From 4486026d23b9ec2455191046ccb6a5ae8236e02d Mon Sep 17 00:00:00 2001
From: Adrien Bourmault <neox@os-k.eu>
Date: Sat, 10 Apr 2021 23:02:40 +0200
Subject: [PATCH] Improved intermediate *.c generation

---
 src/Makefile | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/src/Makefile b/src/Makefile
index 367bb8b..7be3922 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -19,8 +19,9 @@
 #   along with this program.  If not, see <https://www.gnu.org/licenses/>.     #
 #=----------------------------------------------------------------------------=#
 
-.PHONY: all clean
-.DEFAULT_GOAL: all
+.DEFAULT_GOAL:= all
+.PHONY: all dynlibs clean
+.PRECIOUS: %.c
 
 CCOPTS=-pthread -fPIC -fwrapv -Wall -fno-strict-aliasing
 CCFLAGS=-I /usr/include/python3.9
@@ -35,23 +36,25 @@ $(BINDIR)/%.so:	%.c
 	@echo "Building dynamic library $@"
 	@$(CC) --shared $(CCOPTS) $(CCFLAGS) -o $@ $<
 
-%.c:	%.py
+%.c: %.py
 	@echo "Cythonizing $< to $@"
-	@cython3 $< -o $@
+	@cython3 -3 $< -o $@
+
+dynlibs: $(DYNLIBS)
 
 # ---- Main recipe ----------------------------------------------------------- #
-$(BINDIR)/gem-graph-server:	main.c $(DYNLIBS)
+$(BINDIR)/gem-graph-server:	main.c
 	@echo "Building program to $@"
 	@$(CC) $(CCOPTS) -no-pie $(CCFLAGS) -o $@ $< $(LDFLAGS)
 	@echo "Success!"
 
 main.c: main.py
 	@echo "Cythonizing main file to $@"
-	@cython3 $< -o $@ --embed
+	@cython3 -3 $< -o $@ --embed
 
 
 # ---- Misc recipes ---------------------------------------------------------- #
 clean:
 	rm -rf *.c ../bin/*
 
-all: $(BINDIR)/gem-graph-server
+all: dynlibs $(BINDIR)/gem-graph-server