diff options
Diffstat (limited to 'Rules.mak')
| -rw-r--r-- | Rules.mak | 116 |
1 files changed, 46 insertions, 70 deletions
@@ -17,68 +17,25 @@ # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # +#-------------------------------------------------------- PROG := busybox VERSION := 0.61.pre BUILDTIME := $(shell TZ=UTC date -u "+%Y.%m.%d-%H:%M%z") -HOSTCC := gcc -HOSTCFLAGS:= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -# What OS are you compiling busybox for? This allows you to include -# OS specific things, syscall overrides, etc. -TARGET_OS:=linux - +#-------------------------------------------------------- # With a modern GNU make(1) (highly recommended, that's what all the # developers use), all of the following configuration values can be # overridden at the command line. For example: # make CROSS=powerpc-linux- BB_SRC_DIR=$HOME/busybox PREFIX=/mnt/app +#-------------------------------------------------------- -# If you want to add some simple compiler switches (like -march=i686), -# especially from the command line, use this instead of CFLAGS directly. -# For optimization overrides, it's better still to set OPTIMIZATION. -CFLAGS_EXTRA:=#-Werror - -# If you want a static binary, turn this on. -DOSTATIC:=false - -# Set the following to `true' to make a debuggable build. -# Leave this set to `false' for production use. -DODEBUG:=false - -# This enables compiling with dmalloc ( http://dmalloc.com/ ) -# which is an excellent public domain mem leak and malloc problem -# detector. To enable dmalloc, before running busybox you will -# want to first set up your environment. -# eg: `export DMALLOC_OPTIONS=debug=0x34f47d83,inter=100,log=logfile` -# The debug= value is generated using the following command -# dmalloc -p log-stats -p log-non-free -p log-bad-space -p log-elapsed-time \ -# -p check-fence -p check-heap -p check-lists -p check-blank \ -# -p check-funcs -p realloc-copy -p allow-free-null -# Do not enable this for production builds... -DODMALLOC:=false - -# Electric-fence is another very useful malloc debugging library. -# Do not enable this for production builds... -DOEFENCE:=false - -# If you want large file summit support, turn this on. -# This has no effect if you don't have a kernel with lfs -# support, and a system with libc-2.1.3 or later. -# Some of the programs that can benefit from lfs support -# are dd, gzip, mount, tar, and mkfs_minix. -# LFS allows you to use the above programs for files -# larger than 2GB! -DOLFS:=false - -# If you have a "pristine" source directory, point BB_SRC_DIR to it. -# Experimental and incomplete; tell the mailing list -# <busybox@busybox.net> if you do or don't like it so far. -BB_SRC_DIR:= - -# If you are running a cross compiler, you may want to set CROSS -# to something more interesting, like "arm-linux-". -CROSS:= -CC := $(CROSS)gcc +# If you are running a cross compiler, you will want to set 'CROSS' +# to something more interesting... Target architecture is determined +# by asking the CC compiler what arch it compiles things for, so unless +# your compiler is broken, you should not need to specify TARGET_ARCH +CROSS =$(subst ",, $(strip $(CROSS_COMPILER_PREFIX))) +CC = $(CROSS)gcc AR := $(CROSS)ar AS := $(CROSS)as LD := $(CROSS)ld @@ -86,12 +43,24 @@ NM := $(CROSS)nm STRIP := $(CROSS)strip CPP := $(CC) -E MAKEFILES := $(TOPDIR).config -export VERSION BUILDTIME TOPDIR HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP +# What OS