Mercurial > hg > aboriginal
annotate simple-root-filesystem.sh @ 1676:0f4499211cfa
Move hello.c into /src in the root filesystem so the instructions in the README to try building it aren't wrong.
author | Rob Landley <rob@landley.net> |
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date | Sun, 17 Aug 2014 18:12:50 -0500 |
parents | e2f722cc97a6 |
children | b871f0e7b837 |
rev | line source |
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177 | 1 #!/bin/bash |
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Intermediate snapshot. Doesn't work yet.
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2 |
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Break out simple-root-filesystem.sh and root-filesystem.sh (adding native-compiler.sh output), and use NO_NATIVE_COMPILER to determine which to use. Rename STATIC_CC_HOST to CROSS_HOST_ARCH.
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3 # Build a basic busybox+uClibc root filesystem for a given target. |
888 | 4 |
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5 # Requires a cross-compiler (or simple-cross-compiler) in the $PATH or in |
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6 # the build directory. In theory you can supply your own as long as the |
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7 # prefix- name is correct. |
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8 |
669 | 9 source sources/include.sh || exit 1 |
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10 load_target "$1" |
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11 check_for_base_arch || exit 0 |
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Minor cleanups and comments, introduce check_prerequisite function.
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12 check_prerequisite "${ARCH}-cc" |
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13 |
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14 # Determine which directory layout we're using |
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15 |
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16 if [ -z "$ROOT_NODIRS" ] |
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17 then |
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Provide a mount point for root user's home directory.
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18 mkdir -p "$STAGE_DIR"/{tmp,proc,sys,dev,home,mnt,root} && |
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More stuff to make running a guest user potentially useful.
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19 chmod a+rwxt "$STAGE_DIR/tmp" || dienow |
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20 |
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21 STAGE_USR="$STAGE_DIR/usr" |
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22 |
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23 # Having lots of repeated locations at / and also under /usr is silly, so |
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24 # symlink them together. (The duplication happened back in the 1970's |
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25 # when Ken and Dennis ran out of space on their PDP-11's root disk and |
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26 # leaked the OS into the disk containing the user home directories. It's |
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27 # been mindlessly duplicated ever since.) |
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28 for i in bin sbin lib etc |
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29 do |
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30 mkdir -p "$STAGE_USR/$i" && ln -s "usr/$i" "$STAGE_DIR/$i" || dienow |
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31 done |
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32 |
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33 else |
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34 STAGE_USR="$STAGE_DIR" && mkdir -p "$STAGE_DIR/bin" || dienow |
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35 fi |
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36 |
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37 # Copy qemu setup script and so on. |
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38 |
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39 cp -r "$SOURCES/root-filesystem/." "$STAGE_USR/" && |
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40 echo -e "CROSS_TARGET=$CROSS_TARGET\nKARCH=$KARCH" > \ |
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41 "$STAGE_USR/src/host-info" && |
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42 cp "$SRCDIR"/MANIFEST "$STAGE_USR/src" || dienow |
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43 |
1151 | 44 # If user specified different files to put in the root filesystem, add them. |
45 # (This overwrites existing files.) | |
46 | |
47 if [ ! -z "$SIMPLE_ROOT_OVERLAY" ] | |
48 then | |
49 cd "$TOP" | |
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50 tar -c -C "$SIMPLE_ROOT_OVERLAY" . | tar -x -C "$STAGE_DIR" || dienow |
1151 | 51 fi |
52 | |
1229 | 53 # Build busybox |
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54 |
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55 STAGE_DIR="$STAGE_USR" build_section busybox |
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56 cp "$WORK"/config-busybox "$STAGE_USR"/src || dienow |
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57 build_section toybox |
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58 |
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59 # Put statically and dynamically linked hello world programs on there for |
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60 # test purposes. |
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61 |
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62 "${ARCH}-cc" "${SOURCES}/root-filesystem/src/hello.c" -Os $CFLAGS \ |
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63 -o "$STAGE_USR/bin/hello-dynamic" || dienow |
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64 |
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65 if [ "$BUILD_STATIC" != none ] |
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66 then |
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67 "${ARCH}-cc" "${SOURCES}/root-filesystem/src/hello.c" -Os $CFLAGS -static \ |
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68 -o "$STAGE_USR/bin/hello-static" || dienow |
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69 fi |
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70 |
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71 # Debug wrapper for use with /usr/src/record-commands.sh |
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72 |
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73 "${ARCH}-cc" "$SOURCES/toys/wrappy.c" -Os $CFLAGS -o "$STAGE_USR/bin/record-commands-wrapper" || dienow |
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74 |
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75 # Do we need shared libraries? |
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76 |
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77 if [ "$BUILD_STATIC" != all ] |
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78 then |
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79 echo Copying compiler libraries... |
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80 mkdir -p "$STAGE_USR/lib" || dienow |
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81 (path_search \ |
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82 "$("$ARCH-cc" --print-search-dirs | sed -n 's/^libraries: =*//p')" \ |
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83 "*.so*" 'cp -H "$DIR/$FILE" "$STAGE_USR/lib/$FILE"' \ |
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84 || dienow) | dotprogress |
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85 |
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86 [ -z "$SKIP_STRIP" ] && |
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87 "${ARCH}-strip" --strip-unneeded "$STAGE_USR"/lib/*.so |
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88 fi |
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89 |
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90 # Clean up and package the result |
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91 |
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92 [ -z "$SKIP_STRIP" ] && |
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93 "${ARCH}-strip" "$STAGE_USR"/{bin/*,sbin/*} |
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94 |
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95 create_stage_tarball |
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Add BASE_ARCH support, so a hardware architecture can specify a base architecture and just provide a different kernel.
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96 |
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97 # Color back to normal |
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98 echo -e "\e[0mBuild complete" |