Merge pull request #46 from kost/kdir-support

KDIR support (headers outside standard location)

src/Makefile

@@ -25,17 +25,19 @@ lime-objs := tcp.o disk.o main.o hash.o
 
 KVER ?= $(shell uname -r)
 
+KDIR ?= /lib/modules/$(KVER)/build
+
 PWD := $(shell pwd)
 
 .PHONY: modules modules_install clean distclean debug
 
 default:
-	$(MAKE) -C /lib/modules/$(KVER)/build M="$(PWD)" modules
+	$(MAKE) -C $(KDIR) M="$(PWD)" modules
 	strip --strip-unneeded lime.ko
 	mv lime.ko lime-$(KVER).ko
 
 debug:
-	KCFLAGS="-DLIME_DEBUG" $(MAKE) CONFIG_DEBUG_SG=y -C /lib/modules/$(KVER)/build M="$(PWD)" modules
+	KCFLAGS="-DLIME_DEBUG" $(MAKE) CONFIG_DEBUG_SG=y -C $(KDIR) M="$(PWD)" modules
 	strip --strip-unneeded lime.ko
 	mv lime.ko lime-$(KVER).ko
 
@@ -44,7 +46,7 @@ modules:    main.c disk.c tcp.c hash.c lime.h
 	strip --strip-unneeded lime.ko
 
 modules_install:    modules
-	$(MAKE) -C /lib/modules/$(KVER)/build M="$(PWD)" $@
+	$(MAKE) -C $(KDIR) M="$(PWD)" $@
 
 clean:
 	rm -f *.o *.mod.c Module.symvers Module.markers modules.order \.*.o.cmd \.*.ko.cmd \.*.o.d