Mercurial > hg > aboriginal
annotate cross-compiler.sh @ 530:ea7a010e5c47
Add ldd/readelf/ldconfig to cross and native toolchains, and teach build to fallback to stable miniconfig when miniconfig-alt is absent.
author | Rob Landley <rob@landley.net> |
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date | Wed, 10 Dec 2008 05:36:41 -0600 |
parents | 58e9523a775d |
children | d0b059fd91a8 |
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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Cleaup pass: Break out shell functions and variable definitions into include.sh.
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3 # Get lots of predefined environment variables and shell functions. |
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4 |
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Move include.sh to sources/include.sh. End user doesn't call it directly, shouldn't be at top level.
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5 source sources/include.sh |
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96
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Delete output directories on re-run, teach build to log and build multiple
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7 rm -rf "${CROSS}" |
41 | 8 mkdir -p "${CROSS}" || dienow |
9 | |
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10 echo -e "$CROSS_COLOR" |
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11 echo "=== Building cross compiler" |
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12 |
482
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Rename CROSS_BUILD_STATIC, NATIVE_NOTOOLSDIR, NATIVE_NOTOOLCHAIN and make them work properly.
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13 [ -z "$CROSS_BUILD_STATIC" ] || STATIC_FLAGS='--static' |
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15 # Build and install binutils |
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17 setupfor binutils build-binutils && |
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18 AR=ar AS=as LD=ld NM=nm OBJDUMP=objdump OBJCOPY=objcopy \ |
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19 "${CURSRC}/configure" --prefix="${CROSS}" --host=${CROSS_HOST} \ |
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20 --target=${CROSS_TARGET} --with-lib-path=lib --disable-nls \ |
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21 --disable-shared --disable-multilib --program-prefix="${ARCH}-" \ |
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No shipping package should ever use -Werror, no idea what new gcc versions will decide to warn on. (Fixes build on ubuntu 8.10.)
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22 --disable-werror $BINUTILS_FLAGS && |
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23 make -j $CPUS configure-host && |
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24 make -j $CPUS CFLAGS="-O2 $STATIC_FLAGS" && |
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25 make -j $CPUS install && |
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26 cd .. && |
33
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27 mkdir -p "${CROSS}/include" && |
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28 cp binutils/include/libiberty.h "${CROSS}/include" |
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29 |
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30 cleanup binutils build-binutils |
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18
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32 # Build and install gcc |
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33 |
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34 setupfor gcc-core build-gcc && |
442
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35 setupfor gcc-g++ build-gcc gcc-core && |
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36 AR_FOR_TARGET="${ARCH}-ar" "${CURSRC}/configure" $GCC_FLAGS \ |
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37 --prefix="${CROSS}" --host=${CROSS_HOST} --target=${CROSS_TARGET} \ |
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38 --enable-languages=c,c++ --enable-long-long --enable-c99 \ |
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39 --disable-shared --disable-threads --disable-nls --disable-multilib \ |
445
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On arm, gcc has an internal compiler error building dwarf2 exceptions in mini-native. (Yes, it dies builing _itself_.) Switch to setjmp/longjmp excpetions.
