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Makefile
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# https://www.gnu.org/software/make/manual/make.html#Pattern-Examples
# http://wiki.inf.ufpr.br/maziero/doku.php?id=prog2:o_sistema_make
# CC compilador a ser usado
# CPPFLAGS opções para o preprocessador (-DDEBUG ou -I $(DIR_INCLUDES))
# CFLAGS opções para o compilador (-std=c99)
# LDFLAGS opções para o ligador (-static -L/opt/opencv/lib)
# LDLIBS bibliotecas a ligar ao código gerado (-lpthreads -lmath)
# https://www.gnu.org/software/make/manual/make.html#Automatic-Variables
# $@ - representa o alvo
# $^ - representa a lista de dependencia
# $< - representa a primeira dependencia
# alvo: dependencia
# <tab>regra
PROG_NAME=netproc
prefix ?= /usr/local
PATH_DOC_INSTALL=$(DESTDIR)$(prefix)/share/man/man8
PATH_INSTALL=$(DESTDIR)$(prefix)/sbin
SRCDIR=./src
OBJDIR=./obj
BINDIR=./bin
DOCDIR=./doc
CC ?= gcc
CFLAGS += -Wall -Wextra -pedantic -Wformat=2
# environment var
ifdef DEBUG
CFLAGS += -O0 -ggdb -fsanitize=address
LDFLAGS += -fsanitize=address
else ifdef DEV
CFLAGS += -O0 -ggdb
else
CPPFLAGS += -D NDEBUG
CFLAGS += -O2 -flto
LDFLAGS += -s -O2 -flto
endif
LDLIBS=$(shell ncursesw6-config --libs 2> /dev/null)
# if LDLIBS is empty
ifeq ($(LDLIBS),)
LDLIBS=$(shell ncursesw5-config --libs 2> /dev/null)
endif
LDLIBS += -lpthread
#.c files all subdirectories
C_SOURCE= $(wildcard $(SRCDIR)/*.c) $(wildcard $(SRCDIR)/*/*.c)
# .h files all subdirectories
H_SOURCE=$(wildcard $(SRCDIR)/*.h) $(wildcard $(SRCDIR)/*/*.h)
# https://www.gnu.org/software/make/manual/make.html#General-Search
# search path prerequisits
VPATH= src src/resolver
# Object files
# todos arquivos .c trocado a extensão para .o
# transforma 'src/foo.c' em 'obj/foo.o'
OBJECTS=$(addprefix $(OBJDIR)/, $(notdir $(C_SOURCE:.c=.o) ) )
# alvos fake, não são arquivos
.PHONY: all clean distclean run install uninstall format man tarball
all: $(BINDIR)/$(PROG_NAME)
# linka os arquivos ojetos para o executavel
# regra ja é implitica dessa forma,
# adicionado apenas para 'clareza'
$(BINDIR)/$(PROG_NAME): $(OBJECTS)
$(CC) $(LDFLAGS) $^ $(LDLIBS) -o $@
# mascara generica para compilar arquivos .o
# utiliza todos os arquivos headers como dependencia,
# caso algum seja atualizado, todo os objetos são recompilados
$(OBJDIR)/%.o: %.c $(H_SOURCE)
$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
clean:
@ find . -type f -name '*.o' -delete
@ echo "Object files removed"
distclean: clean
@ find $(BINDIR) -name $(PROG_NAME) -delete
@ echo "Removed "$(BINDIR)"/"$(PROG_NAME)
run:
sudo $(BINDIR)/$(PROG_NAME)
install:
@ install -d -m 755 $(PATH_INSTALL)
@ install --strip $(BINDIR)/$(PROG_NAME) $(PATH_INSTALL); \
echo "Binary instaled in "$(PATH_INSTALL)"/"$(PROG_NAME)
@ install -d -m 755 $(PATH_DOC_INSTALL)
@ install -g 0 -o 0 -m 0644 $(DOCDIR)/$(PROG_NAME).8 $(PATH_DOC_INSTALL); \
gzip -9 -f $(PATH_DOC_INSTALL)/$(PROG_NAME).8 ; \
echo "Man page instaled in "$(PATH_DOC_INSTALL)/$(PROG_NAME)".8.gz"
uninstall:
@ find $(PATH_DOC_INSTALL) $(PATH_INSTALL) -type f -name "$(PROG_NAME)*" \
-delete -exec echo "Removed "{} \;
format:
@ echo "Formating code"
@ clang-format -i $(SRCDIR)/*.[ch]
@ clang-format -i $(SRCDIR)/*/*.[ch]
@ clang-format -i tests/*.[ch]
man:
txt2man -t $(PROG_NAME) -v "$(PROG_NAME) man" -s 8 \
$(DOCDIR)/$(PROG_NAME).8.txt > $(DOCDIR)/$(PROG_NAME).8
VERSION = $(shell ./get_version.sh)
tarball:
git archive -o "netproc-$(VERSION).tar.gz" $(VERSION)