are you compiling busybox for? This allows you to include +# OS specific things, syscall overrides, etc. +TARGET_OS:=linux + +# Select the compiler needed to build binaries for your development system +HOSTCC := gcc +HOSTCFLAGS:= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -# To compile vs uClibc, just use the compiler wrapper built by uClibc... -# Everything should compile and work as expected these days... -#CC:=/usr/i386-linux-uclibc/bin/i386-uclibc-gcc +# If you want to add some simple compiler switches (like -march=i686), +# especially from the command line, use this instead of CFLAGS directly. +# For optimization overrides, it's better still to set OPTIMIZATION. +CFLAGS_EXTRA=$(subst ",, $(strip $(EXTRA_CFLAGS_OPTIONS))) + +# If you have a "pristine" source directory, point BB_SRC_DIR to it. +# Experimental and incomplete; tell the mailing list +# <busybox@busybox.net> if you do or don't like it so far. +BB_SRC_DIR:= # To compile vs some other alternative libc, you may need to use/adjust # the following lines to meet your needs... @@ -115,7 +84,10 @@ WARNINGS:=-Wall -Wstrict-prototypes -Wshadow CFLAGS:=-I$(TOPDIR)include ARFLAGS:=-r -TARGET_ARCH:=${shell $(CC) -dumpmachine | sed -e s'/-.*//' \ +#-------------------------------------------------------- +export VERSION BUILDTIME TOPDIR HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP +ifeq ($(strip $(TARGET_ARCH)),) +TARGET_ARCH:=$(shell $(CC) -dumpmachine | sed -e s'/-.*//' \ -e 's/i.86/i386/' \ -e 's/sparc.*/sparc/' \ -e 's/arm.*/arm/g' \ @@ -123,8 +95,18 @@ TARGET_ARCH:=${shell $(CC) -dumpmachine | sed -e s'/-.*//' \ -e 's/ppc/powerpc/g' \ -e 's/v850.*/v850/g' \ -e 's/sh[234]/sh/' \ - -e 's/mips.*/mips/' \ - } + -e 's/mips-.*/mips/' \ + -e 's/mipsel-.*/mipsel/' \ + -e 's/cris.*/cris/' \ + ) +endif + +# Pull in the user's uClibc configuration +ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),) +include_config := 1 +-include $(TOPDIR).config +endif + # A nifty macro to make testing gcc features easier check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \ then echo "$(1)"; else echo "$(2)"; fi) @@ -159,24 +141,20 @@ OPTIMIZATIONS:=$(OPTIMIZATION) -fomit-frame-pointer # prone to casual user adjustment. # -ifeq ($(strip $(DOLFS)),true) +ifeq ($(strip $(DOLFS)),y) # For large file summit support CFLAGS+=-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 endif -ifeq ($(strip $(DODMALLOC)),true) +ifeq ($(strip $(DODMALLOC)),y) # For testing mem leaks with dmalloc CFLAGS+=-DDMALLOC LIBRARIES:=-ldmalloc - # Force debug=true, since this is useless when not debugging... - DODEBUG:=true else - ifeq ($(strip $(DOEFENCE)),true) + ifeq ($(strip $(DOEFENCE)),y) LIBRARIES:=-lefence - # Force debug=true, since this is useless when not debugging... - DODEBUG:=true endif endif -ifeq ($(strip $(DODEBUG)),true) +ifeq ($(strip $(DODEBUG)),y) CFLAGS +=$(WARNINGS) -g -D_GNU_SOURCE LDFLAGS +=-Wl,-warn-common STRIPCMD:=/bin/true -Not_stripping_since_we_are_debugging @@ -185,7 +163,7 @@ else LDFLAGS += -s -Wl,-warn-common STRIPCMD:=$(STRIP) --remove-section=.note --remove-section=.comment endif -ifeq ($(strip $(DOSTATIC)),true) +ifeq ($(strip $(DOSTATIC)),y) LDFLAGS += --static endif @@ -203,8 +181,6 @@ ifneq ($(strip $(BB_SRC_DIR)),) VPATH:=$(BB_SRC_DIR) endif -CFLAGS += -DBB_VER='"$(VERSION)"' -CFLAGS += -DBB_BT='"$(BUILDTIME)"' OBJECTS:=$(APPLET_SOURCES:.c=.o) busybox.o usage.o applets.o CFLAGS += $(CROSS_CFLAGS) ifdef BB_INIT_SCRIPT |