[489740f] | 1 | .. comment SPDX-License-Identifier: CC-BY-SA-4.0 |
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| 2 | |
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[4e3cf2b] | 3 | .. comment: Copyright (c) 2016 Chris Johns <chrisj@rtems.org> |
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| 4 | .. comment: All rights reserved. |
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| 5 | |
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| 6 | .. _development-version: |
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| 7 | |
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| 8 | Development Version |
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[27bcdfb] | 9 | =================== |
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[4e3cf2b] | 10 | .. index:: Git |
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| 11 | |
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| 12 | RTEMS provides open access to it's development processes. The project encouages |
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| 13 | all users to inspect, review, comment and contribute to the code base. The |
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| 14 | processes described here are the same processes the core development team use |
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| 15 | when developing and maintaining RTEMS. |
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| 16 | |
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[27bcdfb] | 17 | Please read :ref:`development-hosts` before continuing. |
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| 18 | |
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[4e3cf2b] | 19 | .. warning:: |
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| 20 | |
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| 21 | The development version is not for use in production and it can break from |
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| 22 | time to time. |
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| 23 | |
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| 24 | The following procedure assumes you have installed and configured your host |
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[a34c157] | 25 | operating system. It also assumes you have installed any dependent packages |
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| 26 | needed when building the tools and the kernel. |
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[4e3cf2b] | 27 | |
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| 28 | You need to select a location to build and install the RTEMS Tool chain and |
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| 29 | RTEMS. Make sure there is plenty of disk space and a fast disk is |
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| 30 | recommended. Our procedure will document building and installing the tools in a |
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| 31 | home directory called :file:`development/rtems`. Using a home directory means |
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| 32 | you can do this without needing to be root. You can also use |
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| 33 | :file:`/opt/rtems/build` if you have access to that path. |
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| 34 | |
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| 35 | The location used to install the tools and kernel is called the `prefix`. It is |
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| 36 | best to have a `prefix` for each different version of RTEMS you are using. If |
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[a34c157] | 37 | you are using RTEMS 4.11 in production it is not a good idea to install a |
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[4e3cf2b] | 38 | development version of 4.12 over the top. A separate `prefix` for each version |
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| 39 | avoids this. |
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| 40 | |
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| 41 | The RTEMS tool chain changes less often than the RTEMS kernel. One method of |
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| 42 | working with development releases is to have a separate `prefix` for the RTEMS |
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| 43 | tools and a different one for the RTEMS kernel. You can then update each |
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| 44 | without interacting with the other. You can also have a number of RTEMS |
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| 45 | versions available to test with. |
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| 46 | |
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| 47 | This procedure will build a SPARC tool chain. |
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| 48 | |
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| 49 | RTEMS Tools Chain |
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[27bcdfb] | 50 | ----------------- |
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[4e3cf2b] | 51 | |
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| 52 | Clone the RTEMS Source Builder (RSB) repository: |
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| 53 | |
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| 54 | .. code-block:: shell |
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| 55 | |
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| 56 | $ cd |
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| 57 | $ mkdir -p development/rtems |
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| 58 | $ cd development/rtems |
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| 59 | $ git clone git://git.rtems.org/rtems-source-builder.git rsb |
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| 60 | Cloning into 'rsb'... |
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| 61 | remote: Counting objects: 5837, done. |
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| 62 | remote: Compressing objects: 100% (2304/2304), done. |
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| 63 | remote: Total 5837 (delta 4014), reused 5056 (delta 3494) |
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| 64 | Receiving objects: 100% (5837/5837), 2.48 MiB | 292.00 KiB/s, done. |
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| 65 | Resolving deltas: 100% (4014/4014), done. |
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| 66 | Checking connectivity... done. |
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| 67 | |
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| 68 | .. sidebar:: *Downloading the source* |
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| 69 | |
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| 70 | You need an internet connection to download the source. The downloaded source |
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| 71 | is cached locally and the RSB checksums it. If you run a build again the |
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| 72 | download output will be missing. Using the RSB from git will download the |
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| 73 | source from the upstream project's home site and this could be `http`, `ftp`, |
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| 74 | or `git`. |
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| 75 | |
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| 76 | Check all the host packages you need are present. Current libraries are not |
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| 77 | checked and this includes checking for the python development libraries GDB |
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| 78 | requires: |
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| 79 | |
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| 80 | .. code-block:: shell |
