Makefile

# Disable echoing of commands
ifndef VERBOSE
MAKEFLAGS += --silent
endif

source := $(shell find dh ecdh ntru -type f -name "*.c" -or -name "*.h")

.PHONY: xkcp dh ecdh ntru classic-mceliece test benchmark clean

all: xkcp dh ecdh ntru

xkcp:
	$(MAKE) -C xkcp plain-64bits/lcu6
ifeq ($(shell uname), Linux)
ifeq ($(shell lscpu | grep '^Flags' | cut -d ':' -f2 | grep -o avx2),)
	@echo "Warning: skipping AVX2-only tasks for XKCP - may result in later build failure"
else
	$(MAKE) -C xkcp AVX2
endif
else
	@echo "Warning: skipping Linux-only tasks for XKCP - may result in later build failure"
endif

dh:
	$(MAKE) -C dh

ecdh:
	$(MAKE) -C ecdh

ntru:
	$(MAKE) -C ntru

classic-mceliece:
	$(MAKE) -C classic-mceliece

# Create the compilation database for llvm tools
compile_commands.json: Makefile
	# compiledb is installed using: pip install compiledb
	compiledb -n make

# Format code according to .clang-format
format: $(source)
	clang-format -style=file -i $(source)

# Build tests
tests: xkcp
	$(MAKE) -C ntru tests
	$(MAKE) -C classic-mceliece tests
	$(MAKE) -C dh tests
	$(MAKE) -C ecdh tests

# Run tests
test: tests
	$(MAKE) -C ntru test
	$(MAKE) -C classic-mceliece test
	$(MAKE) -C dh test
	$(MAKE) -C ecdh test

# Build benchmarks
benchmarks: xkcp
	$(MAKE) -C ntru benchmarks
	$(MAKE) -C classic-mceliece benchmarks
	$(MAKE) -C dh benchmarks
	$(MAKE) -C ecdh benchmarks

hotpaths: xkcp
	$(MAKE) -C ntru hotpaths
	$(MAKE) -C classic-mceliece hotpaths

debug-flags:
	echo "export CFLAGS='-Wall -Wextra -pedantic -Wno-unused-parameter -Wno-unused-command-line-argument -fsanitize=address -fno-omit-frame-pointer -g'"
	echo "export CC=clang"
	echo "export ASAN_OPTIONS=detect_leaks=1,symbolize=1"
	echo "export ASAN_SYMBOLIZER_PATH=$(shell which llvm-symbolizer)"

clean:
	rm -rf data compile_commands.json &> /dev/null || true
	$(MAKE) -C dh clean || true
	$(MAKE) -C ecdh clean || true
	$(MAKE) -C ntru clean || true
	$(MAKE) -C classic-mceliece clean || true
	$(MAKE) -C xkcp clean || true