asm/disasm: Add sparse support, Add quiet build, Add auto-dependencies

[b43-tools.git] / disassembler / Makefile

diff --git a/disassembler/Makefile b/disassembler/Makefile
index 2e4b4a269893c030dad3b1aa5f7888fdc8c6dd97..41b3ad99e93810c9dbf1749c802dfeb366a501ea 100644 (file)
--- a/disassembler/Makefile
+++ b/disassembler/Makefile
@@ -1,31 +1,58 @@
-CC             ?= gcc
+# The toolchain definitions
+CC             = gcc
+SPARSE         = sparse
+
+V              = @             # Verbose build:  make V=1
+C              = 0             # Sparsechecker build:  make C=1
+Q              = $(V:1=)
+QUIET_CC       = $(Q:@=@echo '     CC       '$@;)$(CC)
+QUIET_DEPEND   = $(Q:@=@echo '     DEPEND   '$@;)$(CC)
+ifeq ($(C),1)
+QUIET_SPARSE   = $(Q:@=@echo '     SPARSE   '$@;)$(SPARSE)
+else
+QUIET_SPARSE   = @/bin/true
+endif
 
 PREFIX         ?= /usr/local
-
 CFLAGS         ?= -O2 -fomit-frame-pointer
 CFLAGS         += -std=gnu99 -Wall -D_BSD_SOURCE -D_GNU_SOURCE
+SPARSEFLAGS    = $(CFLAGS)
 LDFLAGS                ?=
 
 BIN = b43-dasm
-OBJECTS = main.o util.o args.o
+SRCS = main.c util.c args.c
 
-all: $(BIN)
+.SUFFIXES:
+.PHONY: all install clean distclean
+.DEFAULT_GOAL := all
+
+DEPS = $(sort $(patsubst %.c,dep/%.d,$(1)))
+OBJS = $(sort $(patsubst %.c,obj/%.o,$(1)))
 
-main.o: main.h util.h list.h args.h
+# Generate dependencies
+$(call DEPS,$(SRCS)): dep/%.d: %.c 
+       @mkdir -p $(dir $@)
+       $(QUIET_DEPEND) -o $@.tmp -MM -MG -MT "$@ $(patsubst dep/%.d,obj/%.o,$@)" $(CFLAGS) $< && mv -f $@.tmp $@
 
-util.o: util.h
+-include $(call DEPS,$(SRCS))
 
-args.o: args.h main.h util.h
+# Generate object files
+$(call OBJS,$(SRCS)): obj/%.o:
+       @mkdir -p $(dir $@)
+       $(QUIET_SPARSE) $(SPARSEFLAGS) $<
+       $(QUIET_CC) -o $@ -c $(CFLAGS) $<
+
+all: $(BIN)
 
-$(BIN): $(OBJECTS)
-       $(CC) $(CFLAGS) -o $(BIN) $(OBJECTS) $(LDFLAGS)
+$(BIN): $(call OBJS,$(SRCS))
+       $(QUIET_CC) $(CFLAGS) -o $(BIN) $(call OBJS,$(SRCS)) $(LDFLAGS)
 
 install: all
        install -o 0 -g 0 -m 755 $(BIN) $(PREFIX)/bin/
        install -o 0 -g 0 -m 755 b43-ivaldump $(PREFIX)/bin/
 
 clean:
-       -rm -f *~ *.o *.orig *.rej
+       -rm -Rf obj dep *~ *.orig *.rej
 
 distclean: clean
        -rm -f $(BIN)