1 | #!/bin/bash |
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2 | # |
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3 | # Stub Header 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 | set_stub_arch_switch() { |
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12 | # TODO: this needs to be revisited... only handles 2 arches |
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13 | case ${TGT_ARCH} in |
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14 | x86_64 ) |
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15 | LIBDIRENV=${LIBDIRENV-32} |
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16 | DEFAULTENV=${DEFAULTENV-64} |
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17 | ARCH_SWITCH=__x86_64__ |
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18 | ENV1=64 |
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19 | ENV2=32 |
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20 | ;; |
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21 | sparc* | ultrasparc* ) |
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22 | LIBDIRENV=${LIBDIRENV-32} |
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23 | DEFAULTENV=${DEFAULTENV-64} |
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24 | ARCH_SWITCH=__arch64__ |
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25 | ENV1=64 |
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26 | ENV2=32 |
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27 | ;; |
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28 | ppc* | powerpc* ) |
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29 | LIBDIRENV=${LIBDIRENV-32} |
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30 | DEFAULTENV=${DEFAULTENV-64} |
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31 | ARCH_SWITCH=__powerpc64__ |
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32 | ENV1=64 |
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33 | ENV2=32 |
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34 | ;; |
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35 | s390* ) |
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36 | LIBDIRENV=${LIBDIRENV-31} |
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37 | DEFAULTENV=${DEFAULTENV-64} |
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38 | ARCH_SWITCH=__s390x__ |
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39 | ENV1=64 |
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40 | ENV2=31 |
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41 | ;; |
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42 | * ) |
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43 | echo "set_stub_arch_switch: error, TGT_ARCH=${TGT_ARCH} unknown" 1>&2 |
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44 | return 1 |
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45 | ;; |
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46 | esac |
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47 | } |
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48 | |
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49 | create_stub_hdrs() { |
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50 | if [ "${#}" = "0" ]; then |
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51 | echo "create_stub_hdrs: error, no headers specified" 1>&2 |
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52 | return 1 |
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53 | fi |
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54 | |
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55 | if [ -z "${BUILDENV}" ]; then |
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56 | echo "create_stub_hdrs: error, BUILDENV not set" 1>&2 |
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57 | return 1 |
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58 | fi |
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59 | |
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60 | set_stub_arch_switch || return 1 |
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61 | |
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62 | echo " o creating stub headers" |
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63 | |
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64 | for file in ${@} ; do |
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65 | hdr=`basename ${file}` |
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66 | hdrdir=`dirname ${file}` |
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67 | barrier="__STUB__$( echo ${hdr} | tr [a-z]. [A-Z]_ )__" |
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68 | |
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69 | if [ ! -f ${file} ]; then |
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70 | echo "create_stub_hdrs: error, header ${file} does not exist" 1>&2 |
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71 | return 1 |
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72 | fi |
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73 | |
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74 | # If the header we are making a stub for is a stub header we created earlier, |
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75 | # do not continue as something has gone wrong... |
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76 | head -n 1 ${file} | grep "#ifndef ${barrier}" > /dev/null 2>&1 && { |
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77 | echo "create_stub_hdrs: error, ${file} is a stub header" 1>&2 |
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78 | return 1 |
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79 | } |
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80 | |
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81 | # create the dirctory to house the real header (if it does not already exist) |
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82 | if [ ! -d ${hdrdir}/${BUILDENV} ]; then |
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83 | mkdir ${hdrdir}/${BUILDENV} |
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84 | fi |
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85 | |
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86 | # move the real header |
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87 | mv ${file} ${hdrdir}/${BUILDENV} || { |
