annotate root-filesystem.sh @ 819:da1ebb2e22d3

Part one of the great refactoring, breaking out the uClibc build so it isn't repeated in two places.
author Rob Landley <rob@landley.net>
date Sat, 12 Sep 2009 20:56:01 -0500
parents 8129df56091b
children d1a88d878e18
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6b4844b708b9 dash->bash.
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1 #!/bin/bash
43
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2
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3 # Get lots of predefined environment variables and shell functions.
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4
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1cf41855bb85 More error checking.
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5 source sources/include.sh || exit 1
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6
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7 # Parse the sources/targets/$1 directory
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8
759adf5a0fe9 Refactor so include.sh mostly just sets environment variables. Move read_arch_dir to function and call it explicitly (no more need for $NO_ARCH). Make blank_tempdir a function, called explicitly by stages when needed, with some sanity checks. Insert prerequisite tests to later stages so they can detect failure early and provide an explicit erro rmessage, and have those tests happen before blanking $WORK dir, to preserve debugging info. Make buildall.sh depend on prerequisite tests rather than trying to avoid calling later stages (and thus do flow control from asynchronous context). Add FAIL_QUIET option so buildall.sh doesn't spam the log with the new prerequisite error messages.
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9 read_arch_dir "$1"
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10
759adf5a0fe9 Refactor so include.sh mostly just sets environment variables. Move read_arch_dir to function and call it explicitly (no more need for $NO_ARCH). Make blank_tempdir a function, called explicitly by stages when needed, with some sanity checks. Insert prerequisite tests to later stages so they can detect failure early and provide an explicit erro rmessage, and have those tests happen before blanking $WORK dir, to preserve debugging info. Make buildall.sh depend on prerequisite tests rather than trying to avoid calling later stages (and thus do flow control from asynchronous context). Add FAIL_QUIET option so buildall.sh doesn't spam the log with the new prerequisite error messages.
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11 # If this target has a base architecture that's already been built, use that.
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12
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13 check_for_base_arch || exit 0
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14
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15 # Die if our prerequisite isn't there.
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16
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17 for i in "$ARCH" "$FROM_ARCH"
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18 do
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19 if [ -z "$(which "${i}-cc")" ]
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20 then
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21 [ -z "$FAIL_QUIET" ] && echo No "${i}-cc" in '$PATH'. >&2
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22 exit 1
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23 fi
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24 done
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25
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26 # Announce start of stage.
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27
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28 echo -e "$NATIVE_COLOR"
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29 echo "=== Building $STAGE_NAME"
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31 blank_tempdir "$STAGE_DIR"
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32 blank_tempdir "$WORK"
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33
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34 # Determine which directory layout we're using
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35
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36 if [ -z "$ROOT_NODIRS" ]
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37 then
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38 ROOT_TOPDIR="$STAGE_DIR/usr"
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39 mkdir -p "$STAGE_DIR"/{tmp,proc,sys,dev,home} || dienow
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40 for i in bin sbin lib etc
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41 do
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42 mkdir -p "$ROOT_TOPDIR/$i" || dienow
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43 ln -s "usr/$i" "$STAGE_DIR/$i" || dienow
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44 done
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45 else
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46 ROOT_TOPDIR="$STAGE_DIR"
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47 mkdir -p "$STAGE_DIR/bin" || dienow
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48 fi
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50 # Build uClibc
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51
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52 STAGE_DIR="$ROOT_TOPDIR" . "$SOURCES"/sections/uClibc.sh
50
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53
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54 if [ "$NATIVE_TOOLCHAIN" == "none" ]
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55 then
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56 # If we're not installing a compiler, delete the headers, static libs,
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57 # and example source code.
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58
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59 rm -rf "$ROOT_TOPDIR"/include &&
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60 rm -rf "$ROOT_TOPDIR"/lib/*.a &&
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61 rm -rf "$ROOT_TOPDIR/src" || dienow
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63 elif [ "$NATIVE_TOOLCHAIN" == "headers" ]
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64 then
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65
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66 # If you want to use a compiler other than gcc, you need to keep the headers,
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67 # so do nothing here.
