configure.ac: Use PKG_CHECK_VAR for wayland-scanner.

Available since pkg-config-0.28 and pkgconf-0.8.10.

The removal of the AC_PATH_PROG is intentional. Use pkg-config.

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

diff --git a/configure.ac b/configure.ac
index 49cb283..7a89344 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -2102,12 +2102,7 @@ if test "x$with_egl_platforms" != "x" -a "x$enable_egl" != xyes; then
     AC_MSG_ERROR([cannot build egl state tracker without EGL library])
 fi
 
-PKG_CHECK_MODULES([WAYLAND_SCANNER], [wayland-scanner],
-        WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`,
-        WAYLAND_SCANNER='')
-if test "x$WAYLAND_SCANNER" = x; then
-    AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner])
-fi
+PKG_CHECK_VAR([WAYLAND_SCANNER], [wayland-scanner], [wayland_scanner])
 
 # Do per-EGL platform setups and checks
 egl_platforms=`IFS=', '; echo $with_egl_platforms`