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# Copyright (c) 2023, Marvin Borner <dev@marvinborner.de>
# SPDX-License-Identifier: MIT
CC = gcc
TG = ctags
BUILD = ${CURDIR}/build
SRC = ${CURDIR}/src
INC = ${CURDIR}/inc
SRCS = $(wildcard $(SRC)/*.c) $(wildcard $(SRC)/*/*.c) $(SRC)/cmdline.c
OBJS = $(patsubst $(SRC)/%.c, $(BUILD)/%.o, $(SRCS))
CFLAGS_DEBUG = -fsanitize=leak,undefined,address -g -O0
CFLAGS_WARNINGS = -Wall -Wextra -Wshadow -Wpointer-arith -Wwrite-strings -Wredundant-decls -Wnested-externs -Wmissing-declarations -Wstrict-prototypes -Wmissing-prototypes -Wcast-qual -Wswitch-default -Wswitch-enum -Wunreachable-code -Wundef -Wold-style-definition -pedantic -Wno-switch-enum
CFLAGS = $(CFLAGS_WARNINGS) -std=c99 -Ofast -I$(INC)
ifdef DEBUG # TODO: Somehow clean automagically
CFLAGS += $(CFLAGS_DEBUG)
endif
ifeq ($(PREFIX),)
PREFIX := /usr/local
endif
all: compile
full: all sync
compile: $(BUILD) $(OBJS) $(BUILD)/blocade
clean:
@rm -rf $(BUILD)/*
@rm -f $(SRC)/cmdline.*
install:
@install -m 755 $(BUILD)/blocade $(DESTDIR)$(PREFIX)/bin/
sync: # Ugly hack
@$(MAKE) $(BUILD)/blocade --always-make --dry-run | grep -wE 'gcc|g\+\+' | grep -w '\-c' | jq -nR '[inputs|{directory:".", command:., file: match(" [^ ]+$$").string[1:]}]' >compile_commands.json
@$(TG) -R --exclude=.git --exclude=build .
$(SRC)/cmdline.c:
@gengetopt -i ${CURDIR}/options.ggo -G --output-dir=$(BUILD)
@printf '%s\n%s\n%s\n%s' '#pragma GCC diagnostic push' '#pragma GCC diagnostic ignored "-Wcast-qual"' "$$(cat $(BUILD)/cmdline.c)" '#pragma GCC diagnostic pop' >$(SRC)/cmdline.c
@cp $(BUILD)/cmdline.h $(SRC)/cmdline.h
$(BUILD)/%.o: $(SRC)/%.c | $(SRC)/cmdline.c
@mkdir -p $(@D)
@$(CC) -c -o $@ $(CFLAGS) $<
$(BUILD)/blocade: $(OBJS)
@$(CC) -o $@ $(CFLAGS) $^
.PHONY: all compile clean sync
$(BUILD):
@mkdir -p $@
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