[PATCH 2/3][SRU][oem-5.10] UBUNTU: support v4l2loopback dkms build

[You-Sheng Yang]

BugLink: https://bugs.launchpad.net/bugs/1938531

Signed-off-by: You-Sheng Yang <vicamo.yang at canonical.com>
---
 debian/rules                       |  6 ++++++
 debian/rules.d/2-binary-arch.mk    | 10 +++++++---
 debian/v4l2loopback-modules.ignore |  1 +
 3 files changed, 14 insertions(+), 3 deletions(-)
 create mode 100644 debian/v4l2loopback-modules.ignore

diff --git a/debian/rules b/debian/rules
index 6f9f20d56b2e..8dd8cf653a89 100755
--- a/debian/rules
+++ b/debian/rules
@@ -79,6 +79,7 @@ ifneq ($(filter autopkgtest,$(DEB_BUILD_PROFILES)),)
 	flavours := $(firstword $(flavours))
 	disable_d_i=true
 	do_zfs=false
+	do_v4l2loopback=false
 	do_dkms_nvidia=false
 	do_dkms_nvidia_server=false
 endif
@@ -108,6 +109,10 @@ ifeq ($(do_zfs),false)
 	do_zfs_disable:=$(shell for m in $$(cat $(DROOT)/zfs-modules.ignore); do grep -qxF $$m $(prev_abidir)/../modules.ignore 2>/dev/null || echo $$m >> $(prev_abidir)/../modules.ignore; done)
 endif
 
+ifeq ($(do_v4l2loopback),false)
+	do_v4l2loopback_disable:=$(shell for m in $$(cat $(DROOT)/v4l2loopback-modules.ignore); do grep -qxF $$m $(prev_abidir)/../modules.ignore 2>/dev/null || echo $$m >> $(prev_abidir)/../modules.ignore; done)
+endif
+
 ifeq ($(do_dkms_wireguard),false)
 	do_wireguard_disable:=$(shell for m in $$(cat $(DROOT)/wireguard-modules.ignore); do grep -qxF $$m $(prev_abidir)/../modules.ignore 2>/dev/null || echo $$m >> $(prev_abidir)/../modules.ignore; done)
 endif
@@ -118,6 +123,7 @@ do_any_tools=$(sort $(filter-out false,$(do_linux_tools) $(do_cloud_tools)))
 # Versions of dkms packages.
 dkms_zfs_linux_version=$(shell gawk '/^zfs-linux / { print $$2; }' debian/dkms-versions)
 dkms_vbox_guest_version=$(shell gawk '/^virtualbox/ { print $$2; }' debian/dkms-versions)
+dkms_v4l2loopback_version=$(shell gawk '/^v4l2loopback / { print $$2; }' debian/dkms-versions)
 dkms_wireguard_version=$(shell gawk '/^wireguard-linux-compat / { print $$2; }' debian/dkms-versions)
 
 # NVIDIA DKMS package gross series split into desktop and server.
diff --git a/debian/rules.d/2-binary-arch.mk b/debian/rules.d/2-binary-arch.mk
index a0b7d7180afe..e670428392b1 100644
--- a/debian/rules.d/2-binary-arch.mk
+++ b/debian/rules.d/2-binary-arch.mk
@@ -120,7 +120,8 @@ install-%: MODPUBKEY=$(builddir)/build-$*/certs/signing_key.x509
 install-%: build_dir=$(builddir)/build-$*
 install-%: dkms_dir=$(call dkms_dir_prefix,$(builddir)/build-$*)
 install-%: enable_zfs = $(call custom_override,do_zfs,$*)
-install-%: dbgpkgdir_zfs = $(if $(filter true,$(skipdbg)),"",$(dbgpkgdir)/usr/lib/debug/lib/modules/$(abi_release)-$*/kernel)
+install-%: enable_v4l2loopback = $(call custom_override,do_v4l2loopback,$*)
+install-%: dbgpkgdir_dkms = $(if $(filter true,$(skipdbg)),"",$(dbgpkgdir)/usr/lib/debug/lib/modules/$(abi_release)-$*/kernel)
 install-%: $(stampdir)/stamp-build-% install-headers
 	@echo Debug: $@ kernel_file $(kernel_file) kernfile $(kernfile) install_file $(install_file) instfile $(instfile)
 	dh_testdir
@@ -412,7 +413,9 @@ endif
 	install -d $(dkms_dir) $(dkms_dir)/headers $(dkms_dir)/build $(dkms_dir)/source
 	cp -rp "$(hdrdir)" "$(indep_hdrdir)" "$(dkms_dir)/headers"
 
-	$(if $(filter true,$(enable_zfs)),$(call build_dkms, $(mods_pkg_name)-$*, $(pkgdir)/lib/modules/$(abi_release)-$*/kernel, $(dbgpkgdir_zfs), zfs, pool/universe/z/zfs-linux/zfs-dkms_$(dkms_zfs_linux_version)_all.deb))
+	$(if $(filter true,$(enable_zfs)),$(call build_dkms, $(mods_pkg_name)-$*, $(pkgdir)/lib/modules/$(abi_release)-$*/kernel, $(dbgpkgdir_dkms), zfs, pool/universe/z/zfs-linux/zfs-dkms_$(dkms_zfs_linux_version)_all.deb))
+	$(if $(filter true,$(enable_v4l2loopback)),$(call build_dkms, $(mods_pkg_name)-$*, $(pkgdir)/lib/modules/$(abi_release)-$*/kernel, $(dbgpkgdir_dkms), v4l2loopback, pool/universe/v/v4l2loopback/v4l2loopback-dkms_$(dkms_v4l2loopback_version)_all.deb))
+
 
 ifeq ($(do_dkms_nvidia),true)
 	$(foreach series,$(nvidia_desktop_series),$(call nvidia_build,$(series)))
@@ -580,7 +583,8 @@ binary-%: dbgpkg = $(bin_pkg_name)-$*-dbgsym
 binary-%: dbgpkgdir = $(CURDIR)/debian/$(bin_pkg_name)-$*-dbgsym
 binary-%: pkgtools = $(tools_flavour_pkg_name)-$*
 binary-%: pkgcloud = $(cloud_flavour_pkg_name)-$*
-binary-%: rprovides = $(if $(filter true,$(call custom_override,do_zfs,$*)),spl-modules$(comma) spl-dkms$(comma) zfs-modules$(comma) zfs-dkms$(comma))
+binary-%: rprovides = $(if $(filter true,$(call custom_override,do_zfs,$*)),spl-modules$(comma) spl-dkms$(comma) zfs-modules$(comma) zfs-dkms$(comma)) \
+		$(if $(filter true,$(call custom_override,do_v4l2loopback,$*)),v4l2loopback-modules$(comma) v4l2loopback-dkms$(comma))
 binary-%: target_flavour = $*
 binary-%: checks-%
 	@echo Debug: $@
diff --git a/debian/v4l2loopback-modules.ignore b/debian/v4l2loopback-modules.ignore
new file mode 100644
index 000000000000..d394e47bc819
--- /dev/null
+++ b/debian/v4l2loopback-modules.ignore
@@ -0,0 +1 @@
+v4l2loopback
-- 
2.33.1