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

[b43-tools.git] / assembler / Makefile

diff --git a/assembler/Makefile b/assembler/Makefile
index 8c41be7414a656c9003233a4c4cdfcd912cbfebd..c10acf510cabe94ba04dd70dc6182c125af6e537 100644 (file)
--- a/assembler/Makefile
+++ b/assembler/Makefile
@@ -1,43 +1,70 @@
+# The toolchain definitions
 CC             = gcc
 LEX            = flex
 YACC           = bison
+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)
+QUIET_LEX      = $(Q:@=@echo '     LEX      '$@;)$(LEX)
+QUIET_YACC     = $(Q:@=@echo '     YACC     '$@;)$(YACC)
+ifeq ($(C),1)
+QUIET_SPARSE   = $(Q:@=@echo '     SPARSE   '$@;)$(SPARSE)
+else
+QUIET_SPARSE   = @/bin/true
+endif
 
 PREFIX         ?= /usr/local
-
 CFLAGS         ?= -O2 -fomit-frame-pointer -D_BSD_SOURCE -D_GNU_SOURCE
 CFLAGS         += -std=c99 -Wall -D_BSD_SOURCE -D_GNU_SOURCE
+SPARSEFLAGS    = $(CFLAGS)
 LDFLAGS                += -lfl
 
 BIN            = b43-asm.bin
-OBJECTS                = parser.o scanner.o main.o initvals.o util.o args.o
+SRCS           = parser.c scanner.c main.c initvals.c util.c args.c
 
 # YACC related CFLAGS
 CFLAGS         += -DYYSTYPE="void *" -DYYERROR_VERBOSE -DYYDEBUG -Wno-unused
 
+.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)
 
 scanner.c: scanner.l parser.c main.h
-       $(LEX) -o scanner.c --header-file=scanner.h scanner.l
+       $(QUIET_LEX) -o scanner.c --header-file=scanner.h scanner.l
 
 scanner.o: scanner.c
-       $(CC) $(CFLAGS) -c -o scanner.o scanner.c
+       $(QUIET_CC) $(CFLAGS) -c -o scanner.o scanner.c
 
 parser.c: parser.y main.h util.h
-       $(YACC) --defines -o parser.c parser.y
+       $(QUIET_YACC) --defines -o parser.c parser.y
 
 parser.o: parser.c
-       $(CC) $(CFLAGS) -c -o parser.o parser.c
-
-main.o: parser.c main.h list.h util.h args.h initvals.h
-
-initvals.o: initvals.h main.h list.h util.h args.h
-
-util.o: util.h
-
-args.o: args.h main.h util.h
+       $(QUIET_CC) $(CFLAGS) -c -o parser.o parser.c
 
-$(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/
@@ -47,7 +74,7 @@ install: all
        rm -f b43-asm.inst
 
 clean:
-       -rm -f *~ *.o *.orig *.rej scanner.c scanner.h parser.c parser.h
+       -rm -Rf dep obj *~ *.orig *.rej scanner.c scanner.h parser.c parser.h
 
 distclean: clean
        -rm -f $(BIN)