1 | #!/bin/bash |
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2 | |
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3 | # cross-lfs target gcc 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 | cd ${SRC} |
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12 | |
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13 | LOG="gcc-target.log" |
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14 | |
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15 | set_libdirname |
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16 | setup_multiarch |
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17 | |
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18 | if [ "${USE_SYSROOT}" = "Y" ]; then |
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19 | BUILD_PREFIX=/usr |
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20 | INSTALL_PREFIX="${LFS}${BUILD_PREFIX}" |
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21 | INSTALL_OPTIONS="DESTDIR=${LFS}" |
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22 | else |
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23 | BUILD_PREFIX=${TGT_TOOLS} |
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24 | INSTALL_PREFIX="${TGT_TOOLS}" |
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25 | INSTALL_OPTIONS="" |
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26 | fi |
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27 | |
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28 | if [ ! "${libdirname}" = "lib" ]; then |
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29 | extra_conf="${extra_conf} --libdir=${BUILD_PREFIX}/${libdirname}" |
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30 | fi |
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31 | |
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32 | if [ "Y" = "${MULTIARCH}" ]; then |
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33 | vendor_os=`echo ${TARGET} | sed 's@\([^-]*\)-\(.*\)@\2@'` |
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34 | case ${TGT_ARCH} in |
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35 | x86_64 ) |
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36 | TARGET=x86_64-${vendor_os} |
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37 | ;; |
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38 | sparc64* ) |
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39 | TARGET=sparc64-${vendor_os} |
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40 | ;; |
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41 | sparc* ) |
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42 | TARGET=sparc64-${vendor_os} |
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43 | ;; |
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44 | powerpc* | ppc* ) |
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45 | TARGET=powerpc64-${vendor_os} |
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46 | ;; |
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47 | s390* ) |
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48 | TARGET=s390x-${vendor_os} |
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49 | ;; |
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50 | mips*el* ) |
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51 | TARGET=mips64el-${vendor_os} |
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52 | ;; |
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53 | * ) |
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54 | # TODO: add some error messages etc |
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55 | barf |
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56 | ;; |
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57 | esac |
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58 | else |
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59 | # If we are not bi-arch, disable multilib |
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60 | extra_conf="${extra_conf} --enable-multilib=no" |
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61 | |
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62 | # HACK: this sets abi to n32 with mips... this should be handled |
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63 | # by the multiarch funcs somehow... and set according to DEFAULTENV |
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64 | case ${TGT_ARCH} in |
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65 | mips* ) |
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66 | extra_conf="${extra_conf} --with-abi=${DEFAULTENV}" |
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67 | ;; |
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68 | esac |
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69 | fi |
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70 | |
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71 | # if target has no floating point unit, use soft float |
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72 | if [ "${WITHOUT_FPU}" = "Y" ]; then |
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73 | extra_conf="${extra_conf} --with-float=soft" |
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74 | fi |
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75 | |
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76 | unpack_tarball gcc-${GCC_VER} |
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77 | |
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78 | #3.0 20030427 |
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79 | # Cannot trust ${GCC_VER} to supply us with the correct |
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80 | # gcc version (especially if cvs). |
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81 | # Grab it straight from version.c |
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82 | cd ${SRC}/${PKGDIR} |
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83 | target_gcc_ver=`grep version_string gcc/version.c | \ |
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84 | sed 's@.* = \(\|"\)\([0-9.]*\).*@\2@g'` |
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85 | # As of gcc4, the above doesn't cut it... check gcc/BASE-VER |
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86 | if [ -z "${target_gcc_ver}" -a -f gcc/BASE-VER ]; then |
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87 | target_gcc_ver=`cat gcc/BASE-VER` |
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88 | fi |
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89 | |
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90 | # Apply linkonce patch for gcc (should be fixed come gcc 3.4.4) |
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91 | cd ${SRC}/${PKGDIR} |
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92 | case ${target_gcc_ver} in |
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93 | 3.4.3 ) apply_patch gcc-3.4.3-linkonce-1 |
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94 | apply_patch gcc-3.4.0-arm-bigendian |
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95 | apply_patch gcc-3.4.0-arm-nolibfloat |
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96 | apply_patch gcc-3.4.0-arm-lib1asm |
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97 | apply_patch gcc-3.4.3-clean_exec_and_lib_search_paths_when_cross-1 |
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98 | ;; |
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99 | 4.0.0 ) apply_patch gcc-4.0.0-fix_tree_optimisation_PR21173 |
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100 | apply_patch gcc-4.0.0-reload_check_uninitialized_pseudos_PR20973 |
