#!/usr/bin/make -f
export CXX=hipcc
export HIP_CLANG_PATH=/usr/lib/llvm-22/bin
export DEB_BUILD_MAINT_OPTIONS = hardening=+all optimize=-lto
export DEB_CXXFLAGS_MAINT_PREPEND = -gz
# -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
export VERBOSE=1
#export AMD_LOG_LEVEL=4

# 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))

CMAKE_FLAGS = \
	-DCMAKE_BUILD_TYPE=Release \
	-DCMAKE_INSTALL_LIBDIR=share \
	-DGPU_TARGETS="$(shell rocm-target-arch --sep ';')" \
	-DROCM_SYMLINK_LIBS=OFF \
	-DBUILD_FILE_REORG_BACKWARD_COMPATIBILITY=OFF \
	-DCMAKE_SKIP_INSTALL_RPATH=ON

%:
	dh $@

override_dh_auto_configure-arch:
	dh_auto_configure -- $(CMAKE_FLAGS) -DBUILD_TEST=ON

override_dh_auto_configure-indep:
	dh_auto_configure -- $(CMAKE_FLAGS)

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

override_dh_auto_test-indep:
	:

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

execute_before_dh_install-arch:
	:

override_dh_auto_install-indep:
	dh_auto_install --destdir=debian/tmp

override_dh_gencontrol:
	dh_gencontrol -- -Vrocm:GPU-Architecture="$(shell rocm-target-arch)"

# Ensure shlibdeps finds private test libs and ignore plugin-like .so resolution
override_dh_shlibdeps:
	dh_shlibdeps -Xlibtest_linking_lib1 -- -ldebian/librocprim-tests/usr/libexec/rocm/librocprim-tests
	dh_shlibdeps -Xlibtest_linking_lib2 -- -ldebian/librocprim-tests/usr/libexec/rocm/librocprim-tests

override_dh_fixperms-arch:
	dh_fixperms
	chmod 0644 debian/librocprim-tests/usr/libexec/rocm/librocprim-tests/libtest_linking_lib*.so