#!/usr/bin/make -f

export DEB_BUILD_MAINT_OPTIONS	 = hardening=+all

include /usr/share/dpkg/pkg-info.mk

LLVM_VERSION	 = $(shell sed -n -r '/^Build/,/^$$/s/.*llvm-([0-9]+)-dev.*/\1/p' debian/control)
LLVM_SOVERSION	 = $(LLVM_VERSION).1

AUTOGEN		 = debian/libllvmspirvlib$(LLVM_SOVERSION).install
AUTOGEN		+= debian/libllvmspirvlib$(LLVM_SOVERSION).symbols

%:
	dh $@ --builddir build/

libllvmspirvlib$(LLVM_SOVERSION).%: libllvmspirvlibSOVERSION.%
	ln -s $(<F) $@

autogen: $(AUTOGEN) ;

override_dh_auto_configure: autogen
	dh_auto_configure -- \
		-DCMAKE_SKIP_RPATH=ON \
		-DLLVM_EXTERNAL_SPIRV_HEADERS_SOURCE_DIR=/usr/include \
		-DBUILD_SHARED_LIBS=ON \
		-DLLVM_SPIRV_INCLUDE_TESTS=ON \
		-DLLVM_EXTERNAL_LIT=/usr/lib/llvm-$(LLVM_VERSION)/build/utils/lit/lit.py \
		-Wno-dev

execute_after_dh_auto_install:
	mv debian/tmp/usr/bin/llvm-spirv debian/tmp/usr/bin/llvm-spirv-$(LLVM_VERSION)

# skip tests on big-endian architectures, uses excessive amount (> 40GB) of disk space
ignore_test_failures	 = $(if $(filter $(DEB_HOST_ARCH),amd64),,-)
override_dh_auto_test:
ifeq ($(DEB_HOST_ARCH_ENDIAN),little)
	$(ignore_test_failures)env LD_LIBRARY_PATH=$(LD_LIBRARY_PATH):$(CURDIR)/build/lib/SPIRV dh_auto_test
endif

override_dh_gencontrol:
	dh_gencontrol -- \
		-V'llvm:major=$(LLVM_VERSION)' \
		-V'llvm:soversion=$(LLVM_SOVERSION)' \

execute_after_dh_clean:
	$(RM) $(AUTOGEN)

update-symbols: debian/libllvmspirvlib$(LLVM_SOVERSION).symbols
	pkgkde-getbuildlogs
	echo "pkgkde-symbolshelper batchpatch -v $(DEB_VERSION_EPOCH_UPSTREAM) $(DEB_SOURCE)_$(DEB_DISTRIBUTION)_logs/$(DEB_SOURCE)_$(DEB_VERSION)_*build"


ifneq (,$(wildcard .git))
upstream:
	git remote show $@ >/dev/null 2>&1 || git remote add $@ $(shell sed -rn 's/Repository: //p' debian/upstream/metadata)
	git fetch $@ --prune
endif