Toolchain/ru

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Line 74: Line 74:
 
   fakeroot alien -d openmoko-*-arm-linux-gnueabi-toolchain.tar.gz
 
   fakeroot alien -d openmoko-*-arm-linux-gnueabi-toolchain.tar.gz
 
   sudo dpkg -i openmoko_*-arm-linux-gnueabi-toolchain*.deb
 
   sudo dpkg -i openmoko_*-arm-linux-gnueabi-toolchain*.deb
http://wiki.openmoko.org/index.php?title=Toolchain&action=submit
+
 
 
* Готовый toolchain это для x86_64 или i686. Если вы хотите, you could build it on your own with OE:
 
* Готовый toolchain это для x86_64 или i686. Если вы хотите, you could build it on your own with OE:
  

Revision as of 19:04, 7 October 2008


Contents

Введение

A toolchain это набор инструментов необходимых для создания кода. Для Openmoko, мы предлагаем различные варианты для следующих целей использования:

(a) Разработка одиночных приложений
Для этого, мы можете использовать подготовленный toolchain из Openmoko проекта. На этой странице вы можете найти рецепт как начать с этим toolchain и пошагам собрать ваш проекти запустить на нужном устройстве. (You might have heard about OpenEmbedded, однако разработчик приложений , вы should не можете использовать OpenEmbedded.)
(b) Системный интегратор и настройщик дистрибутива
Для этой задачи, вы должны использовать OpenEmbedded с сборкой этого на вашем кросс-компиляторе during the bootstrapping/build процесс. Системный интегратор и настройщик дистрибутива не должен использовать эту страницу.

Основы использования toolchain

Что необходимо

You should be reasonably familiar with Linux and its command line tools, have an x86-compatible computer with at least 1G of free disk space. You should have experience with compiling programs from source using your local compiler. The remainder of this document will also assume you have write access in your home directory (~) and /usr/local/ (becoming root if needed). If any of this is not the case, please call your local administrator for help.

Last but not least you should have a working setup that allows you to compile native software packages using the autotools build system (the triade of ./configure, make, make install).

Частичный список необходимых пакетов -- пожалуйста добавьте если нехватает:

  • Для большинства версий Linux вам необходимо установить следующие пакеты
    • autoconf, automake
    • binutils, gcc, gcc-c++
    • libtool
    • ccache
    • intltool
  • Для Ubuntu 8.04 ( Предыдущая версия не поддерживает libmokoui2 ) необходимы пакеты:
sudo apt-get install gcc g++ autoconf automake binutils libtool libglib2.0-dev \
ccache libxrender-dev intltool libmokoui2-dev libgconf2-dev mtools fakeroot alien check
  • Для Ubuntu 8.10 так же будут нужны дополнительные пакеты:
sudo apt-get install uboot-mkimage
  • For Fedora-Core the following is required, while logged in as root:
yum install gcc gcc-c++ autoconf automake binutils libtool glib2-devel \
ccache libXrender-devel intltool GConf2-devel mtools gettext-devel

Fedora-Core does not appear to have libmokoui2 available.

Скачивание и установка

NOTE: If you wish to improve an existing Openmoko application and you are running Debian or Ubuntu i386 (тоесть можете установить с .deb), you may wish to skip the below and instead use:

Openmoko application development in 5 minutes by Andreas Dalsgaard. (based on the 2007.2 stack)


Подготовленный toolchains можно скачать с downloads.openmoko.org:

  • Создание папки где будут исходники:
 mkdir ~/sources
 cd ~/sources
  • В зависимости от вашего процессора(x86_64 или i686) скачиваем пакет с настройками:
 wget http://downloads.openmoko.org/toolchains/openmoko-x86_64-arm-linux-gnueabi-toolchain.tar.bz2
или
 wget http://downloads.openmoko.org/toolchains/openmoko-i686-arm-linux-gnueabi-toolchain.tar.bz2
NOTE: Часть людей имеют проблемы с toolchain сборка 20080521. Если есть ошибки, то попробуйте другие версии,


Далее, вы должны это распаковать это в вашу файловую систему. Этот toolchain не переносимый, и должен быть распакован строго в /usr/local/openmoko/. Теперь вы можете получить следующии опции:

