| 1 | # Rules.make for busybox |
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| 2 | # |
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| 3 | # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org> |
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| 4 | # |
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| 5 | # Licensed under GPLv2, see the file LICENSE in this tarball for details. |
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| 6 | # |
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| 7 | |
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| 8 | # Pull in the user's busybox configuration |
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| 9 | ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),) |
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| 10 | -include $(top_builddir)/.config |
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| 11 | endif |
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| 12 | |
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| 13 | #-------------------------------------------------------- |
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| 14 | PROG := busybox |
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| 15 | MAJOR_VERSION :=1 |
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| 16 | MINOR_VERSION :=2 |
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| 17 | SUBLEVEL_VERSION:=2 |
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| 18 | EXTRAVERSION := |
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| 19 | VERSION :=$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)$(EXTRAVERSION) |
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| 20 | BUILDTIME := $(shell TZ=UTC date -u "+%Y.%m.%d-%H:%M%z") |
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| 21 | |
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| 22 | |
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| 23 | #-------------------------------------------------------- |
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| 24 | # With a modern GNU make(1) (highly recommended, that's what all the |
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| 25 | # developers use), all of the following configuration values can be |
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| 26 | # overridden at the command line. For example: |
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| 27 | # make CROSS=powerpc-linux- top_srcdir="$HOME/busybox" PREFIX=/mnt/app |
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| 28 | #-------------------------------------------------------- |
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| 29 | |
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| 30 | # If you are running a cross compiler, you will want to set 'CROSS' |
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| 31 | # to something more interesting... Target architecture is determined |
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| 32 | # by asking the CC compiler what arch it compiles things for, so unless |
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| 33 | # your compiler is broken, you should not need to specify TARGET_ARCH |
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| 34 | CROSS =$(strip $(subst ",, $(strip $(CROSS_COMPILER_PREFIX)))) |
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| 35 | # be gentle to vi coloring.. ")) |
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| 36 | CC = $(CROSS)gcc |
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| 37 | AR = $(CROSS)ar |
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| 38 | AS = $(CROSS)as |
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| 39 | LD = $(CROSS)ld |
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| 40 | NM = $(CROSS)nm |
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| 41 | STRIP = $(CROSS)strip |
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| 42 | ELF2FLT = $(CROSS)elf2flt |
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| 43 | CPP = $(CC) -E |
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| 44 | SED ?= sed |
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| 45 | BZIP2 ?= bzip2 |
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| 46 | |
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| 47 | |
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| 48 | # What OS are you compiling busybox for? This allows you to include |
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| 49 | # OS specific things, syscall overrides, etc. |
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| 50 | TARGET_OS=linux |
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| 51 | |
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| 52 | # Ensure consistent sort order, 'gcc -print-search-dirs' behavior, etc. |
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| 53 | LC_ALL:= C |
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| 54 | |
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| 55 | # This must bind late because srcdir is reset for every source subdirectory. |
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| 56 | INCS:=-I$(top_builddir)/include -I$(top_srcdir)/include |
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| 57 | CFLAGS=$(INCS) -I$(srcdir) -D_GNU_SOURCE |
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| 58 | CFLAGS+=$(CHECKED_CFLAGS) |
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| 59 | ARFLAGS=cru |
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| 60 | |
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| 61 | # gcc centric. Perhaps fiddle with findstring gcc,$(CC) for the rest |
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| 62 | # get the CC MAJOR/MINOR version |
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| 63 | CC_MAJOR:=$(shell printf "%02d" $(shell echo __GNUC__ | $(CC) -E -xc - | tail -n 1)) |
