Makefile

# -----------------------------------------------------------------------------
# Makefile for carbon-c-relay
#
# Author: Jose Riguera <jriguera@gmail.com> based on the work of Fabian Groffen
# Date  : 2014-10-12
#
# -----------------------------------------------------------------------------
# creation of initial debian folder:
# dh_make --native -c apache -s -p carbon-c-relay_0.35

CC       = gcc
LINKER   = gcc -o
RM       = rm -f
MD       = mkdir -p
GIT      = git
INSTALL  = install
DEBUILD  = debuild
DEBCLEAN = debclean
RPMBUILD = rpmbuild

# project name (generate executable with this name)
DISTDIR          = .
DESTDIR		 = /usr/local/etc/carbon
PREFIX           = /usr/local
TARGET           = carbon-c-relay
GIT_VERSION     := $(shell git describe --abbrev=6 --dirty --always || date +%F)
GVCFLAGS        += -DGIT_VERSION=\"$(GIT_VERSION)\" -DVERSION=\"3.0\"

# change these to set the proper directories where each files shoould be
SRCDIR   = src
OBJDIR   = obj
BINDIR   = sbin

# compiling flags here
CFLAGS          ?= -O3 -Wall -Werror -Wshadow -pipe
override CFLAGS += $(GVCFLAGS) `pkg-config openssl --cflags` -pthread

# linking flags here
override LIBS   += `pkg-config openssl --libs` -pthread
ifeq ($(shell uname), SunOS)
override LIBS   += -lsocket  -lnsl
endif
LFLAGS           = -O3 -Wall -Werror -Wshadow -pipe -lm $(LIBS)

SOURCES  := $(wildcard $(SRCDIR)/*.c)
INCLUDES := $(wildcard $(SRCDIR)/*.h)
OBJECTS  := $(SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o)

all: folders $(BINDIR)/$(TARGET)

$(BINDIR)/$(TARGET): $(OBJECTS)
	$(LINKER) $@ $(OBJECTS) $(LFLAGS)
	@echo "Linking complete. Binary file created!"

$(OBJECTS): $(OBJDIR)/%.o : $(SRCDIR)/%.c
	$(CC) $(CFLAGS) -c $< -o $@
	@echo "Compiled "$<" successfully!"

.PHONY: folders
folders:
	@$(MD) $(BINDIR) 
	@$(MD) $(OBJDIR)

.PHONY: install
install: $(BINDIR)/$(TARGET)
	$(INSTALL) -m 0755 $< $(PREFIX)/$(BINDIR)/$(TARGET)
	$(INSTALL) -d $(DESTDIR)
	$(INSTALL) -m 0644 config/* $(DESTDIR) 

.PHONY: uninstall
uninstall:
	$(RM) $(PREFIX)/$(BINDIR)/$(TARGET)
	$(RM) -rf $(DESTDIR)/etc/$(TARGET) 


VERSION = $(shell sed -n '/VERSION/s/^.*"\([0-9.]\+\)".*$$/\1/p' $(SRCDIR)/relay.h)
.PHONY: dist
dist:
	@$(GIT) archive \
		--format=tar \
		--prefix=$(TARGET)-$(VERSION)/ HEAD \
		| gzip > $(DISTDIR)/$(TARGET)-$(VERSION).tar.gz
	@echo "Created $(DISTDIR)/$(TARGET)-$(VERSION).tar.gz successfully!"

# Centos/RH packages
.PHONY: rpmbuild
rpmbuild:
	$(RPMBUILD) --define "_topdir ${PWD}/rpm"   -ba rpm/SPECS/$(TARGET).spec

# check if the local environment is suitable to generate a package
# we check environment variables and a gpg private key matching
# these variables. this is necessary as we sign our packages.
.PHONY: checkenv
checkenv:
ifndef DEBEMAIL
	echo "Missing environment variable DEBEMAIL"
	@exit 1
endif
ifndef DEBFULLNAME
	echo "Missing environment variable DEBFULLNAME"
	@exit 1
endif
	#gpg --list-secret-keys "$(DEBFULLNAME) <$(DEBEMAIL)>" >/dev/null

# creates the .deb package and other related files
# all files are placed in ../
.PHONY: debuild
debuild: checkenv
	# dpkg-buildpackage + lintian
	# -sa    Forces the inclusion of the original source.
	# -us    Do not sign the source package.
	# -uc    Do not sign the .changes file.
	$(DEBUILD) -us -uc -sa -b -rfakeroot -i -I.git -I.gitignore -I$(BINDIR) -I$(OBJDIR) -I$(TARGET)-$(VERSION).tar.gz

# create a new release based on PW_VERSION variable
.PHONY: newrelease
newrelease:
	debchange --changelog debian/changelog --urgency high --newversion $(VERSION)-1 "Releasing $(TARGET) $(VERSION)"
	sed -i '/%define.*version/s/^%define.* \([0-9.]\+\).*$$/%define version $(VERSION)/g' rpm/SPECS/carbon-c-relay.spec

# creates a new version in debian/changelog (only for debian)
.PHONY: newversion
newversion:
	debchange --changelog debian/changelog -i --urgency high

# allow user to enter one or more changelog comment manually
.PHONY: changelog
changelog:
	debchange --changelog debian/changelog --force-distribution dist --urgency high -r
	debchange --changelog debian/changelog -a 

.PHONY: clean
clean:
	@$(RM) $(OBJECTS)
	@$(RM) -r rpm/SOURCES rpm/BUILD rpm/BUILDROOT
	@echo "Cleanup complete!"

.PHONY: dist-clean
distclean: clean
	@$(RM) -r $(BINDIR)
	@$(RM) -r $(OBJDIR)
	@$(RM) -r rpm/SOURCES rpm/BUILD rpm/BUILDROOT rpm/RPMS rpm/SRPMS
	@$(RM) $(TARGET).*$(VERSION).*
	@echo "Executable removed!"