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68 echo
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69
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70 else
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71
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72 # Build and install native binutils
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73
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74 setupfor binutils build-binutils
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75 CC="${FROM_ARCH}-cc" AR="${FROM_ARCH}-ar" "${CURSRC}/configure" --prefix="$ROOT_TOPDIR" \
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76 --build="${CROSS_HOST}" --host="${FROM_HOST}" --target="${CROSS_TARGET}" \
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77 --disable-nls --disable-shared --disable-multilib --disable-werror \
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78 --program-prefix="$PROGRAM_PREFIX" $BINUTILS_FLAGS &&
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79 make -j $CPUS configure-host &&
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80 make -j $CPUS CFLAGS="-O2 $STATIC_FLAGS" &&
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81 make -j $CPUS install &&
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82 mkdir -p "$ROOT_TOPDIR/include" &&
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83 cp "$CURSRC/include/libiberty.h" "$ROOT_TOPDIR/include"
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84
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85 cleanup build-binutils
43
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86
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87 # Build and install native gcc, with c++ support this time.
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88
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89 setupfor gcc-core build-gcc
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90 setupfor gcc-g++ build-gcc gcc-core
50
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91 # GCC tries to "help out in the kitchen" by screwing up the linux include
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92 # files. Cut out those bits with sed and throw them away.
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93 sed -i 's@^STMP_FIX.*@@' "${CURSRC}/gcc/Makefile.in" &&
46
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94 # GCC has some deep assumptions about the name of the cross-compiler it should
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95 # be using. These assumptions are wrong, and lots of redundant corrections
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96 # are required to make it stop.
737
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97 CC="${FROM_ARCH}-cc" AR="${FROM_ARCH}-ar" AS="${FROM_ARCH}-as" \
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98 LD="${FROM_ARCH}-ld" NM="${FROM_ARCH}-nm" \
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99 CC_FOR_TARGET="${ARCH}-cc" AR_FOR_TARGET="${ARCH}-ar" \
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5f5c3747f475 Use $ARCH-cc instead of $ARCH-gcc where possible. (pcc, llvm, tcc, qcc...)
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diff changeset
100 NM_FOR_TARGET="${ARCH}-nm" GCC_FOR_TARGET="${ARCH}-cc" \
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34f9a88336a8 Move stable to gcc-4.2.1, and use an even _bigger_ hammer to make canadian builds work with that. (./configure sucks even _more_ in this version, big shock there.)
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101 AS_FOR_TARGET="${ARCH}-as" LD_FOR_TARGET="${ARCH}-ld" \
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diff changeset
102 CXX_FOR_TARGET="${ARCH}-g++" \
632
4ab92aee351c Gcc 4.2 needs three more environment variables set to emit a native compiler.
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parents: 626
diff changeset
103 ac_cv_path_AR_FOR_TARGET="${ARCH}-ar" \
4ab92aee351c Gcc 4.2 needs three more environment variables set to emit a native compiler.
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diff changeset
104 ac_cv_path_RANLIB_FOR_TARGET="${ARCH}-ranlib" \
4ab92aee351c Gcc 4.2 needs three more environment variables set to emit a native compiler.
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parents: 626
diff changeset
105 ac_cv_path_NM_FOR_TARGET="${ARCH}-nm" \
749
34f9a88336a8 Move stable to gcc-4.2.1, and use an even _bigger_ hammer to make canadian builds work with that. (./configure sucks even _more_ in this version, big shock there.)
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parents: 744
diff changeset
106 ac_cv_path_AS_FOR_TARGET="${ARCH}-as" \
34f9a88336a8 Move stable to gcc-4.2.1, and use an even _bigger_ hammer to make canadian builds work with that. (./configure sucks even _more_ in this version, big shock there.)
Rob Landley <rob@landley.net>
parents: 744
diff changeset
107 ac_cv_path_LD_FOR_TARGET="${ARCH}-ld" \
783
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108 "${CURSRC}/configure" --prefix="$ROOT_TOPDIR" --disable-multilib \
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109 --build="${CROSS_HOST}" --host="${CROSS_TARGET}" --target="${CROSS_TARGET}" \
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110 --enable-long-long --enable-c99 --enable-shared --enable-threads=posix \
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111 --enable-__cxa_atexit --disable-nls --enable-languages=c,c++ \
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parents: 713
diff changeset
112 --disable-libstdcxx-pch --program-prefix="$PROGRAM_PREFIX" \
443
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Rob Landley <rob@landley.net>
parents: 432
diff changeset
113 $GCC_FLAGS &&
517
89b2e2c55b28 Give mini-native.sh the same xgcc bypass trick cross-compiler.sh uses.
