Mercurial > hg > aboriginal
annotate cross-compiler.sh @ 445:c2215a078923
On arm, gcc has an internal compiler error building dwarf2 exceptions in mini-native. (Yes, it dies builing _itself_.) Switch to setjmp/longjmp excpetions.
author | Rob Landley <rob@landley.net> |
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date | Mon, 03 Nov 2008 04:31:07 -0600 |
parents | 4b96ad732432 |
children | 919121ba6c5c |
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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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 # Orange |
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11 echo -e "\e[33m" |
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12 |
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13 [ -z "$BUILD_STATIC" ] || STATIC_FLAGS='--static' |
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15 # Build and install binutils |
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17 setupfor binutils build-binutils && |
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18 AR=ar AS=as LD=ld NM=nm OBJDUMP=objdump OBJCOPY=objcopy \ |
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19 "${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}-" \ |
417
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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 $CPUS install && |
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26 cd .. && |
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27 mkdir -p "${CROSS}/include" && |
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28 cp binutils/include/libiberty.h "${CROSS}/include" |
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29 |
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30 cleanup binutils build-binutils |
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31 |
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32 # Build and install gcc |
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33 |
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34 setupfor gcc-core build-gcc && |
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35 setupfor gcc-g++ build-gcc gcc-core && |
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36 AR_FOR_TARGET="${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
c2215a078923
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}-" && |
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42 make -j $CPUS all-gcc LDFLAGS="$STATIC_FLAGS" && |
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43 make -j $CPUS install-gcc && |
442
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44 cd .. |
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45 |
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46 cleanup gcc-core build-gcc |
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47 |
41 | 48 echo Fixup toolchain... && |
49 | |
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50 # Move the gcc internal libraries and headers somewhere sane. |
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51 |
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52 mkdir -p "${CROSS}"/gcc && |
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53 mv "${CROSS}"/lib/gcc/*/*/include "${CROSS}"/gcc/include && |
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54 mv "${CROSS}"/lib/gcc/*/* "${CROSS}"/gcc/lib && |
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55 ln -s ${CROSS_TARGET} ${CROSS}/tools && |
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56 ln -sf ../../../../tools/bin/ld ${CROSS}/libexec/gcc/*/*/collect2 && |
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57 |
61 | 58 # Build and install gcc wrapper script. |
41 | 59 |
60 cd "${CROSS}"/bin && | |
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61 mv "${ARCH}-gcc" "$ARCH-rawgcc" && |
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62 $CC $STATIC_FLAGS -Os -s "${SOURCES}"/toys/gcc-uClibc.c -o "${ARCH}-gcc" \ |
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63 -DGCC_UNWRAPPED_NAME='"'"$ARCH"-rawgcc'"' && |
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64 |
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65 # Wrap C++ |
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66 |
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67 mv "${ARCH}-g++" "${ARCH}-rawg++" && |
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68 rm "${ARCH}-c++" && |
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69 ln -s "${ARCH}-g++" "${ARCH}-rawc++" && |
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70 ln -s "${ARCH}-gcc" "${ARCH}-g++" && |
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71 ln -s "${ARCH}-gcc" "${ARCH}-c++" |
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72 |
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73 cleanup "${CROSS}"/{lib/gcc,{libexec/gcc,gcc/lib}/install-tools} |
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74 |
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75 # Install kernel headers. |
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76 |
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77 setupfor linux && |
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78 # Install Linux kernel headers (for use by uClibc). |
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79 make -j $CPUS headers_install ARCH="${KARCH}" INSTALL_HDR_PATH="${CROSS}" && |
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80 cd .. |
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81 |
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82 cleanup linux |
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83 |
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84 # Build and install uClibc |
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85 |
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86 setupfor uClibc |
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87 if unstable uClibc |
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88 then |
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89 CONFIGFILE=miniconfig-alt-uClibc |
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90 BUILDIT="install -j $CPUS" |
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91 else |
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92 CONFIGFILE=miniconfig-uClibc |
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93 BUILDIT="all install_runtime install_dev" |
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94 fi |
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95 |
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96 make CROSS= KCONFIG_ALLCONFIG="${CONFIG_DIR}"/$CONFIGFILE allnoconfig && |
66
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97 make CROSS="${ARCH}-" KERNEL_HEADERS="${CROSS}/include" PREFIX="${CROSS}/" \ |
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98 RUNTIME_PREFIX=/ DEVEL_PREFIX=/ $BUILDIT && |
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99 cd .. |
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100 cleanup uClibc |
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101 |
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102 |
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103 cat > "${CROSS}"/README << EOF && |
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104 Cross compiler for $ARCH |
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105 From http://landley.net/code/firmware |
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106 |
41 | 107 To use: Add the "bin" directory to your \$PATH, and use "$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 |
48 | 116 # Strip everything |
117 | |
118 cd "$CROSS" | |
119 for i in `find bin -type f` `find "$CROSS_TARGET" -type f` | |
120 do | |
121 strip "$i" 2> /dev/null | |
122 done | |
123 #for i in `find lib -type f` `find gcc/lib -type f` | |
124 #do | |
125 # "${ARCH}-strip" "$i" 2> /dev/null | |
126 #done | |
127 | |
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128 echo -n creating "build/cross-compiler-${ARCH}".tar.bz2 && |
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129 cd "${BUILD}" |
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130 { tar cjvf "cross-compiler-${ARCH}".tar.bz2 cross-compiler-"${ARCH}" || dienow |
41 | 131 } | dotprogress |
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132 |
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133 [ $? -ne 0 ] && dienow |
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134 |
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135 # A quick hello world program to test the cross-compiler out. |
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136 # Build hello.c dynamic, then static, to verify header/library paths. |
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137 |
175
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138 echo "Sanity test: building Hello World." |
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139 |
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140 "${ARCH}-gcc" -Os "${SOURCES}/toys/hello.c" -o "$WORK"/hello && |
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141 "${ARCH}-gcc" -Os -static "${SOURCES}/toys/hello.c" -o "$WORK"/hello && |
144 | 142 if which qemu-"${QEMU_TEST}" > /dev/null |
143
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143 then |
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144 [ x"$(qemu-"${QEMU_TEST}" "${WORK}"/hello)" == x"Hello world!" ] && |
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145 echo Cross-toolchain seems to work. |
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146 fi |
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147 |
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148 [ $? -ne 0 ] && dienow |
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149 |
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150 echo -e "\e[32mCross compiler toolchain build complete.\e[0m" |