#! /usr/bin/make -f

## See debhelper(7) (uncomment to enable).
## Output every command that modifies files on the build system.
export DH_VERBOSE = 1
export PIKA_BUILD_ARCH = $(shell cat ../pika-build-arch)

override_dh_prep:
# amd64 build prep
ifeq (amd64,$(DEB_HOST_ARCH))
	# Extract nvidia files from run archive
	./nvidia-installer.run  --extract-only
	mkdir -p debian/tmp
	# Copy installer contents into debian temp dir
	cp -rf ./NVIDIA-Linux-*/* debian/tmp
	# Delete 32 libs on amd64 builds
	rm -rf debian/tmp/32
	# Extract all manpages
	gunzip debian/tmp/*.1.gz -k
	# Apply the patch from ./debian/patches/0001.patch
	patch -Np2 -i $(CURDIR)/debian/patches/0001.patch -d $(CURDIR)/debian/tmp/kernel
	patch -Np2 -i $(CURDIR)/debian/patches/0001.patch -d $(CURDIR)/debian/tmp/kernel-open
	# NVENC/NvFBC
	sed -i 's/\xe8\x35\x3e\xfe\xff\x85\xc0\x41\x89\xc4/\xe8\x35\x3e\xfe\xff\x29\xc0\x41\x89\xc4/g' "debian/tmp/libnvidia-encode.so.565.77"
	sed -i 's/\x85\xc0\x0f\x84\x9b\x00\x00\x00\x48/\x85\xc0\x90\x90\x90\x90\x90\x90\x48/g' "debian/tmp/libnvidia-fbc.so.565.77"
endif

# i386 (x86) build
ifeq (i386,$(DEB_HOST_ARCH))
	# Extract nvidia files from run archive
	./nvidia-installer.run  --extract-only
	mkdir -p debian/tmp
	# Copy installer contents into debian temp dir
	cp -rf ./NVIDIA-Linux-*/* debian/tmp
	# Apply the patch from debian/patches/0001.patch
	patch -Np2 -i $(CURDIR)/debian/patches/0001.patch -d $(CURDIR)/debian/tmp/kernel
	patch -Np2 -i $(CURDIR)/debian/patches/0001.patch -d $(CURDIR)/debian/tmp/kernel-open
	# Replace libs with 32 bit
	rm -rf debian/tmp/*.so*
	cp -rf ./NVIDIA-Linux-*/32/* debian/tmp
	rm -rf debian/tmp/32
endif

override_dh_shlibdeps:
	dh_shlibdeps -l/usr/lib/$(DEB_HOST_MULTIARCH)/nvidia/current/:/usr/lib/nvidia/current/
	
%:
	dh $@