  • Распаковать напрямую имея права рута, используйте команду "su" вначале(или префикс "sudo" перед командой tar для пользователей Debian/Ubuntu):
  cd /
  tar -xjvf ~/sources/openmoko-XYZ-arm-linux-gnueabi-toolchain.tar.bz2
  • На системах основанных на Debian(например Ubuntu), вы может использовать alien(+fakeroot) для простого создания easy-to-uninstall пакета из текущего .tar.bz2:
  bunzip2 openmoko-*-arm-linux-gnueabi-toolchain.tar.bz2
  gzip openmoko-*-arm-linux-gnueabi-toolchain.tar
  fakeroot alien -d openmoko-*-arm-linux-gnueabi-toolchain.tar.gz
  sudo dpkg -i openmoko_*-arm-linux-gnueabi-toolchain*.deb
  • Готовый toolchain это для x86_64 или i686. Если вы хотите, you could build it on your own with OE:
  bitbake meta-toolchain-openmoko

В конце, everytime you want to use this toolchain, you need to alter some environment variables, so that your tools will be found. The toolchain provides a script to do that, so the only thing you need to do is to source it. Note that if you are not using a "sh" or "bash" shell (check with "echo $SHELL") that you need to start "sh" or "bash" first.

. /usr/local/openmoko/arm/setup-env
  • At least, you should add /usr/local/openmoko/arm/bin to your $PATH variable, otherwise the next steps won't work (om-conf and make).
export PATH=$PATH:/usr/local/openmoko/arm/bin 

Note: This is will only last for your current session. Add it to your shell startup scripts to make it permenant (~/.bashrc for instance).

Установка новых библиотек

Openmoko toolchain didn't include many libraries in default. However, it can download and install library what has already existed in Openmoko repository. (It refer to Testing Repository by default.)

  • You need to alter some environment variables before you download libraries.
 . /usr/local/openmoko/arm/environment-setup
  • First, update the opkg database (Notice, you should use alias opkg-target but not opkg)
opkg-target update
  • Second, select a package what you want. Let's use edje as an example. If you want develop an project which use edje of Enlightenment, you can use opkg-target list to print out how many packages you can have. Of course, command grep will help you a lot.(Remember, you should install -dev package but not only libedje.)
opkg-target list |grep edje-dev
  • Third, install it
opkg-target install libedje-dev
  • Fourth, have a cup of coffee and wait.

Сздаем пробный проект

In a chosen destination directory (in this example ~/):

  • copy the downloaded sample application source:
cp -r /usr/local/openmoko/source/openmoko-sample2 ~/
  • Remember to set the proper environment variables (again with "sh" or "bash") for openmoko:
. /usr/local/openmoko/arm/setup-env
  • You need to create a build configuration for this application. This also checks if all needed libraries, tools, etc.. is available on your system. If this fails see the notes about the needed packages in the section "Prerequisites" mentioned earlier.
om-conf openmoko-sample2
  • Optionally now you can modify the source code in openmoko-sample2/src. Before the next step, go into the sample directory.
cd openmoko-sample2
  • If you are using an older version of the toolchain, you may have to create the makefile by running "./autogen.sh". Otherwise, to build the application from the source code just type:
make
  • If there are errors (i.e. "You need to install gnome-common from the GNOME CVS") deal with them. Also see "Troubleshooting" section at the end of this page for known issues.


If you want to install this project on host for staging usage later, a shared library, for example, you can do the following to install it into a given configured prefix.

om-conf --prefix=/usr/local/openmoko openmoko-sample2
cd openmoko-sample2
make install

How to create your own project from the sample project

In order to build your own project by using openmoko-sample2 files, some changes are needed:

  • copy the downloaded sample application source
cp -r /usr/local/openmoko/source/openmoko-sample2 ~/