Rob Landley <rob@landley.net>
parents: 516
diff changeset
114 mkdir gcc &&
89b2e2c55b28 Give mini-native.sh the same xgcc bypass trick cross-compiler.sh uses.
Rob Landley <rob@landley.net>
parents: 516
diff changeset
115 ln -s `which "${ARCH}-gcc"` gcc/xgcc &&
293
cdd26f8acc35 Update to gcc 4.1.2->4.2.2. Still doesn't fix the internal compiler error
Rob Landley <rob@landley.net>
parents: 284
diff changeset
116 make -j $CPUS configure-host &&
714
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parents: 713
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117 make -j $CPUS all-gcc LDFLAGS="$STATIC_FLAGS" &&
456
2a308aa24aec Make gcc stop putting stuff in a lib64 directory on x86-64 even when we --disable-multilib, and remove spurious uClibc warnings about trying to use the cross compiler to "make allnoconfig".
Rob Landley <rob@landley.net>
parents: 453
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118 # Work around gcc bug; we disabled multilib but it doesn't always notice.
783
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119 ln -s lib "$ROOT_TOPDIR/lib64" &&
293
cdd26f8acc35 Update to gcc 4.1.2->4.2.2. Still doesn't fix the internal compiler error
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diff changeset
120 make -j $CPUS install-gcc &&
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121 rm "$ROOT_TOPDIR/lib64" &&
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diff changeset
122 ln -s "${PROGRAM_PREFIX}gcc" "$ROOT_TOPDIR/bin/${PROGRAM_PREFIX}cc" &&
443
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parents: 432
diff changeset
123 # Now we need to beat libsupc++ out of gcc (which uClibc++ needs to build).
716b7af6d8c3 Build libsupc++.a in preparation for building uClibc++.
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124 # But don't want to build the whole of libstdc++-v3 because
716b7af6d8c3 Build libsupc++.a in preparation for building uClibc++.
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125 # A) we're using uClibc++ instead, B) the build breaks.
716b7af6d8c3 Build libsupc++.a in preparation for building uClibc++.
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diff changeset
126 make -j $CPUS configure-target-libstdc++-v3 &&
716b7af6d8c3 Build libsupc++.a in preparation for building uClibc++.
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127 cd "$CROSS_TARGET"/libstdc++-v3/libsupc++ &&
716b7af6d8c3 Build libsupc++.a in preparation for building uClibc++.
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diff changeset
128 make -j $CPUS &&
783
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diff changeset
129 mv .libs/libsupc++.a "$ROOT_TOPDIR"/lib &&
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130
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131 # We're done with that source and could theoretically cleanup gcc-core and
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132 # build-gcc here, but we still need the timestamps if we do binary packaging.
43
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133
716
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134 # Move the gcc internal libraries and headers somewhere sane
43
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135
783
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136 mkdir -p "$ROOT_TOPDIR"/gcc &&
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137 mv "$ROOT_TOPDIR"/lib/gcc/*/*/include "$ROOT_TOPDIR"/gcc/include &&
db06a8c1bfed Lots of changes to move buildall.sh functionality into build.sh.
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parents: 782
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138 mv "$ROOT_TOPDIR"/lib/gcc/*/* "$ROOT_TOPDIR"/gcc/lib &&
716
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parents: 714
diff changeset
139
ff2cd7c539b2 Make canadian cross work by nailing binutils files to gcc's forehead.
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parents: 714
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140 # Rub gcc's nose in the binutils output.
783
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141 cd "$ROOT_TOPDIR"/libexec/gcc/*/*/ &&
716
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parents: 714
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142 cp -s "../../../../$CROSS_TARGET/bin/"* . &&
ff2cd7c539b2 Make canadian cross work by nailing binutils files to gcc's forehead.
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143
ff2cd7c539b2 Make canadian cross work by nailing binutils files to gcc's forehead.
Rob Landley <rob@landley.net>
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144 # build and install gcc wrapper script.