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| 81 | |
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| 82 | $ cd rsb |
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| 83 | $ ./source-builder/sb-check |
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| 84 | RTEMS Source Builder - Check, 4.12 (e645642255cc) |
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| 85 | Environment is ok |
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| 86 | |
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| 87 | Build a tool chain for the SPARC architecure. We are using the SPARC |
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| 88 | architecture because GDB has a good simulator that lets us run and test the |
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| 89 | samples RTEMS builds by default. The current development version |
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| 90 | is `4.12` and is on master: |
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| 91 | |
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| 92 | .. code-block:: shell |
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| 93 | |
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| 94 | $ cd rtems |
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| 95 | $ ../source-builder/sb-set-builder \ |
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| 96 | --prefix=/usr/home/chris/development/rtems/4.12 4.12/rtems-sparc |
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| 97 | RTEMS Source Builder - Set Builder, 4.12 (e645642255cc) |
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| 98 | Build Set: 4.12/rtems-sparc |
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| 99 | Build Set: 4.12/rtems-autotools.bset |
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| 100 | Build Set: 4.12/rtems-autotools-internal.bset |
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| 101 | config: tools/rtems-autoconf-2.69-1.cfg |
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| 102 | package: autoconf-2.69-x86_64-linux-gnu-1 |
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| 103 | Creating source directory: sources |
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| 104 | download: ftp://ftp.gnu.org/gnu/autoconf/autoconf-2.69.tar.gz -> sources/autoconf-2.69.tar.gz |
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| 105 | downloading: sources/autoconf-2.69.tar.gz - 1.8MB of 1.8MB (100%) |
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| 106 | building: autoconf-2.69-x86_64-linux-gnu-1 |
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| 107 | config: tools/rtems-automake-1.12.6-1.cfg |
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| 108 | package: automake-1.12.6-x86_64-linux-gnu-1 |
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| 109 | download: ftp://ftp.gnu.org/gnu/automake/automake-1.12.6.tar.gz -> sources/automake-1.12.6.tar.gz |
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| 110 | downloading: sources/automake-1.12.6.tar.gz - 2.0MB of 2.0MB (100%) |
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| 111 | Creating source directory: patches |
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| 112 | download: https://git.rtems.org/rtems-tools/plain/tools/4.12/automake/automake-1.12.6-bugzilla.redhat.com-1239379.diff -> patches/automake-1.12.6-bugzilla.redhat.com-1239379.diff |
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| 113 | downloading: patches/automake-1.12.6-bugzilla.redhat.com-1239379.diff - 408.0 bytes of 408.0 bytes (100%) |
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| 114 | building: automake-1.12.6-x86_64-linux-gnu-1 |
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| 115 | cleaning: autoconf-2.69-x86_64-linux-gnu-1 |
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| 116 | cleaning: automake-1.12.6-x86_64-linux-gnu-1 |
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| 117 | Build Set: Time 0:00:17.465024 |
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| 118 | Build Set: 4.12/rtems-autotools-base.bset |
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| 119 | config: tools/rtems-autoconf-2.69-1.cfg |
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| 120 | package: autoconf-2.69-x86_64-linux-gnu-1 |
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| 121 | building: autoconf-2.69-x86_64-linux-gnu-1 |
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| 122 | reporting: tools/rtems-autoconf-2.69-1.cfg -> autoconf-2.69-x86_64-linux-gnu-1.txt |
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| 123 | reporting: tools/rtems-autoconf-2.69-1.cfg -> autoconf-2.69-x86_64-linux-gnu-1.xml |
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| 124 | config: tools/rtems-automake-1.12.6-1.cfg |
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| 125 | package: automake-1.12.6-x86_64-linux-gnu-1 |
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| 126 | building: automake-1.12.6-x86_64-linux-gnu-1 |
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| 127 | reporting: tools/rtems-automake-1.12.6-1.cfg -> automake-1.12.6-x86_64-linux-gnu-1.txt |
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| 128 | reporting: tools/rtems-automake-1.12.6-1.cfg -> automake-1.12.6-x86_64-linux-gnu-1.xml |
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| 129 | installing: autoconf-2.69-x86_64-linux-gnu-1 -> /usr/home/chris/development/rtems/4.12 |
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| 130 | installing: automake-1.12.6-x86_64-linux-gnu-1 -> /usr/home/chris/development/rtems/4.12 |
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| 131 | cleaning: autoconf-2.69-x86_64-linux-gnu-1 |
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| 132 | cleaning: automake-1.12.6-x86_64-linux-gnu-1 |
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| 133 | Build Set: Time 0:00:05.358624 |
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| 134 | Build Set: Time 0:00:22.824422 |
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| 135 | config: devel/expat-2.1.0-1.cfg |
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| 136 | package: expat-2.1.0-x86_64-linux-gnu-1 |
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| 137 | download: http://downloads.sourceforge.net/project/expat/expat/2.1.0/expat-2.1.0.tar.gz -> sources/expat-2.1.0.tar.gz |
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| 138 | redirect: http://internode.dl.sourceforge.net/project/expat/expat/2.1.0/expat-2.1.0.tar.gz |
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| 139 | downloading: sources/expat-2.1.0.tar.gz - 549.4kB of 549.4kB (100%) |
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| 140 | building: expat-2.1.0-x86_64-linux-gnu-1 |
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| 141 | reporting: devel/expat-2.1.0-1.cfg -> expat-2.1.0-x86_64-linux-gnu-1.txt |
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| 142 | reporting: devel/expat-2.1.0-1.cfg -> expat-2.1.0-x86_64-linux-gnu-1.xml |
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| 143 | config: tools/rtems-binutils-2.26-1.cfg |
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| 144 | package: sparc-rtems4.12-binutils-2.26-x86_64-linux-gnu-1 |
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| 145 | download: ftp://ftp.gnu.org/gnu/binutils/binutils-2.26.tar.bz2 -> sources/binutils-2.26.tar.bz2 |
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| 146 | downloading: sources/binutils-2.26.tar.bz2 - 24.4MB of 24.4MB (100%) |
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| 147 | download: https://git.rtems.org/rtems-tools/plain/tools/4.12/binutils/binutils-2.26-rtems-aarch64-x86_64.patch -> patches/binutils-2.26-rtems-aarch64-x86_64.patch |
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| 148 | downloading: patches/binutils-2.26-rtems-aarch64-x86_64.patch - 3.2kB of 3.2kB (100%) |
