Annotation of embedaddon/axTLS/config/Rules.mak, revision 1.1

1.1     ! misho       1: # Rules.make for busybox
        !             2: #
        !             3: # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
        !             4: #
        !             5: # Licensed under GPLv2, see the file LICENSE in this tarball for details.
        !             6: #
        !             7: 
        !             8: # Pull in the user's busybox configuration
        !             9: ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
        !            10: -include $(top_builddir)/.config
        !            11: endif
        !            12: 
        !            13: #--------------------------------------------------------
        !            14: PROG      := busybox
        !            15: MAJOR_VERSION   :=1
        !            16: MINOR_VERSION   :=1
        !            17: SUBLEVEL_VERSION:=0
        !            18: EXTRAVERSION    :=
        !            19: VERSION   :=$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)$(EXTRAVERSION)
        !            20: BUILDTIME := $(shell TZ=UTC date -u "+%Y.%m.%d-%H:%M%z")
        !            21: 
        !            22: 
        !            23: #--------------------------------------------------------
        !            24: # With a modern GNU make(1) (highly recommended, that's what all the
        !            25: # developers use), all of the following configuration values can be
        !            26: # overridden at the command line.  For example:
        !            27: #   make CROSS=powerpc-linux- top_srcdir="$HOME/busybox" PREFIX=/mnt/app
        !            28: #--------------------------------------------------------
        !            29: 
        !            30: # If you are running a cross compiler, you will want to set 'CROSS'
        !            31: # to something more interesting...  Target architecture is determined
        !            32: # by asking the CC compiler what arch it compiles things for, so unless
        !            33: # your compiler is broken, you should not need to specify TARGET_ARCH
        !            34: CROSS           =$(subst ",, $(strip $(CROSS_COMPILER_PREFIX)))
        !            35: CC             = $(CROSS)gcc
        !            36: AR             = $(CROSS)ar
        !            37: AS             = $(CROSS)as
        !            38: LD             = $(CROSS)ld
        !            39: NM             = $(CROSS)nm
        !            40: STRIP          = $(CROSS)strip
        !            41: CPP            = $(CC) -E
        !            42: # MAKEFILES      = $(top_builddir)/.config
        !            43: RM             = rm
        !            44: RM_F           = $(RM) -f
        !            45: LN             = ln
        !            46: LN_S           = $(LN) -s
        !            47: MKDIR          = mkdir
        !            48: MKDIR_P        = $(MKDIR) -p
        !            49: MV             = mv
        !            50: CP             = cp
        !            51: 
        !            52: 
        !            53: # What OS are you compiling busybox for?  This allows you to include
        !            54: # OS specific things, syscall overrides, etc.
        !            55: TARGET_OS=linux
        !            56: 
        !            57: # Select the compiler needed to build binaries for your development system
        !            58: HOSTCC    = gcc
        !            59: HOSTCFLAGS= -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
        !            60: 
        !            61: # Ensure consistent sort order, 'gcc -print-search-dirs' behavior, etc.
        !            62: LC_ALL:= C
        !            63: 
        !            64: # If you want to add some simple compiler switches (like -march=i686),
        !            65: # especially from the command line, use this instead of CFLAGS directly.
        !            66: # For optimization overrides, it's better still to set OPTIMIZATION.
        !            67: CFLAGS_EXTRA=$(subst ",, $(strip $(EXTRA_CFLAGS_OPTIONS)))
        !            68: 
        !            69: # To compile vs some other alternative libc, you may need to use/adjust
        !            70: # the following lines to meet your needs...
        !            71: #
        !            72: # If you are using Red Hat 6.x with the compatible RPMs (for developing under
        !            73: # Red Hat 5.x and glibc 2.0) uncomment the following.  Be sure to read about
        !            74: # using the compatible RPMs (compat-*) at http://www.redhat.com !
        !            75: #LIBCDIR:=/usr/i386-glibc20-linux
        !            76: #
        !            77: # For other libraries, you are on your own.  But these may (or may not) help...