783
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diff changeset
145 mv "$ROOT_TOPDIR/bin/${PROGRAM_PREFIX}gcc" "$ROOT_TOPDIR/bin/${PROGRAM_PREFIX}rawgcc" &&
782
5c6ebb711b72 Check for both prerequisite compilers of a canadian cross, and use $ARCH-cc instead of $ARCH-gcc more.
Rob Landley <rob@landley.net>
parents: 757
diff changeset
146 "${FROM_ARCH}-cc" "${SOURCES}"/toys/ccwrap.c -Os -s \
783
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diff changeset
147 -o "$ROOT_TOPDIR/bin/${PROGRAM_PREFIX}gcc" -DGIMME_AN_S $STATIC_FLAGS \
714
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parents: 713
diff changeset
148 -DGCC_UNWRAPPED_NAME='"'"${PROGRAM_PREFIX}rawgcc"'"' &&
443
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diff changeset
149
716b7af6d8c3 Build libsupc++.a in preparation for building uClibc++.
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diff changeset
150 # Wrap C++
783
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151 mv "$ROOT_TOPDIR/bin/${PROGRAM_PREFIX}g++" "$ROOT_TOPDIR/bin/${PROGRAM_PREFIX}rawg++" &&
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152 ln "$ROOT_TOPDIR/bin/${PROGRAM_PREFIX}gcc" "$ROOT_TOPDIR/bin/${PROGRAM_PREFIX}g++" &&
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153 rm "$ROOT_TOPDIR/bin/${PROGRAM_PREFIX}c++" &&
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Rob Landley <rob@landley.net>
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154 ln -s "${PROGRAM_PREFIX}g++" "$ROOT_TOPDIR/bin/${PROGRAM_PREFIX}c++" &&
43
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155
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Rob Landley <rob@landley.net>
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156 # When tarring up individual binary packages, we want this one to be called
8129df56091b Extended setupfor/cleanup to create binary package tarballs if the configure option BINARY_PACKAGE_TARBALLS is set. These tarballs extract into the current directory and add all the changed files installed by this package build, so you can pick and choose when assembling your own filesystem.
Rob Landley <rob@landley.net>
parents: 807
diff changeset
157 # "gcc" and that's not what we fed to setupfor, so rename it.
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parents: 807
diff changeset
158
8129df56091b Extended setupfor/cleanup to create binary package tarballs if the configure option BINARY_PACKAGE_TARBALLS is set. These tarballs extract into the current directory and add all the changed files installed by this package build, so you can pick and choose when assembling your own filesystem.
Rob Landley <rob@landley.net>
parents: 807
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159 mv "$WORK"/{gcc-core,gcc}
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Rob Landley <rob@landley.net>
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160 PACKAGE=gcc cleanup build-gcc \
8129df56091b Extended setupfor/cleanup to create binary package tarballs if the configure option BINARY_PACKAGE_TARBALLS is set. These tarballs extract into the current directory and add all the changed files installed by this package build, so you can pick and choose when assembling your own filesystem.
Rob Landley <rob@landley.net>
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161 "$ROOT_TOPDIR"/{lib/gcc,gcc/lib/install-tools,bin/${ARCH}-unknown-*}
43
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162
783
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diff changeset
163 # Tell future packages to link against the libraries in the new root filesystem,
443
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164 # rather than the ones in the cross compiler directory.
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165
807
d0b74a631587 Teach ccwrap.c to use arch-specific WRAPPER_TOPDIR values, to avoid interfering with canadian cross.
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parents: 805
diff changeset
166 export ${ARCH}_WRAPPER_TOPDIR="$ROOT_TOPDIR"
443
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diff changeset
167
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diff changeset
168 # Build and install uClibc++
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diff changeset
169
447
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diff changeset
170 setupfor uClibc++
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diff changeset
171 CROSS= make defconfig &&
701
b4a9c0084f2f Converted ARMV5L from OABI to EABI with VFP support. Added patches for uClibc and uClibc++ to deal with Unwind Exception handling, made uClibc++ pull in libgcc_eh for this as well, and disabled SJLJ exceptions for ARMV5L EABI, which is apparently required, so --enable-sjlj-exceptions was added to the details file for all the other arches. Also correct the GENTOO_CHOST variable for armeb.
