Server/Client build separation

Makefile

@@ -1,8 +1,18 @@
 # To launch with debug messages: G_MESSAGES_DEBUG=all ./librefront
 
-SRC     := $(shell find src -name '*.c')
-OBJ     := $(patsubst src/%.c, build/%.o, $(SRC))
-DEP     := $(OBJ:.o=.d)
+SRC_DIR := src
+
+COMMON_SRC     := $(shell find $(SRC_DIR)/common -name '*.c')
+SERVER_SRC     := $(shell find $(SRC_DIR)/server -name '*.c')
+CLIENT_SRC     := $(shell find $(SRC_DIR)/client -name '*.c')
+
+COMMON_OBJ     := $(patsubst $(SRC_DIR)/%.c, build/%.o, $(COMMON_SRC))
+SERVER_OBJ     := $(patsubst $(SRC_DIR)/%.c, build/%.o, $(SERVER_SRC))
+CLIENT_OBJ     := $(patsubst $(SRC_DIR)/%.c, build/%.o, $(CLIENT_SRC))
+
+COMMON_DEP     := $(COMMON_OBJ:.o=.d)
+SERVER_DEP     := $(SERVER_OBJ:.o=.d)
+CLIENT_DEP     := $(CLIENT_OBJ:.o=.d)
 
 CC      := gcc
 LD      := gcc
@@ -11,30 +21,51 @@ RM      := rm -f
 
 DEBUG   ?= 1
 
-CFLAGS  := -std=$(STD) -Werror -Wextra -Wall -MMD -MP `pkg-config --cflags sdl3 sdl3-image glib-2.0`
-LDFLAGS := -std=$(STD) -lm `pkg-config --libs sdl3 sdl3-image glib-2.0`
-
-TARGET  := librefront
+COMMON_CFLAGS  := -std=$(STD) -Werror -Wextra -Wall -MMD -MP -I$(SRC_DIR) `pkg-config --cflags glib-2.0`
+COMMON_LDFLAGS := -std=$(STD) -lm `pkg-config --libs glib-2.0`
 
 ifeq ($(DEBUG),1)
-	CFLAGS  += -g -DDEBUG
-	LDFLAGS += -g
+	COMMON_CFLAGS  += -g -DDEBUG
+	COMMON_LDFLAGS += -g
 else
-	CFLAGS  += -O2 -DNDEBUG
+	COMMON_CFLAGS  += -O2 -DNDEBUG
 endif
 
+
+CLIENT_CFLAGS := $(COMMON_CFLAGS) `pkg-config --cflags sdl3 sdl3-image`
+CLIENT_LDFLAGS := $(COMMON_LDFLAGS) `pkg-config --libs sdl3 sdl3-image`
+
+SERVER_CFLAGS := $(COMMON_CFLAGS)
+SERVER_LDFLAGS := $(COMMON_LDFLAGS)
+
+CLIENT := librefront
+SERVER := librefront-headless
+
 .PHONY: all clean
 
-all: $(TARGET)
+all: $(CLIENT) $(SERVER)
 
-$(TARGET): $(OBJ)
-	$(LD) $^ -o $@ $(LDFLAGS)
+$(CLIENT): $(COMMON_OBJ) $(CLIENT_OBJ)
+	$(LD) $^ -o $@ $(CLIENT_LDFLAGS)
 
-build/%.o: src/%.c
+$(SERVER): $(COMMON_OBJ) $(SERVER_OBJ)
+	$(LD) $^ -o $@ $(SERVER_LDFLAGS)
+
+build/common/%.o: $(SRC_DIR)/common/%.c
 	@mkdir -p $(dir $@)
-	$(CC) -c $< -o $@ $(CFLAGS)
+	$(CC) -c $< -o $@ $(COMMON_CFLAGS)
+
+build/client/%.o: $(SRC_DIR)/client/%.c
+	@mkdir -p $(dir $@)
+	$(CC) -c $< -o $@ $(CLIENT_CFLAGS)
+
+build/server/%.o: $(SRC_DIR)/server/%.c
+	@mkdir -p $(dir $@)
+	$(CC) -c $< -o $@ $(SERVER_CFLAGS)
 
 clean:
-	$(RM) -r build/ $(TARGET) $(OBJ) $(DEP) perf.data* massif.out*
+	$(RM) -r build/ $(CLIENT) $(SERVER) perf.data* massif.out*
 
--include $(DEP)
+-include $(COMMON_DEP)
+-include $(CLIENT_DEP)
+-include $(SERVER_DEP)