  • rename the folder with the name of your project (in this example your-project-name) and delete old sample files
mv openmoko-sample2 your-project-name
cd your-project-name
cd src
rm *.c
  • copy your sources (in this example your-sources) into src/
cp your-sources .
cd ..
  • now in the main folder modify autogen.sh by updating the following lines
PKG_NAME="your-project-name"
  • modify configure.ac by updating the following lines ('main.c' should be the main file in your project)
AC_INIT(your-project-name, 0.0.1, http://www.openmoko.org/)    
AC_CONFIG_SRCDIR(src/main.c)
  • go into data/ folder and rename these files with the name of your project
cd data
mv openmoko-sample.png your-project-name.png
mv openmoko-sample.desktop your-project-name.desktop
  • modify Makefile.am inside data/ by updating the following lines
dist_desktop_DATA = your-project-name.desktop
dist_appicon_DATA = your-project-name.png
  • modify Makefile.in inside data/ by updating the following lines
dist_desktop_DATA = your-project-name.desktop
dist_appicon_DATA = your-project-name.png
  • modify your-project-name.desktop by updating the following lines
Name=your-project-name
Encoding=UTF-8
Version=0.0.1
Type=Application
Exec=your-project-name
  • and by adding the following line
Icon=your-project-name
  • move into src/ folder
cd ..
cd src
  • modify Makefile.am by updating the following lines
bin_PROGRAMS = your-project-name	
your_project_name_SOURCES = \				
 		main.c 
your_project_name_LDADD  = @DEPENDENCIES_LIBS@
  • be sure to put instead of main.c all your .c and .h files and modify all the '-' characters with '_' in the variable names

Packaging your application

We have included a script to make an ipkg out of your application. Note that this is not needed to test your application on the Neo (for that you can just scp the resulting binary and data over), however it's very handy if you want to distribute your application to others.

om-make-ipkg openmoko-sample2

Now you got openmoko-sample2_0.1_armv4t.ipk , you can `scp' it to your Neo and install it:

scp openmoko-sample2_0.1_armv4t.ipk root@192.168.0.202:
ssh root@192.168.0.202 opkg install openmoko-sample2_0.1_armv4t.ipk

Note that while you can redistribute the generated ipkg, be aware that this is a bare-bones ipk that contains no further information, i.e. you will lack library dependencies. See below how to fix this.

You can also supply the version number, a description, and an author / contacts string in a control file:

om-make-ipkg myapp myapp_control

A template of myapp_control:

Package: $appname
Version: 0.1
Description: package built by openmoko toolchain
Section: openmoko/applications
Priority: optional
Maintainer: $USER
Architecture: armv4t
Homepage: http://www.openmoko.org/
Depends: 
Source: ${SRC}

Where to go from here

Using the external toolchain is an easy way to build applications for your Neo. If you are familiar with this procedure, you might also want to look into

Advanced topics

Building Openmoko Kernel from git repo using Toolchain

git clone git://git.openmoko.org/git/kernel.git linux-2.6
cd linux-2.6
git checkout -b mystable origin/stable
cp defconfig-gta02 .config
./build

Will fail with error message "arm-angstrom-linux-gnueabi-ld: unrecognized option '-Wl,-rpath-link,/usr/local/openmoko/arm/arm-angstrom-linux-gnueabi/lib'" until /usr/local/openmoko/arm/setup-env is modified. LDFLAGS should be changed from:

export LDFLAGS="-L${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -Wl,-rpath-link,${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -Wl,-O1"

to:

export LDFLAGS="-L${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -rpath-link ${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -O1"

I also had to change the 'build' script to hardcode the path to the compiler.

Using toolchain provided libraries

Add the necessary libraries to the _LDADD field in src/Makefile.am, for example:

openmoko_sample2_LDADD  = @DEPENDENCIES_LIBS@ -lmokogsmd2

make sure to run om-conf again after this.

Installing additional libraries into the toolchain

Sooner or later you will want to compile an application that has dependencies which can't be fulfilled by the precompiled toolchain, e.g. some obscure libraries.

In that case, feel free to request the inclusion of additional libraries into the next release of the Openmoko toolchain. Until then, here is how you enhance your already installed toolchain. Say, we want to add the library called liburiparse:

cd ~/source
wget http://downloads.sourceforge.net/uriparser/uriparser-0.6.0.tar.bz2
tar xjf uriparser-0.6.0.tar.bz2
cd uriparser-0.6.0
./configure --host=arm-angstrom-linux-gnueabi \
--prefix=/usr/local/openmoko/arm/arm-angstrom-linux-gnueabi/usr
make
make install

That's it.

