From: Michael Buesch <mb@bu3sch.de>
Date: Thu, 26 Nov 2009 14:28:21 +0000 (+0100)
Subject: ssb_sprom: Add sparse support, Add quiet build, Add autodependencies
X-Git-Tag: b43-fwcutter-013~5
X-Git-Url: https://jxself.org/git/?p=b43-tools.git;a=commitdiff_plain;h=883671d1a412bb7fb9d2b112f63a3fe10d02e726

ssb_sprom: Add sparse support, Add quiet build, Add autodependencies

Signed-off-by: Michael Buesch <mb@bu3sch.de>
---

diff --git a/ssb_sprom/Makefile b/ssb_sprom/Makefile
index eb0eac0..01efc0e 100644
--- a/ssb_sprom/Makefile
+++ b/ssb_sprom/Makefile
@@ -1,22 +1,55 @@
-CC = cc
-PREFIX = /usr/local
-CFLAGS = -std=c99 -O2 -fomit-frame-pointer -Wall -D_BSD_SOURCE
-LDFLAGS =
+# The toolchain definitions
+CC		= cc
+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
 
-OBJECTS = ssb_sprom.o utils.o
+PREFIX		?= /usr/local
+CFLAGS		+= -std=c99 -O2 -fomit-frame-pointer -Wall -D_BSD_SOURCE
+LDFLAGS		?=
 
-all: ssb_sprom
+SRCS		= ssb_sprom.c utils.c
+BIN		= ssb_sprom
 
-ssb_sprom: $(OBJECTS)
-	$(CC) $(CFLAGS) -o ssb-sprom $(OBJECTS) $(LDFLAGS)
+.SUFFIXES:
+.PHONY: all install clean distclean
+.DEFAULT_GOAL := all
+
+DEPS = $(sort $(patsubst %.c,dep/%.d,$(1)))
+OBJS = $(sort $(patsubst %.c,obj/%.o,$(1)))
+
+# 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 $@
+
+-include $(call DEPS,$(SRCS))
+
+# Generate object files
+$(call OBJS,$(SRCS)): obj/%.o:
+	@mkdir -p $(dir $@)
+	$(QUIET_SPARSE) $(SPARSEFLAGS) $<
+	$(QUIET_CC) -o $@ -c $(CFLAGS) $<
+
+all: $(BIN)
+
+$(BIN): $(call OBJS,$(SRCS))
+	$(QUIET_CC) $(CFLAGS) -o $(BIN) $(call OBJS,$(SRCS)) $(LDFLAGS)
 
 install: all
-	-install -o 0 -g 0 -m 755 ssb-sprom $(PREFIX)/bin/
+	install -o 0 -g 0 -m 755 $(BIN) $(PREFIX)/bin/
 
 clean:
-	-rm -f *~ *.o *.orig *.rej ssb-sprom
+	-rm -Rf obj dep *~ *.orig *.rej
 
-# dependencies
-ssb_sprom.o: ssb_sprom.h utils.h
-utils.o: utils.h ssb_sprom.h
+distclean: clean
+	-rm -f $(BIN)