Mark Miller <mark@mirell.org>
parents: 693
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172 sed -r -i 's/(UCLIBCXX_HAS_(TLS|LONG_DOUBLE))=y/# \1 is not set/' .config &&
447
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parents: 445
diff changeset
173 sed -r -i '/UCLIBCXX_RUNTIME_PREFIX=/s/".*"/""/' .config &&
4ed02d53fc92 Add C++ support to native compiler, based on uClibc++.
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174 CROSS= make oldconfig &&
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175 CROSS="$ARCH"- make &&
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176 CROSS= make install PREFIX="$ROOT_TOPDIR/c++" &&
447
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177
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178 # Move libraries somewhere useful.
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diff changeset
179
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180 mv "$ROOT_TOPDIR"/c++/lib/* "$ROOT_TOPDIR"/lib &&
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181 rm -rf "$ROOT_TOPDIR"/c++/{lib,bin} &&
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182 ln -s libuClibc++.so "$ROOT_TOPDIR"/lib/libstdc++.so &&
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parents: 807
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183 ln -s libuClibc++.a "$ROOT_TOPDIR"/lib/libstdc++.a
447
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184
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Rob Landley <rob@landley.net>
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diff changeset
185 cleanup
443
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186
713
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187 fi # End of NATIVE_TOOLCHAIN build
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188
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189 if [ "$NATIVE_TOOLCHAIN" != "only" ]
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190 then
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191
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192 # Copy qemu setup script and so on.
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193
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194 cp -r "${SOURCES}/native/." "$ROOT_TOPDIR/" &&
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195 cp "$SRCDIR"/MANIFEST "$ROOT_TOPDIR/src" &&
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196 cp "${WORK}/config-uClibc" "$ROOT_TOPDIR/src/config-uClibc" || dienow
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197
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198 # Build and install toybox
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199
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200 setupfor toybox
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201 make defconfig &&
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202 if [ -z "$USE_TOYBOX" ]
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203 then
726
db5cb617339a Centrialize BUILD_STATIC and make it apply to more of root-filesystem.sh
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204 CFLAGS="$CFLAGS $STATIC_FLAGS" make CROSS="${ARCH}-" &&
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205 cp toybox "$ROOT_TOPDIR/bin" &&
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206 ln -s toybox "$ROOT_TOPDIR/bin/patch" &&
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207 ln -s toybox "$ROOT_TOPDIR/bin/oneit" &&
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208 ln -s toybox "$ROOT_TOPDIR/bin/netcat"
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209 else
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210 CFLAGS="$CFLAGS $STATIC_FLAGS" \
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211 make install_flat PREFIX="$ROOT_TOPDIR"/bin CROSS="${ARCH}-"
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212 fi
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213
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214 cleanup
713
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215
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216 # Build and install busybox
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217
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218 setupfor busybox
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219 make allyesconfig KCONFIG_ALLCONFIG="${SOURCES}/trimconfig-busybox" &&
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220 cp .config "$ROOT_TOPDIR"/src/config-busybox &&
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221 LDFLAGS="$LDFLAGS $STATIC_FLAGS" \
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222 make -j $CPUS CROSS_COMPILE="${ARCH}-" $VERBOSITY &&
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223 make busybox.links &&
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224 cp busybox "$ROOT_TOPDIR/bin" || dienow
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225
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226 for i in $(sed 's@.*/@@' busybox.links)
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227 do
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228 # Allowed to fail.
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229 ln -s busybox "$ROOT_TOPDIR/bin/$i" 2>/dev/null || true
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230 done
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231
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232 cleanup
713
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233
52
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234 # Build and install make
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235
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236 setupfor make
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237 LDFLAGS="$STATIC_FLAGS $LDFLAGS" CC="${ARCH}-cc" ./configure \
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238 --prefix="$ROOT_TOPDIR" --build="${CROSS_HOST}" --host="${CROSS_TARGET}" &&
182
fc827ab6166f Autodetect number of processors and feed appropriate -j to make.
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239 make -j $CPUS &&
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240 make -j $CPUS install
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241
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242 cleanup
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243
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244 # Build and install bash. (Yes, this is an old version. It's intentional.)
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245
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246 setupfor bash
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247 # Remove existing /bin/sh link (busybox) so the bash install doesn't get upset.
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248 #rm "$ROOT_TOPDIR"/bin/sh
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249 # wire around some tests ./configure can't run when cross-compiling.