Getting your application packaged by OE

If you have written a cool application which you want to share with others, the best way to do that is to

  1. upload your application source code to a public location
  2. submit a BitBake recipe to OpenEmbedded, preferably via the OpenEmbedded bugtracker.

See also Customizing the Openmoko Distribution.

Troubleshooting

  • Some Versions of the Toolchain have corrupt .la files. If you compile an application using the Toolchain and you receive a '/space/fic/openmoko-daily/neo1973/work/armv4t-angstrom-linux-gnueabi/pango-1.18.3-r0/pango-1.18.3/pango/libpangoft2-1.0.la' error, you are affected. To fix that you should go to your "/usr/local/openmoko/arm/arm-angstrom-linux-gnueabi/usr/lib" directory and open the affected .la files and change "/space/fic..." to "/usr/local/openmoko/arm/arm-angstrom-linux-gnueabi/usr/lib". You have to fix more than one .la file. For the pango error you have to change "libpangocairo-1.0.la", but there are more corrupt .la files.

Attached is a beta fix for the .la problem. Untar the .tar.bz2 as root, and execute the following bash script as root:

       #!/bin/sh
       DIR=/usr/local/openmoko/arm
       for la in `find $DIR -iname \*.la`; do
        dependency_libs=
        . $la
        for lib in $dependency_libs ; do
        delib=`echo $lib | grep -E .la$`
        if [ -z $delib ] ; then
         echo -n
        elif [ -f $delib ]; then
         echo -n
        else
         basedelib=`basename $delib`
         replacedelibs=`find $DIR -iname $basedelib`
         found=0
         for replacedelib in $replacedelibs ; do
         if [ $replacedelib == $delib ]; then
          found=1
         fi
         done
         if [ $found -gt 0 ] ; then
          echo -n
         else
           sed_delib=`echo $delib | sed 's/\//\\\\\//g'`
           sed_replacedelib=`echo $replacedelib | sed 's/\//\\\\\//g'`
           # A bit slow, we could chain expressions for speed. :)
           cp $la $la.old
           cat $la | sed "s/$sed_delib/$sed_replacedelib/g" > $la.new
           mv $la.new $la
           rm $la.old
         fi
        fi
        done
       done
Personal tools


Введение

A toolchain это набор инструментов необходимых для создания кода. Для Openmoko, мы предлагаем различные варианты для следующих целей использования:

(a) Разработка одиночных приложений
Для этого, мы можете использовать подготовленный toolchain из Openmoko проекта. На этой странице вы можете найти рецепт как начать с этим toolchain и пошагам собрать ваш проекти запустить на нужном устройстве. (You might have heard about OpenEmbedded, однако разработчик приложений , вы should не можете использовать OpenEmbedded.)
(b) Системный интегратор и настройщик дистрибутива
Для этой задачи, вы должны использовать OpenEmbedded с сборкой этого на вашем кросс-компиляторе during the bootstrapping/build процесс. Системный интегратор и настройщик дистрибутива не должен использовать эту страницу.

Основы использования toolchain

Что необходимо

You should be reasonably familiar with Linux and its command line tools, have an x86-compatible computer with at least 1G of free disk space. You should have experience with compiling programs from source using your local compiler. The remainder of this document will also assume you have write access in your home directory (~) and /usr/local/ (becoming root if needed). If any of this is not the case, please call your local administrator for help.

Last but not least you should have a working setup that allows you to compile native software packages using the autotools build system (the triade of ./configure, make, make install).

