configure: Add possibility to exclude some directories from the generated lists.
diff --git a/aclocal.m4 b/aclocal.m4
index d877aa1..14204c0 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -168,14 +168,16 @@
dnl **** Create a makefile from config.status ****
dnl
-dnl Usage: WINE_CONFIG_MAKEFILE(file,deps,prefix,var)
+dnl Usage: WINE_CONFIG_MAKEFILE(file,deps,prefix,var,enable)
dnl
AC_DEFUN([WINE_CONFIG_MAKEFILE],
[m4_pushdef([ac_dir],m4_bpatsubst([$1],[^\($3/?\(.*\)/\)?Makefile$],[\2]))dnl
m4_ifval(ac_dir,[ALL_MAKEFILES="$ALL_MAKEFILES \\
$1"])
-m4_ifval([$4],[$4="$[$4] \\
+AS_VAR_PUSHDEF([ac_enable],m4_default([$5],[enable_]ac_dir))dnl
+m4_ifval([$4],[test "x$ac_enable" != xno && $4="$[$4] \\
ac_dir"])
+AS_VAR_POPDEF([ac_enable])dnl
ALL_MAKEFILE_DEPENDS="$ALL_MAKEFILE_DEPENDS
[$1: ]m4_ifval([$2],[$1.in $2],[$1.in])"
AC_CONFIG_FILES([$1])dnl
