1 | #!/bin/bash |
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2 | |
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3 | # functions for cross-lfs gcc builds |
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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 | gcc_specs_mod() { |
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11 | |
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12 | # LFS style build |
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13 | #---------------- |
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14 | |
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15 | # Set ARCH for header modifications. |
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16 | # Set dl_hfiles to contain the list of header file(s) requiring modification |
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17 | # of the location for the dynmamic linker. |
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18 | # Set sf_hfiles to contain the list of header file(s) where we have to define |
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19 | # startfile_prefix_spec. |
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20 | case ${TGT_ARCH} in |
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21 | i?86 | x86_64 ) |
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22 | ARCH=i386 |
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23 | dl_hfiles="${ARCH}/linux.h ${ARCH}/linux64.h" |
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24 | sf_hfiles="linux.h" |
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25 | ;; |
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26 | ia64* ) |
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27 | ARCH=ia64 |
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28 | dl_hfiles="${ARCH}/linux.h" |
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29 | sf_hfiles="linux.h" |
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30 | ;; |
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31 | powerpc* | ppc* ) |
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32 | ARCH=rs6000 |
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33 | dl_hfiles="${ARCH}/sysv4.h ${ARCH}/linux64.h" |
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34 | sf_hfiles="${ARCH}/linux.h ${ARCH}/linux64.h" |
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35 | ;; |
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36 | sparc* ) |
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37 | ARCH=sparc |
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38 | dl_hfiles="${ARCH}/linux.h ${ARCH}/linux64.h" |
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39 | sf_hfiles="${ARCH}/linux.h ${ARCH}/linux64.h" |
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40 | ;; |
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41 | alpha ) |
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42 | ARCH=alpha |
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43 | dl_hfiles="${ARCH}/linux-elf.h" |
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44 | sf_hfiles="${ARCH}/linux.h" |
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45 | ;; |
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46 | arm* ) |
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47 | ARCH=arm |
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48 | dl_hfiles="${ARCH}/linux-elf.h" |
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49 | sf_hfiles="linux.h" |
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50 | ;; |
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51 | s390* ) |
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52 | ARCH=s390 |
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53 | dl_hfiles="${ARCH}/linux.h" |
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54 | sf_hfiles="linux.h" |
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55 | ;; |
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56 | m68k ) |
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57 | ARCH=m68k |
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58 | dl_hfiles="${ARCH}/linux.h" |
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59 | sf_hfiles="linux.h" |
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60 | ;; |
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61 | m32r* ) |
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62 | ARCH=m32r |
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63 | dl_hfiles="${ARCH}/linux.h" |
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64 | sf_hfiles="linux.h" |
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65 | ;; |
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66 | mips* ) |
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67 | ARCH=mips |
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68 | dl_hfiles="${ARCH}/linux.h ${ARCH}/linux64.h" |
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69 | sf_hfiles="linux.h" |
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70 | ;; |
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71 | parisc* | hppa* ) |
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72 | ARCH=pa |
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73 | dl_hfiles="${ARCH}/pa-linux.h" |
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74 | sf_hfiles="linux.h" |
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75 | ;; |
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76 | xtensa ) |
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77 | ARCH=xtensa |
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78 | dl_hfiles="${ARCH}/linux.h" |
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79 | sf_hfiles="linux.h" |
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80 | ;; |
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81 | * ) |
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82 | # No support |
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83 | echo "No support for ${TGT_ARCH}" 1>&2 |
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84 | barf |
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85 | ;; |
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86 | esac |
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87 | |
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88 | specs_set_dynamic_linker |
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89 | specs_set_startfile_prefix_spec |
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90 | } |
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91 | |
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92 | specs_set_dynamic_linker() { |
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93 | # We want our new gcc to use our new dynamic linker |