Частичный список необходимых пакетов -- пожалуйста добавьте если нехватает:

  • Для большинства версий Linux вам необходимо установить следующие пакеты
    • autoconf, automake
    • binutils, gcc, gcc-c++
    • libtool
    • ccache
    • intltool
  • Для Ubuntu 8.04 ( Предыдущая версия не поддерживает libmokoui2 ) необходимы пакеты:
sudo apt-get install gcc g++ autoconf automake binutils libtool libglib2.0-dev \
ccache libxrender-dev intltool libmokoui2-dev libgconf2-dev mtools fakeroot alien check
  • Для Ubuntu 8.10 так же будут нужны дополнительные пакеты:
sudo apt-get install uboot-mkimage
  • For Fedora-Core the following is required, while logged in as root:
yum install gcc gcc-c++ autoconf automake binutils libtool glib2-devel \
ccache libXrender-devel intltool GConf2-devel mtools gettext-devel

Fedora-Core does not appear to have libmokoui2 available.

Скачивание и установка

NOTE: If you wish to improve an existing Openmoko application and you are running Debian or Ubuntu i386 (тоесть можете установить с .deb), you may wish to skip the below and instead use:

Openmoko application development in 5 minutes by Andreas Dalsgaard. (based on the 2007.2 stack)


Подготовленный toolchains можно скачать с downloads.openmoko.org:

  • Создание папки где будут исходники:
 mkdir ~/sources
 cd ~/sources
  • В зависимости от вашего процессора(x86_64 или i686) скачиваем пакет с настройками:
 wget http://downloads.openmoko.org/toolchains/openmoko-x86_64-arm-linux-gnueabi-toolchain.tar.bz2
или
 wget http://downloads.openmoko.org/toolchains/openmoko-i686-arm-linux-gnueabi-toolchain.tar.bz2
NOTE: Часть людей имеют проблемы с toolchain сборка 20080521. Если есть ошибки, то попробуйте другие версии,


Далее, вы должны это распаковать это в вашу файловую систему. Этот toolchain не переносимый, и должен быть распакован строго в /usr/local/openmoko/. Теперь вы можете получить следующии опции:

  • Распаковать напрямую имея права рута, используйте команду "su" вначале(или префикс "sudo" перед командой tar для пользователей Debian/Ubuntu):
  cd /
  tar -xjvf ~/sources/openmoko-XYZ-arm-linux-gnueabi-toolchain.tar.bz2
  • На системах основанных на Debian(например Ubuntu), вы может использовать alien(+fakeroot) для простого создания easy-to-uninstall пакета из текущего .tar.bz2:
  bunzip2 openmoko-*-arm-linux-gnueabi-toolchain.tar.bz2
  gzip openmoko-*-arm-linux-gnueabi-toolchain.tar
  fakeroot alien -d openmoko-*-arm-linux-gnueabi-toolchain.tar.gz
  sudo dpkg -i openmoko_*-arm-linux-gnueabi-toolchain*.deb

http://wiki.openmoko.org/index.php?title=Toolchain&action=submit

  • Готовый toolchain это для x86_64 или i686. Если вы хотите, you could build it on your own with OE:
  bitbake meta-toolchain-openmoko

В конце, everytime you want to use this toolchain, you need to alter some environment variables, so that your tools will be found. The toolchain provides a script to do that, so the only thing you need to do is to source it. Note that if you are not using a "sh" or "bash" shell (check with "echo $SHELL") that you need to start "sh" or "bash" first.

. /usr/local/openmoko/arm/setup-env
  • At least, you should add /usr/local/openmoko/arm/bin to your $PATH variable, otherwise the next steps won't work (om-conf and make).
export PATH=$PATH:/usr/local/openmoko/arm/bin 

Note: This is will only last for your current session. Add it to your shell startup scripts to make it permenant (~/.bashrc for instance).

Установка новых библиотек

Openmoko toolchain didn't include many libraries in default. However, it can download and install library what has already existed in Openmoko repository. (It refer to Testing Repository by default.)

  • You need to alter some environment variables before you download libraries.
 . /usr/local/openmoko/arm/environment-setup
  • First, update the opkg database (Notice, you should use alias opkg-target but not opkg)
opkg-target update
  • Second, select a package what you want. Let's use edje as an example. If you want develop an project which use edje of Enlightenment, you can use opkg-target list to print out how many packages you can have. Of course, command grep will help you a lot.(Remember, you should install -dev package but not only libedje.)
opkg-target list |grep edje-dev
  • Third, install it
opkg-target install libedje-dev
  • Fourth, have a cup of coffee and wait.

