X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=build%2FMakefile;h=11c9c6ec622f7ada91842460be81ac2ff46e649b;hb=a296e9433919a6d709ae7826ecc5310d9e2d1365;hp=c0538bdfd24fc298b3d3677deb18a316c5e34762;hpb=bdabc154504122d319828a8b4c34fe74d0a42234;p=fs%2Flustre-release.git

diff --git a/build/Makefile b/build/Makefile
index c0538bd..11c9c6e 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -1,5 +1,5 @@
 #
-# There are three ways this Makefile can be called:
+# There are four ways this Makefile can be called:
 #
 # 
 # 1.  As a subdirectory from the toplevel, for automake
@@ -10,6 +10,8 @@
 # 3.  At configure time, as the toplevel module dir for building
 #     kernel tests
 #
+# 4.  At configure time, to determine the kernel's idea of $(ARCH)
+#
 
 ifeq ($(PATCHLEVEL),)
 
@@ -47,3 +49,8 @@ include $(TOPDIR)/Rules.make
 endif
 
 endif # PATCHLEVEL
+
+# case 4
+
+echoarch:
+	echo $(ARCH) >$(ARCHFILE)