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| 149 | building: sparc-rtems4.12-binutils-2.26-x86_64-linux-gnu-1 |
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| 150 | reporting: tools/rtems-binutils-2.26-1.cfg -> sparc-rtems4.12-binutils-2.26-x86_64-linux-gnu-1.txt |
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| 151 | reporting: tools/rtems-binutils-2.26-1.cfg -> sparc-rtems4.12-binutils-2.26-x86_64-linux-gnu-1.xml |
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| 152 | config: tools/rtems-gcc-6-20160228-newlib-2.3.0.20160226-1.cfg |
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| 153 | package: sparc-rtems4.12-gcc-6-20160228-newlib-2.3.0.20160226-x86_64-linux-gnu-1 |
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| 154 | download: ftp://gcc.gnu.org/pub/gcc/snapshots/6-20160228/gcc-6-20160228.tar.bz2 -> sources/gcc-6-20160228.tar.bz2 |
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| 155 | downloading: sources/gcc-6-20160228.tar.bz2 - 90.8MB of 90.8MB (100%) |
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| 156 | download: ftp://sourceware.org/pub/newlib/newlib-2.3.0.20160226.tar.gz -> sources/newlib-2.3.0.20160226.tar.gz |
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| 157 | downloading: sources/newlib-2.3.0.20160226.tar.gz - 16.9MB of 16.9MB (100%) |
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| 158 | download: http://www.mpfr.org/mpfr-2.4.2/mpfr-2.4.2.tar.bz2 -> |
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| 159 | sources/mpfr-2.4.2.tar.bz2 |
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| 160 | downloading: sources/mpfr-2.4.2.tar.bz2 - 1.0MB of 1.0MB (100%) |
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| 161 | download: http://www.multiprecision.org/mpc/download/mpc-0.8.1.tar.gz -> sources/mpc-0.8.1.tar.gz |
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| 162 | downloading: sources/mpc-0.8.1.tar.gz - 532.2kB of 532.2kB (100%) |
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| 163 | download: ftp://ftp.gnu.org/gnu/gmp/gmp-4.3.2.tar.bz2 -> sources/gmp-4.3.2.tar.bz2 |
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| 164 | downloading: sources/gmp-4.3.2.tar.bz2 - 1.8MB of 1.8MB (100%) |
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| 165 | building: sparc-rtems4.12-gcc-6-20160228-newlib-2.3.0.20160226-x86_64-linux-gnu-1 |
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| 166 | reporting: tools/rtems-gcc-6-20160228-newlib-2.3.0.20160226-1.cfg -> sparc-rtems4.12-gcc-6-20160228-newlib-2.3.0.20160226-x86_64-linux-gnu-1.txt |
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| 167 | reporting: tools/rtems-gcc-6-20160228-newlib-2.3.0.20160226-1.cfg -> sparc-rtems4.12-gcc-6-20160228-newlib-2.3.0.20160226-x86_64-linux-gnu-1.xml |
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| 168 | config: tools/rtems-gdb-7.9-1.cfg |
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| 169 | package: sparc-rtems4.12-gdb-7.9-x86_64-linux-gnu-1 |
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| 170 | download: http://ftp.gnu.org/gnu/gdb/gdb-7.9.tar.xz -> sources/gdb-7.9.tar.xz |
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| 171 | downloading: sources/gdb-7.9.tar.xz - 17.0MB of 17.0MB (100%) |
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| 172 | download: https://git.rtems.org/rtems-tools/plain/tools/4.12/gdb/gdb-sim-arange-inline.diff -> patches/gdb-sim-arange-inline.diff |
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| 173 | downloading: patches/gdb-sim-arange-inline.diff - 761.0 bytes of 761.0 bytes (100%) |
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| 174 | download: https://git.rtems.org/rtems-tools/plain/tools/4.12/gdb/gdb-sim-cgen-inline.diff -> patches/gdb-sim-cgen-inline.diff |
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| 175 | downloading: patches/gdb-sim-cgen-inline.diff - 706.0 bytes of 706.0 bytes (100%) |
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| 176 | download: https://git.rtems.org/rtems-tools/plain/tools/4.12/gdb/gdb-7.9-aarch64-x86_64.patch -> patches/gdb-7.9-aarch64-x86_64.patch |
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| 177 | downloading: patches/gdb-7.9-aarch64-x86_64.patch - 1.7kB of 1.7kB (100%) |
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| 178 | building: sparc-rtems4.12-gdb-7.9-x86_64-linux-gnu-1 |
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| 179 | reporting: tools/rtems-gdb-7.9-1.cfg -> sparc-rtems4.12-gdb-7.9-x86_64-linux-gnu-1.txt |
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| 180 | reporting: tools/rtems-gdb-7.9-1.cfg -> sparc-rtems4.12-gdb-7.9-x86_64-linux-gnu-1.xml |
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| 181 | config: tools/rtems-tools-4.12-1.cfg |
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| 182 | package: rtems-tools-HEAD-1 |
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| 183 | Creating source directory: sources/git |
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| 184 | git: clone: git://git.rtems.org/rtems-tools.git -> sources/git/rtems-tools.git |
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| 185 | git: reset: git://git.rtems.org/rtems-tools.git |
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| 186 | git: fetch: git://git.rtems.org/rtems-tools.git -> sources/git/rtems-tools.git |
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| 187 | git: checkout: git://git.rtems.org/rtems-tools.git => HEAD |
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| 188 | git: pull: git://git.rtems.org/rtems-tools.git |
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| 189 | building: rtems-tools-HEAD-1 |
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| 190 | reporting: tools/rtems-tools-4.12-1.cfg -> rtems-tools-HEAD-1.txt |
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| 191 | reporting: tools/rtems-tools-4.12-1.cfg -> rtems-tools-HEAD-1.xml |
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| 192 | installing: expat-2.1.0-x86_64-linux-gnu-1 -> /usr/home/chris/development/rtems/4.12 |
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| 193 | installing: sparc-rtems4.12-binutils-2.26-x86_64-linux-gnu-1 -> /usr/home/chris/development/rtems/4.12 |
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| 194 | installing: sparc-rtems4.12-gcc-6-20160228-newlib-2.3.0.20160226-x86_64-linux-gnu-1 -> /usr/home/chris/development/rtems/4.12 |
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| 195 | installing: sparc-rtems4.12-gdb-7.9-x86_64-linux-gnu-1 -> /usr/home/chris/development/rtems/4.12 |
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| 196 | installing: rtems-tools-HEAD-1 -> /usr/home/chris/development/rtems/4.12 |
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| 197 | cleaning: expat-2.1.0-x86_64-linux-gnu-1 |
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| 198 | cleaning: sparc-rtems4.12-binutils-2.26-x86_64-linux-gnu-1 |
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| 199 | cleaning: sparc-rtems4.12-gcc-6-20160228-newlib-2.3.0.20160226-x86_64-linux-gnu-1 |
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| 200 | cleaning: sparc-rtems4.12-gdb-7.9-x86_64-linux-gnu-1 |
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| 201 | cleaning: rtems-tools-HEAD-1 |
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| 202 | Build Set: Time 0:31:09.754219 |
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| 203 | |
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| 204 | RTEMS Kernel |
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[27bcdfb] | 205 | ------------ |
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[4e3cf2b] | 206 | |
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| 207 | We need to set our path to include the RTEMS tools we built in the previous |
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| 208 | section. The RTEMS tools needs to be first in your path because RTEMS provides |
