Our cross-compiled builds were failing when they tried to link in the library built with the native linux compiler and archiver; this fixes that without changing the intent.

GNU-based make will handle this syntax correctly; if other makes have trouble with it, we'll have to do something different.
2010-02-26 15:43:18 +00:00
parent 49b4c6cd35
commit 42c01e92f6
1 changed files with 5 additions and 3 deletions
@@ -1,8 +1,10 @@
 #Makefile to build BACnet Library with GCC

-# tools
-CC = gcc
-AR = ar
+# tools 
+#     ('?=' sets them to gcc and ar unless they are already defined for
+#           a board-specific cross-compiler and archiver)
+CC ?= gcc
+AR ?= ar

 # target
 TARGET = bacnet