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| 64 | CC_MINOR:=$(shell printf "%02d" $(shell echo __GNUC_MINOR__ | $(CC) -E -xc - | tail -n 1)) |
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| 65 | |
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| 66 | #-------------------------------------------------------- |
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| 67 | export VERSION BUILDTIME HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP |
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| 68 | ifeq ($(strip $(TARGET_ARCH)),) |
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| 69 | TARGET_ARCH:=$(shell $(CC) -dumpmachine | $(SED) -e s'/-.*//' \ |
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| 70 | -e 's/i.86/i386/' \ |
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| 71 | -e 's/sparc.*/sparc/' \ |
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| 72 | -e 's/arm.*/arm/g' \ |
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| 73 | -e 's/m68k.*/m68k/' \ |
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| 74 | -e 's/ppc/powerpc/g' \ |
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| 75 | -e 's/v850.*/v850/g' \ |
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| 76 | -e 's/sh[234]/sh/' \ |
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| 77 | -e 's/mips-.*/mips/' \ |
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| 78 | -e 's/mipsel-.*/mipsel/' \ |
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| 79 | -e 's/cris.*/cris/' \ |
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| 80 | ) |
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| 81 | endif |
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| 82 | |
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| 83 | # A nifty macro to make testing gcc features easier, but note that everything |
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| 84 | # that uses this _must_ use := or it will be re-evaluated everytime it is |
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| 85 | # referenced. |
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| 86 | ifeq ($(strip $(BUILD_VERBOSE)),2) |
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| 87 | VERBOSE_CHECK_CC=echo CC=\"$(1)\" check_cc $(2) >&2; |
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| 88 | endif |
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| 89 | check_cc=$(shell \ |
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| 90 | $(VERBOSE_CHECK_CC) \ |
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| 91 | if [ "x$(1)" != "x" ] && [ "x$(2)" != "x" ]; then \ |
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| 92 | echo "int i;" > ./conftest.c; \ |
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| 93 | if $(1) $(2) -c -o conftest.o conftest.c > /dev/null 2>&1; \ |
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| 94 | then echo "$(2)"; else echo "$(3)"; fi ; \ |
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| 95 | rm -f conftest.c conftest.o; \ |
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| 96 | fi) |
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| 97 | |
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| 98 | ifneq ($(filter $(nocheck_targets),$(MAKECMDGOALS)),) |
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| 99 | check_cc:= |
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| 100 | endif |
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| 101 | |
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| 102 | # A not very robust macro to check for available ld flags |
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| 103 | ifeq ($(strip $(BUILD_VERBOSE)),2) |
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| 104 | VERBOSE_CHECK_LD=echo LD=\"$(1)\" check_ld $(2) >&2; |
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| 105 | endif |
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| 106 | check_ld=$(shell \ |
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| 107 | $(VERBOSE_CHECK_LD) \ |
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| 108 | if [ "x$(1)" != "x" ] && [ "x$(2)" != "x" ]; then \ |
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| 109 | $(1) -o /dev/null -b binary /dev/null > /dev/null 2>&1 && \ |
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| 110 | echo "-Wl,$(2)" ; \ |
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| 111 | fi) |
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| 112 | |
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| 113 | ifneq ($(filter $(nocheck_targets),$(MAKECMDGOALS)),) |
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| 114 | check_ld:= |
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| 115 | endif |
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| 116 | |
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| 117 | # A not very robust macro to check for available strip flags |
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| 118 | ifeq ($(strip $(BUILD_VERBOSE)),2) |
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| 119 | VERBOSE_CHECK_STRIP=echo STRIPCMD=\"$(1)\" check_strip $(2) >&2; |
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| 120 | endif |
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| 121 | check_strip=$(shell \ |
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| 122 | $(VERBOSE_CHECK_STRIP) \ |
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| 123 | if [ "x$(1)" != "x" ] && [ "x$(2)" != "x" ]; then \ |
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| 124 | echo "int i;" > ./conftest.c ; \ |
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| 125 | $(CC) -c -o conftest.o conftest.c > /dev/null 2>&1 ; \ |
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| 126 | $(1) $(2) conftest.o > /dev/null 2>&1 && \ |