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| 209 | specific versions of the ``autoconf`` and ``automake`` tools. We want to use |
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| 210 | the RTEMS version and not your host's versions: |
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| 211 | |
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| 212 | |
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| 213 | .. code-block:: shell |
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| 214 | |
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| 215 | $ export PATH=$HOME/development/rtems/4.12/bin:$PATH |
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| 216 | |
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| 217 | Create a new location to build the RTEMS kernel: |
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| 218 | |
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| 219 | .. code-block:: shell |
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| 220 | |
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| 221 | $ cd |
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| 222 | $ cd development/rtems |
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| 223 | $ mkdir kernel |
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| 224 | $ cd kernel |
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| 225 | |
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| 226 | Clone the RTEMS respository: |
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| 227 | |
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| 228 | .. code-block:: shell |
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| 229 | |
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| 230 | $ git clone git://git.rtems.org/rtems.git rtems |
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| 231 | Cloning into 'rtems'... |
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| 232 | remote: Counting objects: 483342, done. |
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| 233 | remote: Compressing objects: 100% (88974/88974), done. |
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| 234 | remote: Total 483342 (delta 390053), reused 475669 (delta 383809) |
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| 235 | Receiving objects: 100% (483342/483342), 69.88 MiB | 1.37 MiB/s, done. |
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| 236 | Resolving deltas: 100% (390053/390053), done. |
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| 237 | Checking connectivity... done. |
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| 238 | |
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[5353914] | 239 | The developers version of the code from git requires we ``bootstrap`` the |
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| 240 | source code. This is an ``autoconf`` and ``automake`` bootstrap to create the |
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| 241 | various files generated by ``autoconf`` and ``automake``. RTEMS does not keep |
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| 242 | these generated files under version control. The bootstrap process is slow so |
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| 243 | to speed it up the RSB provides a command that can perform the bootstrap in |
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| 244 | parallel using your available cores. We need to enter the cloned source |
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| 245 | directory then run the bootsrap commands: |
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[4e3cf2b] | 246 | |
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| 247 | .. code-block:: shell |
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| 248 | |
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[5353914] | 249 | $ cd rtems |
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[4e3cf2b] | 250 | $ ./bootstrap -c && ./bootstrap -p && \ |
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[5353914] | 251 | $HOME/development/rtems/rsb/source-builder/sb-bootstrap |
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[4e3cf2b] | 252 | removing automake generated Makefile.in files |
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| 253 | removing configure files |
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| 254 | removing aclocal.m4 files |
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| 255 | Generating ./cpukit/dtc/libfdt/preinstall.am |
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| 256 | Generating ./cpukit/zlib/preinstall.am |
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| 257 | Generating ./cpukit/libdl/preinstall.am |
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| 258 | Generating ./cpukit/posix/preinstall.am |
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| 259 | Generating ./cpukit/pppd/preinstall.am |
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| 260 | Generating ./cpukit/librpc/preinstall.am |
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| 261 | Generating ./cpukit/preinstall.am |
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| 262 | Generating ./cpukit/sapi/preinstall.am |
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| 263 | Generating ./cpukit/score/preinstall.am |
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| 264 | Generating ./cpukit/score/cpu/mips/preinstall.am |
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| 265 | Generating ./cpukit/score/cpu/sh/preinstall.am |
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| 266 | Generating ./cpukit/score/cpu/sparc/preinstall.am |
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| 267 | Generating ./cpukit/score/cpu/no_cpu/preinstall.am |
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| 268 | Generating ./cpukit/score/cpu/arm/preinstall.am |
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| 269 | Generating ./cpukit/score/cpu/m32c/preinstall.am |
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| 270 | Generating ./cpukit/score/cpu/moxie/preinstall.am |
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| 271 | Generating ./cpukit/score/cpu/v850/preinstall.am |
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| 272 | Generating ./cpukit/score/cpu/sparc64/preinstall.am |
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| 273 | Generating ./cpukit/score/cpu/or1k/preinstall.am |
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| 274 | Generating ./cpukit/score/cpu/i386/preinstall.am |
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| 275 | Generating ./cpukit/score/cpu/nios2/preinstall.am |
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| 276 | Generating ./cpukit/score/cpu/epiphany/preinstall.am |
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| 277 | Generating ./cpukit/score/cpu/m68k/preinstall.am |
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| 278 | Generating ./cpukit/score/cpu/lm32/preinstall.am |
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| 279 | Generating ./cpukit/score/cpu/powerpc/preinstall.am |
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| 280 | Generating ./cpukit/score/cpu/bfin/preinstall.am |
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| 281 | Generating ./cpukit/libpci/preinstall.am |
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| 282 | Generating ./cpukit/libcrypt/preinstall.am |
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| 283 | Generating ./cpukit/rtems/preinstall.am |
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| 284 | Generating ./cpukit/telnetd/preinstall.am |
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| 285 | Generating ./cpukit/libnetworking/preinstall.a |
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| 286 | ...... |
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| 287 | Generating ./c/src/lib/libbsp/powerpc/gen5200/preinstall.am |
