# Define the default target now so that it is always the first target
default: main quantize quantize-stats perplexity embedding vdot

ifndef UNAME_S
UNAME_S := $(shell uname -s)
endif

ifndef UNAME_P
UNAME_P := $(shell uname -p)
endif

ifndef UNAME_M
UNAME_M := $(shell uname -m)
endif

CCV := $(shell $(CC) --version | head -n 1)
CXXV := $(shell $(CXX) --version | head -n 1)

# Mac OS + Arm can report x86_64
# ref: https://github.com/ggerganov/whisper.cpp/issues/66#issuecomment-1282546789
ifeq ($(UNAME_S),Darwin)
	ifneq ($(UNAME_P),arm)
		SYSCTL_M := $(shell sysctl -n hw.optional.arm64 2>/dev/null)
		ifeq ($(SYSCTL_M),1)
			# UNAME_P := arm
			# UNAME_M := arm64
			warn := $(warning Your arch is announced as x86_64, but it seems to actually be ARM64. Not fixing that can lead to bad performance. For more info see: https://github.com/ggerganov/whisper.cpp/issues/66\#issuecomment-1282546789)
		endif
	endif
endif

#
# Compile flags
#

# keep standard at C11 and C++11
CFLAGS   = -I.              -O3 -std=c11   -fPIC
CXXFLAGS = -I. -I./examples -O3 -std=c++11 -fPIC
LDFLAGS  =

ifndef LLAMA_DEBUG
	CFLAGS   += -DNDEBUG
	CXXFLAGS += -DNDEBUG
endif

# warnings
CFLAGS   += -Wall -Wextra -Wpedantic -Wcast-qual -Wdouble-promotion -Wshadow -Wstrict-prototypes -Wpointer-arith
CXXFLAGS += -Wall -Wextra -Wpedantic -Wcast-qual -Wno-unused-function -Wno-multichar

# OS specific
# TODO: support Windows
ifeq ($(UNAME_S),Linux)
	CFLAGS   += -pthread
	CXXFLAGS += -pthread
endif
ifeq ($(UNAME_S),Darwin)
	CFLAGS   += -pthread
	CXXFLAGS += -pthread
endif
ifeq ($(UNAME_S),FreeBSD)
	CFLAGS   += -pthread
	CXXFLAGS += -pthread
endif
ifeq ($(UNAME_S),NetBSD)
	CFLAGS   += -pthread
	CXXFLAGS += -pthread
endif
ifeq ($(UNAME_S),OpenBSD)
	CFLAGS   += -pthread
	CXXFLAGS += -pthread
endif
ifeq ($(UNAME_S),Haiku)
	CFLAGS   += -pthread
	CXXFLAGS += -pthread
endif

# Architecture specific
# TODO: probably these flags need to be tweaked on some architectures
#       feel free to update the Makefile for your architecture and send a pull request or issue
ifeq ($(UNAME_M),$(filter $(UNAME_M),x86_64 i686))
	# Use all CPU extensions that are available:
	CFLAGS   += -march=native -mtune=native
	CXXFLAGS += -march=native -mtune=native

	# Usage AVX-only
	#CFLAGS   += -mfma -mf16c -mavx
	#CXXFLAGS += -mfma -mf16c -mavx
endif
ifneq ($(filter ppc64%,$(UNAME_M)),)
	POWER9_M := $(shell grep "POWER9" /proc/cpuinfo)
	ifneq (,$(findstring POWER9,$(POWER9_M)))
		CFLAGS   += -mcpu=power9
		CXXFLAGS += -mcpu=power9
	endif
	# Require c++23's std::byteswap for big-endian support.
	ifeq ($(UNAME_M),ppc64)
		CXXFLAGS += -std=c++23 -DGGML_BIG_ENDIAN
	endif
endif
ifndef LLAMA_NO_ACCELERATE
	# Mac M1 - include Accelerate framework.
	# `-framework Accelerate` works on Mac Intel as well, with negliable performance boost (as of the predict time).
	ifeq ($(UNAME_S),Darwin)
		CFLAGS  += -DGGML_USE_ACCELERATE
		LDFLAGS += -framework Accelerate
	endif
endif
ifdef LLAMA_OPENBLAS
	CFLAGS  += -DGGML_USE_OPENBLAS -I/usr/local/include/openblas
	LDFLAGS += -lopenblas
endif
ifdef LLAMA_CUBLAS
	CFLAGS    += -DGGML_USE_CUBLAS -I/usr/local/cuda/include -I/opt/cuda/include -I$(CUDA_PATH)/targets/x86_64-linux/include
	CXXFLAGS  += -DGGML_USE_CUBLAS -I/usr/local/cuda/include -I/opt/cuda/include -I$(CUDA_PATH)/targets/x86_64-linux/include
	LDFLAGS   += -lcublas -lculibos -lcudart -lcublasLt -lpthread -ldl -lrt -L/usr/local/cuda/lib64 -L/opt/cuda/lib64 -L$(CUDA_PATH)/targets/x86_64-linux/lib
	OBJS      += ggml-cuda.o
	NVCC      = nvcc
	NVCCFLAGS = --forward-unknown-to-host-compiler -arch=native
ggml-cuda.o: ggml-cuda.cu ggml-cuda.h
	$(NVCC) $(NVCCFLAGS) $(CXXFLAGS) -Wno-pedantic -c $< -o $@
endif
ifdef LLAMA_CLBLAST
	CFLAGS  += -DGGML_USE_CLBLAST
	LDFLAGS += -lclblast -lOpenCL
	OBJS    += ggml-opencl.o
ggml-opencl.o: ggml-opencl.c ggml-opencl.h
	$(CC) $(CFLAGS) -c $< -o $@
endif
ifdef LLAMA_GPROF
	CFLAGS   += -pg
	CXXFLAGS += -pg
endif
ifdef LLAMA_PERF
	CFLAGS   += -DGGML_PERF
	CXXFLAGS += -DGGML_PERF
endif
ifneq ($(filter aarch64%,$(UNAME_M)),)
	# Apple M1, M2, etc.
	# Raspberry Pi 3, 4, Zero 2 (64-bit)
	CFLAGS   += -mcpu=native
	CXXFLAGS += -mcpu=native
endif
ifneq ($(filter armv6%,$(UNAME_M)),)
	# Raspberry Pi 1, Zero
	CFLAGS += -mfpu=neon-fp-armv8 -mfp16-format=ieee -mno-unaligned-access
endif
ifneq ($(filter armv7%,$(UNAME_M)),)
	# Raspberry Pi 2
	CFLAGS += -mfpu=neon-fp-armv8 -mfp16-format=ieee -mno-unaligned-access -funsafe-math-optimizations
endif
ifneq ($(filter armv8%,$(UNAME_M)),)
	# Raspberry Pi 3, 4, Zero 2 (32-bit)
	CFLAGS += -mfp16-format=ieee -mno-unaligned-access
endif

