add simplest barrier management

schlagbaum/Makefile

@@ -0,0 +1,79 @@
+# run `make DEF=...` to add extra defines
+CLIENT := sslclient
+SERVER := sslserver
+LDFLAGS += -fdata-sections -ffunction-sections -Wl,--gc-sections -Wl,--discard-all
+LDFLAGS += -lusefull_macros -lssl -lcrypto
+DEFINES := $(DEF) -D_GNU_SOURCE -D_XOPEN_SOURCE=1111
+SOBJDIR := mkserver
+COBJDIR := mkclient
+CFLAGS += -O2 -Wall -Wextra -Wno-trampolines -pthread
+COMMSRCS := sslsock.c daemon.c cmdlnopts.c main.c
+SSRC := server.c $(COMMSRCS)
+CSRC := client.c $(COMMSRCS)
+SOBJS := $(addprefix $(SOBJDIR)/, $(SSRC:%.c=%.o))
+COBJS := $(addprefix $(COBJDIR)/, $(CSRC:%.c=%.o))
+SDEPS := $(SOBJS:.o=.d)
+CDEPS := $(COBJS:.o=.d)
+CC = gcc
+
+TARGFILE := build.target
+
+ifeq ($(shell test -e $(TARGFILE) && echo -n yes),yes)
+	TARGET := $(file < $(TARGFILE))
+else
+	TARGET := RELEASE
+endif
+
+ifeq ($(TARGET), DEBUG)
+	.DEFAULT_GOAL := debug
+endif
+
+release: CFLAGS += -flto
+release: LDFLAGS += -flto
+release: $(TARGFILE) $(CLIENT) $(SERVER)
+
+debug: CFLAGS += -DEBUG -Werror
+debug: TARGET := DEBUG
+debug: $(TARGFILE) $(CLIENT) $(SERVER)
+
+$(TARGFILE): 
+	@echo -e "\tTARGET: $(TARGET)\n"
+	@echo "$(TARGET)" > $(TARGFILE)
+
+$(CLIENT) : DEFINES += -DCLIENT
+$(CLIENT) : $(COBJDIR) $(COBJS)
+	@echo -e "\tLD $(CLIENT)"
+	$(CC) $(LDFLAGS) $(COBJS) -o $(CLIENT)
+
+
+$(SERVER) : DEFINES += -DSERVER
+$(SERVER) : $(SOBJDIR) $(SOBJS)
+	@echo -e "\tLD $(SERVER)"
+	$(CC) $(LDFLAGS) $(SOBJS) -o $(SERVER)
+
+$(SOBJDIR):
+	@mkdir $(SOBJDIR)
+
+$(COBJDIR):
+	@mkdir $(COBJDIR)
+
+ifneq ($(MAKECMDGOALS),clean)
+-include $(DEPS)
+endif
+
+$(COBJDIR)/%.o: %.c
+	@echo -e "\tCC $<"
+	$(CC) -MD -c $(LDFLAGS) $(CFLAGS) $(DEFINES) -o $@ $<
+
+$(SOBJDIR)/%.o: %.c
+	@echo -e "\t\tCC $<"
+	$(CC) -MD -c $(LDFLAGS) $(CFLAGS) $(DEFINES) -o $@ $<
+
+clean:
+	@echo -e "\t\tCLEAN"
+	@rm -rf $(SOBJDIR) $(COBJDIR) $(TARGFILE) 2>/dev/null || true
+
+xclean: clean
+	@rm -f $(PROGRAM)
+
+.PHONY: clean xclean