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| 288 | Generating ./c/src/lib/libbsp/powerpc/mpc55xxevb/preinstall.am |
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| 289 | Generating ./c/src/lib/libbsp/bfin/TLL6527M/preinstall.am |
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| 290 | Generating ./c/src/lib/libbsp/bfin/bf537Stamp/preinstall.am |
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| 291 | Generating ./c/src/lib/libbsp/bfin/eZKit533/preinstall.am |
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| 292 | Generating ./c/src/librtems++/preinstall.am |
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| 293 | Generating ./c/src/libchip/preinstall.am |
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| 294 | Generating ./c/src/wrapup/preinstall.am |
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| 295 | Generating ./c/src/ada/preinstall.am |
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| 296 | RTEMS Source Builder - RTEMS Bootstrap, 4.12 (e645642255cc modified) |
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| 297 | 1/139: autoreconf: configure.ac |
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| 298 | 2/139: autoreconf: cpukit/configure.ac |
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| 299 | 3/139: autoreconf: tools/cpu/configure.ac |
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| 300 | 4/139: autoreconf: tools/cpu/generic/configure.ac |
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| 301 | 5/139: autoreconf: tools/cpu/sh/configure.ac |
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| 302 | 6/139: autoreconf: tools/cpu/nios2/configure.ac |
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| 303 | 7/139: autoreconf: tools/build/configure.ac |
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| 304 | 8/139: autoreconf: doc/configure.ac |
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| 305 | ...... |
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| 306 | 124/139: autoreconf: c/src/make/configure.ac |
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| 307 | 125/139: autoreconf: c/src/librtems++/configure.ac |
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| 308 | 126/139: autoreconf: c/src/ada-tests/configure.ac |
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| 309 | 127/139: autoreconf: testsuites/configure.ac |
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| 310 | 128/139: autoreconf: testsuites/libtests/configure.ac |
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| 311 | 129/139: autoreconf: testsuites/mptests/configure.ac |
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| 312 | 130/139: autoreconf: testsuites/fstests/configure.ac |
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| 313 | 131/139: autoreconf: testsuites/sptests/configure.ac |
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| 314 | 132/139: autoreconf: testsuites/tmtests/configure.ac |
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| 315 | 133/139: autoreconf: testsuites/smptests/configure.ac |
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| 316 | 134/139: autoreconf: testsuites/tools/configure.ac |
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| 317 | 135/139: autoreconf: testsuites/tools/generic/configure.ac |
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| 318 | 136/139: autoreconf: testsuites/psxtests/configure.ac |
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| 319 | 137/139: autoreconf: testsuites/psxtmtests/configure.ac |
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| 320 | 138/139: autoreconf: testsuites/rhealstone/configure.ac |
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| 321 | 139/139: autoreconf: testsuites/samples/configure.ac |
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| 322 | Bootstrap time: 0:02:47.398824 |
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| 323 | |
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| 324 | We build RTEMS in a directory outside of the source tree we have just cloned |
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| 325 | and ``bootstrapped``. You cannot build RTEMS while in the source tree. Lets |
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| 326 | create a suitable directory using the name of the BSP we are going to build: |
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| 327 | |
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| 328 | .. code-block:: shell |
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| 329 | |
---|
| 330 | $ cd .. |
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| 331 | $ mkdir erc32 |
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| 332 | $ cd erc32 |
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| 333 | |
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| 334 | Configure RTEMS using the ``configure`` command. We use a full path to |
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| 335 | ``configure`` so the object files built contain the absolute path of the source |
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| 336 | files. If you are source level debugging you will be able to access the source |
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| 337 | code to RTEMS from the debugger. We will build for the ``erc32`` BSP with POSIX |
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| 338 | enabled and the networking stack disabled: |
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| 339 | |
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| 340 | .. code-block:: shell |
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| 341 | |
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| 342 | $ $HOME/development/rtems/kernel/rtems/configure --prefix=$HOME/development/rtems/4.12 \ |
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| 343 | --target=sparc-rtems4.12 --enable-rtemsbsp=erc32 --enable-posix \ |
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| 344 | --disable-networking |
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| 345 | checking for gmake... no |
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| 346 | checking for make... make |
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| 347 | checking for RTEMS Version... 4.11.99.0 |
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| 348 | checking build system type... x86_64-pc-linux-gnu |
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| 349 | checking host system type... x86_64-pc-linux-gnu |
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| 350 | checking target system type... sparc-unknown-rtems4.12 |
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| 351 | checking for a BSD-compatible install... /usr/bin/install -c |
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| 352 | checking whether build environment is sane... yes |
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| 353 | checking for a thread-safe mkdir -p... /bin/mkdir -p |
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| 354 | checking for gawk... no |
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| 355 | checking for mawk... mawk |
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| 356 | checking whether make sets $(MAKE)... yes |
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| 357 | checking whether to enable maintainer-specific portions of Makefiles... no |
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| 358 | checking that generated files are newer than configure... done |
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| 359 | ...... |
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| 360 | checking target system type... sparc-unknown-rtems4.12 |
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| 361 | checking rtems target cpu... sparc |
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| 362 | checking for a BSD-compatible install... /usr/bin/install -c |
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| 363 | checking whether build environment is sane... yes |
