Mercurial > hg > aboriginal
annotate sources/sections/gcc.sh @ 1127:1f51b4a0517b
The install-tools debris this script deletes wasn't there in gcc 3.x, so allow the delete to fail gracefully when USE_UNSTABLE his hooked up to an ancient version.
author | Rob Landley <rob@landley.net> |
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date | Sat, 19 Jun 2010 16:42:03 -0500 |
parents | affef1edbdba |
children | c222ae88733a |
rev | line source |
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1 # Build binutils, c wrapper, and uClibc++ |
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2 |
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3 # PROGRAM_PREFIX affects the name of the generated tools, ala "${ARCH}-". |
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4 |
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5 # Force gcc to build, largely against its will. |
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6 |
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7 setupfor gcc-core build-gcc |
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8 setupfor gcc-g++ build-gcc gcc-core |
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9 |
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10 # GCC tries to "help out in the kitchen" by screwing up the kernel include |
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11 # files. Surgery with sed to cut out that horrible idea throw it away. |
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12 |
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13 sed -i 's@^STMP_FIX.*@@' "${CURSRC}/gcc/Makefile.in" || dienow |
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14 |
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15 # The gcc ./configure manages to make the binutils one look sane. Again, |
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16 # wrap it so we can call it with different variables to beat sense out of it. |
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17 |
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18 function configure_gcc() |
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19 { |
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20 "$CURSRC/configure" --target="$CROSS_TARGET" --prefix="$STAGE_DIR" \ |
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21 --disable-multilib --disable-nls --enable-c99 --enable-long-long \ |
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22 --enable-__cxa_atexit --enable-languages=c,c++ --disable-libstdcxx-pch \ |
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23 --program-prefix="$PROGRAM_PREFIX" "$@" $GCC_FLAGS && |
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24 mkdir -p gcc && |
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25 ln -s "$(which ${CC_FOR_TARGET:-cc})" gcc/xgcc || dienow |
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26 } |
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27 |
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28 if [ -z "$HOST_ARCH" ] |
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29 then |
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30 # Produce a standard host->target cross compiler, which does not include |
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31 # thread support or libgcc_s.so to make it depend on the host less. |
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32 |
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33 # The only prerequisite for this is binutils, above. (It doesn't even |
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34 # require a C library for the target to exist yet, which is good because you |
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35 # have a chicken and egg problem otherwise. What would you have compiled |
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36 # that C library _with_?) |
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37 |
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38 AR_FOR_TARGET="${ARCH}-ar" configure_gcc \ |
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39 --disable-threads --disable-shared --host="$CROSS_HOST" |
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40 else |
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41 # Canadian cross a compiler to run on $HOST_ARCH as its host and output |
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42 # binaries for $ARCH as its target. |
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43 |
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44 # GCC has some deep assumptions here, which are wrong. Lots of redundant |
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45 # corrections are required to make it stop. |
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46 |
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47 CC="${HOST_ARCH}-cc" AR="${HOST_ARCH}-ar" AS="${HOST_ARCH}-as" \ |
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48 LD="${HOST_ARCH}-ld" NM="${HOST_ARCH}-nm" \ |
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49 CC_FOR_TARGET="${ARCH}-cc" AR_FOR_TARGET="${ARCH}-ar" \ |
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50 NM_FOR_TARGET="${ARCH}-nm" GCC_FOR_TARGET="${ARCH}-cc" \ |
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51 AS_FOR_TARGET="${ARCH}-as" LD_FOR_TARGET="${ARCH}-ld" \ |
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52 CXX_FOR_TARGET="${ARCH}-c++" \ |
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53 ac_cv_path_AR_FOR_TARGET="${ARCH}-ar" \ |
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54 ac_cv_path_RANLIB_FOR_TARGET="${ARCH}-ranlib" \ |
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55 ac_cv_path_NM_FOR_TARGET="${ARCH}-nm" \ |
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56 ac_cv_path_AS_FOR_TARGET="${ARCH}-as" \ |
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57 ac_cv_path_LD_FOR_TARGET="${ARCH}-ld" \ |
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58 configure_gcc --enable-threads=posix --enable-shared \ |
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59 --build="$CROSS_HOST" --host="$CROSS_TARGET" |
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60 fi |
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61 |
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62 # Now that it's configured, build and install gcc |
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63 |
