Symbol versions; Makefile improvements.

devices/Kbuild.in

@@ -62,4 +62,8 @@ ifeq (@ENABLE_R8169@,1)
 	CFLAGS_$(EC_R8169_OBJ) = -DSVNREV=$(REV)
 endif
 
+KBUILD_EXTRA_SYMBOLS := \
+	@abs_top_builddir@/Module.symvers \
+	@abs_top_builddir@/master/Module.symvers
+
 #------------------------------------------------------------------------------

devices/Makefile.am

@@ -70,7 +70,7 @@ BUILT_SOURCES = \
 	Kbuild
 
 modules:
-	$(MAKE) -C "@abs_top_srcdir@" modules
+	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_srcdir@" modules
 
 modules_install:
 	mkdir -p $(DESTDIR)$(LINUX_MOD_PATH)

devices/e1000/Kbuild.in

@@ -50,4 +50,8 @@ ifeq (@ENABLE_E1000@,1)
 	CFLAGS_e1000_main-@KERNEL_E1000@-ethercat.o = -DSVNREV=$(REV)
 endif
 
+KBUILD_EXTRA_SYMBOLS := \
+	@abs_top_builddir@/Module.symvers \
+	@abs_top_builddir@/master/Module.symvers
+
 #------------------------------------------------------------------------------

devices/e1000/Makefile.am

@@ -119,7 +119,7 @@ BUILT_SOURCES = \
 	Kbuild
 
 modules:
-	$(MAKE) -C "@abs_top_srcdir@" modules
+	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_srcdir@" modules
 
 modules_install:
 	mkdir -p $(DESTDIR)$(LINUX_MOD_PATH)

examples/dc_rtai/Kbuild.in

@@ -37,4 +37,8 @@ ec_dc_rtai_sample-objs := dc_rtai_sample.o
 
 EXTRA_CFLAGS := -I@RTAI_DIR@/include
 
+KBUILD_EXTRA_SYMBOLS := \
+	@abs_top_builddir@/Module.symvers \
+	@abs_top_builddir@/master/Module.symvers
+
 #------------------------------------------------------------------------------

examples/mini/Kbuild.in

@@ -35,4 +35,8 @@ obj-m := ec_mini.o
 
 ec_mini-objs := mini.o
 
+KBUILD_EXTRA_SYMBOLS := \
+	@abs_top_builddir@/Module.symvers \
+	@abs_top_builddir@/master/Module.symvers
+
 #------------------------------------------------------------------------------

examples/rtai/Kbuild.in

@@ -37,4 +37,8 @@ ec_rtai_sample-objs := rtai_sample.o
 
 EXTRA_CFLAGS := -I@RTAI_DIR@/include
 
+KBUILD_EXTRA_SYMBOLS := \
+	@abs_top_builddir@/Module.symvers \
+	@abs_top_builddir@/master/Module.symvers
+
 #------------------------------------------------------------------------------

master/Makefile.am

@@ -72,7 +72,7 @@ BUILT_SOURCES = \
 	Kbuild
 
 modules:
-	$(MAKE) -C "@abs_top_srcdir@" modules
+	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_srcdir@" modules
 
 modules_install:
 	mkdir -p $(DESTDIR)$(LINUX_MOD_PATH)