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250 cat > config.cache << EOF &&
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251 ac_cv_func_setvbuf_reversed=no
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252 bash_cv_sys_named_pipes=yes
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253 bash_cv_have_mbstate_t=yes
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254 bash_cv_getenv_redef=no
52
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255 EOF
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256 LDFLAGS="$STATIC_FLAGS $LDFLAGS" CC="${ARCH}-cc" RANLIB="${ARCH}-ranlib" \
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257 ./configure --prefix="$ROOT_TOPDIR" \
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106f3875f606 The bash build continues to be stupid. Force RANLIB.
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258 --build="${CROSS_HOST}" --host="${CROSS_TARGET}" --cache-file=config.cache \
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259 --without-bash-malloc --disable-readline &&
183
d2a27709d3b6 Fixup the -j stuff to actually work. (typo in gcc, and uClibc can't use it.)
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260 # note: doesn't work with -j
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261 make &&
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262 make install &&
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263 # Make bash the default shell.
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264 ln -sf bash "$ROOT_TOPDIR/bin/sh"
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265
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266 cleanup
52
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267
280
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268 setupfor distcc
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d6bf46d17ac5 Make sparc build a static version. (Yes, this involves rubbing the distcc ./configure's nose in something to avoid a gratuitous build break.) The result bots to a shell prompt! Which then has a bus error if you try to do an "ls -l" and freezes if you "echo *". Still, that's progress...
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269 rsync_cv_HAVE_C99_VSNPRINTF=yes \
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270 LDFLAGS="$STATIC_FLAGS $LDFLAGS" CC="${ARCH}-cc" ./configure \
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271 --host="${CROSS_TARGET}" --prefix="$ROOT_TOPDIR" \
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272 --with-included-popt --disable-Werror &&
293
cdd26f8acc35 Update to gcc 4.1.2->4.2.2. Still doesn't fix the internal compiler error
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273 make -j $CPUS &&
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274 make -j $CPUS install &&
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275 mkdir -p "$ROOT_TOPDIR/distcc" || dienow
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276
4b0507445452 Hook up c++ to distcc.
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277 for i in gcc cc g++ c++
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278 do
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279 ln -s ../bin/distcc "$ROOT_TOPDIR/distcc/$i" || dienow
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280 done
280
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281
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282 cleanup
280
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283
83
8fb80545fe84 Move the "hello world" source into sources/toys. Build (in mini-native)
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284 # Put statically and dynamically linked hello world programs on there for
315
7fe514d773b9 Install setup script even for BUILD_SHORT.
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285 # test purposes.
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286
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287 "${ARCH}-cc" "${SOURCES}/toys/hello.c" -Os -s -o "$ROOT_TOPDIR/bin/hello-dynamic" &&
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288 "${ARCH}-cc" "${SOURCES}/toys/hello.c" -Os -s -static -o "$ROOT_TOPDIR/bin/hello-static"
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289
8fb80545fe84 Move the "hello world" source into sources/toys. Build (in mini-native)
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290 [ $? -ne 0 ] && dienow
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291
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292 fi # End of NATIVE_TOOLCHAIN != only
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293
516
f846099333ac I can see the man pages being potentially useful, but info pages are a complete waste of space.
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294 # Delete some unneeded files
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295
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296 rm -rf "$ROOT_TOPDIR"/{info,man,libexec/gcc/*/*/install-tools}
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f846099333ac I can see the man pages being potentially useful, but info pages are a complete waste of space.
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297
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298 # Clean up and package the result
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6d16887ec084 Intermediate snapshot. Doesn't work yet.
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299
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300 "${ARCH}-strip" "$ROOT_TOPDIR"/{bin/*,sbin/*,libexec/gcc/*/*/*}
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301 "${ARCH}-strip" --strip-unneeded "$ROOT_TOPDIR"/lib/*.so
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3fd961e31444 Build a gcc wrapper for _target_, and add a "strip" command to halve the
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302
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303 create_stage_tarball
576
036dbe218036 Add BASE_ARCH support, so a hardware architecture can specify a base architecture and just provide a different kernel.
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304
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5aeba79b8f5f Remove qemu build (it's in cross-compiler.sh now), move uClibc build right
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305 # Color back to normal
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diff changeset
306 echo -e "\e[0mBuild complete"