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64 make -j $CPUS configure-host && |
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65 make -j $CPUS all-gcc LDFLAGS="$STATIC_FLAGS" && |
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66 |
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67 mkdir -p "$STAGE_DIR"/cc/lib || dienow |
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68 |
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69 if [ ! -z "$HOST_ARCH" ] |
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70 then |
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71 # We also need to beat libsupc++ out of gcc (which uClibc++ needs to build). |
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72 # But don't want to build the whole of libstdc++-v3 because |
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73 # A) we're using uClibc++ instead, B) the build breaks. |
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74 |
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75 # The libsupc++ ./configure dies if run after the simple cross compiling |
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76 # ./configure, because gcc's build system is overcomplicated crap, so skip |
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77 # the uClibc++ build first time around and only do it for the canadian cross |
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78 # builds. (The simple cross compiler still needs basic C++ support to build |
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79 # the C++ libraries with, though.) |
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80 |
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81 make -j $CPUS configure-target-libstdc++-v3 && |
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82 cd "$CROSS_TARGET"/libstdc++-v3/libsupc++ && |
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83 make -j $CPUS && |
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84 mv .libs/libsupc++.a "$STAGE_DIR"/cc/lib && |
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85 cd ../../.. || dienow |
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86 fi |
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87 |
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88 # Work around gcc bug during the install: we disabled multilib but it doesn't |
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89 # always notice. |
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90 |
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91 ln -s lib "$STAGE_DIR/lib64" && |
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92 make -j $CPUS install-gcc && |
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93 rm "$STAGE_DIR/lib64" || dienow |
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94 |
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95 # Move the gcc internal libraries and headers somewhere sane |
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96 |
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97 rm -rf "$STAGE_DIR"/lib/gcc/*/*/install-tools 2>/dev/null |
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98 mv "$STAGE_DIR"/lib/gcc/*/*/include "$STAGE_DIR"/cc/include && |
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99 mv "$STAGE_DIR"/lib/gcc/*/*/* "$STAGE_DIR"/cc/lib && |
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100 |
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101 # Move the compiler internal binaries into "tools" |
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102 ln -s "$CROSS_TARGET" "$STAGE_DIR/tools" && |
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103 cp "$STAGE_DIR/libexec/gcc/"*/*/c* "$STAGE_DIR/tools/bin" && |
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104 rm -rf "$STAGE_DIR/libexec" || dienow |
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105 |
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106 # collect2 is evil, kill it. |
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107 # ln -sf ../../../../tools/bin/ld ${STAGE_DIR}/libexec/gcc/*/*/collect2 || dienow |
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108 |
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109 # Prepare for ccwrap |
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110 |
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111 mv "$STAGE_DIR/bin/${PROGRAM_PREFIX}gcc" "$STAGE_DIR/tools/bin/cc" && |
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112 ln -sf "${PROGRAM_PREFIX}cc" "$STAGE_DIR/bin/${PROGRAM_PREFIX}gcc" && |
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113 ln -s cc "$STAGE_DIR/tools/bin/rawcc" && |
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114 |
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115 # Wrap C++ too. |
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116 |
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117 mv "$STAGE_DIR/bin/${PROGRAM_PREFIX}g++" "$STAGE_DIR/tools/bin/c++" && |
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118 ln -sf "${PROGRAM_PREFIX}cc" "$STAGE_DIR/bin/${PROGRAM_PREFIX}g++" && |
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119 ln -sf "${PROGRAM_PREFIX}cc" "$STAGE_DIR/bin/${PROGRAM_PREFIX}c++" && |
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120 ln -s c++ "$STAGE_DIR/tools/bin/raw++" || dienow |
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121 |
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122 # Make sure "tools" has everything distccd needs. |
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123 |
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124 cd "$STAGE_DIR/tools" || dienow |
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125 ln -s cc "$STAGE_DIR/tools/bin/gcc" 2>/dev/null |
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126 ln -s c++ "$STAGE_DIR/tools/bin/g++" 2>/dev/null |
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127 |
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128 rm -rf "${STAGE_DIR}"/{lib/gcc,libexec/gcc/install-tools,bin/${ARCH}-unknown-*} |
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129 |
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130 # Little dance so binary package tarball would be called "gcc", not "gcc-core". |
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131 mv "$WORK"/{*gcc-core,gcc} |
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132 PACKAGE=gcc cleanup build-gcc |