#!/usr/bin/make -f
include /usr/share/dpkg/pkg-info.mk

export DH_VERBOSE = 1
export DEB_BUILD_MAINT_OPTIONS = hardening=+all optimize=-lto
export DEB_CXXFLAGS_MAINT_PREPEND = -gz

CFLAGS := $(subst -fno-cf-protection,,$(CXXFLAGS))
CXXFLAGS := $(subst -fno-cf-protection,,$(CXXFLAGS))

ifneq ($(filter $(DEB_HOST_ARCH),armel mipsel powerpc),)
DEVICE_LIBS_CONFIG_FLAGS += -DCMAKE_CXX_STANDARD_LIBRARIES=-latomic
endif

define create_man =
help2man \
  --no-info \
  --source=debian \
  --help-option='-h' \
  --no-discard-stderr \
  --version-string=$(DEB_VERSION) \
  --name=$(2) \
  --section=$(3) \
  --output debian/hipcc/usr/share/man/man$(3)/$(2).$(3) \
  $(1)/$(2)
endef

%:
	dh $@

# comgr and hipcc rely on device-libs, so we have to build it first before config these 2 packages
override_dh_auto_configure:
	dh_auto_configure --buildsystem=cmake --sourcedir=amd/device-libs --builddir=build.device-libs \
				-- $(DEVICE_LIBS_CONFIG_FLAGS)
	dh_auto_build --builddir=build.device-libs

	dh_auto_configure --buildsystem=cmake --sourcedir=amd/comgr --builddir=build.comgr \
				-- -DCMAKE_PREFIX_PATH="/usr/lib/llvm-17" \
				-DAMDDeviceLibs_DIR="$(CURDIR)/build.device-libs/lib/x86_64-linux-gnu/cmake/AMDDeviceLibs" \
				-DBUILD_TESTING=OFF -DCOMGR_BUILD_SHARED_LIBS=ON \
				-DBUILD_FILE_REORG_BACKWARD_COMPATIBILITY=OFF

	dh_auto_configure --buildsystem=cmake --sourcedir=amd/hipcc --builddir=build.hipcc \
				-- -DHIPCC_BACKWARD_COMPATIBILITY=ON

override_dh_auto_build:
	dh_auto_build --builddir=build.comgr
	dh_auto_build --builddir=build.hipcc

# dwz doesn't fully support DWARF-5 yet, see #1016936
override_dh_dwz:
	:

override_dh_auto_install:
	dh_auto_install -O--buildsystem=cmake -O--builddirectory=$(CURDIR)/build.device-libs
	dh_auto_install -O--buildsystem=cmake -O--builddirectory=$(CURDIR)/build.comgr
	dh_auto_install -O--buildsystem=cmake -O--builddirectory=$(CURDIR)/build.hipcc

override_dh_install:
	mv $(CURDIR)/build.comgr/amd_comgr-config.cmake.install $(CURDIR)/build.comgr/amd_comgr-config.cmake
	chrpath -d $(shell find . -type f -name libamd_comgr.so*)
	dh_install

execute_after_dh_perl:
	# dh_perl doesn't fix these because they are in a private location
	sed -i 's/\/usr\/bin\/env perl/\/usr\/bin\/perl/' $(CURDIR)/debian/hipcc/usr/share/hipcc/bin/*

override_dh_installman:
	mkdir -p debian/hipcc/usr/share/man/man1
	$(call create_man,debian/hipcc/usr/bin,hipcc,1)
	$(call create_man,debian/hipcc/usr/bin,hipconfig,1)
	dh_installman

override_dh_shlibdeps:
	dh_shlibdeps --dpkg-shlibdeps-params=--ignore-missing-info