From 70696aa744e31cf2cd9ad90445adaa892c2ab82e Mon Sep 17 00:00:00 2001
From: Art Cancro <ajc@citadel.org>
Date: Mon, 10 Jul 2023 12:45:45 -0900
Subject: [PATCH] citadel/Makefile: parallelizable build with wildcards

---
 citadel/Makefile | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/citadel/Makefile b/citadel/Makefile
index e9226bdd5..9f260add0 100644
--- a/citadel/Makefile
+++ b/citadel/Makefile
@@ -13,12 +13,23 @@ include config.mk
 all := citserver setup ctdlmigrate sendcommand citmail chkpw chkpwd
 all: $(all)
 
-citserver: server/*.c server/modules/*/*.c config.mk server/*.h
+SRCDIRS := $(wildcard server server/modules/*)
+SOURCES := $(wildcard server/*.c server/modules/*/*.c)
+OBJECTS := $(patsubst %.c,%.o,$(SOURCES))
+
+citserver: $(OBJECTS)
 	cc ${CFLAGS} \
-		server/*.c server/modules/*/*.c \
-		${LDFLAGS} -lresolv -lcitadel -lpthread -lz -lical -lldap -lcrypt -lexpat -lcurl -ldb \
+		$(OBJECTS) \
+		${LDFLAGS} \
+		-lresolv -lcitadel -lpthread -lz -lical -lldap -lcrypt -lexpat -lcurl -ldb \
 		-o citserver
 
+$(SOURCES): server/*.h server/modules/*/*.h
+	touch $@
+
+%.o: %.c
+	cc ${CFLAGS} -c $< -o $@
+
 setup: utils/setup.c server/citadel_dirs.c utils/*.h server/*.h
 	cc ${CFLAGS} ${LDFLAGS} utils/setup.c -lcitadel -o setup
 
-- 
2.39.2