-CC = gcc
-LEX = flex
-YACC = bison
-PREFIX = /usr/local
-CFLAGS = -std=c99 -O2 -fomit-frame-pointer -Wall -D_BSD_SOURCE -D_GNU_SOURCE
-LDFLAGS = -lfl
+# The toolchain definitions
+CC = gcc
+LEX = flex
+YACC = bison
+SPARSE = sparse
-BINARY = b43-asm.bin
-OBJECTS = parser.o scanner.o main.o initvals.o util.o args.o
+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 -pipe
+CFLAGS += -std=gnu99 -D_GNU_SOURCE \
+ -Wall -Wextra -Wformat=2 -Wundef -Wno-unused-parameter \
+ -Wshadow -Wpointer-arith
+SPARSEFLAGS = $(CFLAGS) -D__transparent_union__=__unused__ -D_STRING_ARCH_unaligned=1 \
+ -D__builtin_stpcpy=stpcpy
+LDFLAGS += -lfl
+
+BIN = b43-asm.bin
+SRCS = parser.c scanner.c main.c initvals.c util.c args.c
# YACC related CFLAGS
-CFLAGS += -DYYSTYPE="void *" -DYYERROR_VERBOSE -DYYDEBUG -Wno-unused
+CFLAGS += -DYYSTYPE="void *" -DYYERROR_VERBOSE -DYYDEBUG=1 -DYYENABLE_NLS=0 -DYYLTYPE_IS_TRIVIAL=0 -Wno-unused
-all: $(BINARY)
+.SUFFIXES:
+.PHONY: all install clean distclean
+.DEFAULT_GOAL := all
-scanner.c: scanner.l parser.c main.h
- $(LEX) -o scanner.c --header-file=scanner.h scanner.l
+DEPS = $(sort $(patsubst %.c,dep/%.d,$(1)))
+OBJS = $(sort $(patsubst %.c,obj/%.o,$(1)))
-scanner.o: scanner.c
- $(CC) $(CFLAGS) -c -o scanner.o scanner.c
+# Generate dependencies
+$(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 $@
-parser.c: parser.y main.h util.h
- $(YACC) --defines -o parser.c parser.y
+-include $(call DEPS,$(SRCS))
-parser.o: parser.c
- $(CC) $(CFLAGS) -c -o parser.o parser.c
+# Generate object files
+$(call OBJS,$(SRCS)): obj/%.o:
+ @mkdir -p $(dir $@)
+ $(QUIET_SPARSE) $(SPARSEFLAGS) $<
+ $(QUIET_CC) -o $@ -c $(CFLAGS) $<
+
+all: $(BIN)
-main.o: parser.c main.h list.h util.h args.h initvals.h
+scanner.c: scanner.l parser.h main.h util.h
+ $(QUIET_LEX) -o scanner.c --header-file=scanner.h scanner.l
-initvals.o: initvals.h main.h list.h util.h args.h
+scanner.h: scanner.c
-util.o: util.h
+scanner.o: scanner.c
+ $(QUIET_CC) $(CFLAGS) -c -o scanner.o scanner.c
+
+parser.c: parser.y main.h util.h
+ $(QUIET_YACC) --defines -o parser.c parser.y
-args.o: args.h main.h util.h
+parser.h: parser.c
-$(BINARY): $(OBJECTS)
- $(CC) $(CFLAGS) -o $(BINARY) $(OBJECTS) $(LDFLAGS)
+parser.o: parser.c
+ $(QUIET_CC) $(CFLAGS) -c -o parser.o parser.c
+
+$(BIN): $(call OBJS,$(SRCS))
+ $(QUIET_CC) $(CFLAGS) -o $(BIN) $(call OBJS,$(SRCS)) $(LDFLAGS)
install: all
- -install -o 0 -g 0 -m 755 $(BINARY) $(PREFIX)/bin/
- -cp b43-asm b43-asm.inst
- -sed -i -e 's/installed=0/installed=1/' b43-asm.inst
- -install -o 0 -g 0 -m 755 b43-asm.inst $(PREFIX)/bin/b43-asm
- -rm -f b43-asm.inst
+ install -m 755 $(BIN) $(PREFIX)/bin/
+ cp b43-asm b43-asm.inst
+ sed -i -e 's/installed=0/installed=1/' b43-asm.inst
+ install -m 755 b43-asm.inst $(PREFIX)/bin/b43-asm
+ rm -f b43-asm.inst
clean:
- -rm -f *~ *.o *.orig *.rej $(BINARY) 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)