Сздаем пробный проект

In a chosen destination directory (in this example ~/):

  • copy the downloaded sample application source:
cp -r /usr/local/openmoko/source/openmoko-sample2 ~/
  • Remember to set the proper environment variables (again with "sh" or "bash") for openmoko:
. /usr/local/openmoko/arm/setup-env
  • You need to create a build configuration for this application. This also checks if all needed libraries, tools, etc.. is available on your system. If this fails see the notes about the needed packages in the section "Prerequisites" mentioned earlier.
om-conf openmoko-sample2
  • Optionally now you can modify the source code in openmoko-sample2/src. Before the next step, go into the sample directory.
cd openmoko-sample2
  • If you are using an older version of the toolchain, you may have to create the makefile by running "./autogen.sh". Otherwise, to build the application from the source code just type:
make
  • If there are errors (i.e. "You need to install gnome-common from the GNOME CVS") deal with them. Also see "Troubleshooting" section at the end of this page for known issues.


If you want to install this project on host for staging usage later, a shared library, for example, you can do the following to install it into a given configured prefix.

om-conf --prefix=/usr/local/openmoko openmoko-sample2
cd openmoko-sample2
make install

How to create your own project from the sample project

In order to build your own project by using openmoko-sample2 files, some changes are needed:

  • copy the downloaded sample application source
cp -r /usr/local/openmoko/source/openmoko-sample2 ~/

  • rename the folder with the name of your project (in this example your-project-name) and delete old sample files
mv openmoko-sample2 your-project-name
cd your-project-name
cd src
rm *.c
  • copy your sources (in this example your-sources) into src/
cp your-sources .
cd ..
  • now in the main folder modify autogen.sh by updating the following lines
PKG_NAME="your-project-name"
  • modify configure.ac by updating the following lines ('main.c' should be the main file in your project)
AC_INIT(your-project-name, 0.0.1, http://www.openmoko.org/)    
AC_CONFIG_SRCDIR(src/main.c)
  • go into data/ folder and rename these files with the name of your project
cd data
mv openmoko-sample.png your-project-name.png
mv openmoko-sample.desktop your-project-name.desktop
  • modify Makefile.am inside data/ by updating the following lines
dist_desktop_DATA = your-project-name.desktop
dist_appicon_DATA = your-project-name.png
  • modify Makefile.in inside data/ by updating the following lines
dist_desktop_DATA = your-project-name.desktop
dist_appicon_DATA = your-project-name.png
  • modify your-project-name.desktop by updating the following lines
Name=your-project-name
Encoding=UTF-8
Version=0.0.1
Type=Application
Exec=your-project-name
  • and by adding the following line
Icon=your-project-name
  • move into src/ folder
cd ..
cd src
  • modify Makefile.am by updating the following lines
bin_PROGRAMS = your-project-name	
your_project_name_SOURCES = \				
 		main.c 
your_project_name_LDADD  = @DEPENDENCIES_LIBS@
  • be sure to put instead of main.c all your .c and .h files and modify all the '-' characters with '_' in the variable names

Packaging your application

We have included a script to make an ipkg out of your application. Note that this is not needed to test your application on the Neo (for that you can just scp the resulting binary and data over), however it's very handy if you want to distribute your application to others.

om-make-ipkg openmoko-sample2

Now you got openmoko-sample2_0.1_armv4t.ipk , you can `scp' it to your Neo and install it:

scp openmoko-sample2_0.1_armv4t.ipk root@192.168.0.202:
ssh root@192.168.0.202 opkg install openmoko-sample2_0.1_armv4t.ipk

Note that while you can redistribute the generated ipkg, be aware that this is a bare-bones ipk that contains no further information, i.e. you will lack library dependencies. See below how to fix this.

