configure: tweak the module_directory help string

Drop the somewhat misleading ${prefix}/lib/modules and explicitly
mention what's the default.

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

diff --git a/configure.ac b/configure.ac
index bfabbaa880888a3897eacbfb91d22a1311b27806..a14ebe0814ad0a95ebfeebca252ba219365cc7c1 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -92,7 +92,7 @@ AC_SUBST([rootlibdir], [$with_rootlibdir])
 
 # Ideally this would be $prefix/lib/modules but default to /lib/modules for compatibility with earlier versions
 AC_ARG_WITH([module_directory],
-        AS_HELP_STRING([--with-module-directory=DIR], [directory in which to look for kernel modules - typically '/lib/modules' or '${prefix}/lib/modules']),
+        AS_HELP_STRING([--with-module-directory=DIR], [directory in which to look for kernel modules @<:@default=/lib/modules@:>@]),
         [], [with_module_directory=/lib/modules])
 AC_SUBST([module_directory], [$with_module_directory])