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| 127 | echo "$(1) $(2)" || echo "$(3)"; \ |
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| 128 | rm -f conftest.c conftest.o > /dev/null 2>&1 ; \ |
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| 129 | fi) |
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| 130 | |
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| 131 | ifneq ($(filter $(nocheck_targets),$(MAKECMDGOALS)),) |
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| 132 | check_strip:= |
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| 133 | endif |
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| 134 | |
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| 135 | |
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| 136 | # Select the compiler needed to build binaries for your development system |
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| 137 | HOSTCC = gcc |
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| 138 | HOSTCFLAGS:=$(call check_cc,$(HOSTCC),-Wall,) |
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| 139 | HOSTCFLAGS+=$(call check_cc,$(HOSTCC),-Wstrict-prototypes,) |
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| 140 | HOSTCFLAGS+=$(call check_cc,$(HOSTCC),-O2,) |
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| 141 | HOSTCFLAGS+=$(call check_cc,$(HOSTCC),-fomit-frame-pointer,) |
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| 142 | |
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| 143 | LD_WHOLE_ARCHIVE:=$(shell echo "int i;" > conftest.c ; \ |
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| 144 | $(CC) -c -o conftest.o conftest.c ; \ |
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| 145 | echo "int main(void){return 0;}" > conftest_main.c ; \ |
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| 146 | $(CC) -c -o conftest_main.o conftest_main.c ; \ |
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| 147 | $(AR) $(ARFLAGS) conftest.a conftest.o ; \ |
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| 148 | $(CC) -Wl,--whole-archive conftest.a -Wl,--no-whole-archive \ |
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| 149 | conftest_main.o -o conftest > /dev/null 2>&1 \ |
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| 150 | && echo "-Wl,--whole-archive" ; \ |
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| 151 | rm conftest_main.o conftest_main.c conftest.o conftest.c \ |
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| 152 | conftest.a conftest > /dev/null 2>&1 ; ) |
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| 153 | ifneq ($(findstring whole-archive,$(LD_WHOLE_ARCHIVE)),) |
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| 154 | LD_NO_WHOLE_ARCHIVE:= -Wl,--no-whole-archive |
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| 155 | endif |
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| 156 | |
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| 157 | LD_START_GROUP:=$(shell echo "int bar(void){return 0;}" > conftest.c ; \ |
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| 158 | $(CC) -c -o conftest.o conftest.c ; \ |
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| 159 | echo "int main(void){return bar();}" > conftest_main.c ; \ |
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| 160 | $(CC) -c -o conftest_main.o conftest_main.c ; \ |
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| 161 | $(AR) $(ARFLAGS) conftest.a conftest.o ; \ |
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| 162 | $(CC) -Wl,--start-group conftest.a conftest_main.o -Wl,--end-group \ |
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| 163 | -o conftest > /dev/null 2>&1 && echo "-Wl,--start-group" ; \ |
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| 164 | rm conftest_main.o conftest_main.c conftest.o conftest.c \ |
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| 165 | conftest.a conftest > /dev/null 2>&1 ; ) |
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| 166 | ifneq ($(findstring start-group,$(LD_START_GROUP)),) |
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| 167 | LD_END_GROUP:= -Wl,--end-group |
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| 168 | endif |
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| 169 | |
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| 170 | CHECKED_LDFLAGS := $(call check_ld,$(LD),--warn-common,) |
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| 171 | |
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| 172 | # Pin CHECKED_CFLAGS with := so it's only evaluated once. |
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| 173 | CHECKED_CFLAGS:=$(call check_cc,$(CC),-Wall,) |
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| 174 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wstrict-prototypes,) |
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| 175 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wshadow,) |
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| 176 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-funsigned-char,) |
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| 177 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-mmax-stack-frame=256,) |
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| 178 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-fno-builtin-strlen) |
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| 179 | |
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| 180 | # Preemptively pin this too. |
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| 181 | PROG_CFLAGS:= |
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| 182 | |
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| 183 | |
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| 184 | #-------------------------------------------------------- |
