| 1 | #!/bin/bash
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| 2 | #
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| 3 | # Multi-arch handling functions for cross-lfs build
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| 4 | # -------------------------------------------------
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| 5 | # $LastChangedBy$
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| 6 | # $LastChangedDate$
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| 7 | # $LastChangedRevision$
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| 8 | # $HeadURL$
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| 9 | #
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| 10 |
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| 11 | # TODO: should really check if DEFAULTENV and LIBDIRENV have been set
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| 12 | # in plfs-config and bail out if they have not...
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| 13 |
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| 14 | set_buildenv() {
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| 15 | case ${SELF} in
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| 16 | *-64.sh ) BUILDENV=64 ;;
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| 17 | *-32.sh ) BUILDENV=32 ;;
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| 18 | *-n32.sh ) BUILDENV=n32 ;;
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| 19 | *-o32.sh ) BUILDENV=o32 ;;
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| 20 | *-o64.sh ) BUILDENV=o64 ;;
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| 21 | * ) BUILDENV=${DEFAULTENV} ;;
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| 22 | esac
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| 23 |
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| 24 | export BUILDENV
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| 25 | }
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| 26 |
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| 27 | set_libdirname() {
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| 28 | # TODO: this will barf on mips if setting 64bit libs to go to */lib
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| 29 | # but will work if setting
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| 30 | if [ -z "${BUILDENV}" ]; then
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| 31 | BUILDENV=${DEFAULTENV}
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| 32 | export BUILDENV
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| 33 | fi
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| 34 | if [ ! "${BUILDENV}" = "${LIBDIRENV}" ]; then
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| 35 | case ${BUILDENV} in
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| 36 | 32 | o32 | n32 ) libdirname=lib32 ;;
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| 37 | 64 | o64 ) libdirname=lib64 ;;
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| 38 | * ) echo "unknown buildenv ${BUILDENV}"; return 1
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| 39 | esac
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| 40 | LOG=`echo ${LOG} | sed "s@\.log@-${BUILDENV}&@"`
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| 41 | else
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| 42 | libdirname=lib
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| 43 | fi
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| 44 |
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| 45 | # Adjust PKG_CONFIG_PATH
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| 46 | PKG_CONFIG_PATH=`echo "${PKG_CONFIG_PATH}" | \
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| 47 | sed -e "s@lib[36][124]@lib@g" -e "s@lib@${libdirname}@g" `
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| 48 |
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| 49 | # Adjust GNOME_LIBCONF_PATH
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| 50 | GNOME_LIBCONF_PATH=`echo "${GNOME_LIBCONF_PATH}" | \
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| 51 | sed -e "s@lib[36][124]@lib@g" -e "s@lib@${libdirname}@g" `
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| 52 |
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| 53 | }
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| 54 |
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| 55 | which_func() {
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| 56 | type ${1} | \
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| 57 | sed -e 's@.* \(.*\)$@\1@g' \
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| 58 | -e 's@[()]@@g'
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| 59 | }
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| 60 |
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| 61 |
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| 62 | # Following function sets compiler options
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| 63 | setup_multiarch() {
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| 64 | if [ "Y" = "${MULTIARCH}" ]; then
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| 65 | vendor_os=`echo ${TARGET} | sed 's@\([^-]*\)-\(.*\)@\2@'`
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| 66 | TGT_ARCH=`echo ${TARGET} | sed 's@\([^-]*\).*@\1@'`
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| 67 |
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| 68 | ARCH_CFLAGS=""
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| 69 | ALT_TGT=""
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| 70 |
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| 71 | case ${BUILDENV} in
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| 72 | 64 )
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| 73 | case ${TGT_ARCH} in
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| 74 | x86_64 ) ARCH_CFLAGS="-m${BUILDENV}"
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| 75 | ARCH_LDFLAGS="-m elf_x86_64" ;;
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| 76 | powerpc* | ppc* | s390* )
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| 77 | ARCH_CFLAGS="-m${BUILDENV}" ;;
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| 78 | sparc* ) ARCH_CFLAGS="-m${BUILDENV}"
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| 79 | ALT_TGT=sparc64-${vendor_os} ;;
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| 80 | mips*el* ) ARCH_CFLAGS="-mabi=${BUILDENV}"
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| 81 | ALT_TGT="mips64el-${vendor_os}" ;;
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| 82 | * )
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| 83 | echo "### Unknown: ${TGT_ARCH} - ${BUILDENV} ###" 1>&2
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| 84 | return 1
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| 85 | ;;
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| 86 | esac
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| 87 | ;;
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| 88 | 32 )
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| 89 | case ${TGT_ARCH} in
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| 90 | x86_64 | x86-64 ) ARCH_CFLAGS="-m${BUILDENV}"
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| 91 | ARCH_LDFLAGS="-m elf_i386"
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| 92 | ALT_TGT="i686-${vendor_os}" ;;
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| 93 | powerpc* | ppc* ) ARCH_CFLAGS="-m${BUILDENV}"
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| 94 | ALT_TGT="ppc-${vendor_os}" ;;
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| 95 | sparc* ) ARCH_CFLAGS="-m${BUILDENV}"
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| 96 | ALT_TGT="sparcv9-${vendor_os}" ;;
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| 97 | mips*el* ) ARCH_CFLAGS="-mabi=${BUILDENV}"
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| 98 | ALT_TGT="mipsel-${vendor_os}" ;;
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| 99 | * )
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| 100 | echo "### Unknown: ${TGT_ARCH} - ${BUILDENV} ###" 1>&2
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| 101 | return 1
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| 102 | ;;
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| 103 | esac
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| 104 | ;;
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| 105 | n32 )
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| 106 | case ${TGT_ARCH} in
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| 107 | mips*el* ) ARCH_CFLAGS="-mabi=${BUILDENV}" ;;
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| 108 | * )
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| 109 | echo "### Unknown: ${TGT_ARCH} - ${BUILDENV} ###" 1>&2
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| 110 | return 1
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| 111 | ;;
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| 112 | esac
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| 113 | ;;
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| 114 | 31 )
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| 115 | case ${TGT_ARCH} in
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| 116 | s390* ) ARCH_CFLAGS="-m${BUILDENV}"
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| 117 | ALT_TGT="s390-${vender_os}" ;;
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| 118 | * )
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| 119 | echo "### Unknown: ${TGT_ARCH} - ${BUILDENV} ###" 1>&2
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| 120 | return 1