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101 | apply_patch gcc-4.0.0-clean_exec_and_lib_search_paths_when_cross-1 |
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102 | ;; |
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103 | esac |
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104 | |
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105 | # if we are using gcc-3.4x, set libexecdir to */${libdirname} |
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106 | case ${target_gcc_ver} in |
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107 | 3.4* | 4.* ) |
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108 | extra_conf="${extra_conf} --libexecdir=${BUILD_PREFIX}/${libdirname}" |
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109 | ;; |
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110 | esac |
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111 | |
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112 | # HACK: should at least check if any of these are set first |
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113 | ARCH_CFLAGS="${TGT_CFLAGS} ${ARCH_CFLAGS}" |
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114 | |
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115 | # if target is same as build host, adjust build slightly to avoid running |
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116 | # configure checks which we cannot run |
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117 | if [ "${TARGET}" = "${BUILD}" ]; then |
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118 | BUILD=`echo ${BUILD} | sed 's@\([_a-zA-Z0-9]*\)\(-[_a-zA-Z0-9]*\)\(.*\)@\1\2x\3@'` |
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119 | fi |
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120 | |
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121 | if [ ! "${USE_SYSROOT}" = "Y" ]; then |
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122 | # LFS style build |
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123 | #---------------- |
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124 | |
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125 | # source functions for required gcc modifications |
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126 | . ${SCRIPTS}/funcs/cross_gcc-funcs.sh |
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127 | |
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128 | # Alter the generated specs file to |
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129 | # o set dynamic linker to be under ${TGT_TOOLS}/lib{,32,64} |
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130 | # o set startfile_prefix_spec so we search for startfiles |
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131 | # under ${TGT_TOOLS}/lib/lib{,32,64} |
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132 | gcc_specs_mod |
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133 | |
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134 | # We need to stop cpp using /usr/include as the standard include directory. |
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135 | # This is defined in gcc/cppdefault.c using STANDARD_INCLUDE_DIR |
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136 | cpp_undef_standard_include_dir |
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137 | |
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138 | # We need to override SYSTEM_HEADER_DIR so fixincludes only fixes |
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139 | # headers under ${TGT_TOOLS} |
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140 | fixincludes_set_native_system_header_dir |
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141 | fi |
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142 | |
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143 | # HACKS |
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144 | #------- |
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145 | # This here is a hack. mklibgcc runs the created xgcc for determining |
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146 | # the multilib dirs and multilib os dirs. Only problem here is we are |
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147 | # cross building a native compiler so we cannot actually run xgcc. |
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148 | # We get around this by substituting our cross-compiler here for xgcc, |
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149 | # by rights it should have the same specs and produce the expected results |
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150 | cd ${SRC}/${PKGDIR}/gcc |
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151 | test -f mklibgcc.in-ORIG || |
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152 | mv mklibgcc.in mklibgcc.in-ORIG |
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153 | |
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154 | sed "s@\./xgcc@${HST_TOOLS}/bin/${TARGET}-gcc@g" \ |
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155 | mklibgcc.in-ORIG > mklibgcc.in |
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156 | |
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157 | # A similar problem exists when setting MULTILIBS on the environment |
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158 | # for the mklibgcc script for generation of libgcc.mk . |
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159 | # Here we will force it to use our cross-compiler to produce the results |
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160 | # of gcc --print-multi-lib |
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161 | sed -i "/MULTILIBS/s@\$(GCC_FOR_TARGET)@${HST_TOOLS}/bin/${TARGET}-gcc@g" \ |
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162 | Makefile.in |
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163 | |
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164 | # When cross-building a target native compiler we run into big issues |
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165 | # when determining assembler and linker features required for tls support, |
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166 | # ( not to mention which nm, objdump et al to use ) during the configures |
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167 | # triggered by make. |
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168 | # |
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169 | # Gcc's configury does not take into account the fact that when cross |
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170 | # building the target native compiler we are _still_ actually cross-compiling. |
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171 | # As far as it is concerned during the final configure fragment host = target, |
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172 | # it doesn't check whether host = build. |
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173 | # |
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174 | # It then performs its checks for binutils components as if this was a standard |
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175 | # host native build. |
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176 | # |
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177 | # If a target native binutils was installed before attempting to build gcc |
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178 | # it will try to use the created ld, as etc under ${TGT_TOOLS} |
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179 | # This obviously will not work, they will not run on the host. |