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| 185 | # Arch specific compiler optimization stuff should go here. |
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| 186 | # Unless you want to override the defaults, do not set anything |
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| 187 | # for OPTIMIZATION... |
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| 188 | |
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| 189 | # use '-Os' optimization if available, else use -O2 |
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| 190 | OPTIMIZATION:=$(call check_cc,$(CC),-Os,-O2) |
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| 191 | |
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| 192 | ifeq ($(CONFIG_BUILD_AT_ONCE),y) |
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| 193 | # gcc 2.95 exits with 0 for "unrecognized option" |
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| 194 | ifeq ($(strip $(shell [ $(CC_MAJOR) -ge 3 ] ; echo $$?)),0) |
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| 195 | CFLAGS_COMBINE:=$(call check_cc,$(CC),--combine,) |
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| 196 | endif |
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| 197 | OPTIMIZATION+=$(call check_cc,$(CC),-funit-at-a-time,) |
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| 198 | OPTIMIZATION+=$(call check_cc,$(CC),-fgcse-after-reload,) |
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| 199 | ifneq ($(CONFIG_BUILD_LIBBUSYBOX),y) |
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| 200 | # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25795 |
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| 201 | # This prevents us from using -fwhole-program when we build the lib |
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| 202 | PROG_CFLAGS+=$(call check_cc,$(CC),-fwhole-program,) |
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| 203 | endif # CONFIG_BUILD_LIBBUSYBOX |
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| 204 | endif # CONFIG_BUILD_AT_ONCE |
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| 205 | |
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| 206 | LIB_LDFLAGS:=$(call check_ld,$(LD),--enable-new-dtags,) |
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| 207 | #LIB_LDFLAGS+=$(call check_ld,$(LD),--reduce-memory-overheads,) |
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| 208 | #LIB_LDFLAGS+=$(call check_ld,$(LD),--as-needed,) |
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| 209 | #LIB_LDFLAGS+=$(call check_ld,$(LD),--warn-shared-textrel,) |
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| 210 | |
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| 211 | |
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| 212 | # Some nice architecture specific optimizations |
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| 213 | ifeq ($(strip $(TARGET_ARCH)),arm) |
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| 214 | OPTIMIZATION+=-fstrict-aliasing |
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| 215 | endif |
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| 216 | ifeq ($(strip $(TARGET_ARCH)),i386) |
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| 217 | OPTIMIZATION+=$(call check_cc,$(CC),-march=i386,) |
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| 218 | # gcc-4.0 and older seem to benefit from these |
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| 219 | #ifneq ($(strip $(shell [ $(CC_MAJOR) -ge 4 -a $(CC_MINOR) -ge 1 ] ; echo $$?)),0) |
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| 220 | OPTIMIZATION+=$(call check_cc,$(CC),-mpreferred-stack-boundary=2,) |
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| 221 | OPTIMIZATION+=$(call check_cc,$(CC),-falign-functions=1 -falign-jumps=1 -falign-loops=1,\ |
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| 222 | -malign-functions=0 -malign-jumps=0 -malign-loops=0) |
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| 223 | #endif # gcc-4.0 and older |
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| 224 | |
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| 225 | # gcc-4.1 and beyond seem to benefit from these |
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| 226 | ifeq ($(strip $(shell [ $(CC_MAJOR) -ge 4 -a $(CC_MINOR) -ge 1 ] ; echo $$?)),0) |
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| 227 | # turn off flags which hurt -Os |
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| 228 | OPTIMIZATION+=$(call check_cc,$(CC),-fno-tree-loop-optimize,) |
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| 229 | OPTIMIZATION+=$(call check_cc,$(CC),-fno-tree-dominator-opts,) |
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| 230 | OPTIMIZATION+=$(call check_cc,$(CC),-fno-strength-reduce,) |
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| 231 | |
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| 232 | OPTIMIZATION+=$(call check_cc,$(CC),-fno-branch-count-reg,) |
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| 233 | endif # gcc-4.1 and beyond |
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| 234 | endif |
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| 235 | OPTIMIZATION+=$(call check_cc,$(CC),-fomit-frame-pointer,) |
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| 236 | OPTIMIZATION+=$(call check_cc,$(CC),-ffunction-sections -fdata-sections,) |
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| 237 | |
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| 238 | # |
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| 239 | #-------------------------------------------------------- |
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| 240 | # If you're going to do a lot of builds with a non-vanilla configuration, |