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| 121 | ;;
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| 122 | esac
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| 123 | ;;
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| 124 | * )
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| 125 | echo "### Unknown biarch system ###" 1>&2
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| 126 | return 1
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| 127 | ;;
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| 128 | esac
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| 129 |
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| 130 | suffix="-${BUILDENV}"
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| 131 | fi
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| 132 | }
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| 133 |
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| 134 | create_wrapper() {
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| 135 | # want one arg only, the name of the wrapper file to create
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| 136 | if [ ! "${#}" = "1" ]; then
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| 137 | echo "create_wrapper: error, use create_wrapper /path/to/wrapper" 1>&2
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| 138 | return 1
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| 139 | fi
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| 140 | wrapper=${1}
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| 141 |
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| 142 | if [ -z "${DEFAULTENV}" ]; then
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| 143 | echo "create_wrapper: error, DEFAULTENV not set" 1>&2
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| 144 | return 1
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| 145 | fi
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| 146 |
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| 147 | wrapperdir=`dirname ${wrapper}`
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| 148 | if [ ! -d ${wrapperdir} ]; then mkdir -p ${wrapperdir} ; fi
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| 149 |
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| 150 | cat > wrapper.c <<"EOF"
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| 151 | /*
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| 152 |
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| 153 | wrapper.c - c wrapper for cross-lfs multiarch handling
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| 154 | ------------------------------------------------------
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| 155 | Created By: Ryan Oliver <ryan.oliver@pha.com.au> 20050606
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| 156 |
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| 157 | $LastChangedBy$
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| 158 | $LastChangedDate$
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| 159 | $LastChangedRevision$
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| 160 | $HeadURL$
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| 161 |
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| 162 | */
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| 163 |
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| 164 | #include <unistd.h>
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| 165 | #include <stdlib.h>
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| 166 | #include <errno.h>
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| 167 |
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| 168 | /* TODO: should check for __x86_64__ , __powerpc64__ etc and set accordingly */
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| 169 | #ifndef DEFAULTENV
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| 170 | #define DEFAULTENV "64"
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| 171 | #endif
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| 172 |
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| 173 | int main(int argc, char **argv) {
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| 174 |
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| 175 | char *filename;
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| 176 | char *buildenv;
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| 177 |
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| 178 | if(!(buildenv = getenv("BUILDENV")))
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| 179 | buildenv = DEFAULTENV;
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| 180 |
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| 181 | filename = (char *) malloc(strlen(argv[0]) + strlen(buildenv) + 2);
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| 182 | strcpy(filename, argv[0]);
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| 183 | strcat(filename, "-");
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| 184 | strcat(filename, buildenv);
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| 185 |
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| 186 | execvp(filename, argv);
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| 187 | perror(argv[0]);
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| 188 | free(filename);
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| 189 |
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| 190 | }
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| 191 | EOF
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| 192 |
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| 193 | OLD_BUILDENV="${BUILDENV}"
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| 194 | BUILDENV="${DEFAULTENV}"
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| 195 | setup_multiarch
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| 196 |
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| 197 | ${CC-gcc} ${ARCH_CFLAGS} -DDEFAULTENV=\"${DEFAULTENV}\" \
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| 198 | wrapper.c -o ${wrapper}
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| 199 | chmod 755 ${wrapper}
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| 200 |
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| 201 | BUILDENV="${OLD_BUILDENV}"
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| 202 |
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| 203 | }
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| 204 |
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| 205 | use_wrapper() {
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| 206 | # Use full path
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| 207 | wrapper=/usr/bin/multilib_wrapper
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| 208 |
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| 209 | if [ "${#}" = "0" ]; then
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| 210 | echo "use_wrapper: error, no files specified" 1>&2
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| 211 | return 1
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| 212 | fi
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| 213 | if [ -z "${BUILDENV}" ]; then
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| 214 | echo "use_wrapper: error, BUILDENV not set" 1>&2
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| 215 | return 1
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| 216 | fi
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| 217 |
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| 218 | echo " o set files to use multi-arch wrapper ( ${wrapper} )"
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| 219 | if [ ! -f ${wrapper} ]; then create_wrapper ${wrapper} || return 1 ; fi
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| 220 |
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| 221 | for file in ${@} ; do
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| 222 | if [ ! -f ${file} ]; then
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| 223 | echo "use_wrapper: error, ${file} is not a regular file" 1>&2
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| 224 | return 1
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| 225 | fi
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| 226 |
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| 227 | # do the work
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| 228 | mv ${file} ${file}-${BUILDENV} &&
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| 229 | ln -sf ${wrapper} ${file} &&
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| 230 | echo " - ${file}" || {
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| 231 | echo "use_wrapper: error creating ${file}" 1>&2
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| 232 | return 1
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| 233 | }
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| 234 |
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| 235 | done
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| 236 | }
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| 237 |
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| 238 | export -f set_buildenv
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| 239 | export -f set_libdirname
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| 240 | export -f setup_multiarch
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| 241 | export -f create_wrapper
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| 242 | export -f use_wrapper
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| 243 | export -f which_func
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