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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