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94 | # ( ${TGT_TOOLS}/lib/ld-linux.so.2 ) so we will need to modify |
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95 | # gcc/config/$ARCH/linux.h and or linux64.h |
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96 | # also sysv4.h for ppc and linux-elf.h for alpha |
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97 | # (where $ARCH is cpu-series type) |
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98 | # |
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99 | # LINK_SPEC needs to get defined so that |
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100 | # -dynamic-linker is ${TGT_TOOLS}/lib/ld-linux.so.2 or |
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101 | # ${TOOLS}/lib64/ld-linux.so.2# |
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102 | # This sets --dynamic-linker correctly in the generated spec file |
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103 | |
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104 | cd ${SRC}/${PKGDIR}/gcc/config |
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105 | for hfile in ${dl_hfiles} ; do |
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106 | if [ -f ${hfile} ]; then |
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107 | if [ ! -f ${hfile}-ORIG ]; then |
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108 | cp ${hfile} ${hfile}-ORIG |
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109 | fi |
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110 | |
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111 | sed -e "s@\(/lib\(\|32\|64\)\)\(/ld\(\|64\)\.so\.1\|/ld-linux\(\|-ia64\|-x86-64\)\.so\.\(1\|2\)\)@${TGT_TOOLS}&@g" \ |
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112 | -e "/elf.._sparc -Y P/s@/usr/lib@${TGT_TOOLS}/lib@g" \ |
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113 | ${hfile}-ORIG > ${hfile} |
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114 | else |
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115 | echo "${0}: specs_set_dynamic_linker" 1>&2 |
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116 | echo " header file ${hfile} does not exist" 1>&2 |
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117 | echo "" 1>&2 |
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118 | echo " Please check that the gcc_specs_mod function" 1>&2 |
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119 | echo " ( in cross-lfs/scripts/funcs/cross_gcc_funcs }" 1>&2 |
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120 | echo " is correct for your target arch." 1>&2 |
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121 | barf |
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122 | fi |
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123 | done |
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124 | |
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125 | } |
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126 | |
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127 | specs_set_startfile_prefix_spec() { |
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128 | |
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129 | # Set STARTFILE_PREFIX_SPEC appropriately. |
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130 | echo " o setting STARTFILE_PREFIX_SPEC" |
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131 | |
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132 | cd ${SRC}/${PKGDIR}/gcc/config |
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133 | for hfile in ${sf_hfiles} ; do |
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134 | if [ -f ${hfile} ]; then |
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135 | echo "" >> ${hfile} |
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136 | echo "#undef STARTFILE_PREFIX_SPEC" >> ${hfile} |
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137 | echo "#define STARTFILE_PREFIX_SPEC \"${TGT_TOOLS}/lib/\"" >> ${hfile} |
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138 | else |
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139 | echo "${0}: specs_set_startfile_prefix_spec" 1>&2 |
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140 | echo " header file ${hfile} does not exist" 1>&2 |
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141 | echo "" 1>&2 |
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142 | echo " Please check that the gcc_specs_mod function" 1>&2 |
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143 | echo " ( in cross-lfs/scripts/funcs/cross_gcc_funcs }" 1>&2 |
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144 | echo " is correct for your target arch." 1>&2 |
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145 | barf |
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146 | fi |
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147 | done |
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148 | } |
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149 | |
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150 | cpp_set_cross_system_header_dir() { |
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151 | |
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152 | # Set cpp's default include search path, and the path |
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153 | # fixincludes uses to search for headers |
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154 | echo " o setting ${TGT_TOOLS}/include as cpp's default include search dir" |
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155 | cd ${SRC}/${PKGDIR}/gcc |
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156 | test -f Makefile.in-ORIG || |
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157 | mv Makefile.in Makefile.in-ORIG |
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158 | |
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159 | sed "s@\(^CROSS_SYSTEM_HEADER_DIR =\).*@\1 ${TGT_TOOLS}/include@g" \ |
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160 | Makefile.in-ORIG > Makefile.in |
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161 | } |
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162 | |
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163 | cpp_undef_standard_include_dir() { |
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164 | |
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165 | # We need to stop cpp using /usr/include as the standard include directory |
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166 | # when cross-building a target-native gcc. |
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167 | # This is defined in gcc/cppdefault.c using STANDARD_INCLUDE_DIR |
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168 | cd ${SRC}/${PKGDIR}/gcc |