#
# Print build information
#

$(info I llama.cpp build info: )
$(info I UNAME_S:  $(UNAME_S))
$(info I UNAME_P:  $(UNAME_P))
$(info I UNAME_M:  $(UNAME_M))
$(info I CFLAGS:   $(CFLAGS))
$(info I CXXFLAGS: $(CXXFLAGS))
$(info I LDFLAGS:  $(LDFLAGS))
$(info I CC:       $(CCV))
$(info I CXX:      $(CXXV))
$(info )

#
# Build library
#

ggml.o: ggml.c ggml.h ggml-cuda.h
	$(CC)  $(CFLAGS)   -c $< -o $@

llama.o: llama.cpp ggml.h ggml-cuda.h llama.h llama-util.h
	$(CXX) $(CXXFLAGS) -c $< -o $@

common.o: examples/common.cpp examples/common.h
	$(CXX) $(CXXFLAGS) -c $< -o $@

libllama.so: llama.o ggml.o $(OBJS)
	$(CXX) $(CXXFLAGS) -shared -fPIC -o $@ $^ $(LDFLAGS)

clean:
	rm -vf *.o main quantize quantize-stats perplexity embedding benchmark-matmult save-load-state build-info.h

#
# Examples
#

main: examples/main/main.cpp build-info.h ggml.o llama.o common.o $(OBJS)
	$(CXX) $(CXXFLAGS) $(filter-out %.h,$^) -o $@ $(LDFLAGS)
	@echo
	@echo '====  Run ./main -h for help.  ===='
	@echo

quantize: examples/quantize/quantize.cpp build-info.h ggml.o llama.o $(OBJS)
	$(CXX) $(CXXFLAGS) $(filter-out %.h,$^) -o $@ $(LDFLAGS)

quantize-stats: examples/quantize-stats/quantize-stats.cpp build-info.h ggml.o llama.o $(OBJS)
	$(CXX) $(CXXFLAGS) $(filter-out %.h,$^) -o $@ $(LDFLAGS)

perplexity: examples/perplexity/perplexity.cpp build-info.h ggml.o llama.o common.o $(OBJS)
	$(CXX) $(CXXFLAGS) $(filter-out %.h,$^) -o $@ $(LDFLAGS)

embedding: examples/embedding/embedding.cpp build-info.h ggml.o llama.o common.o $(OBJS)
	$(CXX) $(CXXFLAGS) $(filter-out %.h,$^) -o $@ $(LDFLAGS)

save-load-state: examples/save-load-state/save-load-state.cpp build-info.h ggml.o llama.o common.o $(OBJS)
	$(CXX) $(CXXFLAGS) $(filter-out %.h,$^) -o $@ $(LDFLAGS)

build-info.h: $(wildcard .git/index) scripts/build-info.sh
	@sh scripts/build-info.sh > $@.tmp
	@if ! cmp -s $@.tmp $@; then \
		mv $@.tmp $@; \
	else \
		rm $@.tmp; \
	fi

#
# Tests
#

benchmark-matmult: examples/benchmark/benchmark-matmult.cpp build-info.h ggml.o $(OBJS)
	$(CXX) $(CXXFLAGS) $(filter-out %.h,$^) -o $@ $(LDFLAGS)
	./$@

vdot: pocs/vdot/vdot.cpp ggml.o $(OBJS)
	$(CXX) $(CXXFLAGS) $^ -o $@ $(LDFLAGS)

.PHONY: tests
tests:
	bash ./tests/run-tests.sh