source: drbl_ui/backup/test_busybox/busybox-1.7.2/scripts/Makefile.IMA @ 59

# This is completely unsupported.
# Fix COMBINED_COMPILE upstream (in the Kbuild) and propagate
# the changes back
srctree   := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR))
objtree   := $(CURDIR)
src   := $(srctree)
obj   := $(objtree)

default: busybox
include .config
ifdef CONFIG_FEATURE_COMPRESS_USAGE
usage_stuff = include/usage_compressed.h
endif

# pull in the config stuff
lib-all-y := applets/applets.o
lib-y:=
include procps/Kbuild
lib-all-y += $(patsubst %,procps/%,$(sort $(lib-y)))
lib-y:=
include networking/Kbuild
lib-all-y += $(patsubst %,networking/%,$(sort $(lib-y)))
lib-y:=
include networking/udhcp/Kbuild
lib-all-y += $(patsubst %,networking/udhcp/%,$(sort $(lib-y)))
lib-y:=
include networking/libiproute/Kbuild
lib-all-y += $(patsubst %,networking/libiproute/%,$(sort $(lib-y)))
lib-y:=
include loginutils/Kbuild
lib-all-y += $(patsubst %,loginutils/%,$(sort $(lib-y)))
lib-y:=
include archival/Kbuild
lib-all-y += $(patsubst %,archival/%,$(sort $(lib-y)))
lib-y:=
include archival/libunarchive/Kbuild
lib-all-y += $(patsubst %,archival/libunarchive/%,$(sort $(lib-y)))
lib-y:=
include applets/Kbuild
lib-all-y += $(patsubst %,applets/%,$(sort $(lib-y)))
lib-y:=
include e2fsprogs/Kbuild
lib-all-y += $(patsubst %,e2fsprogs/%,$(sort $(lib-y)))
lib-y:=
#include e2fsprogs/old_e2fsprogs/Kbuild
#lib-all-y += $(patsubst %,e2fsprogs/old_e2fsprogs/%,$(sort $(lib-y)))
#lib-y:=
#include e2fsprogs/old_e2fsprogs/ext2fs/Kbuild
#lib-all-y += $(patsubst %,e2fsprogs/old_e2fsprogs/ext2fs/%,$(sort $(lib-y)))
#lib-y:=
#include e2fsprogs/old_e2fsprogs/blkid/Kbuild
#lib-all-y += $(patsubst %,e2fsprogs/old_e2fsprogs/blkid/%,$(sort $(lib-y)))
#lib-y:=
#include e2fsprogs/old_e2fsprogs/uuid/Kbuild
#lib-all-y += $(patsubst %,e2fsprogs/old_e2fsprogs/uuid/%,$(sort $(lib-y)))
#lib-y:=
#include e2fsprogs/old_e2fsprogs/e2p/Kbuild
#lib-all-y += $(patsubst %,e2fsprogs/old_e2fsprogs/e2p/%,$(sort $(lib-y)))
#lib-y:=
include debianutils/Kbuild
lib-all-y += $(patsubst %,debianutils/%,$(sort $(lib-y)))
lib-y:=
include runit/Kbuild
lib-all-y += $(patsubst %,runit/%,$(sort $(lib-y)))
lib-y:=
include modutils/Kbuild
lib-all-y += $(patsubst %,modutils/%,$(sort $(lib-y)))
lib-y:=
include miscutils/Kbuild
lib-all-y += $(patsubst %,miscutils/%,$(sort $(lib-y)))
lib-y:=
include coreutils/libcoreutils/Kbuild
lib-all-y += $(patsubst %,coreutils/libcoreutils/%,$(sort $(lib-y)))
lib-y:=
include coreutils/Kbuild
lib-all-y += $(patsubst %,coreutils/%,$(sort $(lib-y)))
lib-y:=
include sysklogd/Kbuild
lib-all-y += $(patsubst %,sysklogd/%,$(sort $(lib-y)))
lib-y:=
include shell/Kbuild
lib-all-y += $(patsubst %,shell/%,$(sort $(lib-y)))
lib-y:=
include console-tools/Kbuild
lib-all-y += $(patsubst %,console-tools/%,$(sort $(lib-y)))
lib-y:=
include findutils/Kbuild
lib-all-y += $(patsubst %,findutils/%,$(sort $(lib-y)))
lib-y:=
include util-linux/Kbuild
lib-all-y += $(patsubst %,util-linux/%,$(sort $(lib-y)))
lib-y:=
include init/Kbuild
lib-all-y += $(patsubst %,init/%,$(sort $(lib-y)))
lib-y:=
include libpwdgrp/Kbuild
lib-all-y += $(patsubst %,libpwdgrp/%,$(sort $(lib-y)))
lib-y:=
include editors/Kbuild
lib-all-y += $(patsubst %,editors/%,$(sort $(lib-y)))
lib-y:=
include selinux/Kbuild
lib-all-y += $(patsubst %,selinux/%,$(sort $(lib-y)))
lib-y:=
include scripts/Kbuild
lib-all-y += $(patsubst %,scripts/%,$(sort $(lib-y)))
lib-y:=
include libbb/Kbuild
lib-all-y += $(patsubst %,libbb/%,$(sort $(lib-y)))
lib-y:=

include Makefile.flags
ifndef BB_VER
BB_VER:=""
endif

CPPFLAGS+= -D"KBUILD_STR(s)=\#s" #-Q

HOSTCC = gcc
AS              = $(CROSS_COMPILE)as
CC              = $(CROSS_COMPILE)gcc
LD              = $(CC) -nostdlib
CPP             = $(CC) -E
AR              = $(CROSS_COMPILE)ar
NM              = $(CROSS_COMPILE)nm
STRIP           = $(CROSS_COMPILE)strip
OBJCOPY         = $(CROSS_COMPILE)objcopy
OBJDUMP         = $(CROSS_COMPILE)objdump

WHOLE_PROGRAM:=$(call cc-option,-fwhole-program,)
busybox: $(usage_stuff)
  $(CC) $(CPPFLAGS) $(CFLAGS) $(EXTRA_CFLAGS) --combine $(WHOLE_PROGRAM) \
    -funit-at-a-time -Wno-error -std=gnu99  \
    -o $(@)_unstripped $(lib-all-y:.o=.c) \
    -Wl,--start-group -lcrypt -lm -Wl,--end-group
  cp -f $(@)_unstripped $@
  -$(STRIP) -s -R .note -R .comment -R .version $@

applets/usage:
  $(HOSTCC) -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer      -I$(srctree)/include -o applets/usage applets/usage.c
include/usage_compressed.h: $(srctree)/include/usage.h applets/usage
  $(srctree)/applets/usage_compressed include/usage_compressed.h applets