dkms.conf.in: Install all kernel modules.

With the latest change of separating vports into their own modules,
we need to update the dkms.conf.in and make dkms install all vport
modules.  So, this commit modifies the debian/rules to read all
kernel module names and sets the dkms.conf correctly.

Signed-off-by: Alex Wang <alexw@nicira.com>

datapath/Makefile.am

@@ -20,3 +20,12 @@ distfiles: Makefile
 	  sed -e "s|^$$srcdirstrip/||;t" \
 	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t" | sort -u > $@
 CLEANFILES = distfiles
+
+# Print name of all modules.
+print-build-modules:
+	@if test -z "$(build_modules)"; \
+	then \
+	   echo "Could not find any kernel module."; \
+	   exit 1; \
+	fi
+	@echo "$(build_modules)" | tr '_' '-';

datapath/Modules.mk

@@ -10,6 +10,8 @@ both_modules = \
 	vport_gre \
 	vport_lisp \
 	vport_vxlan
+# When changing the name of 'build_modules', please also update the
+# print-build-modules in Makefile.am.
 build_modules = $(both_modules)	# Modules to build
 dist_modules = $(both_modules)	# Modules to distribute
 

debian/dkms.conf.in

@@ -1,7 +1,11 @@
+MODULES=( __MODULES__ )
+
 PACKAGE_NAME="openvswitch"
 PACKAGE_VERSION="__VERSION__"
 MAKE="./configure --with-linux='${kernel_source_dir}' && make -C datapath/linux"
-BUILT_MODULE_NAME[0]=openvswitch
-BUILT_MODULE_LOCATION[0]=datapath/linux/
-DEST_MODULE_LOCATION[0]=/kernel/drivers/net/openvswitch/
+for __idx in ${!MODULES[@]}; do
+    BUILT_MODULE_NAME[__idx]=${MODULES[__idx]}
+    BUILT_MODULE_LOCATION[__idx]=datapath/linux/
+    DEST_MODULE_LOCATION[__idx]=/kernel/drivers/net/openvswitch/
+done
 AUTOINSTALL=yes

debian/rules

@@ -105,8 +105,11 @@ install-indep: build-indep
 	# copy the source
 	cd debian/$(pdkms)/usr/src/$(PACKAGE)-$(DEB_UPSTREAM_VERSION) && tar xvzf $(CURDIR)/_debian/openvswitch.tar.gz && mv openvswitch/* openvswitch/.[a-z]* . && rmdir openvswitch
 
+	# check we can get kernel module names
+	$(MAKE) -C _debian/datapath print-build-modules
+
 	# Prepare dkms.conf from the dkms.conf.in template
-	sed "s/__VERSION__/$(DEB_UPSTREAM_VERSION)/g" debian/dkms.conf.in > debian/$(pdkms)/usr/src/$(PACKAGE)-$(DEB_UPSTREAM_VERSION)/dkms.conf
+	sed "s/__VERSION__/$(DEB_UPSTREAM_VERSION)/g; s/__MODULES__/$(shell $(MAKE) -C _debian/datapath print-build-modules | grep -v make)/" debian/dkms.conf.in > debian/$(pdkms)/usr/src/$(PACKAGE)-$(DEB_UPSTREAM_VERSION)/dkms.conf
 
 	# We don't need the debian folder in there, just upstream sources...
 	rm -rf debian/$(pdkms)/usr/src/$(PACKAGE)-$(DEB_UPSTREAM_VERSION)/debian