You can also supply the version number, a description, and an author / contacts string in a control file:

om-make-ipkg myapp myapp_control

A template of myapp_control:

Package: $appname
Version: 0.1
Description: package built by openmoko toolchain
Section: openmoko/applications
Priority: optional
Maintainer: $USER
Architecture: armv4t
Homepage: http://www.openmoko.org/
Depends: 
Source: ${SRC}

Where to go from here

Using the external toolchain is an easy way to build applications for your Neo. If you are familiar with this procedure, you might also want to look into

Advanced topics

Building Openmoko Kernel from git repo using Toolchain

git clone git://git.openmoko.org/git/kernel.git linux-2.6
cd linux-2.6
git checkout -b mystable origin/stable
cp defconfig-gta02 .config
./build

Will fail with error message "arm-angstrom-linux-gnueabi-ld: unrecognized option '-Wl,-rpath-link,/usr/local/openmoko/arm/arm-angstrom-linux-gnueabi/lib'" until /usr/local/openmoko/arm/setup-env is modified. LDFLAGS should be changed from:

export LDFLAGS="-L${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -Wl,-rpath-link,${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -Wl,-O1"

to:

export LDFLAGS="-L${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -rpath-link ${OMTOOL_DIR}/arm/arm-angstrom-linux-gnueabi/lib -O1"

I also had to change the 'build' script to hardcode the path to the compiler.

Using toolchain provided libraries

Add the necessary libraries to the _LDADD field in src/Makefile.am, for example:

openmoko_sample2_LDADD  = @DEPENDENCIES_LIBS@ -lmokogsmd2

make sure to run om-conf again after this.

Installing additional libraries into the toolchain

Sooner or later you will want to compile an application that has dependencies which can't be fulfilled by the precompiled toolchain, e.g. some obscure libraries.

In that case, feel free to request the inclusion of additional libraries into the next release of the Openmoko toolchain. Until then, here is how you enhance your already installed toolchain. Say, we want to add the library called liburiparse:

cd ~/source
wget http://downloads.sourceforge.net/uriparser/uriparser-0.6.0.tar.bz2
tar xjf uriparser-0.6.0.tar.bz2
cd uriparser-0.6.0
./configure --host=arm-angstrom-linux-gnueabi \
--prefix=/usr/local/openmoko/arm/arm-angstrom-linux-gnueabi/usr
make
make install

That's it.

Getting your application packaged by OE

If you have written a cool application which you want to share with others, the best way to do that is to

  1. upload your application source code to a public location
  2. submit a BitBake recipe to OpenEmbedded, preferably via the OpenEmbedded bugtracker.

See also Customizing the Openmoko Distribution.

Troubleshooting

  • Some Versions of the Toolchain have corrupt .la files. If you compile an application using the Toolchain and you receive a '/space/fic/openmoko-daily/neo1973/work/armv4t-angstrom-linux-gnueabi/pango-1.18.3-r0/pango-1.18.3/pango/libpangoft2-1.0.la' error, you are affected. To fix that you should go to your "/usr/local/openmoko/arm/arm-angstrom-linux-gnueabi/usr/lib" directory and open the affected .la files and change "/space/fic..." to "/usr/local/openmoko/arm/arm-angstrom-linux-gnueabi/usr/lib". You have to fix more than one .la file. For the pango error you have to change "libpangocairo-1.0.la", but there are more corrupt .la files.

Attached is a beta fix for the .la problem. Untar the .tar.bz2 as root, and execute the following bash script as root:

       #!/bin/sh
       DIR=/usr/local/openmoko/arm
       for la in `find $DIR -iname \*.la`; do
        dependency_libs=
        . $la
        for lib in $dependency_libs ; do
        delib=`echo $lib | grep -E .la$`
        if [ -z $delib ] ; then
         echo -n
        elif [ -f $delib ]; then
         echo -n
        else
         basedelib=`basename $delib`
         replacedelibs=`find $DIR -iname $basedelib`
         found=0
         for replacedelib in $replacedelibs ; do
         if [ $replacedelib == $delib ]; then
          found=1
         fi
         done
         if [ $found -gt 0 ] ; then
          echo -n
         else
           sed_delib=`echo $delib | sed 's/\//\\\\\//g'`
           sed_replacedelib=`echo $replacedelib | sed 's/\//\\\\\//g'`
           # A bit slow, we could chain expressions for speed. :)
           cp $la $la.old
           cat $la | sed "s/$sed_delib/$sed_replacedelib/g" > $la.new
           mv $la.new $la
           rm $la.old
         fi
        fi
        done
       done