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| 241 | # it makes sense to adjust parameters above, so you can type "make" |
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| 242 | # by itself, instead of following it by the same half-dozen overrides |
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| 243 | # every time. The stuff below, on the other hand, is probably less |
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| 244 | # prone to casual user adjustment. |
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| 245 | # |
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| 246 | |
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| 247 | ifeq ($(strip $(CONFIG_LFS)),y) |
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| 248 | # For large file summit support |
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| 249 | CFLAGS+=-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 |
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| 250 | endif |
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| 251 | ifeq ($(strip $(CONFIG_DMALLOC)),y) |
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| 252 | # For testing mem leaks with dmalloc |
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| 253 | CFLAGS+=-DDMALLOC |
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| 254 | LIBRARIES:=-ldmalloc |
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| 255 | else |
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| 256 | ifeq ($(strip $(CONFIG_EFENCE)),y) |
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| 257 | LIBRARIES:=-lefence |
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| 258 | endif |
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| 259 | endif |
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| 260 | |
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| 261 | # Debugging info |
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| 262 | |
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| 263 | ifeq ($(strip $(CONFIG_DEBUG)),y) |
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| 264 | CFLAGS +=-g |
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| 265 | else |
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| 266 | CFLAGS +=-DNDEBUG |
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| 267 | CHECKED_LDFLAGS += $(call check_ld,$(LD),--sort-common,) |
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| 268 | CHECKED_LDFLAGS += $(call check_ld,$(LD),--gc-sections,) |
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| 269 | endif |
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| 270 | |
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| 271 | ifneq ($(strip $(CONFIG_DEBUG_PESSIMIZE)),y) |
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| 272 | CFLAGS += $(OPTIMIZATION) |
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| 273 | endif |
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| 274 | |
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| 275 | # warn a bit more verbosely for non-release versions |
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| 276 | ifneq ($(EXTRAVERSION),) |
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| 277 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wstrict-prototypes,) |
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| 278 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wmissing-prototypes,) |
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| 279 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wmissing-declarations,) |
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| 280 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wunused,) |
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| 281 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Winit-self,) |
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| 282 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wshadow,) |
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| 283 | CHECKED_CFLAGS+=$(call check_cc,$(CC),-Wcast-align,) |
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| 284 | endif |
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| 285 | STRIPCMD:=$(call check_strip,$(STRIP),-s --remove-section=.note --remove-section=.comment,$(STRIP)) |
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| 286 | ifeq ($(strip $(CONFIG_STATIC)),y) |
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| 287 | PROG_CFLAGS += $(call check_cc,$(CC),-static,) |
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| 288 | endif |
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| 289 | CFLAGS_SHARED := $(call check_cc,$(CC),-shared,) |
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| 290 | LIB_CFLAGS+=$(CFLAGS_SHARED) |
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| 291 | |
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| 292 | ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y) |
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| 293 | CFLAGS_PIC:= $(call check_cc,$(CC),-fPIC,) |
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| 294 | LIB_CFLAGS+=$(CFLAGS_PIC) |
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| 295 | endif |
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| 296 | |
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| 297 | ifeq ($(strip $(CONFIG_SELINUX)),y) |
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| 298 | LIBRARIES += -lselinux -lsepol |
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| 299 | endif |
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| 300 | |
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| 301 | ifeq ($(strip $(PREFIX)),) |
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| 302 | PREFIX:=`pwd`/_install |
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| 303 | endif |
