always define CONFIG_SHELL

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

diff --git a/Makefile b/Makefile
index a1547ab..702430a 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -11,6 +11,8 @@ export top_builddir
 
 # We do not need built-in implicit rules
 MAKEFLAGS += -r
+CONFIG_SHELL ?= /bin/sh
+export CONFIG_SHELL
 
 include $(top_srcdir)Makefile.in
 include $(top_srcdir)Makerules