Mercurial > hg > aboriginal
annotate cross-compiler.sh @ 360:c9a9b8a25455
Only try to build $ARCH-ldd if /usr/include exists.
author | Rob Landley <rob@landley.net> |
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date | Wed, 09 Jul 2008 07:38:35 -0500 |
parents | 7f529baf0b57 |
children | 80f520811ed6 |
rev | line source |
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Three things: 1) dash->bash, 2) install cross-ldd and cross-readelf,
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1 #!/bin/bash |
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3 # Get lots of predefined environment variables and shell functions. |
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4 |
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5 source include.sh |
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7 rm -rf "${CROSS}" |
41 | 8 mkdir -p "${CROSS}" || dienow |
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10 # Orange |
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11 echo -e "\e[33m" |
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12 |
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13 # Build and install binutils |
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15 setupfor binutils build-binutils && |
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16 "${CURSRC}/configure" --prefix="${CROSS}" --host=${CROSS_HOST} \ |
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17 --target=${CROSS_TARGET} --with-lib-path=lib --disable-nls \ |
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18 --disable-shared --disable-multilib --program-prefix="${ARCH}-" \ |
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19 $BINUTILS_FLAGS && |
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20 make -j $CPUS configure-host && |
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21 make -j $CPUS && |
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22 make -j $CPUS install && |
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23 cd .. && |
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24 mkdir -p "${CROSS}/include" && |
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25 cp binutils/include/libiberty.h "${CROSS}/include" |
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26 |
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27 cleanup binutils build-binutils |
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28 |
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29 # Build and install gcc |
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30 |
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31 setupfor gcc-core build-gcc && |
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32 AR_FOR_TARGET="${ARCH}-ar" "${CURSRC}/configure" $GCC_FLAGS \ |
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33 --prefix="${CROSS}" --host=${CROSS_HOST} --target=${CROSS_TARGET} \ |
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34 --enable-languages=c --disable-threads --disable-multilib \ |
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35 --disable-nls --disable-shared --program-prefix="${ARCH}-" && |
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36 make -j $CPUS all-gcc && |
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37 make -j $CPUS install-gcc && |
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38 cd .. && |
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39 |
41 | 40 echo Fixup toolchain... && |
41 | |
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42 # Write this out as a script snippet for debugging purposes. |
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43 |
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44 cat > fixup-toolchain.sh << EOF && |
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45 # Move the gcc internal libraries and headers somewhere sane. |
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46 |
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47 mkdir -p "${CROSS}"/gcc && |
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48 mv "${CROSS}"/lib/gcc/*/*/include "${CROSS}"/gcc/include && |
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49 mv "${CROSS}"/lib/gcc/*/* "${CROSS}"/gcc/lib && |
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50 ln -s ${CROSS_TARGET} ${CROSS}/tools && |
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51 ln -sf ../../../../tools/bin/ld ${CROSS}/libexec/gcc/*/*/collect2 && |
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52 rm -rf "${CROSS}"/{lib/gcc,gcc/lib/install-tools} && |
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53 |
61 | 54 # Build and install gcc wrapper script. |
41 | 55 |
56 cd "${CROSS}"/bin && | |
57 mv "${ARCH}-gcc" gcc-unwrapped && | |
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58 $CC -Os -s "${SOURCES}"/toys/gcc-uClibc.c -o "${ARCH}-gcc" |
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59 EOF |
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60 |
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61 # Run toolchain fixup and cleanup |
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62 |
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63 chmod +x fixup-toolchain.sh && |
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64 ./fixup-toolchain.sh |
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65 |
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66 cleanup "${CURSRC}" build-gcc |
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67 |
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68 # Set up symlinks for distcc |
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69 |
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70 mkdir -p "${CROSS}/distcc" && |
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71 ln -s ../bin/gcc-unwrapped "${CROSS}/distcc/cc" && |
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72 ln -s ../bin/gcc-unwrapped "${CROSS}/distcc/gcc" |
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73 |
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74 [ $? -ne 0 ] && dienow |
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75 |
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76 # Install kernel headers. |
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77 |
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78 setupfor linux && |
