configure: Default to gbm=no on osx

Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

diff --git a/configure.ac b/configure.ac
index ae5162319d149ddcce323e2832bf947e25779c0c..daa040d319414642e70bdf821538edc20979aea7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1270,10 +1270,10 @@ AC_ARG_ENABLE([xa],
     [enable_xa=no])
 AC_ARG_ENABLE([gbm],
    [AS_HELP_STRING([--enable-gbm],
-         [enable gbm library @<:@default=yes except cygwin@:>@])],
+         [enable gbm library @<:@default=yes except cygwin and macOS@:>@])],
    [enable_gbm="$enableval"],
    [case "$host_os" in
-       cygwin*)
+       cygwin* | darwin*)
           enable_gbm=no
           ;;
        *)