#=----------------------------------------------------------------------------=#
#   Makefile                                                                   #
#                                                                              #
#   Copyright © 2021 The Gem-graph Project                                     #
#                                                                              #
#   This file is part of gem-graph.                                            #
#                                                                              #
#   This program is free software: you can redistribute it and/or modify       #
#   it under the terms of the GNU Affero General Public License as             #
#   published by the Free Software Foundation, either version 3 of the         #
#   License, or (at your option) any later version.                            #
#                                                                              #
#   This program is distributed in the hope that it will be useful,            #
#   but WITHOUT ANY WARRANTY; without even the implied warranty of             #
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              #
#   GNU Affero General Public License for more details.                        #
#                                                                              #
#   You should have received a copy of the GNU Affero General Public License   #
#   along with this program.  If not, see <https://www.gnu.org/licenses/>.     #
#=----------------------------------------------------------------------------=#

CCOPTS=-pthread -fPIC -fwrapv -Wall -fno-strict-aliasing
CCFLAGS=-I /usr/include/python3.9
LDFLAGS=-lpython3.9 -lpthread -lm -lutil -ldl
BINDIR=bin
SRCDIR=src
DYNLIBS= $(BINDIR)/scheduler.so $(BINDIR)/server.so $(BINDIR)/localthread.so

.DEFAULT_GOAL:= all
.PHONY: all clean
.PRECIOUS: $(SRCDIR)/%.c

# ---- General recipes ------------------------------------------------------- #

$(BINDIR)/%.so:	$(SRCDIR)/%.c
	@echo "Building dynamic library $@"
	@$(CC) --shared $(CCOPTS) $(CCFLAGS) -o $@ $<

$(SRCDIR)/%.c: $(SRCDIR)/%.py
	@echo "Cythonizing $< to $@"
	@cython3 -3 $< -o $@

# ---- Main recipe ----------------------------------------------------------- #
$(BINDIR)/gem-graph-server:	$(SRCDIR)/main.c
	@echo "Building program to $@"
	@$(CC) $(CCOPTS) -no-pie $(CCFLAGS) -o $@ $< $(LDFLAGS)
	@echo "Success!"

$(SRCDIR)/main.c: $(SRCDIR)/main.py
	@echo "Cythonizing main file to $@"
	@cython3 -3 $< -o $@ --embed


# ---- Misc recipes ---------------------------------------------------------- #
clean:
	rm -rf $(SRCDIR)/*.c $(BINDIR)/*

all: $(DYNLIBS) $(BINDIR)/gem-graph-server