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| 364 | checking for sparc-rtems4.12-strip... sparc-rtems4.12-strip |
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| 365 | checking for a thread-safe mkdir -p... /bin/mkdir -p |
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| 366 | checking for gawk... no |
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| 367 | checking for mawk... mawk |
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| 368 | checking whether make sets $(MAKE)... yes |
---|
| 369 | checking whether to enable maintainer-specific portions of Makefiles... no |
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| 370 | checking that generated files are newer than configure... done |
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| 371 | configure: creating ./config.status |
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| 372 | config.status: creating Makefile |
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| 373 | |
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| 374 | target architecture: sparc. |
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| 375 | available BSPs: erc32. |
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| 376 | 'make all' will build the following BSPs: erc32. |
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| 377 | other BSPs can be built with 'make RTEMS_BSP="bsp1 bsp2 ..."' |
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| 378 | |
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| 379 | config.status: creating Makefile |
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| 380 | |
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| 381 | Build RTEMS using two cores: |
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| 382 | |
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| 383 | .. code-block:: shell |
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| 384 | |
---|
| 385 | $ make -j 2 |
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| 386 | Making all in tools/build |
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| 387 | make[1]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/build' |
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| 388 | make all-am |
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| 389 | make[2]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/build' |
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| 390 | gcc -DHAVE_CONFIG_H -I. -I/home/chris/development/rtems/kernel/rtems/tools/build -g -O2 -MT cklength.o -MD -MP -MF .deps/cklength.Tpo -c -o cklength.o /home/chris/development/rtems/kernel/rtems/tools/build/cklength.c |
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| 391 | gcc -DHAVE_CONFIG_H -I. -I/home/chris/development/rtems/kernel/rtems/tools/build -g -O2 -MT eolstrip.o -MD -MP -MF .deps/eolstrip.Tpo -c -o eolstrip.o /home/chris/development/rtems/kernel/rtems/tools/build/eolstrip.c |
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| 392 | mv -f .deps/cklength.Tpo .deps/cklength.Po |
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| 393 | mv -f .deps/eolstrip.Tpo .deps/eolstrip.Po |
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| 394 | gcc -DHAVE_CONFIG_H -I. -I/home/chris/development/rtems/kernel/rtems/tools/build -g -O2 -MT compat.o -MD -MP -MF .deps/compat.Tpo -c -o compat.o /home/chris/development/rtems/kernel/rtems/tools/build/compat.c |
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| 395 | gcc -DHAVE_CONFIG_H -I. -I/home/chris/development/rtems/kernel/rtems/tools/build -g -O2 -MT packhex.o -MD -MP -MF .deps/packhex.Tpo -c -o packhex.o /home/chris/development/rtems/kernel/rtems/tools/build/packhex.c |
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| 396 | mv -f .deps/compat.Tpo .deps/compat.Po |
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| 397 | gcc -DHAVE_CONFIG_H -I. -I/home/chris/development/rtems/kernel/rtems/tools/build -g -O2 -MT unhex.o -MD -MP -MF .deps/unhex.Tpo -c -o unhex.o /home/chris/development/rtems/kernel/rtems/tools/build/unhex.c |
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| 398 | mv -f .deps/packhex.Tpo .deps/packhex.Po |
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| 399 | gcc -DHAVE_CONFIG_H -I. -I/home/chris/development/rtems/kernel/rtems/tools/build -g -O2 -MT rtems-bin2c.o -MD -MP -MF .deps/rtems-bin2c.Tpo -c -o rtems-bin2c.o /home/chris/development/rtems/kernel/rtems/tools/build/rtems-bin2c.c |
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| 400 | mv -f .deps/unhex.Tpo .deps/unhex.Po |
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| 401 | gcc -DHAVE_CONFIG_H -I. -I/home/chris/development/rtems/kernel/rtems/tools/build -g -O2 -MT binpatch.o -MD -MP -MF .deps/binpatch.Tpo -c -o binpatch.o /home/chris/development/rtems/kernel/rtems/tools/build/binpatch.c |
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| 402 | mv -f .deps/rtems-bin2c.Tpo .deps/rtems-bin2c.Po |
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| 403 | gcc -g -O2 -o cklength cklength.o |
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| 404 | mv -f .deps/binpatch.Tpo .deps/binpatch.Po |
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| 405 | gcc -g -O2 -o eolstrip eolstrip.o compat.o |
---|
| 406 | gcc -g -O2 -o packhex packhex.o |
---|
| 407 | gcc -g -O2 -o rtems-bin2c rtems-bin2c.o compat.o |
---|
| 408 | gcc -g -O2 -o unhex unhex.o compat.o |
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| 409 | gcc -g -O2 -o binpatch binpatch.o |
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| 410 | make[2]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/build' |
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| 411 | make[1]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/build' |
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| 412 | Making all in tools/cpu |
---|
| 413 | make[1]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/cpu' |
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| 414 | Making all in generic |
---|
| 415 | make[2]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/cpu/generic' |
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| 416 | make[2]: Nothing to be done for 'all'. |
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| 417 | make[2]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/cpu/generic' |
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| 418 | make[2]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/cpu' |
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| 419 | make[2]: Nothing to be done for 'all-am'. |
---|
| 420 | make[2]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/cpu' |
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| 421 | make[1]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/cpu' |
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| 422 | Making all in testsuites/tools |
---|
| 423 | make[1]: Entering directory '/home/chris/development/rtems/kernel/erc32/testsuites/tools' |
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| 424 | Making all in generic |
---|
| 425 | make[2]: Entering directory '/home/chris/development/rtems/kernel/erc32/testsuites/tools/generic' |
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| 426 | make[2]: Nothing to be done for 'all'. |
---|
| 427 | make[2]: Leaving directory '/home/chris/development/rtems/kernel/erc32/testsuites/tools/generic' |
---|
| 428 | make[2]: Entering directory '/home/chris/development/rtems/kernel/erc32/testsuites/tools' |
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| 429 | make[2]: Nothing to be done for 'all-am'. |
---|
| 430 | make[2]: Leaving directory '/home/chris/development/rtems/kernel/erc32/testsuites/tools' |
---|
| 431 | make[1]: Leaving directory '/home/chris/development/rtems/kernel/erc32/testsuites/tools' |
---|
| 432 | Making all in sparc-rtems4.12/c |
---|
| 433 | make[1]: Entering directory '/home/chris/development/rtems/kernel/erc32/sparc-rtems4.12/c' |