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40 --enable-__cxa_atexit --disable-libstdcxx-pch --enable-sjlj-exceptions \ |
442
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41 --program-prefix="${ARCH}-" && |
487
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42 |
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43 # Try to convince gcc build process not to rebuild itself with itself. |
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44 mkdir -p gcc && |
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45 ln -s `which gcc` gcc/xgcc && |
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46 |
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47 make -j $CPUS all-gcc LDFLAGS="$STATIC_FLAGS" && |
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48 make -j $CPUS install-gcc && |
442
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49 cd .. |
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50 |
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51 cleanup gcc-core build-gcc |
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52 |
41 | 53 echo Fixup toolchain... && |
54 | |
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55 # Move the gcc internal libraries and headers somewhere sane. |
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56 |
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57 mkdir -p "${CROSS}"/gcc && |
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58 mv "${CROSS}"/lib/gcc/*/*/include "${CROSS}"/gcc/include && |
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59 mv "${CROSS}"/lib/gcc/*/* "${CROSS}"/gcc/lib && |
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60 ln -s ${CROSS_TARGET} ${CROSS}/tools && |
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61 ln -sf ../../../../tools/bin/ld ${CROSS}/libexec/gcc/*/*/collect2 && |
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62 |
61 | 63 # Build and install gcc wrapper script. |
41 | 64 |
65 cd "${CROSS}"/bin && | |
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66 mv "${ARCH}-gcc" "$ARCH-rawgcc" && |
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67 $CC $STATIC_FLAGS -Os -s "${SOURCES}"/toys/gcc-uClibc.c -o "${ARCH}-gcc" \ |
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68 -DGCC_UNWRAPPED_NAME='"'"$ARCH"-rawgcc'"' && |
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69 |
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70 # Wrap C++ |
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71 |
442
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72 mv "${ARCH}-g++" "${ARCH}-rawg++" && |
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73 rm "${ARCH}-c++" && |
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74 ln -s "${ARCH}-g++" "${ARCH}-rawc++" && |
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75 ln -s "${ARCH}-gcc" "${ARCH}-g++" && |
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76 ln -s "${ARCH}-gcc" "${ARCH}-c++" |
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77 |
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78 cleanup "${CROSS}"/{lib/gcc,{libexec/gcc,gcc/lib}/install-tools} |
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79 |
85
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Switch config-linux to miniconfig-linux. Adjust the build and config scripts,
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80 # Install kernel headers. |
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81 |
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82 setupfor linux && |
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83 # Install Linux kernel headers (for use by uClibc). |
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84 make -j $CPUS headers_install ARCH="${KARCH}" INSTALL_HDR_PATH="${CROSS}" && |
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85 cd .. |
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86 |
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87 cleanup linux |
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88 |
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89 # Build and install uClibc |
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90 |
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91 setupfor uClibc |
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92 make CROSS= KCONFIG_ALLCONFIG="$(getconfig uClibc)" allnoconfig && |
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93 make CROSS="${ARCH}-" KERNEL_HEADERS="${CROSS}/include" PREFIX="${CROSS}/" \ |
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94 RUNTIME_PREFIX=/ DEVEL_PREFIX=/ -j $CPUS install hostutils || dienow |
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95 for i in $(cd utils; ls *.host | sed 's/\.host//') |
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96 do |
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97 cp utils/"$i".host "$CROSS/bin/$ARCH-$i" || dienow |
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98 done |
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99 cd .. |
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100 |
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101 cleanup uClibc |
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102 |
38
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Apparently "" around EOF also disables variable substitution, not just ''.
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103 cat > "${CROSS}"/README << EOF && |
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104 Cross compiler for $ARCH |
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105 From http://impactlinux.com/fwl |
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106 |
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107 To use: Add the "bin" subdirectory to your \$PATH, and use "$ARCH-gcc" as |
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108 your compiler. |
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109 |
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110 The syntax used to build the Linux kernel is: |
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111 |
41 | 112 make ARCH=${KARCH} CROSS_COMPILE=${ARCH}- |
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113 |
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114 EOF |
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115 |
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116 # Strip the binaries |
48 | 117 |
118 cd "$CROSS" | |
119 for i in `find bin -type f` `find "$CROSS_TARGET" -type f` | |
120 do | |
121 strip "$i" 2> /dev/null | |
122 done | |
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123 |
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124 # Tar it up |
48 | 125 |
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126 echo -n creating "build/cross-compiler-${ARCH}".tar.bz2 && |
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127 cd "${BUILD}" |
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128 { tar cjvf "cross-compiler-${ARCH}".tar.bz2 cross-compiler-"${ARCH}" || dienow |
41 | 129 } | dotprogress |
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130 |
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131 # A quick hello world program to test the cross-compiler out. |
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132 # Build hello.c dynamic, then static, to verify header/library paths. |
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133 |
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134 echo "Sanity test: building Hello World." |
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135 |
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136 "${ARCH}-gcc" -Os "${SOURCES}/toys/hello.c" -o "$WORK"/hello && |
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137 "${ARCH}-gcc" -Os -static "${SOURCES}/toys/hello.c" -o "$WORK"/hello && |
144 | 138 if which qemu-"${QEMU_TEST}" > /dev/null |
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139 then |
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140 [ x"$(qemu-"${QEMU_TEST}" "${WORK}"/hello)" == x"Hello world!" ] && |
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141 echo Cross-toolchain seems to work. |
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142 fi |
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143 |
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144 [ $? -ne 0 ] && dienow |
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145 |
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146 echo -e "\e[32mCross compiler toolchain build complete.\e[0m" |