diff options
Diffstat (limited to 'Makefile')
-rw-r--r-- | Makefile | 40 |
1 files changed, 36 insertions, 4 deletions
@@ -1,5 +1,37 @@ -all: - $(CC) -Wall -Os -s $(CFLAGS) -I . main.c toys/*.c lib/*.c -o toybox +# Makefile for toybox. +# Copyright 2006 Rob Landley <rob@landley.net> -clean: - rm toybox +CFLAGS = -Wall -Os -s +CC = $(CROSS_COMPILE)gcc $(CFLAGS) +HOST_CC = gcc $(CFLAGS) + +all: toybox + +.PHONY: clean + +include kconfig/Makefile + +# The long and roundabout sed is to make old versions of sed happy. New ones +# have '\n' so can replace one line with two without all the branches and +# mucking about with hold space. +gen_config.h: .config + sed -n -e 's/^# CONFIG_\(.*\) is not set.*/\1/' \ + -e 't notset' -e 'b tryisset' -e ':notset' \ + -e 'h' -e 's/.*/#define CFG_& 0/p' \ + -e 'g' -e 's/.*/#define USE_&(...)/p' -e 'd' -e ':tryisset' \ + -e 's/^CONFIG_\(.*\)=y.*/\1/' -e 't isset' -e 'd' -e ':isset' \ + -e 'h' -e 's/.*/#define CFG_& 1/p' \ + -e 'g' -e 's/.*/#define USE_&(...) __VA_ARGS__/p' $< > $@ + +# Actual build + +toyfiles = main.c toys/*.c lib/*.c +toybox: gen_config.h $(toyfiles) + $(CC) -Wall -Os -s -funsigned-char $(CFLAGS) -I . \ + $(toyfiles) -o toybox + +clean:: + rm -f toybox gen_config.h + +distclean: clean + rm -f .config |