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| 434 | Making all in . |
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| 435 | make[2]: Entering directory '/home/chris/development/rtems/kernel/erc32/sparc-rtems4.12/c' |
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| 436 | Configuring RTEMS_BSP=erc32 |
---|
| 437 | checking for gmake... no |
---|
| 438 | checking for make... make |
---|
| 439 | checking build system type... x86_64-pc-linux-gnu |
---|
| 440 | checking host system type... sparc-unknown-rtems4.12 |
---|
| 441 | ...... |
---|
| 442 | sparc-rtems4.12-gcc -B../../../../../erc32/lib/ -specs bsp_specs -qrtems -DHAVE_CONFIG_H -I. -I/home/chris/development/rtems/kernel/rtems/c/src/../../testsuites/samples/nsecs -I.. -I/home/chris/development/rtems/kernel/rtems/c/src/../../testsuites/samples/../support/include -mcpu=cypress -O2 -g -ffunction-sections -fdata-sections -Wall -Wmissing-prototypes -Wimplicit-function-declaration -Wstrict-prototypes -Wnested-externs -MT init.o -MD -MP -MF .deps/init.Tpo -c -o init.o /home/chris/development/rtems/kernel/rtems/c/src/../../testsuites/samples/nsecs/init.c |
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| 443 | sparc-rtems4.12-gcc -B../../../../../erc32/lib/ -specs bsp_specs -qrtems -DHAVE_CONFIG_H -I. -I/home/chris/development/rtems/kernel/rtems/c/src/../../testsuites/samples/nsecs -I.. -I/home/chris/development/rtems/kernel/rtems/c/src/../../testsuites/samples/../support/include -mcpu=cypress -O2 -g -ffunction-sections -fdata-sections -Wall -Wmissing-prototypes -Wimplicit-function-declaration -Wstrict-prototypes -Wnested-externs -MT empty.o -MD -MP -MF .deps/empty.Tpo -c -o empty.o /home/chris/development/rtems/kernel/rtems/c/src/../../testsuites/samples/nsecs/empty.c |
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| 444 | mv -f .deps/empty.Tpo .deps/empty.Po |
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| 445 | mv -f .deps/init.Tpo .deps/init.Po |
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| 446 | sparc-rtems4.12-gcc -B../../../../../erc32/lib/ -specs bsp_specs -qrtems -mcpu=cypress -O2 -g -ffunction-sections -fdata-sections -Wall -Wmissing-prototypes -Wimplicit-function-declaration -Wstrict-prototypes -Wnested-externs -Wl,--gc-sections -mcpu=cypress -o nsecs.exe init.o empty.o |
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| 447 | sparc-rtems4.12-nm -g -n nsecs.exe > nsecs.num |
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| 448 | sparc-rtems4.12-size nsecs.exe |
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| 449 | text data bss dec hex filename |
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| 450 | 121392 1888 6624 129904 1fb70 nsecs.exe |
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| 451 | cp nsecs.exe nsecs.ralf |
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[5353914] | 452 | make[6]: Leaving directory '/home/chris/development/rtems/kernel/erc32/sparc-rtems4.12/ c/erc32/testsuites/samples/nsecs' |
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| 453 | make[5]: Leaving directory '/home/chris/development/rtems/kernel/erc32/sparc-rtems4.12/ c/erc32/testsuites/samples' |
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| 454 | make[4]: Leaving directory '/home/chris/development/rtems/kernel/erc32/sparc-rtems4.12/ c/erc32/testsuites/samples' |
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| 455 | make[4]: Entering directory '/home/chris/development/rtems/kernel/erc32/sparc-rtems4.12/ c/erc32/testsuites' |
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[4e3cf2b] | 456 | make[4]: Nothing to be done for 'all-am'. |
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[5353914] | 457 | make[4]: Leaving directory '/home/chris/development/rtems/kernel/erc32/sparc-rtems4.12/ c/erc32/testsuites' |
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| 458 | make[3]: Leaving directory '/home/chris/development/rtems/kernel/erc32/sparc-rtems4.12/ c/erc32/testsuites' |
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| 459 | make[2]: Leaving directory '/home/chris/development/rtems/kernel/erc32/sparc-rtems4.12/ c/erc32' |
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[4e3cf2b] | 460 | make[1]: Leaving directory '/home/chris/development/rtems/kernel/erc32/sparc-rtems4.12/c' |
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| 461 | make[1]: Entering directory '/home/chris/development/rtems/kernel/erc32' |
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| 462 | make[1]: Nothing to be done for 'all-am'. |
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| 463 | make[1]: Leaving directory '/home/chris/development/rtems/kernel/erc32' |
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| 464 | |
---|
| 465 | All that remains to be done is to install the kernel. Installing RTEMS copies |
---|
| 466 | the API headers and architecture specific libraries to a locaiton under the |
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| 467 | `prefix` you provide. You can install any number of BSPs under the same |
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| 468 | `prefix`. We recommend you have a separate `prefix` for different versions of |
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| 469 | RTEMS. Do not mix versions of RTEMS under the same `prefix`. Make installs |
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| 470 | RTEMS with the following command: |
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| 471 | |
---|
| 472 | .. code-block:: shell |
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| 473 | |
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| 474 | $ make install |
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| 475 | Making install in tools/build |
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| 476 | make[1]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/build' |
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| 477 | make[2]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/build' |
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| 478 | /bin/mkdir -p '/home/chris/development/rtems/4.12/bin' |
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| 479 | /usr/bin/install -c cklength eolstrip packhex unhex rtems-bin2c '/home/chris/development/rtems/4.12/bin' |
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| 480 | /bin/mkdir -p '/home/chris/development/rtems/4.12/bin' |
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| 481 | /usr/bin/install -c install-if-change '/home/chris/development/rtems/4.12/bin' |
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| 482 | make[2]: Nothing to be done for 'install-data-am'. |
---|
| 483 | make[2]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/build' |
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| 484 | make[1]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/build' |
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| 485 | Making install in tools/cpu |
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| 486 | make[1]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/cpu' |
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| 487 | Making install in generic |
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| 488 | make[2]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/cpu/generic' |
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| 489 | make[3]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/cpu/generic' |
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| 490 | make[3]: Nothing to be done for 'install-exec-am'. |
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| 491 | make[3]: Nothing to be done for 'install-data-am'. |
---|
| 492 | make[3]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/cpu/generic' |
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| 493 | make[2]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/cpu/generic' |
