1 files changed, 8 insertions, 3 deletions
diff --git a/config.mk b/config.mk
index 414f761..5c45630 100644
--- a/config.mk
+++ b/config.mk
@@ -3,11 +3,14 @@
 #       differ.  We're not a GNU package.
 
 ifeq ($(topsrcdir),)
-topsrcdir := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
-endif
+
+topoutdir := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
+topsrcdir := $(topoutdir)
+
+include $(topsrcdir)/build-aux/no-builtin-variables.mk
 
 PACKAGE = libretools
-VERSION = $(LIBRETOOLS_VERSION)
+VERSION = $(firstword $(LIBRETOOLS_VERSION) 0)
 
 DESTDIR =
 
@@ -28,3 +31,5 @@ mandir = $(datarootdir)/man
 
 devtoolsdir = $(call abspath,$(topsrcdir)/../devtools-par)
 RONNFLAGS = --manual='libretools Manual' --organization='Parabola'
+
+endif