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| 304 | |
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| 305 | ifneq ($(strip $(CONFIG_GETOPT_LONG)),y) |
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| 306 | CFLAGS += -D__need_getopt |
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| 307 | endif |
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| 308 | |
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| 309 | # Additional complications due to support for pristine source dir. |
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| 310 | # Include files in the build directory should take precedence over |
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| 311 | # the copy in top_srcdir, both during the compilation phase and the |
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| 312 | # shell script that finds the list of object files. |
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| 313 | # Work in progress by <ldoolitt@recycle.lbl.gov>. |
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| 314 | |
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| 315 | |
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| 316 | OBJECTS:=$(APPLET_SOURCES:.c=.o) busybox.o usage.o applets.o |
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| 317 | CFLAGS += $(CHECKED_CFLAGS) $(CROSS_CFLAGS) |
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| 318 | LDFLAGS += $(CHECKED_LDFLAGS) |
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| 319 | |
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| 320 | ifdef BB_INIT_SCRIPT |
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| 321 | CFLAGS += -DINIT_SCRIPT='"$(BB_INIT_SCRIPT)"' |
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| 322 | endif |
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| 323 | |
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| 324 | # Put user-supplied flags at the end, where they |
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| 325 | # have a chance of winning. |
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| 326 | -include $(top_builddir)/.config.mak |
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| 327 | |
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| 328 | #------------------------------------------------------------ |
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| 329 | # Installation options |
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| 330 | ifeq ($(strip $(CONFIG_INSTALL_APPLET_HARDLINKS)),y) |
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| 331 | INSTALL_OPTS=--hardlinks |
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| 332 | endif |
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| 333 | ifeq ($(strip $(CONFIG_INSTALL_APPLET_SYMLINKS)),y) |
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| 334 | INSTALL_OPTS=--symlinks |
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| 335 | endif |
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| 336 | ifeq ($(strip $(CONFIG_INSTALL_APPLET_DONT)),y) |
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| 337 | INSTALL_OPTS= |
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| 338 | endif |
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| 339 | |
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| 340 | #------------------------------------------------------------ |
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| 341 | # Make the output nice and tight |
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| 342 | MAKEFLAGS += --no-print-directory |
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| 343 | export MAKE_IS_SILENT=n |
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| 344 | ifneq ($(findstring s,$(MAKEFLAGS)),) |
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| 345 | export MAKE_IS_SILENT=y |
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| 346 | SECHO := @-false |
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| 347 | DISP := sil |
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| 348 | Q := @ |
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| 349 | else |
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| 350 | ifneq ($(BUILD_VERBOSE),) |
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| 351 | SECHO := @-false |
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| 352 | DISP := ver |
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| 353 | Q := |
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| 354 | else |
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| 355 | SECHO := @echo |
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| 356 | DISP := pur |
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| 357 | Q := @ |
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| 358 | endif |
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| 359 | endif |
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| 360 | |
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| 361 | show_objs = $(subst $(top_builddir)/,,$(subst ../,,$@)) |
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| 362 | pur_disp_compile.c = echo " "CC $(show_objs) |
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| 363 | pur_disp_compile.h = echo " "HOSTCC $(show_objs) |
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| 364 | pur_disp_strip = echo " "STRIP $(show_objs) |
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| 365 | pur_disp_link = echo " "LINK $(show_objs) |
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| 366 | pur_disp_link.h = echo " "HOSTLINK $(show_objs) |
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| 367 | pur_disp_ar = echo " "AR $(ARFLAGS) $(show_objs) |
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| 368 | pur_disp_elf2flt = echo " "ELF2FLT $(ELF2FLTFLAGS) $(show_objs) |
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| 369 | sil_disp_compile.c = true |