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| 494 | make[2]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/cpu' |
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| 495 | make[3]: Entering directory '/home/chris/development/rtems/kernel/erc32/tools/cpu' |
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| 496 | make[3]: Nothing to be done for 'install-exec-am'. |
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| 497 | make[3]: Nothing to be done for 'install-data-am'. |
---|
| 498 | make[3]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/cpu' |
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| 499 | make[2]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/cpu' |
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| 500 | make[1]: Leaving directory '/home/chris/development/rtems/kernel/erc32/tools/cpu |
---|
| 501 | ...... |
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| 502 | make[1]: Leaving directory '/home/chris/development/rtems/kernel/erc32/sparc-rtems4.12/c' |
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| 503 | make[1]: Entering directory '/home/chris/development/rtems/kernel/erc32' |
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| 504 | make[2]: Entering directory '/home/chris/development/rtems/kernel/erc32' |
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| 505 | make[2]: Nothing to be done for 'install-exec-am'. |
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| 506 | /bin/mkdir -p '/home/chris/development/rtems/4.12/make' |
---|
| 507 | /usr/bin/install -c -m 644 /home/chris/development/rtems/kernel/rtems/make/main.cfg /home/chris/development/rtems/kernel/rtems/make/leaf.cfg '/home/chris/development/rtems/4.12/make' |
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| 508 | /bin/mkdir -p '/home/chris/development/rtems/4.12/share/rtems4.12/make/Templates' |
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| 509 | /usr/bin/install -c -m 644 /home/chris/development/rtems/kernel/rtems/make/Templates/Makefile.dir /home/chris/development/rtems/kernel/rtems/make/Templates/Makefile.leaf /home/chris/development/rtems/kernel/rtems/make/Templates/Makefile.lib '/home/chris/development/rtems/4.12/share/rtems4.12/make/Templates' |
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| 510 | /bin/mkdir -p '/home/chris/development/rtems/4.12/make/custom' |
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| 511 | /usr/bin/install -c -m 644 /home/chris/development/rtems/kernel/rtems/make/custom/default.cfg '/home/chris/development/rtems/4.12/make/custom' |
---|
| 512 | make[2]: Leaving directory '/home/chris/development/rtems/kernel/erc32' |
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| 513 | make[1]: Leaving directory '/home/chris/development/rtems/kernel/erc32' |
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| 514 | |
---|
| 515 | Contributing Patches |
---|
[27bcdfb] | 516 | -------------------- |
---|
[4e3cf2b] | 517 | |
---|
| 518 | RTEMS welcomes fixes to bugs and new features. The RTEMS Project likes to have |
---|
| 519 | bugs fixed against a ticket created on our :r:url:`devel`. Please raise a |
---|
| 520 | ticket if you have a bug. Any changes that are made can be tracked against the |
---|
| 521 | ticket. If you want to add a new a feature please post a message to |
---|
| 522 | :r:list:`devel` describing what you would like to implement. The RTEMS |
---|
| 523 | maintainer will help decide if the feature is in the best interest of the |
---|
| 524 | project. Not everything is and the maintainers need to evalulate how much |
---|
| 525 | effort it is to maintain the feature. Once accepted into the source tree it |
---|
| 526 | becomes the responsibility of the maintainers to keep the feature updated and |
---|
| 527 | working. |
---|
| 528 | |
---|
| 529 | Changes to the source tree are tracked using git. If you have not made changes |
---|
| 530 | and enter the source tree and enter a git status command you will see nothing |
---|
| 531 | has changed: |
---|
| 532 | |
---|
| 533 | .. code-block:: shell |
---|
| 534 | |
---|
| 535 | $ cd ../rtems |
---|
| 536 | $ git status |
---|
| 537 | On branch master |
---|
| 538 | Your branch is up-to-date with 'origin/master'. |
---|
| 539 | nothing to commit, working directory clean |
---|
| 540 | |
---|
| 541 | We will make a change to the source code. In this example I change the help |
---|
| 542 | message to the RTEMS shell's ``halt`` command. Running the same git status |
---|
| 543 | command reports: |
---|
| 544 | |
---|
| 545 | .. code-block:: shell |
---|
| 546 | |
---|
| 547 | $ git status |
---|
| 548 | On branch master |
---|
| 549 | Your branch is up-to-date with 'origin/master'. |
---|
| 550 | Changes not staged for commit: |
---|
| 551 | (use "git add <file>..." to update what will be committed) |
---|
| 552 | (use "git checkout -- <file>..." to discard changes in working directory) |
---|
| 553 | |
---|
| 554 | modified: cpukit/libmisc/shell/main_halt.c |
---|
| 555 | |
---|
| 556 | no changes added to commit (use "git add" and/or "git commit -a") |
---|
| 557 | |
---|
| 558 | As an example I have a ticket open and the ticket number is 9876. I commit the |
---|
| 559 | change with the follow git command: |
---|
| 560 | |
---|
| 561 | .. code-block:: shell |
---|
| 562 | |
---|
| 563 | $ git commit cpukit/libmisc/shell/main_halt.c |
---|
| 564 | |
---|
| 565 | An editor is opened and I enter my commit message. The first line is a title |
---|
| 566 | and the following lines form a body. My message is: |
---|
| 567 | |
---|
| 568 | .. code-block:: shell |
---|
| 569 | |
---|
| 570 | shell: Add more help detail to the halt command. |
---|
| 571 | |
---|
| 572 | Closes #9876. |
---|
| 573 | |
---|
| 574 | # Please enter the commit message for your changes. Lines starting |
---|
| 575 | # with '#' will be ignored, and an empty message aborts the commit. |
---|
| 576 | # Explicit paths specified without -i or -o; assuming --only paths... |
---|
| 577 | # |
---|
| 578 | # Committer: Chris Johns <chrisj@rtems.org> |
---|
| 579 | # |
---|
| 580 | # On branch master |
---|
| 581 | # Your branch is up-to-date with 'origin/master'. |
---|
| 582 | # |
---|
| 583 | # Changes to be committed: |
---|
| 584 | # modified: cpukit/libmisc/shell/main_halt.c |
---|
| 585 | |
---|
| 586 | When you save and exit the editor git will report the commit's status: |
---|
| 587 | |
---|
| 588 | .. code-block:: shell |
---|
| 589 | |
---|
| 590 | $ git commit cpukit/libmisc/shell/main_halt.c |
---|
| 591 | [master 9f44dc9] shell: Add more help detail to the halt command. |
---|
| 592 | 1 file changed, 1 insertion(+), 1 deletion(-) |
---|
| 593 | |
---|
| 594 | You can either email the patch to :r:list:`devel` with the following git |
---|
[a34c157] | 595 | command, and it is `minus one` on the command line: |
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[4e3cf2b] | 596 | |
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| 597 | .. code-block:: shell |
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| 598 | |
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| 599 | $ git send-email --to=devel@rtems.org -1 |
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| 600 | <add output here> |
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| 601 | |
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| 602 | Or you can ask git to create a patch file using: |
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| 603 | |
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| 604 | .. code-block:: shell |
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| 605 | |
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| 606 | $ git format-patch -1 |
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| 607 | 0001-shell-Add-more-help-detail-to-the-halt-command.patch |
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| 608 | |
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| 609 | This patch can be attached to a ticket. |
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