        !            78: #LDFLAGS+=-nostdlib
        !            79: #LIBRARIES:=$(LIBCDIR)/lib/libc.a -lgcc
        !            80: #CROSS_CFLAGS+=-nostdinc -I$(LIBCDIR)/include -I$(GCCINCDIR) -funsigned-char
        !            81: #GCCINCDIR:=$(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
        !            82: 
        !            83: WARNINGS=-Wall -Wstrict-prototypes -Wshadow
        !            84: CFLAGS=-I$(top_builddir)/include -I$(top_srcdir)/include -I$(srcdir)
        !            85: ARFLAGS=cru
        !            86: 
        !            87: 
        !            88: # gcc centric. Perhaps fiddle with findstring gcc,$(CC) for the rest
        !            89: # get the CC MAJOR/MINOR version
        !            90: CC_MAJOR:=$(shell printf "%02d" $(shell echo __GNUC__ | $(CC) -E -xc - | tail -n 1))
        !            91: CC_MINOR:=$(shell printf "%02d" $(shell echo __GNUC_MINOR__ | $(CC) -E -xc - | tail -n 1))
        !            92: 
        !            93: #--------------------------------------------------------
        !            94: export VERSION BUILDTIME HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP
        !            95: ifeq ($(strip $(TARGET_ARCH)),)
        !            96: TARGET_ARCH:=$(shell $(CC) -dumpmachine | sed -e s'/-.*//' \
        !            97:                -e 's/i.86/i386/' \
        !            98:                -e 's/sparc.*/sparc/' \
        !            99:                -e 's/arm.*/arm/g' \
        !           100:                -e 's/m68k.*/m68k/' \
        !           101:                -e 's/ppc/powerpc/g' \
        !           102:                -e 's/v850.*/v850/g' \
        !           103:                -e 's/sh[234]/sh/' \
        !           104:                -e 's/mips-.*/mips/' \
        !           105:                -e 's/mipsel-.*/mipsel/' \
        !           106:                -e 's/cris.*/cris/' \
        !           107:                )
        !           108: endif
        !           109: 
        !           110: # A nifty macro to make testing gcc features easier
        !           111: check_gcc=$(shell \
        !           112:        if [ "$(1)" != "" ]; then \
        !           113:                if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \
        !           114:                then echo "$(1)"; else echo "$(2)"; fi \
        !           115:        fi)
        !           116: 
        !           117: # Setup some shortcuts so that silent mode is silent like it should be
        !           118: ifeq ($(subst s,,$(MAKEFLAGS)),$(MAKEFLAGS))
        !           119: export MAKE_IS_SILENT=n
        !           120: SECHO=@echo
        !           121: else
        !           122: export MAKE_IS_SILENT=y
        !           123: SECHO=-@false
        !           124: endif
        !           125: 
        !           126: CFLAGS+=$(call check_gcc,-funsigned-char,)
        !           127: 
        !           128: #--------------------------------------------------------
        !           129: # Arch specific compiler optimization stuff should go here.
        !           130: # Unless you want to override the defaults, do not set anything
        !           131: # for OPTIMIZATION...
        !           132: 
        !           133: # use '-Os' optimization if available, else use -O2
        !           134: OPTIMIZATION:=$(call check_gcc,-Os,-O2)
        !           135: 
        !           136: # Some nice architecture specific optimizations
        !           137: ifeq ($(strip $(TARGET_ARCH)),arm)
        !           138:        OPTIMIZATION+=-fstrict-aliasing
        !           139: endif
        !           140: ifeq ($(strip $(TARGET_ARCH)),i386)
        !           141:        OPTIMIZATION+=$(call check_gcc,-march=i386,)
        !           142:        OPTIMIZATION+=$(call check_gcc,-mpreferred-stack-boundary=2,)
        !           143:        OPTIMIZATION+=$(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,\
        !           144:                -malign-functions=0 -malign-jumps=0 -malign-loops=0)
        !           145: endif
        !           146: OPTIMIZATIONS:=$(OPTIMIZATION) -fomit-frame-pointer
        !           147: 
        !           148: #
        !           149: #--------------------------------------------------------
        !           150: # If you're going to do a lot of builds with a non-vanilla configuration,
        !           151: # it makes sense to adjust parameters above, so you can type "make"
        !           152: # by itself, instead of following it by the same half-dozen overrides
        !           153: # every time.  The stuff below, on the other hand, is probably less
        !           154: # prone to casual user adjustment.