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180 | # |
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181 | # If the target native binutils hasn't been built yet it will use the |
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182 | # as ld et al from the _build_ host. |
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183 | # This quite frankly sucks rocks. |
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184 | # |
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185 | # The following patch fixes this behaviour, enforcing usage of our |
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186 | # cross-tools for configure checks if host = target and host != build |
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187 | # |
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188 | # NOTE: 20050507 This doesn't appear to be necessary for gcc 4.x :-) |
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189 | # This of course will have to be checked thoroughly... |
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190 | |
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191 | # TODO: Add patches for gcc-3.3 series as well |
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192 | cd ${SRC}/${PKGDIR} |
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193 | case ${target_gcc_ver} in |
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194 | 3.4* ) |
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195 | apply_patch gcc-3.4.1-fix_configure_for_target_native |
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196 | ;; |
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197 | 4.* ) |
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198 | # Testing only... set AS_FOR_TARGET and LD_FOR_TARGET so these are used |
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199 | # for feature checks... will have to check for unintended side effects |
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200 | extra_makeopts="AS_FOR_TARGET=${HST_TOOLS}/bin/${TARGET}-as" |
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201 | extra_makeopts="${extra_makeopts} LD_FOR_TARGET=${HST_TOOLS}/bin/${TARGET}-ld" |
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202 | ;; |
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203 | esac |
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204 | # |
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205 | # End HACKS |
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206 | |
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207 | test -d ${SRC}/gcc-${GCC_VER}-target && |
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208 | rm -rf ${SRC}/gcc-${GCC_VER}-target |
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209 | |
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210 | mkdir -p ${SRC}/gcc-${GCC_VER}-target && |
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211 | cd ${SRC}/gcc-${GCC_VER}-target && |
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212 | |
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213 | max_log_init Gcc ${GCC_VER} cross-pt2 ${CONFLOGS} ${LOG} |
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214 | #CONFIG_SHELL=/bin/bash \ |
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215 | CFLAGS="-O2 -pipe" \ |
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216 | CXXFLAGS="-O2 -pipe" \ |
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217 | CC="${TARGET}-gcc ${ARCH_CFLAGS}" \ |
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218 | ../${PKGDIR}/configure --prefix=${BUILD_PREFIX} \ |
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219 | --build=${BUILD} --host=${TARGET} --target=${TARGET} \ |
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220 | --enable-languages=c,c++ --enable-__cxa_atexit \ |
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221 | --enable-c99 --enable-long-long --enable-threads=posix \ |
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222 | --disable-nls --enable-shared ${extra_conf} \ |
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223 | >> ${LOGFILE} 2>&1 && |
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224 | echo " o Configure OK" || barf |
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225 | # --enable-languages=c,c++,f77,objc,ada,java,pascal,treelang --enable-__cxa_atexit \ |
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226 | # --enable-version-specific-runtime-libs \ |
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227 | |
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228 | min_log_init ${BUILDLOGS} && |
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229 | make ${PMFLAGS} BOOT_LDFLAGS="-s" BOOT_CFLAGS="-O2 ${HOST_CFLAGS} -pipe" \ |
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230 | STAGE1_CFLAGS="-O2 ${HOST_CFLAGS} -pipe" ${extra_makeopts} all \ |
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231 | >> ${LOGFILE} 2>&1 && |
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232 | echo " o Build OK" || barf |
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233 | |
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234 | min_log_init ${INSTLOGS} && |
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235 | make ${INSTALL_OPTIONS} install \ |
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236 | >> ${LOGFILE} 2>&1 && |
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237 | echo " o Install OK" || barf |
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238 | |
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239 | if [ ! "${USE_SYSROOT}" = "Y" ]; then |
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240 | # Prep new root for target native glibc build |
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241 | libdirs="${libdirname}" |
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242 | if [ "Y" = "${MULTIARCH}" ]; then libdirs="lib lib32 lib64" ; fi |
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243 | for dir in ${libdirs} ; do |
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244 | if [ -d ${TGT_TOOLS}/${dir} ]; then |
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245 | test -d ${LFS}/usr/${dir} || mkdir -p ${LFS}/usr/${dir} |
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246 | ln -sf ../..${TGT_TOOLS}/${dir}/libgcc_s.so.1 \ |
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247 | ${LFS}/usr/${dir}/libgcc_s.so.1 |
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248 | test -f ${TGT_TOOLS}/${dir}/libgcc_s.so && |
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249 | ln -sf libgcc_s.so.1 ${LFS}/usr/${dir}/libgcc_s.so |
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250 | test -f ${TGT_TOOLS}/${dir}/libgcc_s_32.so && |
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251 | ln -sf libgcc_s.so.1 ${LFS}/usr/${dir}/libgcc_s_32.so |
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252 | test -f ${TGT_TOOLS}/${dir}/libgcc_s_64.so && |
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253 | ln -sf libgcc_s.so.1 ${LFS}/usr/${dir}/libgcc_s_64.so |
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254 | fi |
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255 | done |
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256 | fi |
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257 | |
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258 | test -L ${INSTALL_PREFIX}/bin/cc || ln -s gcc ${INSTALL_PREFIX}/bin/cc |
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259 | |
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