#!/usr/bin/make -f

export CXX=/usr/bin/clang++-22
export DEB_BUILD_MAINT_OPTIONS = hardening=+all optimize=-lto
export DEB_CXXFLAGS_MAINT_PREPEND = -gz
export VERBOSE=1

# -Wl,--gc-sections:
# Fixes linker errors ("relocation refers to a discarded section") when using gtest.
# The linker's section garbage collection incorrectly discards needed code due to
# a toolchain mismatch (ROCm's clang vs. the system's GCC). This flag forces the
# linker to correctly re-evaluate dependencies, keeping the required sections.
export DEB_LDFLAGS_MAINT_PREPEND = -Wl,--gc-sections

# filter incompatible options from affecting device code
CXXFLAGS := $(subst -fstack-protector-strong,-Xarch_host -fstack-protector-strong,$(CXXFLAGS))
CXXFLAGS := $(subst -fcf-protection,-Xarch_host -fcf-protection,$(CXXFLAGS))

NUM_THREADS = 1
ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
	NUM_THREADS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
endif

CMAKE_FLAGS = \
	-DCMAKE_BUILD_TYPE=Release \
	-DROCM_SYMLINK_LIBS=OFF \
	-DBUILD_FILE_REORG_BACKWARD_COMPATIBILITY=OFF \
	-DMIOPEN_USE_MLIR=OFF \
	-DMIOPEN_BUILD_DRIVER=ON \
	-DMIOPEN_ENABLE_FIN=OFF \
	-DMIOPEN_STRIP_SYMBOLS=OFF \
	-DMIOPEN_BACKEND=HIP \
	-DBoost_USE_STATIC_LIBS=OFF

# Those 2 next are going together both ON or both OFF
# This result in disabling both until HIPRTC is configurable TODO:
CMAKE_FLAGS += \
	-DMIOPEN_USE_HIPRTC=ON \
	-DMIOPEN_USE_COMGR=ON

# From TheRock build/logs/MIOpen_configure.log
CMAKE_FLAGS += \
	-DHIP_PLATFORM=amd \
	-DBUILD_TESTING=ON \
	-DMIOPEN_USE_COMPOSABLEKERNEL=OFF \
	-DMIOPEN_TEST_DISCRETE=OFF

# Hack for half ... see override_dh_auto_configure
CMAKE_FLAGS += \
	-DHALF_INCLUDE_DIR=$(CURDIR)/debian

# Update requirement For 7.2.4
CMAKE_FLAGS += \
	-DMIOPEN_USE_HIPBLASLT=OFF \
	-DHIP_OC_COMPILER=/usr/bin/clang-22

# Manually set the system DB path to the correct location due to
# use of patch 0005-fix-system-db-path-for-multiarch.patch
MIOPEN_DB_PATH := /usr/share/miopen/db

CMAKE_FLAGS += \
	-DMIOPEN_SYSTEM_DB_PATH=$(MIOPEN_DB_PATH) \
	-DDATABASE_INSTALL_DIR=$(MIOPEN_DB_PATH)
#	-DMIOPEN_DEBUG_GCN_ASM_KERNELS=OFF

%:
	dh $@ -Scmake --builddirectory=build

override_dh_auto_configure-arch:
	[ -d $(CURDIR)/debian/half ] || mkdir debian/half
	[ -L $(CURDIR)/debian/half/half.hpp ] || ln -s /usr/include/half.hpp $(CURDIR)/debian/half/half.hpp
	# Convert .tn.model files for new upstream dependency version
	python3 $(CURDIR)/debian/bin/convert_tn_models.py $(CURDIR)/src/kernels/*.tn.model
	dh_auto_configure -- $(CMAKE_FLAGS)

override_dh_auto_build-indep:
	:

override_dh_auto_configure-indep:
	:

execute_after_dh_auto_build-indep: export http_proxy=127.0.0.1:9
execute_after_dh_auto_build-indep: export https_proxy=127.0.0.1:9
execute_after_dh_auto_build-indep:
ifeq (,$(filter nodoc,$(DEB_BUILD_OPTIONS)))
	rocm-docs-build
	rm -rf build/html/_static/fonts
	rm -rf build/html/_static/vendor
	rm -f  build/html/doxygen/html/jquery.js
endif

override_dh_auto_test:
ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
	set -e \
	; if [ -r /dev/kfd ] \
	; then echo "W: No tests." \
	; else echo "W: /dev/kfd unreadable: no available AMD GPU." \
	;      echo "W: tests skipped." \
	; fi
endif

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

# Set dh_makeshlibs to fail level 4
override_dh_makeshlibs:
	dh_makeshlibs -V -plibmiopen1 -- -c4