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88 | echo "create_stub_hdrs: error, unable to move ${file} to ${hdrdir}/${BUILDENV}" 1>&2 |
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89 | return 1 |
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90 | } |
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91 | |
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92 | # Generate the header stub |
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93 | |
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94 | # include barrier |
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95 | echo "#ifndef ${barrier}" > ${hdrdir}/${hdr} |
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96 | echo "#define ${barrier}" >> ${hdrdir}/${hdr} |
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97 | echo "" >> ${hdrdir}/${hdr} |
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98 | |
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99 | if [ -f ${hdrdir}/${ENV1}/${hdr} ]; then |
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100 | echo "#ifdef ${ARCH_SWITCH}" >> ${hdrdir}/${hdr} |
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101 | echo "#include \"${ENV1}/${hdr}\"" >> ${hdrdir}/${hdr} |
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102 | if [ -f ${hdrdir}/${ENV2}/${hdr} ]; then |
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103 | echo "#else" >> ${hdrdir}/${hdr} |
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104 | echo "#include \"${ENV2}/${hdr}\"" >> ${hdrdir}/${hdr} |
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105 | fi |
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106 | elif [ -f ${hdrdir}/${ENV2}/${hdr} ]; then |
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107 | echo "#ifndef ${ARCH_SWITCH}" >> ${hdrdir}/${hdr} |
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108 | echo "#include \"${ENV2}/${hdr}\"" >> ${hdrdir}/${hdr} |
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109 | else |
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110 | echo "create_stub_hdr: error, something really b0rked here" 1>&2 |
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111 | return 1 |
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112 | fi |
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113 | echo "#endif /* ${ARCH_SWITCH} */" >> ${hdrdir}/${hdr} |
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114 | |
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115 | echo "" >> ${hdrdir}/${hdr} |
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116 | echo "#endif /* ${barrier} */" >> ${hdrdir}/${hdr} |
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117 | |
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118 | echo " - ${hdrdir}/${hdr}" |
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119 | |
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120 | done |
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121 | } |
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122 | |
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123 | create_stub_hdr() { |
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124 | hdr=`basename ${1}` |
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125 | hdrdir=`dirname ${1}` |
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126 | barrier="__STUB__$( echo ${hdr} | tr [a-z]. [A-Z]_ )__" |
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127 | |
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128 | set_stub_arch_switch |
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129 | |
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130 | # setup include barrier |
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131 | echo "#ifndef ${barrier}" > ${hdrdir}/${hdr} |
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132 | echo "#define ${barrier}" >> ${hdrdir}/${hdr} |
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133 | echo "" >> ${hdrdir}/${hdr} |
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134 | |
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135 | if [ -f ${hdrdir}/${ENV1}/${hdr} ]; then |
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136 | echo "#ifdef ${ARCH_SWITCH}" >> ${hdrdir}/${hdr} |
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137 | echo "#include \"${ENV1}/${hdr}\"" >> ${hdrdir}/${hdr} |
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138 | if [ -f ${hdrdir}/${ENV2}/${hdr} ]; then |
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139 | echo "#else" >> ${hdrdir}/${hdr} |
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140 | echo "#include \"${ENV2}/${hdr}\"" >> ${hdrdir}/${hdr} |
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141 | fi |
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142 | elif [ -f ${hdrdir}/${ENV2}/${hdr} ]; then |
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143 | echo "#ifndef ${ARCH_SWITCH}" >> ${hdrdir}/${hdr} |
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144 | echo "#include \"${ENV2}/${hdr}\"" >> ${hdrdir}/${hdr} |
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145 | else |
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146 | echo "create_stub_hdr: error, something really b0rked here" 1>&2 |
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147 | return 1 |
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148 | fi |
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149 | echo "#endif /* ${ARCH_SWITCH} */" >> ${hdrdir}/${hdr} |
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150 | |
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151 | echo "" >> ${hdrdir}/${hdr} |
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152 | echo "#endif /* ${barrier} */" >> ${hdrdir}/${hdr} |
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153 | |
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154 | echo " - ${hdrdir}/${hdr}" |
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155 | |
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156 | } |
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157 | |
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158 | |
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159 | # Export functions |
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160 | export -f set_stub_arch_switch |
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161 | export -f create_stub_hdrs |
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