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| 370 | sil_disp_compile.h = true |
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| 371 | sil_disp_strip = true |
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| 372 | sil_disp_link = true |
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| 373 | sil_disp_link.h = true |
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| 374 | sil_disp_ar = true |
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| 375 | sil_disp_elf2flt = true |
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| 376 | ver_disp_compile.c = echo $(cmd_compile.c) |
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| 377 | ver_disp_compile.h = echo $(cmd_compile.h) |
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| 378 | ver_disp_strip = echo $(cmd_strip) |
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| 379 | ver_disp_link = echo $(cmd_link) |
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| 380 | ver_disp_link.h = echo $(cmd_link.h) |
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| 381 | ver_disp_ar = echo $(cmd_ar) |
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| 382 | ver_disp_elf2flt = echo $(cmd_elf2flt) |
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| 383 | disp_compile.c = $($(DISP)_disp_compile.c) |
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| 384 | disp_compile.h = $($(DISP)_disp_compile.h) |
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| 385 | disp_strip = $($(DISP)_disp_strip) |
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| 386 | disp_link = $($(DISP)_disp_link) |
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| 387 | disp_link.h = $($(DISP)_disp_link.h) |
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| 388 | disp_ar = $($(DISP)_disp_ar) |
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| 389 | disp_gen = $(SECHO) " "GEN $@ ; true |
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| 390 | disp_doc = $(SECHO) " "DOC $(subst docs/,,$@) ; true |
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| 391 | disp_elf2flt = $($(DISP)_disp_elf2flt) |
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| 392 | cmd_compile.c = $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $< |
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| 393 | cmd_compile.h = $(HOSTCC) $(HOSTCFLAGS) $(INCS) -c -o $@ $< |
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| 394 | cmd_strip = $(STRIPCMD) $@ |
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| 395 | cmd_link = $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) \ |
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| 396 | $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE) \ |
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| 397 | -o $@ $(LD_START_GROUP) \ |
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| 398 | $(APPLETS_DEFINE) $(APPLET_SRC) \ |
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| 399 | $(BUSYBOX_DEFINE) $(BUSYBOX_SRC) $(libraries-y) \ |
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| 400 | $(LDBUSYBOX) $(LIBRARIES) \ |
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| 401 | $(LD_END_GROUP) |
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| 402 | cmd_link.so = $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) \ |
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| 403 | $(LIB_CFLAGS) $(CFLAGS_COMBINE) $(LIB_LDFLAGS) \ |
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| 404 | -o $(@) $(LD_START_GROUP) $(LD_WHOLE_ARCHIVE) \ |
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| 405 | $(LIBRARY_DEFINE) $(^) \ |
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| 406 | $(LD_NO_WHOLE_ARCHIVE) $(LD_END_GROUP) |
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| 407 | cmd_link.h = $(HOSTCC) $(HOSTCFLAGS) $(INCS) $< -o $@ |
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| 408 | cmd_ar = $(AR) $(ARFLAGS) $@ $^ |
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| 409 | cmd_elf2flt = $(ELF2FLT) $(ELF2FLTFLAGS) $< -o $@ |
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| 410 | compile.c = @$(disp_compile.c) ; $(cmd_compile.c) |
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| 411 | compile.h = @$(disp_compile.h) ; $(cmd_compile.h) |
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| 412 | do_strip = @$(disp_strip) ; $(cmd_strip) |
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| 413 | do_link = @$(disp_link) ; $(cmd_link) |
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| 414 | do_link.so = @$(disp_link) ; $(cmd_link.so) |
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| 415 | do_link.h = @$(disp_link.h) ; $(cmd_link.h) |
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| 416 | do_ar = @$(disp_ar) ; $(cmd_ar) |
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| 417 | do_elf2flt = @$(disp_elf2flt) ; $(cmd_elf2flt) |
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| 418 | |
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| 419 | uppercase = $(shell echo $1 | $(SED) -e "y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/") |
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| 420 | %.a: |
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| 421 | @if test -z "$($(call uppercase,$*)_DIR)" ; then \ |
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| 422 | echo "Invalid target $@" ; \ |
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| 423 | exit 1 ; \ |
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| 424 | fi |
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| 425 | $(Q)$(MAKE) $($(call uppercase,$*)_DIR)$@ |
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| 426 | |
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| 427 | .PHONY: dummy |
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