# This is completely unsupported.
+#
+# Uasge: make -f scripts/Makefile.IMA
+#
# Fix COMBINED_COMPILE upstream (in the Kbuild) and propagate
# the changes back
srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR))
default: busybox
+include .config
+
+# Cross compiling and selecting different set of gcc/bin-utils
+ifeq ($(CROSS_COMPILE),)
+CROSS_COMPILE := $(subst ",,$(CONFIG_CROSS_COMPILER_PREFIX))
+endif
+
+ifneq ($(CROSS_COMPILE),)
+SUBARCH := $(shell echo $(CROSS_COMPILE) | cut -d- -f1)
+else
+SUBARCH := $(shell uname -m)
+endif
+SUBARCH := $(shell echo $(SUBARCH) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
+ -e s/arm.*/arm/ -e s/sa110/arm/ \
+ -e s/s390x/s390/ -e s/parisc64/parisc/ \
+ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ )
+ARCH ?= $(SUBARCH)
+
ifndef HOSTCC
HOSTCC = cc
endif
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
-CFLAGS := $(CFLAGS)
-CPPFLAGS+= -D"KBUILD_STR(s)=\#s" #-Q
-WHOLE_PROGRAM:=$(call cc-option,-fwhole-program,)
+CFLAGS := $(CFLAGS)
+CPPFLAGS += -D"KBUILD_STR(s)=\#s" #-Q
-include .config
# We need some generic definitions
include $(srctree)/scripts/Kbuild.include
include Makefile.flags
+
+-include $(srctree)/arch/$(ARCH)/Makefile
ifdef CONFIG_FEATURE_COMPRESS_USAGE
usage_stuff = include/usage_compressed.h
endif
BB_VER:=""
endif
+WHOLE_PROGRAM:=$(call cc-option,-fwhole-program,)
# pull in the config stuff
lib-all-y := applets/applets.o
lib-all-y += $(patsubst %,libbb/%,$(sort $(lib-y)))
lib-y:=
-busybox: $(usage_stuff) include/applet_tables.h
+comma:=,
+busybox_unstripped.o: $(usage_stuff) include/applet_tables.h include/autoconf.h
$(CC) $(CPPFLAGS) $(CFLAGS) $(EXTRA_CFLAGS) \
+ $(patsubst %,-Wl$(comma)%,$(LDFLAGS) $(EXTRA_LDFLAGS)) \
-DGCC_COMBINE=1 \
--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
+ -c -o busybox_unstripped.o \
+ $(lib-all-y:.o=.c)
+
+busybox: busybox_unstripped.o
+ $(srctree)/scripts/trylink \
+ busybox_unstripped \
+ "$(CC) $(CFLAGS_busybox)" \
+ "$(CFLAGS)" \
+ "$(LDFLAGS)" \
+ "busybox_unstripped.o" \
+ "" \
+ "crypt m"
cp -f $(@)_unstripped $@
-$(STRIP) -s -R .note -R .comment -R .version $@
-applets/usage:
+# If .config is newer than include/autoconf.h, someone tinkered
+# with it and forgot to run make oldconfig.
+include/autoconf.h: .config
+ $(MAKE) -f $(srctree)/Makefile silentoldconfig
+
+applets/usage: include/autoconf.h
$(HOSTCC) -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -I$(srctree)/include -o applets/usage applets/usage.c
-applets/applet_tables:
+applets/applet_tables: include/autoconf.h
$(HOSTCC) -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -I$(srctree)/include -o applets/applet_tables applets/applet_tables.c
include/usage_compressed.h: $(srctree)/include/usage.h applets/usage