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 | # Following function sets compiler options |
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56 | setup_multiarch() { |
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57 | if [ "Y" = "${MULTIARCH}" ]; then |
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58 | vendor_os=`echo ${TARGET} | sed 's@\([^-]*\)-\(.*\)@\2@'` |
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59 | TGT_ARCH=`echo ${TARGET} | sed 's@\([^-]*\).*@\1@'` |
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60 | |
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61 | ARCH_CFLAGS="" |
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62 | ALT_TGT="" |
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63 | |
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64 | case ${BUILDENV} in |
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65 | 64 ) |
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66 | case ${TGT_ARCH} in |
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67 | x86_64 ) ARCH_CFLAGS="-m${BUILDENV}" |
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68 | ARCH_LDFLAGS="-m elf_x86_64" ;; |
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69 | powerpc* | ppc* | s390* ) |
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70 | ARCH_CFLAGS="-m${BUILDENV}" ;; |
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71 | sparc* ) ARCH_CFLAGS="-m${BUILDENV}" |
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72 | ALT_TGT=sparc64-${vendor_os} ;; |
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73 | mips*el* ) ARCH_CFLAGS="-mabi=${BUILDENV}" |
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74 | ALT_TGT="mips64el-${vendor_os}" ;; |
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75 | * ) |
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76 | echo "### Unknown: ${TGT_ARCH} - ${BUILDENV} ###" 1>&2 |
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77 | return 1 |
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78 | ;; |
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79 | esac |
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80 | ;; |
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81 | 32 ) |
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82 | case ${TGT_ARCH} in |
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83 | x86_64 | x86-64 ) ARCH_CFLAGS="-m${BUILDENV}" |
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84 | ARCH_LDFLAGS="-m elf_i386" |
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85 | ALT_TGT="i686-${vendor_os}" ;; |
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86 | powerpc* | ppc* ) ARCH_CFLAGS="-m${BUILDENV}" |
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87 | ALT_TGT="ppc-${vendor_os}" ;; |
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88 | sparc* ) ARCH_CFLAGS="-m${BUILDENV}" |
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89 | ALT_TGT="sparcv9-${vendor_os}" ;; |
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90 | mips*el* ) ARCH_CFLAGS="-mabi=${BUILDENV}" |
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91 | ALT_TGT="mipsel-${vendor_os}" ;; |
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92 | * ) |
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93 | echo "### Unknown: ${TGT_ARCH} - ${BUILDENV} ###" 1>&2 |
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94 | return 1 |
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95 | ;; |
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96 | esac |
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97 | ;; |
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98 | n32 ) |
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99 | case ${TGT_ARCH} in |
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100 | mips*el* ) ARCH_CFLAGS="-mabi=${BUILDENV}" ;; |
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101 | * ) |
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102 | echo "### Unknown: ${TGT_ARCH} - ${BUILDENV} ###" 1>&2 |
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103 | return 1 |
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104 | ;; |
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105 | esac |
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106 | ;; |
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107 | 31 ) |
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108 | case ${TGT_ARCH} in |
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109 | s390* ) ARCH_CFLAGS="-m${BUILDENV}" |
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110 | ALT_TGT="s390-${vender_os}" ;; |
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111 | * ) |
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112 | echo "### Unknown: ${TGT_ARCH} - ${BUILDENV} ###" 1>&2 |
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113 | return 1 |
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114 | ;; |
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115 | esac |
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116 | ;; |
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117 | * ) |
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118 | echo "### Unknown biarch system ###" 1>&2 |
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119 | return 1 |
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120 | ;; |
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121 | esac |
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122 | |
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123 | suffix="-${BUILDENV}" |
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124 | fi |
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125 | } |
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126 | |
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127 | create_wrapper() { |
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128 | # want one arg only, the name of the wrapper file to create |
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129 | if [ ! "${#}" = "1" ]; then |
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130 | echo "create_wrapper: error, use create_wrapper /path/to/wrapper" 1>&2 |
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131 | return 1 |
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132 | fi |
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133 | wrapper=${1} |
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134 | |
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135 | if [ -z "${DEFAULTENV}" ]; then |
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136 | echo "create_wrapper: error, DEFAULTENV not set" 1>&2 |
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137 | return 1 |
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138 | fi |
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139 | |
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140 | wrapperdir=`dirname ${wrapper}` |
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141 | if [ ! -d ${wrapperdir} ]; then mkdir -p ${wrapperdir} ; fi |
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142 | |
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143 | cat > wrapper.c <<"EOF" |
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144 | /* |