        !           155: #
        !           156: 
        !           157: ifeq ($(strip $(CONFIG_LFS)),y)
        !           158:     # For large file summit support
        !           159:     CFLAGS+=-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
        !           160: endif
        !           161: ifeq ($(strip $(CONFIG_DMALLOC)),y)
        !           162:     # For testing mem leaks with dmalloc
        !           163:     CFLAGS+=-DDMALLOC
        !           164:     LIBRARIES:=-ldmalloc
        !           165: else
        !           166:     ifeq ($(strip $(CONFIG_EFENCE)),y)
        !           167:        LIBRARIES:=-lefence
        !           168:     endif
        !           169: endif
        !           170: ifeq ($(strip $(CONFIG_DEBUG)),y)
        !           171:     CFLAGS  +=$(WARNINGS) -g -D_GNU_SOURCE
        !           172:     LDFLAGS +=-Wl,-warn-common
        !           173:     STRIPCMD:=/bin/true -Not_stripping_since_we_are_debugging
        !           174: else
        !           175:     CFLAGS+=$(WARNINGS) $(OPTIMIZATIONS) -D_GNU_SOURCE -DNDEBUG
        !           176:     LDFLAGS += -Wl,-warn-common
        !           177:     STRIPCMD:=$(STRIP) -s --remove-section=.note --remove-section=.comment
        !           178: endif
        !           179: ifeq ($(strip $(CONFIG_STATIC)),y)
        !           180:     LDFLAGS += --static
        !           181: endif
        !           182: 
        !           183: ifeq ($(strip $(CONFIG_SELINUX)),y)
        !           184:     LIBRARIES += -lselinux
        !           185: endif
        !           186: 
        !           187: ifeq ($(strip $(PREFIX)),)
        !           188:     PREFIX:=`pwd`/_install
        !           189: endif
        !           190: 
        !           191: # Additional complications due to support for pristine source dir.
        !           192: # Include files in the build directory should take precedence over
        !           193: # the copy in top_srcdir, both during the compilation phase and the
        !           194: # shell script that finds the list of object files.
        !           195: # Work in progress by <ldoolitt@recycle.lbl.gov>.
        !           196: 
        !           197: 
        !           198: OBJECTS:=$(APPLET_SOURCES:.c=.o) busybox.o usage.o applets.o
        !           199: CFLAGS    += $(CROSS_CFLAGS)
        !           200: ifdef BB_INIT_SCRIPT
        !           201:     CFLAGS += -DINIT_SCRIPT='"$(BB_INIT_SCRIPT)"'
        !           202: endif
        !           203: 
        !           204: # Put user-supplied flags at the end, where they
        !           205: # have a chance of winning.
        !           206: CFLAGS += $(CFLAGS_EXTRA)
        !           207: 
        !           208: #------------------------------------------------------------
        !           209: # Installation options
        !           210: ifeq ($(strip $(CONFIG_INSTALL_APPLET_HARDLINKS)),y)
        !           211: INSTALL_OPTS=--hardlinks
        !           212: endif
        !           213: ifeq ($(strip $(CONFIG_INSTALL_APPLET_SYMLINKS)),y)
        !           214: INSTALL_OPTS=--symlinks
        !           215: endif
        !           216: ifeq ($(strip $(CONFIG_INSTALL_APPLET_DONT)),y)
        !           217: INSTALL_OPTS=
        !           218: endif
        !           219: 
        !           220: .PHONY: dummy

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