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79 # Install Linux kernel headers (for use by uClibc). |
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80 make -j $CPUS headers_install ARCH="${KARCH}" INSTALL_HDR_PATH="${CROSS}" && |
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81 cd .. |
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82 |
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83 cleanup linux |
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84 |
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85 # Build and install uClibc |
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86 |
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87 setupfor uClibc |
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88 |
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89 if [ -e /usr/include ] |
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90 then |
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91 # "make utils" in uClibc is broken for cross compiling. Either it creates a |
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92 # target binary (which you can't run on the host), or it tries to link the |
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93 # host binary against the target library, and use the target compiler flags |
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94 # (neither of which is going to produce a working host binary). The solution |
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95 # is to bypass the broken build entirely, and do it by hand. |
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96 make CROSS= allnoconfig && |
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97 make CROSS= headers KERNEL_HEADERS=/usr/include && |
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98 $CC -Os -s -I include utils/readelf.c -o "${CROSS}/bin/${ARCH}-readelf" && |
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99 $CC -Os -s -I ldso/include utils/ldd.c -o "${CROSS}/bin/${ARCH}-ldd" && |
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100 make CROSS= distclean |
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101 |
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102 [ $? -ne 0 ] && dienow |
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103 fi |
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104 |
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105 make CROSS= allnoconfig KCONFIG_ALLCONFIG="${WORK}"/miniconfig-uClibc && |
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106 # Can't use -j here, build is unstable. |
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107 make CROSS="${ARCH}-" KERNEL_HEADERS="${CROSS}/include" PREFIX="${CROSS}/" \ |
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108 RUNTIME_PREFIX=/ DEVEL_PREFIX=/ all install_runtime install_dev && |
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109 cd .. |
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110 |
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111 cleanup uClibc |
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112 |
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113 cat > "${CROSS}"/README << EOF && |
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114 Cross compiler for $ARCH |
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115 From http://landley.net/code/firmware |
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116 |
41 | 117 To use: Add the "bin" directory to your \$PATH, and use "$ARCH-gcc" as |
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118 your compiler. |
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119 |
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120 The syntax used to build the Linux kernel is: |
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121 |
41 | 122 make ARCH=${KARCH} CROSS_COMPILE=${ARCH}- |
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123 |
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124 EOF |
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125 |
48 | 126 # Strip everything |
127 | |
128 cd "$CROSS" | |
129 for i in `find bin -type f` `find "$CROSS_TARGET" -type f` | |
130 do | |
131 strip "$i" 2> /dev/null | |
132 done | |
133 #for i in `find lib -type f` `find gcc/lib -type f` | |
134 #do | |
135 # "${ARCH}-strip" "$i" 2> /dev/null | |
136 #done | |
137 | |
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138 echo -n creating "build/cross-compiler-${ARCH}".tar.bz2 && |
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139 cd "${BUILD}" |
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140 { tar cjvf "cross-compiler-${ARCH}".tar.bz2 cross-compiler-"${ARCH}" || dienow |
41 | 141 } | dotprogress |
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142 |
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143 [ $? -ne 0 ] && dienow |
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144 |
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145 # A quick hello world program to test the cross-compiler out. |
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146 # Build hello.c dynamic, then static, to verify header/library paths. |
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147 |
175
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148 echo "Sanity test: building Hello World." |
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149 |
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150 "${ARCH}-gcc" -Os "${SOURCES}/toys/hello.c" -o "$WORK"/hello && |
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151 "${ARCH}-gcc" -Os -static "${SOURCES}/toys/hello.c" -o "$WORK"/hello && |
144 | 152 if which qemu-"${QEMU_TEST}" > /dev/null |
143
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153 then |
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154 [ x"$(qemu-"${QEMU_TEST}" "${WORK}"/hello)" == x"Hello world!" ] && |
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155 echo Cross-toolchain seems to work. |
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156 fi |
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157 |
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158 [ $? -ne 0 ] && dienow |
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159 |
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160 echo -e "\e[32mCross compiler toolchain build complete.\e[0m" |