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145 | |
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146 | wrapper.c - c wrapper for cross-lfs multiarch handling |
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147 | ------------------------------------------------------ |
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148 | Created By: Ryan Oliver <ryan.oliver@pha.com.au> 20050606 |
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149 | |
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150 | $LastChangedBy$ |
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151 | $LastChangedDate$ |
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152 | $LastChangedRevision$ |
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153 | $HeadURL$ |
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154 | |
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155 | */ |
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156 | |
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157 | #include <unistd.h> |
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158 | #include <stdlib.h> |
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159 | #include <errno.h> |
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160 | |
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161 | /* TODO: should check for __x86_64__ , __powerpc64__ etc and set accordingly */ |
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162 | #ifndef DEFAULTENV |
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163 | #define DEFAULTENV "64" |
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164 | #endif |
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165 | |
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166 | int main(int argc, char **argv) { |
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167 | |
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168 | char *filename; |
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169 | char *buildenv; |
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170 | |
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171 | if(!(buildenv = getenv("BUILDENV"))) |
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172 | buildenv = DEFAULTENV; |
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173 | |
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174 | filename = (char *) malloc(strlen(argv[0]) + strlen(buildenv) + 2); |
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175 | strcpy(filename, argv[0]); |
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176 | strcat(filename, "-"); |
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177 | strcat(filename, buildenv); |
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178 | |
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179 | execvp(filename, argv); |
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180 | perror(argv[0]); |
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181 | free(filename); |
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182 | |
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183 | } |
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184 | EOF |
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185 | |
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186 | OLD_BUILDENV="${BUILDENV}" |
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187 | BUILDENV="${DEFAULTENV}" |
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188 | setup_multiarch |
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189 | |
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190 | ${CC-gcc} ${ARCH_CFLAGS} -DDEFAULTENV=\"${DEFAULTENV}\" \ |
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191 | wrapper.c -o ${wrapper} |
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192 | chmod 755 ${wrapper} |
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193 | |
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194 | BUILDENV="${OLD_BUILDENV}" |
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195 | |
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196 | } |
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197 | |
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198 | use_wrapper() { |
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199 | # Use full path |
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200 | wrapper=/usr/bin/multilib_wrapper |
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201 | |
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202 | if [ "${#}" = "0" ]; then |
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203 | echo "use_wrapper: error, no files specified" 1>&2 |
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204 | return 1 |
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205 | fi |
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206 | if [ -z "${BUILDENV}" ]; then |
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207 | echo "use_wrapper: error, BUILDENV not set" 1>&2 |
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208 | return 1 |
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209 | fi |
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210 | |
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211 | echo " o set files to use multi-arch wrapper ( ${wrapper} )" |
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212 | if [ ! -f ${wrapper} ]; then create_wrapper ${wrapper} || return 1 ; fi |
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213 | |
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214 | for file in ${@} ; do |
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215 | if [ ! -f ${file} ]; then |
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216 | echo "use_wrapper: error, ${file} is not a regular file" 1>&2 |
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217 | return 1 |
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218 | fi |
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219 | |
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220 | # do the work |
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221 | mv ${file} ${file}-${BUILDENV} && |
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222 | ln -sf ${wrapper} ${file} && |
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223 | echo " - ${file}" || { |
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224 | echo "use_wrapper: error creating ${file}" 1>&2 |
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225 | return 1 |
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226 | } |
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227 | |
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228 | done |
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229 | } |
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230 | |
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231 | export -f set_buildenv |
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232 | export -f set_libdirname |
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233 | export -f setup_multiarch |
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234 | export -f create_wrapper |
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235 | export -f use_wrapper |
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