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169 | test ! -f cppdefault.c-ORIG && |
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170 | cp -p cppdefault.c cppdefault.c-ORIG |
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171 | |
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172 | sed -e '/#define STANDARD_INCLUDE_DIR/s@"/usr/include"@0@g' \ |
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173 | cppdefault.c-ORIG > cppdefault.c |
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174 | } |
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175 | |
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176 | fixincludes_set_native_system_header_dir() { |
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177 | |
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178 | # For cross-building a target native gcc. |
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179 | # Set the path fixincludes uses to search for headers |
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180 | echo " o setting NATIVE_SYSTEM_HEADER_DIR to ${TGT_TOOLS}/include" |
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181 | cd ${SRC}/${PKGDIR}/gcc |
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182 | test -f Makefile.in-ORIG || |
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183 | mv Makefile.in Makefile.in-ORIG |
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184 | |
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185 | sed "s@\(^NATIVE_SYSTEM_HEADER_DIR =\).*@\1 ${TGT_TOOLS}/include@g" \ |
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186 | Makefile.in-ORIG > Makefile.in |
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187 | |
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188 | } |
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189 | |
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190 | configure_fix_flags_for_target() { |
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191 | |
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192 | # This is only necessary if |
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193 | # o you are building a multi-lib cross-compiler |
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194 | # o you are not building into a sys-root |
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195 | # o if ${TGT_TOOLS} = ${HST_TOOLS}/${TARGET} |
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196 | # but doesn't hurt to apply in general. |
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197 | |
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198 | if [ "${TGT_TOOLS}" = "${HST_TOOLS}/${TARGET}" -a ! "${USE_SYSROOT}" = "Y" ] |
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199 | then |
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200 | |
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201 | # -B${HST_TOOLS}/${TARGET}/lib (set in FLAGS_FOR_TARGET) |
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202 | # is passed during the build, which causes issues if you are installing |
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203 | # all your target startfiles/libraries under |
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204 | # ${HST_TOOLS}/${TARGET}/lib{,32,64} |
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205 | # |
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206 | # -B takes precedence over -L and doesn't get altered by |
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207 | # the multilib spec, so you always end up linking in startfiles |
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208 | # from ${HST_TOOLS}/${TARGET}/lib when creating a shared libgcc. |
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209 | # |
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210 | # This is kinda painful when it should be, say, linking 64bit |
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211 | # startfiles in from under */lib64 when creating the 64bit shared libgcc |
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212 | # |
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213 | # Here we just remove -B*/lib from FLAGS_FOR_TARGET. |
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214 | # |
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215 | # NOTE: for gcc-3.3.3 all we had do edit was configure.in, |
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216 | # FLAGS_FOR_TARGET was only specified here. |
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217 | # As of gcc-3.4.0 we need to edit configure itself. |
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218 | # So, we'll just attempt to edit both |
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219 | |
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220 | cd ${SRC}/${PKGDIR} |
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221 | for file in configure configure.in; do |
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222 | grep FLAGS_FOR_TARGET ${file} > /dev/null 2>&1 && |
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223 | { |
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224 | test -f ${file}-ORIG || |
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225 | cp -p ${file} ${file}-ORIG |
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226 | |
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227 | sed '/FLAGS_FOR_TARGET.*\/lib\//s@-B[^ ]*/lib/@@g' \ |
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228 | ${file}-ORIG > ${file} |
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229 | } |
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230 | done |
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231 | fi |
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232 | |
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233 | } |
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234 | |
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235 | export -f specs_set_startfile_prefix_spec |
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236 | export -f specs_set_dynamic_linker |
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237 | export -f gcc_specs_mod |
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238 | |
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239 | export -f fixincludes_set_native_system_header_dir |
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240 | |
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241 | export -f cpp_set_cross_system_header_dir |
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242 | export -f cpp_undef_standard_include_dir |
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243 | export -f configure_fix_flags_for_target |
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