Allow the build directory to be customized

[tinyos-2.x.git] / support / make / null / null.rules

diff --git a/support/make/null/null.rules b/support/make/null/null.rules
index 32513386960e56915da090a1e484121273ea9985..685ed65762dfd28ccdeed04e44b458df616283dd 100644 (file)
--- a/support/make/null/null.rules
+++ b/support/make/null/null.rules
@@ -15,7 +15,7 @@ OBJDUMP = objdump
 NCC = ncc
 LIBS = -lm
 
-BUILDDIR = build/$(PLATFORM)
+BUILDDIR ?= build/$(PLATFORM)
 MAIN_EXE = $(BUILDDIR)/main.exe
 MAIN_SREC = $(BUILDDIR)/main.srec
 MAIN_IHEX = $(BUILDDIR)/main.ihex