOR_DRI3_HELPERS="$enableval"], [GLAMOR_DRI3_HELPERS=yes])
 
-if test "x$GLAMOR_DRI3_HELPERS" = xyes -a "x$GLAMOR_HAS_GBM" = xno; then
+if test "x$GLAMOR_DRI3_HELPERS" = xyes -a "x$GBMv9" = xno; then
    GLAMOR_DRI3_HELPERS=no
 fi
 
-- 
1.8.1.2