asm: Cleanup makefile.

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

diff --git a/assembler/Makefile b/assembler/Makefile
index 73733de7ec547ec1d0532dca63fd801b118c6c8f..9b6b5498b5e621d505058850f463a6ad1047a609 100644 (file)
--- a/assembler/Makefile
+++ b/assembler/Makefile
@@ -1,17 +1,20 @@
-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
+CC             = gcc
+LEX            = flex
+YACC           = bison
 
-BINARY = b43-asm.bin
-OBJECTS = parser.o scanner.o main.o initvals.o util.o args.o
+PREFIX         ?= /usr/local
+
+CFLAGS         ?= -O2 -fomit-frame-pointer -D_BSD_SOURCE -D_GNU_SOURCE
+CFLAGS         += -std=c99 -Wall -D_BSD_SOURCE -D_GNU_SOURCE
+LDFLAGS                += -lfl
+
+BIN            = b43-asm.bin
+OBJECTS                = parser.o scanner.o main.o initvals.o util.o args.o
 
 # YACC related CFLAGS
-CFLAGS += -DYYSTYPE="void *" -DYYERROR_VERBOSE -DYYDEBUG -Wno-unused
+CFLAGS         += -DYYSTYPE="void *" -DYYERROR_VERBOSE -DYYDEBUG -Wno-unused
 
-all: $(BINARY)
+all: $(BIN)
 
 scanner.c: scanner.l parser.c main.h
        $(LEX) -o scanner.c --header-file=scanner.h scanner.l
@@ -33,15 +36,18 @@ util.o: util.h
 
 args.o: args.h main.h util.h
 
-$(BINARY): $(OBJECTS)
-       $(CC) $(CFLAGS) -o $(BINARY) $(OBJECTS) $(LDFLAGS)
+$(BIN): $(OBJECTS)
+       $(CC) $(CFLAGS) -o $(BIN) $(OBJECTS) $(LDFLAGS)
 
 install: all
-       -install -o 0 -g 0 -m 755 $(BINARY) $(PREFIX)/bin/
+       -install -o 0 -g 0 -m 755 $(BIN) $(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
 
 clean:
-       -rm -f *~ *.o *.orig *.rej $(BINARY) scanner.c scanner.h parser.c parser.h
+       -rm -f *~ *.o *.orig *.rej scanner.c scanner.h parser.c parser.h
+
+distclean: clean
+       -rm -f $(BIN)